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Andy CA6JAU 2017-02-01 01:33:31 -03:00
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/*
* Copyright (C) 2016 by Jim McLaughlin KI6ZUM
* Copyright (C) 2016, 2017 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#if defined(ADF7021)
#include "Globals.h"
#include "IO.h"
#include "ADF7021.h"
#include <math.h>
volatile uint32_t AD7021_control_byte;
volatile int AD7021_counter;
void dlybit(void)
{
volatile unsigned int delay;
for(delay = 0;delay<5;delay++);
}
void Send_AD7021_control()
{
for(AD7021_counter = 31; AD7021_counter >= 0; AD7021_counter--) {
if(bitRead(AD7021_control_byte, AD7021_counter) == HIGH)
io.SDATA_pin(HIGH);
else
io.SDATA_pin(LOW);
io.SCLK_pin(HIGH);
dlybit();
io.SCLK_pin(LOW);
dlybit();
}
io.SLE_pin(HIGH);
dlybit();
io.SLE_pin(LOW);
io.SDATA_pin(LOW);
}
void Send_REG0_RX()
{
uint32_t ADF7021_RX_REG0;
float divider;
uint8_t N_divider;
uint16_t F_divider;
divider = (m_frequency_rx - 100000) / (ADF7021_PFD / 2.0);
N_divider = floor(divider);
divider = (divider - N_divider) * 32768;
F_divider = floor(divider + 0.5);
ADF7021_RX_REG0 = (uint32_t)0b0000;
ADF7021_RX_REG0 |= (uint32_t)0b01011 << 27; // mux regulator/uart enabled/receive
ADF7021_RX_REG0 |= (uint32_t)N_divider << 19; //frequency;
ADF7021_RX_REG0 |= (uint32_t)F_divider << 4; //frequency;
AD7021_control_byte = ADF7021_RX_REG0;
Send_AD7021_control();
}
void Send_REG0_TX()
{
uint32_t ADF7021_TX_REG0;
float divider;
uint8_t N_divider;
uint16_t F_divider;
divider = m_frequency_tx / (ADF7021_PFD / 2.0);
N_divider = floor(divider);
divider = (divider - N_divider) * 32768;
F_divider = floor(divider + 0.5);
ADF7021_TX_REG0 = (uint32_t)0b0000; // register 0
ADF7021_TX_REG0 |= (uint32_t)0b01010 << 27; // mux regulator/uart enabled/transmit
ADF7021_TX_REG0 |= (uint32_t)N_divider << 19; //frequency;
ADF7021_TX_REG0 |= (uint32_t)F_divider << 4; //frequency;
AD7021_control_byte = ADF7021_TX_REG0;
Send_AD7021_control();
}
void CIO::ifConf()
{
uint32_t ADF7021_REG2 = 0;
uint32_t ADF7021_REG3 = 0;
uint32_t ADF7021_REG4 = 0;
uint32_t ADF7021_REG13 = 0;
if (m_dstarEnable) {
// Dev: 1200 Hz, symb rate = 4800
ADF7021_REG3 = 0x2A4C4193;
ADF7021_REG4 = 0x00A82A94;
ADF7021_REG13 = 0x0000000D;
ADF7021_REG2 = (uint32_t)0b00 << 28; // clock normal
ADF7021_REG2 |= (uint32_t)0b000101010 << 19; // deviation
ADF7021_REG2 |= (uint32_t)0b001 << 4; // modulation (GMSK)
}
else if (m_dmrEnable) {
// Dev: +1 symb 648 Hz, symb rate = 4800
ADF7021_REG3 = 0x2A4C80D3;
// K=32
ADF7021_REG4 = (uint32_t)0b0100 << 0; // register 4
ADF7021_REG4 |= (uint32_t)0b011 << 4; // mode, 4FSK
ADF7021_REG4 |= (uint32_t)0b0 << 7;
ADF7021_REG4 |= (uint32_t)0b11 << 8;
ADF7021_REG4 |= (uint32_t)393U << 10; // Disc BW
ADF7021_REG4 |= (uint32_t)65U << 20; // Post dem BW
ADF7021_REG4 |= (uint32_t)0b10 << 30; // IF filter
ADF7021_REG13 = 0x0000033D;
ADF7021_REG2 = (uint32_t)0b10 << 28; // invert data
ADF7021_REG2 |= (uint32_t)24U << 19; // deviation
ADF7021_REG2 |= (uint32_t)0b111 << 4; // modulation (4FSK)
}
else if (m_ysfEnable) {
// Dev: +1 symb 900 Hz, symb rate = 4800
ADF7021_REG3 = 0x2A4C80D3;
// K=28
ADF7021_REG4 = (uint32_t)0b0100 << 0; // register 4
ADF7021_REG4 |= (uint32_t)0b011 << 4; // mode, 4FSK
ADF7021_REG4 |= (uint32_t)0b0 << 7;
ADF7021_REG4 |= (uint32_t)0b11 << 8;
ADF7021_REG4 |= (uint32_t)344U << 10; // Disc BW
ADF7021_REG4 |= (uint32_t)65U << 20; // Post dem BW
ADF7021_REG4 |= (uint32_t)0b10 << 30; // IF filter
ADF7021_REG13 = 0x000003BD;
ADF7021_REG2 = (uint32_t)0b10 << 28; // invert data
ADF7021_REG2 |= (uint32_t)32U << 19; // deviation
ADF7021_REG2 |= (uint32_t)0b111 << 4; // modulation (4FSK)
}
else if (m_p25Enable) {
// Dev: +1 symb 600 Hz, symb rate = 4800
ADF7021_REG3 = 0x2A4C80D3;
// K=32
ADF7021_REG4 = (uint32_t)0b0100 << 0; // register 4
ADF7021_REG4 |= (uint32_t)0b011 << 4; // mode, 4FSK
ADF7021_REG4 |= (uint32_t)0b0 << 7;
ADF7021_REG4 |= (uint32_t)0b11 << 8;
ADF7021_REG4 |= (uint32_t)393U << 10; // Disc BW
ADF7021_REG4 |= (uint32_t)65U << 20; // Post dem BW
ADF7021_REG4 |= (uint32_t)0b10 << 30; // IF filter
ADF7021_REG13 = 0x000002DD;
ADF7021_REG2 = (uint32_t)0b10 << 28; // invert data
ADF7021_REG2 |= (uint32_t)22U << 19; // deviation
ADF7021_REG2 |= (uint32_t)0b111 << 4; // modulation (4FSK)
}
// VCO/OSCILLATOR (REG1)
if( (m_frequency_tx >= VHF_MIN) && (m_frequency_tx < VHF_MAX) )
AD7021_control_byte = 0x021F5041; // VHF, external VCO
else if( (m_frequency_tx >= UHF_MIN)&&(m_frequency_tx < UHF_MAX) )
AD7021_control_byte = 0x00575041; // UHF, internal VCO
Send_AD7021_control();
// TX/RX CLOCK (3)
AD7021_control_byte = ADF7021_REG3;
Send_AD7021_control();
// DEMOD (4)
AD7021_control_byte = ADF7021_REG4;
Send_AD7021_control();
// IF FILTER (5)
AD7021_control_byte = 0x000024F5;
Send_AD7021_control();
// MODULATION (2)
ADF7021_REG2 |= (uint32_t)0b0010; // register 2
ADF7021_REG2 |= (uint32_t)m_power << 13; // power level
ADF7021_REG2 |= (uint32_t)0b110001 << 7; // PA
AD7021_control_byte = ADF7021_REG2;
Send_AD7021_control();
// TEST MODE (disabled) (15)
AD7021_control_byte = 0x000E000F;
Send_AD7021_control();
// IF FINE CAL (fine cal, defaults) (6)
AD7021_control_byte = 0x05080B16;
Send_AD7021_control();
// AGC (auto, defaults) (9)
AD7021_control_byte = 0x000231E9; // auto
Send_AD7021_control();
// AFC (off, defaults) (10)
AD7021_control_byte = 0x3296472A; // off
Send_AD7021_control();
// SYNC WORD DET (11)
AD7021_control_byte = 0x0000003B;
Send_AD7021_control();
// SWD/THRESHOLD (12)
AD7021_control_byte = 0x0000010C;
Send_AD7021_control();
// 3FSK/4FSK DEMOD (13)
AD7021_control_byte = ADF7021_REG13;
Send_AD7021_control();
}
//======================================================================================================================
void CIO::setTX()
{
PTT_pin(HIGH);
LED_pin(LOW);
Send_REG0_TX();
}
//======================================================================================================================
void CIO::setRX()
{
PTT_pin(LOW);
LED_pin(HIGH);
delay_rx();
Send_REG0_RX();
}
#endif

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/*
* Copyright (C) 2016 by Jim McLaughlin KI6ZUM
* Copyright (C) 2016, 2017 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(ADF7021_H)
#define ADF7021_H
#include "Config.h"
#if defined(ADF7021)
#define ADF7021_PFD 3686400.0
#define bitRead(value, bit) (((value) >> (bit)) & 0x01)
void dlybit(void);
void Send_AD7021_control(void);
void Send_REG0_RX(void);
void Send_REG0_TX(void);
#endif
#endif

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/*
TX fifo control - Copyright (C) KI6ZUM 2015
Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "BitRB.h"
CBitRB::CBitRB(uint16_t length) :
m_length(length),
m_bits(NULL),
m_head(0U),
m_tail(0U),
m_full(false),
m_overflow(false)
{
m_bits = new uint8_t[length];
}
uint16_t CBitRB::getSpace() const
{
uint16_t n = 0U;
if (m_tail == m_head)
n = m_full ? 0U : m_length;
else if (m_tail < m_head)
n = m_length - m_head + m_tail;
else
n = m_tail - m_head;
if (n > m_length)
n = 0U;
return n;
}
uint16_t CBitRB::getData() const
{
if (m_tail == m_head)
return m_full ? m_length : 0U;
else if (m_tail < m_head)
return m_head - m_tail;
else
return m_length - m_tail + m_head;
}
bool CBitRB::put(uint8_t bit)
{
if (m_full) {
m_overflow = true;
return false;
}
m_bits[m_head] = bit;
m_head++;
if (m_head >= m_length)
m_head = 0U;
if (m_head == m_tail)
m_full = true;
return true;
}
bool CBitRB::get(uint8_t& bit)
{
if (m_head == m_tail && !m_full)
return false;
bit = m_bits[m_tail];
m_full = false;
m_tail++;
if (m_tail >= m_length)
m_tail = 0U;
return true;
}
bool CBitRB::hasOverflowed()
{
bool overflow = m_overflow;
m_overflow = false;
return overflow;
}

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/*
Serial fifo control - Copyright (C) KI6ZUM 2015
Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#if !defined(BITRB_H)
#define BITRB_H
#if defined(STM32F10X_MD)
#include "stm32f10x.h"
#include <cstddef>
#else
#include <Arduino.h>
#endif
class CBitRB {
public:
CBitRB(uint16_t length);
uint16_t getSpace() const;
uint16_t getData() const;
bool put(uint8_t bit);
bool get(uint8_t& bit);
bool hasOverflowed();
private:
uint16_t m_length;
volatile uint8_t* m_bits;
volatile uint16_t m_head;
volatile uint16_t m_tail;
volatile bool m_full;
bool m_overflow;
};
#endif

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/*
* Copyright (C) 2017 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(CONFIG_H)
#define CONFIG_H
#define ADF7021
//#define STM32_USART1_HOST
#define STM32_USB_HOST
//#define SERIAL_REPEATER
#endif

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/*
* Copyright (C) 2009-2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
#include "DMRDMORX.h"
#include "DMRSlotType.h"
#include "Utils.h"
const uint8_t MAX_SYNC_BYTES_ERRS = 3U;
const uint8_t MAX_SYNC_LOST_FRAMES = 13U;
const uint16_t NOENDPTR = 9999U;
const uint8_t CONTROL_NONE = 0x00U;
const uint8_t CONTROL_VOICE = 0x20U;
const uint8_t CONTROL_DATA = 0x40U;
CDMRDMORX::CDMRDMORX() :
m_patternBuffer(0x00U),
m_dataPtr(0U),
m_syncPtr(0U),
m_startPtr(0U),
m_endPtr(NOENDPTR),
m_control(CONTROL_NONE),
m_syncCount(0U),
m_colorCode(0U),
m_state(DMORXS_NONE),
m_n(0U),
m_type(0U)
{
}
void CDMRDMORX::reset()
{
m_syncPtr = 0U;
m_control = CONTROL_NONE;
m_syncCount = 0U;
m_state = DMORXS_NONE;
m_startPtr = 0U;
m_endPtr = NOENDPTR;
}
void CDMRDMORX::databit(bool bit)
{
m_buffer[m_dataPtr] = bit;
m_patternBuffer <<= 1;
if (bit)
m_patternBuffer |= 0x01U;
if (m_state == DMORXS_NONE) {
correlateSync();
} else {
uint16_t min = m_syncPtr + DMO_BUFFER_LENGTH_BITS - 2;
uint16_t max = m_syncPtr + 2;
if (min >= DMO_BUFFER_LENGTH_BITS)
min -= DMO_BUFFER_LENGTH_BITS;
if (max >= DMO_BUFFER_LENGTH_BITS)
max -= DMO_BUFFER_LENGTH_BITS;
if (min < max) {
if (m_dataPtr >= min && m_dataPtr <= max)
correlateSync();
} else {
if (m_dataPtr >= min || m_dataPtr <= max)
correlateSync();
}
}
if (m_dataPtr == m_endPtr) {
frame[0U] = m_control;
bitsToBytes(m_startPtr, DMR_FRAME_LENGTH_BYTES, frame + 1U);
if (m_control == CONTROL_DATA) {
// Data sync
uint8_t colorCode;
uint8_t dataType;
CDMRSlotType slotType;
slotType.decode(frame + 1U, colorCode, dataType);
if (colorCode == m_colorCode) {
m_syncCount = 0U;
m_n = 0U;
frame[0U] |= dataType;
switch (dataType) {
case DT_DATA_HEADER:
DEBUG2("DMRDMORX: data header found pos", m_syncPtr);
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
m_state = DMORXS_DATA;
m_type = 0x00U;
break;
case DT_RATE_12_DATA:
case DT_RATE_34_DATA:
case DT_RATE_1_DATA:
if (m_state == DMORXS_DATA) {
DEBUG2("DMRDMORX: data payload found pos", m_syncPtr);
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
m_type = dataType;
}
break;
case DT_VOICE_LC_HEADER:
DEBUG2("DMRDMORX: voice header found pos", m_syncPtr);
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
m_state = DMORXS_VOICE;
break;
case DT_VOICE_PI_HEADER:
if (m_state == DMORXS_VOICE) {
DEBUG2("DMRDMORX: voice pi header found pos", m_syncPtr);
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
}
m_state = DMORXS_VOICE;
break;
case DT_TERMINATOR_WITH_LC:
if (m_state == DMORXS_VOICE) {
DEBUG2("DMRDMORX: voice terminator found pos", m_syncPtr);
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
reset();
}
break;
default: // DT_CSBK
DEBUG2("DMRDMORX: csbk found pos", m_syncPtr);
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
reset();
break;
}
}
} else if (m_control == CONTROL_VOICE) {
// Voice sync
DEBUG2("DMRDMORX: voice sync found pos", m_syncPtr);
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
m_state = DMORXS_VOICE;
m_syncCount = 0U;
m_n = 0U;
} else {
if (m_state != DMORXS_NONE) {
m_syncCount++;
if (m_syncCount >= MAX_SYNC_LOST_FRAMES) {
serial.writeDMRLost(true);
reset();
}
}
if (m_state == DMORXS_VOICE) {
if (m_n >= 5U) {
frame[0U] = CONTROL_VOICE;
m_n = 0U;
} else {
frame[0U] = ++m_n;
}
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
} else if (m_state == DMORXS_DATA) {
if (m_type != 0x00U) {
frame[0U] = CONTROL_DATA | m_type;
serial.writeDMRData(true, frame, DMR_FRAME_LENGTH_BYTES + 1U);
}
}
}
// End of this slot, reset some items for the next slot.
m_control = CONTROL_NONE;
}
m_dataPtr++;
if (m_dataPtr >= DMO_BUFFER_LENGTH_BITS)
m_dataPtr = 0U;
io.setDecode(m_state != DMORXS_NONE);
}
void CDMRDMORX::correlateSync()
{
if ( (countBits64((m_patternBuffer & DMR_SYNC_BITS_MASK) ^ DMR_MS_DATA_SYNC_BITS) <= MAX_SYNC_BYTES_ERRS) || \
(countBits64((m_patternBuffer & DMR_SYNC_BITS_MASK) ^ DMR_S2_DATA_SYNC_BITS) <= MAX_SYNC_BYTES_ERRS) ) {
m_control = CONTROL_DATA;
m_syncPtr = m_dataPtr;
m_startPtr = m_dataPtr + DMO_BUFFER_LENGTH_BITS - DMR_SLOT_TYPE_LENGTH_BITS / 2U - DMR_INFO_LENGTH_BITS / 2U - DMR_SYNC_LENGTH_BITS + 1;
if (m_startPtr >= DMO_BUFFER_LENGTH_BITS)
m_startPtr -= DMO_BUFFER_LENGTH_BITS;
m_endPtr = m_dataPtr + DMR_SLOT_TYPE_LENGTH_BITS / 2U + DMR_INFO_LENGTH_BITS / 2U;
if (m_endPtr >= DMO_BUFFER_LENGTH_BITS)
m_endPtr -= DMO_BUFFER_LENGTH_BITS;
//DEBUG4("SYNC MS Data found pos/start/end:", m_dataPtr, m_startPtr, m_endPtr);
} else if ( (countBits64((m_patternBuffer & DMR_SYNC_BITS_MASK) ^ DMR_MS_VOICE_SYNC_BITS) <= MAX_SYNC_BYTES_ERRS) || \
(countBits64((m_patternBuffer & DMR_SYNC_BITS_MASK) ^ DMR_S2_VOICE_SYNC_BITS) <= MAX_SYNC_BYTES_ERRS) ) {
m_control = CONTROL_VOICE;
m_syncPtr = m_dataPtr;
m_startPtr = m_dataPtr + DMO_BUFFER_LENGTH_BITS - DMR_SLOT_TYPE_LENGTH_BITS / 2U - DMR_INFO_LENGTH_BITS / 2U - DMR_SYNC_LENGTH_BITS + 1;
if (m_startPtr >= DMO_BUFFER_LENGTH_BITS)
m_startPtr -= DMO_BUFFER_LENGTH_BITS;
m_endPtr = m_dataPtr + DMR_SLOT_TYPE_LENGTH_BITS / 2U + DMR_INFO_LENGTH_BITS / 2U;
if (m_endPtr >= DMO_BUFFER_LENGTH_BITS)
m_endPtr -= DMO_BUFFER_LENGTH_BITS;
//DEBUG4("SYNC MS Voice found pos/start/end: ", m_dataPtr, m_startPtr, m_endPtr);
}
}
void CDMRDMORX::bitsToBytes(uint16_t start, uint8_t count, uint8_t* buffer)
{
for (uint8_t i = 0U; i < count; i++) {
buffer[i] = 0U;
buffer[i] |= ((m_buffer[start + 0U] & 0x01) << 7);
buffer[i] |= ((m_buffer[start + 1U] & 0x01) << 6);
buffer[i] |= ((m_buffer[start + 2U] & 0x01) << 5);
buffer[i] |= ((m_buffer[start + 3U] & 0x01) << 4);
buffer[i] |= ((m_buffer[start + 4U] & 0x01) << 3);
buffer[i] |= ((m_buffer[start + 5U] & 0x01) << 2);
buffer[i] |= ((m_buffer[start + 6U] & 0x01) << 1);
buffer[i] |= ((m_buffer[start + 7U] & 0x01) << 0);
start += 8U;
if (start >= DMO_BUFFER_LENGTH_BITS)
start -= DMO_BUFFER_LENGTH_BITS;
}
}
void CDMRDMORX::setColorCode(uint8_t colorCode)
{
m_colorCode = colorCode;
}

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(DMRDMORX_H)
#define DMRDMORX_H
#include "DMRDefines.h"
const uint16_t DMO_BUFFER_LENGTH_BITS = 576U;
enum DMORX_STATE {
DMORXS_NONE,
DMORXS_VOICE,
DMORXS_DATA
};
class CDMRDMORX {
public:
CDMRDMORX();
void databit(bool bit);
void setColorCode(uint8_t colorCode);
void reset();
private:
uint64_t m_patternBuffer;
uint8_t m_buffer[DMO_BUFFER_LENGTH_BITS];
uint8_t frame[DMR_FRAME_LENGTH_BYTES + 3U];
uint16_t m_dataPtr;
uint16_t m_syncPtr;
uint16_t m_startPtr;
uint16_t m_endPtr;
uint8_t m_control;
uint8_t m_syncCount;
uint8_t m_colorCode;
DMORX_STATE m_state;
uint8_t m_n;
uint8_t m_type;
void correlateSync();
void bitsToBytes(uint16_t start, uint8_t count, uint8_t* buffer);
};
#endif

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/*
* Copyright (C) 2009-2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016 by Colin Durbridge G4EML
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// #define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
CDMRDMOTX::CDMRDMOTX() :
m_fifo(),
m_poBuffer(),
m_poLen(0U),
m_poPtr(0U),
m_txDelay(240U), // 200ms
m_count(0U)
{
}
void CDMRDMOTX::process()
{
if (m_poLen == 0U && m_fifo.getData() > 0U) {
if (!m_tx) {
m_delay = true;
m_poLen = m_txDelay;
} else {
m_delay = false;
for (unsigned int i = 0U; i < 72U; i++)
m_poBuffer[m_poLen++] = 0x00U;
for (unsigned int i = 0U; i < DMR_FRAME_LENGTH_BYTES; i++)
m_poBuffer[i] = m_fifo.get();
}
m_poPtr = 0U;
}
if (m_poLen > 0U) {
uint16_t space = io.getSpace();
while (space > 8U) {
if (m_delay) {
m_poPtr++;
writeByte(0U);
} else
writeByte(m_poBuffer[m_poPtr++]);
space -= 8U;
if (m_poPtr >= m_poLen) {
m_poPtr = 0U;
m_poLen = 0U;
m_delay = false;
return;
}
}
}
}
uint8_t CDMRDMOTX::writeData(const uint8_t* data, uint8_t length)
{
if (length != (DMR_FRAME_LENGTH_BYTES + 1U))
return 4U;
uint16_t space = m_fifo.getSpace();
if (space < DMR_FRAME_LENGTH_BYTES)
return 5U;
for (uint8_t i = 0U; i < DMR_FRAME_LENGTH_BYTES; i++)
m_fifo.put(data[i + 1U]);
return 0U;
}
void CDMRDMOTX::writeByte(uint8_t c)
{
uint8_t bit;
uint8_t mask = 0x80U;
for (uint8_t i = 0U; i < 8U; i++, c <<= 1) {
if ((c & mask) == mask)
bit = 1U;
else
bit = 0U;
io.write(&bit, 1);
}
}
uint16_t CDMRDMOTX::getSpace() const
{
return m_fifo.getSpace() / (DMR_FRAME_LENGTH_BYTES + 2U);
}
void CDMRDMOTX::setTXDelay(uint8_t delay)
{
m_txDelay = 600U + uint16_t(delay) * 12U; // 500ms + tx delay
}

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016 by Colin Durbridge G4EML
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(DMRDMOTX_H)
#define DMRDMOTX_H
#include "DMRDefines.h"
#include "SerialRB.h"
class CDMRDMOTX {
public:
CDMRDMOTX();
uint8_t writeData(const uint8_t* data, uint8_t length);
void process();
void setTXDelay(uint8_t delay);
uint16_t getSpace() const;
private:
CSerialRB m_fifo;
uint8_t m_poBuffer[80U];
uint16_t m_poLen;
uint16_t m_poPtr;
uint16_t m_txDelay;
uint32_t m_count;
bool m_delay;
void writeByte(uint8_t c);
};
#endif

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/*
* Copyright (C) 2009-2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(DMRDEFINES_H)
#define DMRDEFINES_H
const unsigned int DMR_FRAME_LENGTH_BYTES = 33U;
const unsigned int DMR_FRAME_LENGTH_BITS = DMR_FRAME_LENGTH_BYTES * 8U;
const unsigned int DMR_FRAME_LENGTH_SYMBOLS = DMR_FRAME_LENGTH_BYTES * 4U;
const unsigned int DMR_SYNC_LENGTH_BYTES = 6U;
const unsigned int DMR_SYNC_LENGTH_BITS = DMR_SYNC_LENGTH_BYTES * 8U;
const unsigned int DMR_SYNC_LENGTH_SYMBOLS = DMR_SYNC_LENGTH_BYTES * 4U;
const unsigned int DMR_EMB_LENGTH_BITS = 16U;
const unsigned int DMR_EMB_LENGTH_SYMBOLS = 8U;
const unsigned int DMR_EMBSIG_LENGTH_BITS = 32U;
const unsigned int DMR_EMBSIG_LENGTH_SYMBOLS = 16U;
const unsigned int DMR_SLOT_TYPE_LENGTH_BITS = 20U;
const unsigned int DMR_SLOT_TYPE_LENGTH_SYMBOLS = 10U;
const unsigned int DMR_INFO_LENGTH_BITS = 196U;
const unsigned int DMR_INFO_LENGTH_SYMBOLS = 98U;
const unsigned int DMR_AUDIO_LENGTH_BITS = 216U;
const unsigned int DMR_AUDIO_LENGTH_SYMBOLS = 108U;
const unsigned int DMR_CACH_LENGTH_BYTES = 3U;
const unsigned int DMR_CACH_LENGTH_BITS = DMR_CACH_LENGTH_BYTES * 8U;
const unsigned int DMR_CACH_LENGTH_SYMBOLS = DMR_CACH_LENGTH_BYTES * 4U;
const uint8_t DMR_SYNC_BYTES_LENGTH = 7U;
const uint8_t DMR_MS_DATA_SYNC_BYTES[] = {0x0DU, 0x5DU, 0x7FU, 0x77U, 0xFDU, 0x75U, 0x70U};
const uint8_t DMR_MS_VOICE_SYNC_BYTES[] = {0x07U, 0xF7U, 0xD5U, 0xDDU, 0x57U, 0xDFU, 0xD0U};
const uint8_t DMR_BS_DATA_SYNC_BYTES[] = {0x0DU, 0xFFU, 0x57U, 0xD7U, 0x5DU, 0xF5U, 0xD0U};
const uint8_t DMR_BS_VOICE_SYNC_BYTES[] = {0x07U, 0x55U, 0xFDU, 0x7DU, 0xF7U, 0x5FU, 0x70U};
const uint8_t DMR_S1_DATA_SYNC_BYTES[] = {0x0FU, 0x7FU, 0xDDU, 0x5DU, 0xDFU, 0xD5U, 0x50U};
const uint8_t DMR_S1_VOICE_SYNC_BYTES[] = {0x05U, 0xD5U, 0x77U, 0xF7U, 0x75U, 0x7FU, 0xF0U};
const uint8_t DMR_S2_DATA_SYNC_BYTES[] = {0x0DU, 0x75U, 0x57U, 0xF5U, 0xFFU, 0x7FU, 0x50U};
const uint8_t DMR_S2_VOICE_SYNC_BYTES[] = {0x07U, 0xDFU, 0xFDU, 0x5FU, 0x55U, 0xD5U, 0xF0U};
const uint8_t DMR_SYNC_BYTES_MASK[] = {0x0FU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xFFU, 0xF0U};
const uint64_t DMR_MS_DATA_SYNC_BITS = 0x0000D5D7F77FD757U;
const uint64_t DMR_MS_VOICE_SYNC_BITS = 0x00007F7D5DD57DFDU;
const uint64_t DMR_BS_DATA_SYNC_BITS = 0x0000DFF57D75DF5DU;
const uint64_t DMR_BS_VOICE_SYNC_BITS = 0x0000755FD7DF75F7U;
const uint64_t DMR_S1_DATA_SYNC_BITS = 0x0000F7FDD5DDFD55U;
const uint64_t DMR_S1_VOICE_SYNC_BITS = 0x00005D577F7757FFU;
const uint64_t DMR_S2_DATA_SYNC_BITS = 0x0000D7557F5FF7F5U;
const uint64_t DMR_S2_VOICE_SYNC_BITS = 0x00007DFFD5F55D5FU;
const uint64_t DMR_SYNC_BITS_MASK = 0x0000FFFFFFFFFFFFU;
const uint32_t DMR_MS_DATA_SYNC_SYMBOLS = 0x0076286EU;
const uint32_t DMR_MS_VOICE_SYNC_SYMBOLS = 0x0089D791U;
const uint32_t DMR_BS_DATA_SYNC_SYMBOLS = 0x00439B4DU;
const uint32_t DMR_BS_VOICE_SYNC_SYMBOLS = 0x00BC64B2U;
const uint32_t DMR_S1_DATA_SYNC_SYMBOLS = 0x0021751FU;
const uint32_t DMR_S1_VOICE_SYNC_SYMBOLS = 0x00DE8AE0U;
const uint32_t DMR_S2_DATA_SYNC_SYMBOLS = 0x006F8C23U;
const uint32_t DMR_S2_VOICE_SYNC_SYMBOLS = 0x009073DCU;
const uint32_t DMR_SYNC_SYMBOLS_MASK = 0x00FFFFFFU;
const uint8_t DT_VOICE_PI_HEADER = 0U;
const uint8_t DT_VOICE_LC_HEADER = 1U;
const uint8_t DT_TERMINATOR_WITH_LC = 2U;
const uint8_t DT_CSBK = 3U;
const uint8_t DT_DATA_HEADER = 6U;
const uint8_t DT_RATE_12_DATA = 7U;
const uint8_t DT_RATE_34_DATA = 8U;
const uint8_t DT_IDLE = 9U;
const uint8_t DT_RATE_1_DATA = 10U;
#endif

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/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Globals.h"
#include "DMRSlotType.h"
const uint16_t ENCODING_TABLE_2087[] =
{0x0000U, 0xB08EU, 0xE093U, 0x501DU, 0x70A9U, 0xC027U, 0x903AU, 0x20B4U, 0x60DCU, 0xD052U, 0x804FU, 0x30C1U,
0x1075U, 0xA0FBU, 0xF0E6U, 0x4068U, 0x7036U, 0xC0B8U, 0x90A5U, 0x202BU, 0x009FU, 0xB011U, 0xE00CU, 0x5082U,
0x10EAU, 0xA064U, 0xF079U, 0x40F7U, 0x6043U, 0xD0CDU, 0x80D0U, 0x305EU, 0xD06CU, 0x60E2U, 0x30FFU, 0x8071U,
0xA0C5U, 0x104BU, 0x4056U, 0xF0D8U, 0xB0B0U, 0x003EU, 0x5023U, 0xE0ADU, 0xC019U, 0x7097U, 0x208AU, 0x9004U,
0xA05AU, 0x10D4U, 0x40C9U, 0xF047U, 0xD0F3U, 0x607DU, 0x3060U, 0x80EEU, 0xC086U, 0x7008U, 0x2015U, 0x909BU,
0xB02FU, 0x00A1U, 0x50BCU, 0xE032U, 0x90D9U, 0x2057U, 0x704AU, 0xC0C4U, 0xE070U, 0x50FEU, 0x00E3U, 0xB06DU,
0xF005U, 0x408BU, 0x1096U, 0xA018U, 0x80ACU, 0x3022U, 0x603FU, 0xD0B1U, 0xE0EFU, 0x5061U, 0x007CU, 0xB0F2U,
0x9046U, 0x20C8U, 0x70D5U, 0xC05BU, 0x8033U, 0x30BDU, 0x60A0U, 0xD02EU, 0xF09AU, 0x4014U, 0x1009U, 0xA087U,
0x40B5U, 0xF03BU, 0xA026U, 0x10A8U, 0x301CU, 0x8092U, 0xD08FU, 0x6001U, 0x2069U, 0x90E7U, 0xC0FAU, 0x7074U,
0x50C0U, 0xE04EU, 0xB053U, 0x00DDU, 0x3083U, 0x800DU, 0xD010U, 0x609EU, 0x402AU, 0xF0A4U, 0xA0B9U, 0x1037U,
0x505FU, 0xE0D1U, 0xB0CCU, 0x0042U, 0x20F6U, 0x9078U, 0xC065U, 0x70EBU, 0xA03DU, 0x10B3U, 0x40AEU, 0xF020U,
0xD094U, 0x601AU, 0x3007U, 0x8089U, 0xC0E1U, 0x706FU, 0x2072U, 0x90FCU, 0xB048U, 0x00C6U, 0x50DBU, 0xE055U,
0xD00BU, 0x6085U, 0x3098U, 0x8016U, 0xA0A2U, 0x102CU, 0x4031U, 0xF0BFU, 0xB0D7U, 0x0059U, 0x5044U, 0xE0CAU,
0xC07EU, 0x70F0U, 0x20EDU, 0x9063U, 0x7051U, 0xC0DFU, 0x90C2U, 0x204CU, 0x00F8U, 0xB076U, 0xE06BU, 0x50E5U,
0x108DU, 0xA003U, 0xF01EU, 0x4090U, 0x6024U, 0xD0AAU, 0x80B7U, 0x3039U, 0x0067U, 0xB0E9U, 0xE0F4U, 0x507AU,
0x70CEU, 0xC040U, 0x905DU, 0x20D3U, 0x60BBU, 0xD035U, 0x8028U, 0x30A6U, 0x1012U, 0xA09CU, 0xF081U, 0x400FU,
0x30E4U, 0x806AU, 0xD077U, 0x60F9U, 0x404DU, 0xF0C3U, 0xA0DEU, 0x1050U, 0x5038U, 0xE0B6U, 0xB0ABU, 0x0025U,
0x2091U, 0x901FU, 0xC002U, 0x708CU, 0x40D2U, 0xF05CU, 0xA041U, 0x10CFU, 0x307BU, 0x80F5U, 0xD0E8U, 0x6066U,
0x200EU, 0x9080U, 0xC09DU, 0x7013U, 0x50A7U, 0xE029U, 0xB034U, 0x00BAU, 0xE088U, 0x5006U, 0x001BU, 0xB095U,
0x9021U, 0x20AFU, 0x70B2U, 0xC03CU, 0x8054U, 0x30DAU, 0x60C7U, 0xD049U, 0xF0FDU, 0x4073U, 0x106EU, 0xA0E0U,
0x90BEU, 0x2030U, 0x702DU, 0xC0A3U, 0xE017U, 0x5099U, 0x0084U, 0xB00AU, 0xF062U, 0x40ECU, 0x10F1U, 0xA07FU,
0x80CBU, 0x3045U, 0x6058U, 0xD0D6U};
const uint32_t DECODING_TABLE_1987[] =
{0x00000U, 0x00001U, 0x00002U, 0x00003U, 0x00004U, 0x00005U, 0x00006U, 0x00007U, 0x00008U, 0x00009U, 0x0000AU, 0x0000BU, 0x0000CU,
0x0000DU, 0x0000EU, 0x24020U, 0x00010U, 0x00011U, 0x00012U, 0x00013U, 0x00014U, 0x00015U, 0x00016U, 0x00017U, 0x00018U, 0x00019U,
0x0001AU, 0x0001BU, 0x0001CU, 0x0001DU, 0x48040U, 0x01480U, 0x00020U, 0x00021U, 0x00022U, 0x00023U, 0x00024U, 0x00025U, 0x00026U,
0x24008U, 0x00028U, 0x00029U, 0x0002AU, 0x24004U, 0x0002CU, 0x24002U, 0x24001U, 0x24000U, 0x00030U, 0x00031U, 0x00032U, 0x08180U,
0x00034U, 0x00C40U, 0x00036U, 0x00C42U, 0x00038U, 0x43000U, 0x0003AU, 0x43002U, 0x02902U, 0x24012U, 0x02900U, 0x24010U, 0x00040U,
0x00041U, 0x00042U, 0x00043U, 0x00044U, 0x00045U, 0x00046U, 0x00047U, 0x00048U, 0x00049U, 0x0004AU, 0x02500U, 0x0004CU, 0x0004DU,
0x48010U, 0x48011U, 0x00050U, 0x00051U, 0x00052U, 0x21200U, 0x00054U, 0x00C20U, 0x48008U, 0x48009U, 0x00058U, 0x00059U, 0x48004U,
0x48005U, 0x48002U, 0x48003U, 0x48000U, 0x48001U, 0x00060U, 0x00061U, 0x00062U, 0x00063U, 0x00064U, 0x00C10U, 0x10300U, 0x0B000U,
0x00068U, 0x00069U, 0x01880U, 0x01881U, 0x40181U, 0x40180U, 0x24041U, 0x24040U, 0x00070U, 0x00C04U, 0x00072U, 0x00C06U, 0x00C01U,
0x00C00U, 0x00C03U, 0x00C02U, 0x05204U, 0x00C0CU, 0x48024U, 0x48025U, 0x05200U, 0x00C08U, 0x48020U, 0x48021U, 0x00080U, 0x00081U,
0x00082U, 0x00083U, 0x00084U, 0x00085U, 0x00086U, 0x00087U, 0x00088U, 0x00089U, 0x0008AU, 0x50200U, 0x0008CU, 0x0A800U, 0x01411U,
0x01410U, 0x00090U, 0x00091U, 0x00092U, 0x08120U, 0x00094U, 0x00095U, 0x04A00U, 0x01408U, 0x00098U, 0x00099U, 0x01405U, 0x01404U,
0x01403U, 0x01402U, 0x01401U, 0x01400U, 0x000A0U, 0x000A1U, 0x000A2U, 0x08110U, 0x000A4U, 0x000A5U, 0x42400U, 0x42401U, 0x000A8U,
0x000A9U, 0x01840U, 0x01841U, 0x40141U, 0x40140U, 0x24081U, 0x24080U, 0x000B0U, 0x08102U, 0x08101U, 0x08100U, 0x000B4U, 0x08106U,
0x08105U, 0x08104U, 0x20A01U, 0x20A00U, 0x08109U, 0x08108U, 0x01423U, 0x01422U, 0x01421U, 0x01420U, 0x000C0U, 0x000C1U, 0x000C2U,
0x000C3U, 0x000C4U, 0x000C5U, 0x000C6U, 0x000C7U, 0x000C8U, 0x000C9U, 0x01820U, 0x01821U, 0x20600U, 0x40120U, 0x16000U, 0x16001U,
0x000D0U, 0x000D1U, 0x42801U, 0x42800U, 0x03100U, 0x18200U, 0x03102U, 0x18202U, 0x000D8U, 0x000D9U, 0x48084U, 0x01444U, 0x48082U,
0x01442U, 0x48080U, 0x01440U, 0x000E0U, 0x32000U, 0x01808U, 0x04600U, 0x40109U, 0x40108U, 0x0180CU, 0x4010AU, 0x01802U, 0x40104U,
0x01800U, 0x01801U, 0x40101U, 0x40100U, 0x01804U, 0x40102U, 0x0A408U, 0x08142U, 0x08141U, 0x08140U, 0x00C81U, 0x00C80U, 0x00C83U,
0x00C82U, 0x0A400U, 0x0A401U, 0x01810U, 0x01811U, 0x40111U, 0x40110U, 0x01814U, 0x40112U, 0x00100U, 0x00101U, 0x00102U, 0x00103U,
0x00104U, 0x00105U, 0x00106U, 0x41800U, 0x00108U, 0x00109U, 0x0010AU, 0x02440U, 0x0010CU, 0x0010DU, 0x0010EU, 0x02444U, 0x00110U,
0x00111U, 0x00112U, 0x080A0U, 0x00114U, 0x00115U, 0x00116U, 0x080A4U, 0x00118U, 0x00119U, 0x15000U, 0x15001U, 0x02822U, 0x02823U,
0x02820U, 0x02821U, 0x00120U, 0x00121U, 0x00122U, 0x08090U, 0x00124U, 0x00125U, 0x10240U, 0x10241U, 0x00128U, 0x00129U, 0x0012AU,
0x24104U, 0x09400U, 0x400C0U, 0x02810U, 0x24100U, 0x00130U, 0x08082U, 0x08081U, 0x08080U, 0x31001U, 0x31000U, 0x02808U, 0x08084U,
0x02806U, 0x0808AU, 0x02804U, 0x08088U, 0x02802U, 0x02803U, 0x02800U, 0x02801U, 0x00140U, 0x00141U, 0x00142U, 0x02408U, 0x00144U,
0x00145U, 0x10220U, 0x10221U, 0x00148U, 0x02402U, 0x02401U, 0x02400U, 0x400A1U, 0x400A0U, 0x02405U, 0x02404U, 0x00150U, 0x00151U,
0x00152U, 0x02418U, 0x03080U, 0x03081U, 0x03082U, 0x03083U, 0x09801U, 0x09800U, 0x02411U, 0x02410U, 0x48102U, 0x09804U, 0x48100U,
0x48101U, 0x00160U, 0x00161U, 0x10204U, 0x10205U, 0x10202U, 0x40088U, 0x10200U, 0x10201U, 0x40085U, 0x40084U, 0x02421U, 0x02420U,
0x40081U, 0x40080U, 0x10208U, 0x40082U, 0x41402U, 0x080C2U, 0x41400U, 0x080C0U, 0x00D01U, 0x00D00U, 0x10210U, 0x10211U, 0x40095U,
0x40094U, 0x02844U, 0x080C8U, 0x40091U, 0x40090U, 0x02840U, 0x02841U, 0x00180U, 0x00181U, 0x00182U, 0x08030U, 0x00184U, 0x14400U,
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0x04090U, 0x00A01U, 0x00A00U, 0x00A03U, 0x00A02U, 0x05404U, 0x00A0CU, 0x28105U, 0x28104U, 0x05400U, 0x00A08U, 0x28101U, 0x28100U,
0x00680U, 0x00681U, 0x04061U, 0x04060U, 0x20048U, 0x20049U, 0x2004AU, 0x04064U, 0x20044U, 0x20045U, 0x50401U, 0x50400U, 0x20040U,
0x20041U, 0x20042U, 0x01210U, 0x68002U, 0x68003U, 0x68000U, 0x68001U, 0x04C02U, 0x0120AU, 0x04C00U, 0x01208U, 0x20054U, 0x01206U,
0x01205U, 0x01204U, 0x20050U, 0x01202U, 0x01201U, 0x01200U, 0x18800U, 0x04042U, 0x04041U, 0x04040U, 0x42202U, 0x04046U, 0x42200U,
0x04044U, 0x20064U, 0x0404AU, 0x04049U, 0x04048U, 0x20060U, 0x12080U, 0x20062U, 0x12082U, 0x18810U, 0x04052U, 0x04051U, 0x04050U,
0x4C009U, 0x4C008U, 0x42210U, 0x04054U, 0x20C01U, 0x20C00U, 0x20C03U, 0x20C02U, 0x4C001U, 0x4C000U, 0x01221U, 0x01220U, 0x2000CU,
0x04022U, 0x04021U, 0x04020U, 0x20008U, 0x20009U, 0x2000AU, 0x04024U, 0x20004U, 0x20005U, 0x20006U, 0x04028U, 0x20000U, 0x20001U,
0x20002U, 0x20003U, 0x2001CU, 0x04032U, 0x04031U, 0x04030U, 0x20018U, 0x18400U, 0x2001AU, 0x18402U, 0x20014U, 0x20015U, 0x20016U,
0x01244U, 0x20010U, 0x20011U, 0x20012U, 0x01240U, 0x04003U, 0x04002U, 0x04001U, 0x04000U, 0x20028U, 0x04006U, 0x04005U, 0x04004U,
0x20024U, 0x0400AU, 0x04009U, 0x04008U, 0x20020U, 0x20021U, 0x20022U, 0x0400CU, 0x04013U, 0x04012U, 0x04011U, 0x04010U, 0x00A81U,
0x00A80U, 0x04015U, 0x04014U, 0x0A200U, 0x11100U, 0x04019U, 0x04018U, 0x20030U, 0x20031U, 0x50800U, 0x50801U, 0x00700U, 0x60020U,
0x10811U, 0x10810U, 0x4400AU, 0x60024U, 0x44008U, 0x44009U, 0x44006U, 0x02242U, 0x44004U, 0x02240U, 0x44002U, 0x44003U, 0x44000U,
0x44001U, 0x0C040U, 0x10802U, 0x10801U, 0x10800U, 0x0C044U, 0x10806U, 0x10805U, 0x10804U, 0x23000U, 0x23001U, 0x10809U, 0x10808U,
0x44012U, 0x44013U, 0x44010U, 0x44011U, 0x60001U, 0x60000U, 0x60003U, 0x60002U, 0x60005U, 0x60004U, 0x10440U, 0x10441U, 0x60009U,
0x60008U, 0x44024U, 0x6000AU, 0x09200U, 0x12100U, 0x44020U, 0x44021U, 0x60011U, 0x60010U, 0x10821U, 0x10820U, 0x07003U, 0x07002U,
0x07001U, 0x07000U, 0x23020U, 0x60018U, 0x28045U, 0x28044U, 0x09210U, 0x28042U, 0x28041U, 0x28040U, 0x0C010U, 0x0C011U, 0x02209U,
0x02208U, 0x10422U, 0x10423U, 0x10420U, 0x10421U, 0x02203U, 0x02202U, 0x02201U, 0x02200U, 0x20180U, 0x20181U, 0x44040U, 0x02204U,
0x0C000U, 0x0C001U, 0x0C002U, 0x10840U, 0x0C004U, 0x0C005U, 0x0C006U, 0x10844U, 0x0C008U, 0x0C009U, 0x02211U, 0x02210U, 0x0C00CU,
0x28022U, 0x28021U, 0x28020U, 0x60041U, 0x60040U, 0x10404U, 0x04180U, 0x10402U, 0x10403U, 0x10400U, 0x10401U, 0x02223U, 0x02222U,
0x02221U, 0x02220U, 0x1040AU, 0x28012U, 0x10408U, 0x28010U, 0x0C020U, 0x0C021U, 0x41200U, 0x41201U, 0x00B01U, 0x00B00U, 0x10410U,
0x28008U, 0x11081U, 0x11080U, 0x28005U, 0x28004U, 0x28003U, 0x28002U, 0x28001U, 0x28000U, 0x52040U, 0x14204U, 0x22405U, 0x22404U,
0x14201U, 0x14200U, 0x22401U, 0x22400U, 0x20144U, 0x20145U, 0x44084U, 0x022C0U, 0x20140U, 0x20141U, 0x44080U, 0x44081U, 0x40A08U,
0x10882U, 0x10881U, 0x10880U, 0x14211U, 0x14210U, 0x1A008U, 0x10884U, 0x40A00U, 0x40A01U, 0x40A02U, 0x01304U, 0x1A002U, 0x01302U,
0x1A000U, 0x01300U, 0x60081U, 0x60080U, 0x04141U, 0x04140U, 0x60085U, 0x60084U, 0x104C0U, 0x04144U, 0x06400U, 0x06401U, 0x30200U,
0x30201U, 0x06404U, 0x40640U, 0x30204U, 0x30205U, 0x08603U, 0x08602U, 0x08601U, 0x08600U, 0x00000U, 0x08606U, 0x08605U, 0x08604U,
0x11041U, 0x11040U, 0x30210U, 0x11042U, 0x11045U, 0x11044U, 0x1A020U, 0x01320U, 0x52000U, 0x52001U, 0x04121U, 0x04120U, 0x20108U,
0x20109U, 0x08A00U, 0x08A01U, 0x20104U, 0x20105U, 0x02281U, 0x02280U, 0x20100U, 0x20101U, 0x20102U, 0x20103U, 0x0C080U, 0x0C081U,
0x0C082U, 0x04130U, 0x0C084U, 0x06808U, 0x08A10U, 0x08A11U, 0x11021U, 0x11020U, 0x11023U, 0x11022U, 0x20110U, 0x06800U, 0x20112U,
0x06802U, 0x04103U, 0x04102U, 0x04101U, 0x04100U, 0x10482U, 0x04106U, 0x10480U, 0x04104U, 0x11011U, 0x11010U, 0x04109U, 0x04108U,
0x20120U, 0x40600U, 0x20122U, 0x40602U, 0x11009U, 0x11008U, 0x22800U, 0x04110U, 0x1100DU, 0x1100CU, 0x22804U, 0x04114U, 0x11001U,
0x11000U, 0x11003U, 0x11002U, 0x11005U, 0x11004U, 0x28081U, 0x28080U};
#define X18 0x00040000 /* vector representation of X^{18} */
#define X11 0x00000800 /* vector representation of X^{11} */
#define MASK8 0xfffff800 /* auxiliary vector for testing */
#define GENPOL 0x00000c75 /* generator polinomial, g(x) */
CDMRSlotType::CDMRSlotType()
{
}
uint32_t CDMRSlotType::getSyndrome1987(uint32_t pattern) const
/*
* Compute the syndrome corresponding to the given pattern, i.e., the
* remainder after dividing the pattern (when considering it as the vector
* representation of a polynomial) by the generator polynomial, GENPOL.
* In the program this pattern has several meanings: (1) pattern = infomation
* bits, when constructing the encoding table; (2) pattern = error pattern,
* when constructing the decoding table; and (3) pattern = received vector, to
* obtain its syndrome in decoding.
*/
{
unsigned int aux = X18;
if (pattern >= X11) {
while (pattern & MASK8) {
while (!(aux & pattern))
aux = aux >> 1;
pattern ^= (aux / X11) * GENPOL;
}
}
return pattern;
}
uint8_t CDMRSlotType::decode2087(const uint8_t* data) const
{
uint32_t code = (data[0U] << 11) + (data[1U] << 3) + (data[2U] >> 5);
uint32_t syndrome = getSyndrome1987(code);
uint32_t error_pattern = DECODING_TABLE_1987[syndrome];
if (error_pattern != 0x00U)
code ^= error_pattern;
return code >> 11;
}
void CDMRSlotType::decode(const uint8_t* frame, uint8_t& colorCode, uint8_t& dataType) const
{
uint8_t slotType[3U];
slotType[0U] = (frame[12U] << 2) & 0xFCU;
slotType[0U] |= (frame[13U] >> 6) & 0x03U;
slotType[1U] = (frame[13U] << 2) & 0xC0U;
slotType[1U] |= (frame[19U] << 2) & 0x3CU;
slotType[1U] |= (frame[20U] >> 6) & 0x03U;
slotType[2U] = (frame[20U] << 2) & 0xF0U;
uint8_t code = decode2087(slotType);
colorCode = (code >> 4) & 0x0FU;
dataType = (code >> 0) & 0x0FU;
}
void CDMRSlotType::encode(uint8_t colorCode, uint8_t dataType, uint8_t* frame) const
{
uint8_t slotType[3U];
slotType[0U] = (colorCode << 4) & 0xF0U;
slotType[0U] |= (dataType << 0) & 0x0FU;
uint16_t cksum = ENCODING_TABLE_2087[slotType[0U]];
slotType[1U] = (cksum >> 0) & 0xFFU;
slotType[2U] = (cksum >> 8) & 0xFFU;
frame[12U] = (frame[12U] & 0xC0U) | ((slotType[0U] >> 2) & 0x3FU);
frame[13U] = (frame[13U] & 0x0FU) | ((slotType[0U] << 6) & 0xC0U) | ((slotType[1U] >> 2) & 0x30U);
frame[19U] = (frame[19U] & 0xF0U) | ((slotType[1U] >> 2) & 0x0FU);
frame[20U] = (frame[20U] & 0x03U) | ((slotType[1U] << 6) & 0xC0U) | ((slotType[2U] >> 2) & 0x3CU);
}

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/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(DMRSLOTTYPE_H)
#define DMRSLOTTYPE_H
class CDMRSlotType {
public:
CDMRSlotType();
void decode(const uint8_t* frame, uint8_t& colorCode, uint8_t& dataType) const;
void encode(uint8_t colorCode, uint8_t dataType, uint8_t* frame) const;
private:
uint8_t decode2087(const uint8_t* data) const;
uint32_t getSyndrome1987(uint32_t pattern) const;
};
#endif

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/*
* Copyright (C) 2009-2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(DSTARDEFINES_H)
#define DSTARDEFINES_H
const unsigned int DSTAR_HEADER_LENGTH_BYTES = 41U;
const unsigned int DSTAR_HEADER_LENGTH_BITS = DSTAR_HEADER_LENGTH_BYTES * 8U;
const unsigned int DSTAR_FEC_SECTION_LENGTH_BYTES = 83U;
const unsigned int DSTAR_FEC_SECTION_LENGTH_BITS = 660U;
const unsigned int DSTAR_DATA_LENGTH_BYTES = 12U;
const unsigned int DSTAR_DATA_LENGTH_BITS = DSTAR_DATA_LENGTH_BYTES * 8U;
const uint8_t DSTAR_EOT_BYTES[] = {0x55, 0x55, 0x55, 0x55, 0xC8, 0x7A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
const unsigned int DSTAR_EOT_LENGTH_BYTES = 6U;
const unsigned int DSTAR_EOT_LENGTH_BITS = DSTAR_EOT_LENGTH_BYTES * 8U;
const uint8_t DSTAR_DATA_SYNC_LENGTH_BYTES = 3U;
const uint8_t DSTAR_DATA_SYNC_LENGTH_BITS = DSTAR_DATA_SYNC_LENGTH_BYTES * 8U;
const uint8_t DSTAR_DATA_SYNC_BYTES[] = {0x9E, 0x8D, 0x32, 0x88, 0x26, 0x1A, 0x3F, 0x61, 0xE8, 0x55, 0x2D, 0x16};
const uint8_t DSTAR_SLOW_DATA_TYPE_TEXT = 0x40U;
const uint8_t DSTAR_SLOW_DATA_TYPE_HEADER = 0x50U;
const uint8_t DSTAR_SCRAMBLER_BYTES[] = {0x70U, 0x4FU, 0x93U};
#endif

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/*
* Copyright (C) 2009-2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
//#define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
#include "DStarRX.h"
#include "Utils.h"
const unsigned int MAX_SYNC_BITS = 50U * DSTAR_DATA_LENGTH_BITS;
const unsigned int SYNC_POS = 21U * DSTAR_DATA_LENGTH_BITS;
const unsigned int SYNC_SCAN_START = SYNC_POS - 3U;
const unsigned int SYNC_SCAN_END = SYNC_POS + 3U;
// D-Star bit order version of 0x55 0x55 0x6E 0x0A
const uint32_t FRAME_SYNC_DATA = 0x00557650U;
const uint32_t FRAME_SYNC_MASK = 0x00FFFFFFU;
const uint8_t FRAME_SYNC_ERRS = 2U;
// D-Star bit order version of 0x55 0x2D 0x16
const uint32_t DATA_SYNC_DATA = 0x00AAB468U;
const uint32_t DATA_SYNC_MASK = 0x00FFFFFFU;
const uint8_t DATA_SYNC_ERRS = 2U;
// D-Star bit order version of 0x55 0x55 0xC8 0x7A
const uint32_t END_SYNC_DATA = 0xAAAA135EU;
const uint32_t END_SYNC_MASK = 0xFFFFFFFFU;
const uint8_t END_SYNC_ERRS = 3U;
const uint8_t BIT_MASK_TABLE0[] = {0x7FU, 0xBFU, 0xDFU, 0xEFU, 0xF7U, 0xFBU, 0xFDU, 0xFEU};
const uint8_t BIT_MASK_TABLE1[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U};
const uint8_t BIT_MASK_TABLE2[] = {0xFEU, 0xFDU, 0xFBU, 0xF7U, 0xEFU, 0xDFU, 0xBFU, 0x7FU};
const uint8_t BIT_MASK_TABLE3[] = {0x01U, 0x02U, 0x04U, 0x08U, 0x10U, 0x20U, 0x40U, 0x80U};
#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE1[(i)&7]) : (p[(i)>>3] & BIT_MASK_TABLE0[(i)&7])
#define READ_BIT1(p,i) (p[(i)>>3] & BIT_MASK_TABLE1[(i)&7])
#define WRITE_BIT2(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE3[(i)&7]) : (p[(i)>>3] & BIT_MASK_TABLE2[(i)&7])
#define READ_BIT2(p,i) (p[(i)>>3] & BIT_MASK_TABLE3[(i)&7])
const uint8_t INTERLEAVE_TABLE_RX[] = {
0x00U, 0x00U, 0x03U, 0x00U, 0x06U, 0x00U, 0x09U, 0x00U, 0x0CU, 0x00U,
0x0FU, 0x00U, 0x12U, 0x00U, 0x15U, 0x00U, 0x18U, 0x00U, 0x1BU, 0x00U,
0x1EU, 0x00U, 0x21U, 0x00U, 0x24U, 0x00U, 0x27U, 0x00U, 0x2AU, 0x00U,
0x2DU, 0x00U, 0x30U, 0x00U, 0x33U, 0x00U, 0x36U, 0x00U, 0x39U, 0x00U,
0x3CU, 0x00U, 0x3FU, 0x00U, 0x42U, 0x00U, 0x45U, 0x00U, 0x48U, 0x00U,
0x4BU, 0x00U, 0x4EU, 0x00U, 0x51U, 0x00U, 0x00U, 0x01U, 0x03U, 0x01U,
0x06U, 0x01U, 0x09U, 0x01U, 0x0CU, 0x01U, 0x0FU, 0x01U, 0x12U, 0x01U,
0x15U, 0x01U, 0x18U, 0x01U, 0x1BU, 0x01U, 0x1EU, 0x01U, 0x21U, 0x01U,
0x24U, 0x01U, 0x27U, 0x01U, 0x2AU, 0x01U, 0x2DU, 0x01U, 0x30U, 0x01U,
0x33U, 0x01U, 0x36U, 0x01U, 0x39U, 0x01U, 0x3CU, 0x01U, 0x3FU, 0x01U,
0x42U, 0x01U, 0x45U, 0x01U, 0x48U, 0x01U, 0x4BU, 0x01U, 0x4EU, 0x01U,
0x51U, 0x01U, 0x00U, 0x02U, 0x03U, 0x02U, 0x06U, 0x02U, 0x09U, 0x02U,
0x0CU, 0x02U, 0x0FU, 0x02U, 0x12U, 0x02U, 0x15U, 0x02U, 0x18U, 0x02U,
0x1BU, 0x02U, 0x1EU, 0x02U, 0x21U, 0x02U, 0x24U, 0x02U, 0x27U, 0x02U,
0x2AU, 0x02U, 0x2DU, 0x02U, 0x30U, 0x02U, 0x33U, 0x02U, 0x36U, 0x02U,
0x39U, 0x02U, 0x3CU, 0x02U, 0x3FU, 0x02U, 0x42U, 0x02U, 0x45U, 0x02U,
0x48U, 0x02U, 0x4BU, 0x02U, 0x4EU, 0x02U, 0x51U, 0x02U, 0x00U, 0x03U,
0x03U, 0x03U, 0x06U, 0x03U, 0x09U, 0x03U, 0x0CU, 0x03U, 0x0FU, 0x03U,
0x12U, 0x03U, 0x15U, 0x03U, 0x18U, 0x03U, 0x1BU, 0x03U, 0x1EU, 0x03U,
0x21U, 0x03U, 0x24U, 0x03U, 0x27U, 0x03U, 0x2AU, 0x03U, 0x2DU, 0x03U,
0x30U, 0x03U, 0x33U, 0x03U, 0x36U, 0x03U, 0x39U, 0x03U, 0x3CU, 0x03U,
0x3FU, 0x03U, 0x42U, 0x03U, 0x45U, 0x03U, 0x48U, 0x03U, 0x4BU, 0x03U,
0x4EU, 0x03U, 0x51U, 0x03U, 0x00U, 0x04U, 0x03U, 0x04U, 0x06U, 0x04U,
0x09U, 0x04U, 0x0CU, 0x04U, 0x0FU, 0x04U, 0x12U, 0x04U, 0x15U, 0x04U,
0x18U, 0x04U, 0x1BU, 0x04U, 0x1EU, 0x04U, 0x21U, 0x04U, 0x24U, 0x04U,
0x27U, 0x04U, 0x2AU, 0x04U, 0x2DU, 0x04U, 0x30U, 0x04U, 0x33U, 0x04U,
0x36U, 0x04U, 0x39U, 0x04U, 0x3CU, 0x04U, 0x3FU, 0x04U, 0x42U, 0x04U,
0x45U, 0x04U, 0x48U, 0x04U, 0x4BU, 0x04U, 0x4EU, 0x04U, 0x51U, 0x04U,
0x00U, 0x05U, 0x03U, 0x05U, 0x06U, 0x05U, 0x09U, 0x05U, 0x0CU, 0x05U,
0x0FU, 0x05U, 0x12U, 0x05U, 0x15U, 0x05U, 0x18U, 0x05U, 0x1BU, 0x05U,
0x1EU, 0x05U, 0x21U, 0x05U, 0x24U, 0x05U, 0x27U, 0x05U, 0x2AU, 0x05U,
0x2DU, 0x05U, 0x30U, 0x05U, 0x33U, 0x05U, 0x36U, 0x05U, 0x39U, 0x05U,
0x3CU, 0x05U, 0x3FU, 0x05U, 0x42U, 0x05U, 0x45U, 0x05U, 0x48U, 0x05U,
0x4BU, 0x05U, 0x4EU, 0x05U, 0x51U, 0x05U, 0x00U, 0x06U, 0x03U, 0x06U,
0x06U, 0x06U, 0x09U, 0x06U, 0x0CU, 0x06U, 0x0FU, 0x06U, 0x12U, 0x06U,
0x15U, 0x06U, 0x18U, 0x06U, 0x1BU, 0x06U, 0x1EU, 0x06U, 0x21U, 0x06U,
0x24U, 0x06U, 0x27U, 0x06U, 0x2AU, 0x06U, 0x2DU, 0x06U, 0x30U, 0x06U,
0x33U, 0x06U, 0x36U, 0x06U, 0x39U, 0x06U, 0x3CU, 0x06U, 0x3FU, 0x06U,
0x42U, 0x06U, 0x45U, 0x06U, 0x48U, 0x06U, 0x4BU, 0x06U, 0x4EU, 0x06U,
0x51U, 0x06U, 0x00U, 0x07U, 0x03U, 0x07U, 0x06U, 0x07U, 0x09U, 0x07U,
0x0CU, 0x07U, 0x0FU, 0x07U, 0x12U, 0x07U, 0x15U, 0x07U, 0x18U, 0x07U,
0x1BU, 0x07U, 0x1EU, 0x07U, 0x21U, 0x07U, 0x24U, 0x07U, 0x27U, 0x07U,
0x2AU, 0x07U, 0x2DU, 0x07U, 0x30U, 0x07U, 0x33U, 0x07U, 0x36U, 0x07U,
0x39U, 0x07U, 0x3CU, 0x07U, 0x3FU, 0x07U, 0x42U, 0x07U, 0x45U, 0x07U,
0x48U, 0x07U, 0x4BU, 0x07U, 0x4EU, 0x07U, 0x51U, 0x07U, 0x01U, 0x00U,
0x04U, 0x00U, 0x07U, 0x00U, 0x0AU, 0x00U, 0x0DU, 0x00U, 0x10U, 0x00U,
0x13U, 0x00U, 0x16U, 0x00U, 0x19U, 0x00U, 0x1CU, 0x00U, 0x1FU, 0x00U,
0x22U, 0x00U, 0x25U, 0x00U, 0x28U, 0x00U, 0x2BU, 0x00U, 0x2EU, 0x00U,
0x31U, 0x00U, 0x34U, 0x00U, 0x37U, 0x00U, 0x3AU, 0x00U, 0x3DU, 0x00U,
0x40U, 0x00U, 0x43U, 0x00U, 0x46U, 0x00U, 0x49U, 0x00U, 0x4CU, 0x00U,
0x4FU, 0x00U, 0x52U, 0x00U, 0x01U, 0x01U, 0x04U, 0x01U, 0x07U, 0x01U,
0x0AU, 0x01U, 0x0DU, 0x01U, 0x10U, 0x01U, 0x13U, 0x01U, 0x16U, 0x01U,
0x19U, 0x01U, 0x1CU, 0x01U, 0x1FU, 0x01U, 0x22U, 0x01U, 0x25U, 0x01U,
0x28U, 0x01U, 0x2BU, 0x01U, 0x2EU, 0x01U, 0x31U, 0x01U, 0x34U, 0x01U,
0x37U, 0x01U, 0x3AU, 0x01U, 0x3DU, 0x01U, 0x40U, 0x01U, 0x43U, 0x01U,
0x46U, 0x01U, 0x49U, 0x01U, 0x4CU, 0x01U, 0x4FU, 0x01U, 0x52U, 0x01U,
0x01U, 0x02U, 0x04U, 0x02U, 0x07U, 0x02U, 0x0AU, 0x02U, 0x0DU, 0x02U,
0x10U, 0x02U, 0x13U, 0x02U, 0x16U, 0x02U, 0x19U, 0x02U, 0x1CU, 0x02U,
0x1FU, 0x02U, 0x22U, 0x02U, 0x25U, 0x02U, 0x28U, 0x02U, 0x2BU, 0x02U,
0x2EU, 0x02U, 0x31U, 0x02U, 0x34U, 0x02U, 0x37U, 0x02U, 0x3AU, 0x02U,
0x3DU, 0x02U, 0x40U, 0x02U, 0x43U, 0x02U, 0x46U, 0x02U, 0x49U, 0x02U,
0x4CU, 0x02U, 0x4FU, 0x02U, 0x52U, 0x02U, 0x01U, 0x03U, 0x04U, 0x03U,
0x07U, 0x03U, 0x0AU, 0x03U, 0x0DU, 0x03U, 0x10U, 0x03U, 0x13U, 0x03U,
0x16U, 0x03U, 0x19U, 0x03U, 0x1CU, 0x03U, 0x1FU, 0x03U, 0x22U, 0x03U,
0x25U, 0x03U, 0x28U, 0x03U, 0x2BU, 0x03U, 0x2EU, 0x03U, 0x31U, 0x03U,
0x34U, 0x03U, 0x37U, 0x03U, 0x3AU, 0x03U, 0x3DU, 0x03U, 0x40U, 0x03U,
0x43U, 0x03U, 0x46U, 0x03U, 0x49U, 0x03U, 0x4CU, 0x03U, 0x4FU, 0x03U,
0x52U, 0x03U, 0x01U, 0x04U, 0x04U, 0x04U, 0x07U, 0x04U, 0x0AU, 0x04U,
0x0DU, 0x04U, 0x10U, 0x04U, 0x13U, 0x04U, 0x16U, 0x04U, 0x19U, 0x04U,
0x1CU, 0x04U, 0x1FU, 0x04U, 0x22U, 0x04U, 0x25U, 0x04U, 0x28U, 0x04U,
0x2BU, 0x04U, 0x2EU, 0x04U, 0x31U, 0x04U, 0x34U, 0x04U, 0x37U, 0x04U,
0x3AU, 0x04U, 0x3DU, 0x04U, 0x40U, 0x04U, 0x43U, 0x04U, 0x46U, 0x04U,
0x49U, 0x04U, 0x4CU, 0x04U, 0x4FU, 0x04U, 0x01U, 0x05U, 0x04U, 0x05U,
0x07U, 0x05U, 0x0AU, 0x05U, 0x0DU, 0x05U, 0x10U, 0x05U, 0x13U, 0x05U,
0x16U, 0x05U, 0x19U, 0x05U, 0x1CU, 0x05U, 0x1FU, 0x05U, 0x22U, 0x05U,
0x25U, 0x05U, 0x28U, 0x05U, 0x2BU, 0x05U, 0x2EU, 0x05U, 0x31U, 0x05U,
0x34U, 0x05U, 0x37U, 0x05U, 0x3AU, 0x05U, 0x3DU, 0x05U, 0x40U, 0x05U,
0x43U, 0x05U, 0x46U, 0x05U, 0x49U, 0x05U, 0x4CU, 0x05U, 0x4FU, 0x05U,
0x01U, 0x06U, 0x04U, 0x06U, 0x07U, 0x06U, 0x0AU, 0x06U, 0x0DU, 0x06U,
0x10U, 0x06U, 0x13U, 0x06U, 0x16U, 0x06U, 0x19U, 0x06U, 0x1CU, 0x06U,
0x1FU, 0x06U, 0x22U, 0x06U, 0x25U, 0x06U, 0x28U, 0x06U, 0x2BU, 0x06U,
0x2EU, 0x06U, 0x31U, 0x06U, 0x34U, 0x06U, 0x37U, 0x06U, 0x3AU, 0x06U,
0x3DU, 0x06U, 0x40U, 0x06U, 0x43U, 0x06U, 0x46U, 0x06U, 0x49U, 0x06U,
0x4CU, 0x06U, 0x4FU, 0x06U, 0x01U, 0x07U, 0x04U, 0x07U, 0x07U, 0x07U,
0x0AU, 0x07U, 0x0DU, 0x07U, 0x10U, 0x07U, 0x13U, 0x07U, 0x16U, 0x07U,
0x19U, 0x07U, 0x1CU, 0x07U, 0x1FU, 0x07U, 0x22U, 0x07U, 0x25U, 0x07U,
0x28U, 0x07U, 0x2BU, 0x07U, 0x2EU, 0x07U, 0x31U, 0x07U, 0x34U, 0x07U,
0x37U, 0x07U, 0x3AU, 0x07U, 0x3DU, 0x07U, 0x40U, 0x07U, 0x43U, 0x07U,
0x46U, 0x07U, 0x49U, 0x07U, 0x4CU, 0x07U, 0x4FU, 0x07U, 0x02U, 0x00U,
0x05U, 0x00U, 0x08U, 0x00U, 0x0BU, 0x00U, 0x0EU, 0x00U, 0x11U, 0x00U,
0x14U, 0x00U, 0x17U, 0x00U, 0x1AU, 0x00U, 0x1DU, 0x00U, 0x20U, 0x00U,
0x23U, 0x00U, 0x26U, 0x00U, 0x29U, 0x00U, 0x2CU, 0x00U, 0x2FU, 0x00U,
0x32U, 0x00U, 0x35U, 0x00U, 0x38U, 0x00U, 0x3BU, 0x00U, 0x3EU, 0x00U,
0x41U, 0x00U, 0x44U, 0x00U, 0x47U, 0x00U, 0x4AU, 0x00U, 0x4DU, 0x00U,
0x50U, 0x00U, 0x02U, 0x01U, 0x05U, 0x01U, 0x08U, 0x01U, 0x0BU, 0x01U,
0x0EU, 0x01U, 0x11U, 0x01U, 0x14U, 0x01U, 0x17U, 0x01U, 0x1AU, 0x01U,
0x1DU, 0x01U, 0x20U, 0x01U, 0x23U, 0x01U, 0x26U, 0x01U, 0x29U, 0x01U,
0x2CU, 0x01U, 0x2FU, 0x01U, 0x32U, 0x01U, 0x35U, 0x01U, 0x38U, 0x01U,
0x3BU, 0x01U, 0x3EU, 0x01U, 0x41U, 0x01U, 0x44U, 0x01U, 0x47U, 0x01U,
0x4AU, 0x01U, 0x4DU, 0x01U, 0x50U, 0x01U, 0x02U, 0x02U, 0x05U, 0x02U,
0x08U, 0x02U, 0x0BU, 0x02U, 0x0EU, 0x02U, 0x11U, 0x02U, 0x14U, 0x02U,
0x17U, 0x02U, 0x1AU, 0x02U, 0x1DU, 0x02U, 0x20U, 0x02U, 0x23U, 0x02U,
0x26U, 0x02U, 0x29U, 0x02U, 0x2CU, 0x02U, 0x2FU, 0x02U, 0x32U, 0x02U,
0x35U, 0x02U, 0x38U, 0x02U, 0x3BU, 0x02U, 0x3EU, 0x02U, 0x41U, 0x02U,
0x44U, 0x02U, 0x47U, 0x02U, 0x4AU, 0x02U, 0x4DU, 0x02U, 0x50U, 0x02U,
0x02U, 0x03U, 0x05U, 0x03U, 0x08U, 0x03U, 0x0BU, 0x03U, 0x0EU, 0x03U,
0x11U, 0x03U, 0x14U, 0x03U, 0x17U, 0x03U, 0x1AU, 0x03U, 0x1DU, 0x03U,
0x20U, 0x03U, 0x23U, 0x03U, 0x26U, 0x03U, 0x29U, 0x03U, 0x2CU, 0x03U,
0x2FU, 0x03U, 0x32U, 0x03U, 0x35U, 0x03U, 0x38U, 0x03U, 0x3BU, 0x03U,
0x3EU, 0x03U, 0x41U, 0x03U, 0x44U, 0x03U, 0x47U, 0x03U, 0x4AU, 0x03U,
0x4DU, 0x03U, 0x50U, 0x03U, 0x02U, 0x04U, 0x05U, 0x04U, 0x08U, 0x04U,
0x0BU, 0x04U, 0x0EU, 0x04U, 0x11U, 0x04U, 0x14U, 0x04U, 0x17U, 0x04U,
0x1AU, 0x04U, 0x1DU, 0x04U, 0x20U, 0x04U, 0x23U, 0x04U, 0x26U, 0x04U,
0x29U, 0x04U, 0x2CU, 0x04U, 0x2FU, 0x04U, 0x32U, 0x04U, 0x35U, 0x04U,
0x38U, 0x04U, 0x3BU, 0x04U, 0x3EU, 0x04U, 0x41U, 0x04U, 0x44U, 0x04U,
0x47U, 0x04U, 0x4AU, 0x04U, 0x4DU, 0x04U, 0x50U, 0x04U, 0x02U, 0x05U,
0x05U, 0x05U, 0x08U, 0x05U, 0x0BU, 0x05U, 0x0EU, 0x05U, 0x11U, 0x05U,
0x14U, 0x05U, 0x17U, 0x05U, 0x1AU, 0x05U, 0x1DU, 0x05U, 0x20U, 0x05U,
0x23U, 0x05U, 0x26U, 0x05U, 0x29U, 0x05U, 0x2CU, 0x05U, 0x2FU, 0x05U,
0x32U, 0x05U, 0x35U, 0x05U, 0x38U, 0x05U, 0x3BU, 0x05U, 0x3EU, 0x05U,
0x41U, 0x05U, 0x44U, 0x05U, 0x47U, 0x05U, 0x4AU, 0x05U, 0x4DU, 0x05U,
0x50U, 0x05U, 0x02U, 0x06U, 0x05U, 0x06U, 0x08U, 0x06U, 0x0BU, 0x06U,
0x0EU, 0x06U, 0x11U, 0x06U, 0x14U, 0x06U, 0x17U, 0x06U, 0x1AU, 0x06U,
0x1DU, 0x06U, 0x20U, 0x06U, 0x23U, 0x06U, 0x26U, 0x06U, 0x29U, 0x06U,
0x2CU, 0x06U, 0x2FU, 0x06U, 0x32U, 0x06U, 0x35U, 0x06U, 0x38U, 0x06U,
0x3BU, 0x06U, 0x3EU, 0x06U, 0x41U, 0x06U, 0x44U, 0x06U, 0x47U, 0x06U,
0x4AU, 0x06U, 0x4DU, 0x06U, 0x50U, 0x06U, 0x02U, 0x07U, 0x05U, 0x07U,
0x08U, 0x07U, 0x0BU, 0x07U, 0x0EU, 0x07U, 0x11U, 0x07U, 0x14U, 0x07U,
0x17U, 0x07U, 0x1AU, 0x07U, 0x1DU, 0x07U, 0x20U, 0x07U, 0x23U, 0x07U,
0x26U, 0x07U, 0x29U, 0x07U, 0x2CU, 0x07U, 0x2FU, 0x07U, 0x32U, 0x07U,
0x35U, 0x07U, 0x38U, 0x07U, 0x3BU, 0x07U, 0x3EU, 0x07U, 0x41U, 0x07U,
0x44U, 0x07U, 0x47U, 0x07U, 0x4AU, 0x07U, 0x4DU, 0x07U, 0x50U, 0x07U,
};
const uint8_t SCRAMBLE_TABLE_RX[] = {
0x70U, 0x4FU, 0x93U, 0x40U, 0x64U, 0x74U, 0x6DU, 0x30U, 0x2BU, 0xE7U,
0x2DU, 0x54U, 0x5FU, 0x8AU, 0x1DU, 0x7FU, 0xB8U, 0xA7U, 0x49U, 0x20U,
0x32U, 0xBAU, 0x36U, 0x98U, 0x95U, 0xF3U, 0x16U, 0xAAU, 0x2FU, 0xC5U,
0x8EU, 0x3FU, 0xDCU, 0xD3U, 0x24U, 0x10U, 0x19U, 0x5DU, 0x1BU, 0xCCU,
0xCAU, 0x79U, 0x0BU, 0xD5U, 0x97U, 0x62U, 0xC7U, 0x1FU, 0xEEU, 0x69U,
0x12U, 0x88U, 0x8CU, 0xAEU, 0x0DU, 0x66U, 0xE5U, 0xBCU, 0x85U, 0xEAU,
0x4BU, 0xB1U, 0xE3U, 0x0FU, 0xF7U, 0x34U, 0x09U, 0x44U, 0x46U, 0xD7U,
0x06U, 0xB3U, 0x72U, 0xDEU, 0x42U, 0xF5U, 0xA5U, 0xD8U, 0xF1U, 0x87U,
0x7BU, 0x9AU, 0x04U, 0x22U, 0xA3U, 0x6BU, 0x83U, 0x59U, 0x39U, 0x6FU,
0x00U};
const uint16_t CCITT_TABLE[] = {
0x0000U, 0x1189U, 0x2312U, 0x329bU, 0x4624U, 0x57adU, 0x6536U, 0x74bfU,
0x8c48U, 0x9dc1U, 0xaf5aU, 0xbed3U, 0xca6cU, 0xdbe5U, 0xe97eU, 0xf8f7U,
0x1081U, 0x0108U, 0x3393U, 0x221aU, 0x56a5U, 0x472cU, 0x75b7U, 0x643eU,
0x9cc9U, 0x8d40U, 0xbfdbU, 0xae52U, 0xdaedU, 0xcb64U, 0xf9ffU, 0xe876U,
0x2102U, 0x308bU, 0x0210U, 0x1399U, 0x6726U, 0x76afU, 0x4434U, 0x55bdU,
0xad4aU, 0xbcc3U, 0x8e58U, 0x9fd1U, 0xeb6eU, 0xfae7U, 0xc87cU, 0xd9f5U,
0x3183U, 0x200aU, 0x1291U, 0x0318U, 0x77a7U, 0x662eU, 0x54b5U, 0x453cU,
0xbdcbU, 0xac42U, 0x9ed9U, 0x8f50U, 0xfbefU, 0xea66U, 0xd8fdU, 0xc974U,
0x4204U, 0x538dU, 0x6116U, 0x709fU, 0x0420U, 0x15a9U, 0x2732U, 0x36bbU,
0xce4cU, 0xdfc5U, 0xed5eU, 0xfcd7U, 0x8868U, 0x99e1U, 0xab7aU, 0xbaf3U,
0x5285U, 0x430cU, 0x7197U, 0x601eU, 0x14a1U, 0x0528U, 0x37b3U, 0x263aU,
0xdecdU, 0xcf44U, 0xfddfU, 0xec56U, 0x98e9U, 0x8960U, 0xbbfbU, 0xaa72U,
0x6306U, 0x728fU, 0x4014U, 0x519dU, 0x2522U, 0x34abU, 0x0630U, 0x17b9U,
0xef4eU, 0xfec7U, 0xcc5cU, 0xddd5U, 0xa96aU, 0xb8e3U, 0x8a78U, 0x9bf1U,
0x7387U, 0x620eU, 0x5095U, 0x411cU, 0x35a3U, 0x242aU, 0x16b1U, 0x0738U,
0xffcfU, 0xee46U, 0xdcddU, 0xcd54U, 0xb9ebU, 0xa862U, 0x9af9U, 0x8b70U,
0x8408U, 0x9581U, 0xa71aU, 0xb693U, 0xc22cU, 0xd3a5U, 0xe13eU, 0xf0b7U,
0x0840U, 0x19c9U, 0x2b52U, 0x3adbU, 0x4e64U, 0x5fedU, 0x6d76U, 0x7cffU,
0x9489U, 0x8500U, 0xb79bU, 0xa612U, 0xd2adU, 0xc324U, 0xf1bfU, 0xe036U,
0x18c1U, 0x0948U, 0x3bd3U, 0x2a5aU, 0x5ee5U, 0x4f6cU, 0x7df7U, 0x6c7eU,
0xa50aU, 0xb483U, 0x8618U, 0x9791U, 0xe32eU, 0xf2a7U, 0xc03cU, 0xd1b5U,
0x2942U, 0x38cbU, 0x0a50U, 0x1bd9U, 0x6f66U, 0x7eefU, 0x4c74U, 0x5dfdU,
0xb58bU, 0xa402U, 0x9699U, 0x8710U, 0xf3afU, 0xe226U, 0xd0bdU, 0xc134U,
0x39c3U, 0x284aU, 0x1ad1U, 0x0b58U, 0x7fe7U, 0x6e6eU, 0x5cf5U, 0x4d7cU,
0xc60cU, 0xd785U, 0xe51eU, 0xf497U, 0x8028U, 0x91a1U, 0xa33aU, 0xb2b3U,
0x4a44U, 0x5bcdU, 0x6956U, 0x78dfU, 0x0c60U, 0x1de9U, 0x2f72U, 0x3efbU,
0xd68dU, 0xc704U, 0xf59fU, 0xe416U, 0x90a9U, 0x8120U, 0xb3bbU, 0xa232U,
0x5ac5U, 0x4b4cU, 0x79d7U, 0x685eU, 0x1ce1U, 0x0d68U, 0x3ff3U, 0x2e7aU,
0xe70eU, 0xf687U, 0xc41cU, 0xd595U, 0xa12aU, 0xb0a3U, 0x8238U, 0x93b1U,
0x6b46U, 0x7acfU, 0x4854U, 0x59ddU, 0x2d62U, 0x3cebU, 0x0e70U, 0x1ff9U,
0xf78fU, 0xe606U, 0xd49dU, 0xc514U, 0xb1abU, 0xa022U, 0x92b9U, 0x8330U,
0x7bc7U, 0x6a4eU, 0x58d5U, 0x495cU, 0x3de3U, 0x2c6aU, 0x1ef1U, 0x0f78U};
CDStarRX::CDStarRX() :
m_rxState(DSRXS_NONE),
m_patternBuffer(0x00U),
m_rxBuffer(),
m_rxBufferBits(0U),
m_dataBits(0U),
m_mar(0U),
m_pathMetric(),
m_pathMemory0(),
m_pathMemory1(),
m_pathMemory2(),
m_pathMemory3(),
m_fecOutput()
{
}
void CDStarRX::reset()
{
m_rxState = DSRXS_NONE;
m_patternBuffer = 0x00U;
m_rxBufferBits = 0U;
m_dataBits = 0U;
}
void CDStarRX::databit(bool bit)
{
switch (m_rxState) {
case DSRXS_NONE:
processNone(bit);
break;
case DSRXS_HEADER:
processHeader(bit);
break;
case DSRXS_DATA:
processData(bit);
break;
default:
break;
}
}
void CDStarRX::processNone(bool bit)
{
m_patternBuffer <<= 1;
if (bit)
m_patternBuffer |= 0x01U;
// Fuzzy matching of the frame sync sequence
if (countBits32((m_patternBuffer & FRAME_SYNC_MASK) ^ FRAME_SYNC_DATA) <= FRAME_SYNC_ERRS) {
DEBUG1("DStarRX: found frame sync in None");
::memset(m_rxBuffer, 0x00U, DSTAR_FEC_SECTION_LENGTH_BYTES);
m_rxBufferBits = 0U;
m_rxState = DSRXS_HEADER;
return;
}
// Exact matching of the data sync bit sequence
if (countBits32((m_patternBuffer & DATA_SYNC_MASK) ^ DATA_SYNC_DATA) == 0U) {
DEBUG1("DStarRX: found data sync in None");
io.setDecode(true);
serial.writeDStarData(DSTAR_DATA_SYNC_BYTES, DSTAR_DATA_LENGTH_BYTES);
::memset(m_rxBuffer, 0x00U, DSTAR_DATA_LENGTH_BYTES + 2U);
m_rxBufferBits = 0U;
m_dataBits = 0U;
m_rxState = DSRXS_DATA;
return;
}
}
void CDStarRX::processHeader(bool bit)
{
m_patternBuffer <<= 1;
if (bit)
m_patternBuffer |= 0x01U;
WRITE_BIT2(m_rxBuffer, m_rxBufferBits, bit);
m_rxBufferBits++;
// A full FEC header
if (m_rxBufferBits == DSTAR_FEC_SECTION_LENGTH_BITS) {
// Process the scrambling, interleaving and FEC, then return if the chcksum was correct
unsigned char header[DSTAR_HEADER_LENGTH_BYTES];
bool ok = rxHeader(m_rxBuffer, header);
if (ok) {
io.setDecode(true);
serial.writeDStarHeader(header, DSTAR_HEADER_LENGTH_BYTES);
::memset(m_rxBuffer, 0x00U, DSTAR_DATA_LENGTH_BYTES + 2U);
m_rxBufferBits = 0U;
m_rxState = DSRXS_DATA;
m_dataBits = SYNC_POS - DSTAR_DATA_LENGTH_BITS + 1U;
} else {
// The checksum failed, return to looking for syncs
m_rxState = DSRXS_NONE;
}
}
}
void CDStarRX::processData(bool bit)
{
m_patternBuffer <<= 1;
if (bit)
m_patternBuffer |= 0x01U;
WRITE_BIT2(m_rxBuffer, m_rxBufferBits, bit);
m_rxBufferBits++;
// Fuzzy matching of the end frame sequences
if (countBits32((m_patternBuffer & END_SYNC_MASK) ^ END_SYNC_DATA) <= END_SYNC_ERRS) {
DEBUG1("DStarRX: Found end sync in Data");
io.setDecode(false);
serial.writeDStarEOT();
m_rxState = DSRXS_NONE;
return;
}
// Fuzzy matching of the data sync bit sequence
bool syncSeen = false;
if (m_dataBits >= SYNC_SCAN_START && m_dataBits <= (SYNC_POS + 1U)) {
if (countBits32((m_patternBuffer & DATA_SYNC_MASK) ^ DATA_SYNC_DATA) <= DATA_SYNC_ERRS) {
#if defined(WANT_DEBUG)
if (m_dataBits < SYNC_POS)
DEBUG2("DStarRX: found data sync in Data, early", SYNC_POS - m_dataBits);
else
DEBUG1("DStarRX: found data sync in Data");
#endif
m_rxBufferBits = DSTAR_DATA_LENGTH_BITS;
m_dataBits = 0U;
syncSeen = true;
}
}
// Check to see if the sync is arriving late
if (m_dataBits == SYNC_POS) {
for (uint8_t i = 1U; i <= 3U; i++) {
uint32_t syncMask = DATA_SYNC_MASK >> i;
uint32_t syncData = DATA_SYNC_DATA >> i;
if (countBits32((m_patternBuffer & syncMask) ^ syncData) <= DATA_SYNC_ERRS) {
DEBUG2("DStarRX: found data sync in Data, late", i);
m_rxBufferBits -= i;
m_dataBits -= i;
break;
}
}
}
m_dataBits++;
// We've not seen a data sync for too long, signal RXLOST and change to RX_NONE
if (m_dataBits >= MAX_SYNC_BITS) {
DEBUG1("DStarRX: data sync timed out, lost lock");
io.setDecode(false);
serial.writeDStarLost();
m_rxState = DSRXS_NONE;
return;
}
// Send a data frame to the host if the required number of bits have been received, or if a data sync has been seen
if (m_rxBufferBits == DSTAR_DATA_LENGTH_BITS) {
if (syncSeen) {
m_rxBuffer[9U] = DSTAR_DATA_SYNC_BYTES[9U];
m_rxBuffer[10U] = DSTAR_DATA_SYNC_BYTES[10U];
m_rxBuffer[11U] = DSTAR_DATA_SYNC_BYTES[11U];
}
io.setDecode(true);
serial.writeDStarData(m_rxBuffer, DSTAR_DATA_LENGTH_BYTES);
// Start the next frame
::memset(m_rxBuffer, 0x00U, DSTAR_DATA_LENGTH_BYTES + 2U);
m_rxBufferBits = 0U;
}
}
bool CDStarRX::rxHeader(uint8_t* in, uint8_t* out)
{
int i;
// Descramble the header
for (i = 0; i < int(DSTAR_FEC_SECTION_LENGTH_BYTES); i++)
in[i] ^= SCRAMBLE_TABLE_RX[i];
unsigned char intermediate[84U];
for (i = 0; i < 84; i++)
intermediate[i] = 0x00U;
// Deinterleave the header
i = 0;
while (i < 660) {
unsigned char d = in[i / 8];
if (d & 0x01U)
intermediate[INTERLEAVE_TABLE_RX[i * 2U]] |= (0x80U >> INTERLEAVE_TABLE_RX[i * 2U + 1U]);
i++;
if (d & 0x02U)
intermediate[INTERLEAVE_TABLE_RX[i * 2U]] |= (0x80U >> INTERLEAVE_TABLE_RX[i * 2U + 1U]);
i++;
if (d & 0x04U)
intermediate[INTERLEAVE_TABLE_RX[i * 2U]] |= (0x80U >> INTERLEAVE_TABLE_RX[i * 2U + 1U]);
i++;
if (d & 0x08U)
intermediate[INTERLEAVE_TABLE_RX[i * 2U]] |= (0x80U >> INTERLEAVE_TABLE_RX[i * 2U + 1U]);
i++;
if (i < 660) {
if (d & 0x10U)
intermediate[INTERLEAVE_TABLE_RX[i * 2U]] |= (0x80U >> INTERLEAVE_TABLE_RX[i * 2U + 1U]);
i++;
if (d & 0x20U)
intermediate[INTERLEAVE_TABLE_RX[i * 2U]] |= (0x80U >> INTERLEAVE_TABLE_RX[i * 2U + 1U]);
i++;
if (d & 0x40U)
intermediate[INTERLEAVE_TABLE_RX[i * 2U]] |= (0x80U >> INTERLEAVE_TABLE_RX[i * 2U + 1U]);
i++;
if (d & 0x80U)
intermediate[INTERLEAVE_TABLE_RX[i * 2U]] |= (0x80U >> INTERLEAVE_TABLE_RX[i * 2U + 1U]);
i++;
}
}
for (i = 0; i < 4; i++)
m_pathMetric[i] = 0;
int decodeData[2U];
m_mar = 0U;
for (i = 0; i < 660; i += 2) {
if (intermediate[i >> 3] & (0x80U >> (i & 7)))
decodeData[1U] = 1U;
else
decodeData[1U] = 0U;
if (intermediate[i >> 3] & (0x40U >> (i & 7)))
decodeData[0U] = 1U;
else
decodeData[0U] = 0U;
viterbiDecode(decodeData);
}
traceBack();
for (i = 0; i < int(DSTAR_HEADER_LENGTH_BYTES); i++)
out[i] = 0x00U;
unsigned int j = 0;
for (i = 329; i >= 0; i--) {
if (READ_BIT1(m_fecOutput, i))
out[j >> 3] |= (0x01U << (j & 7));
j++;
}
return checksum(out);
}
void CDStarRX::acs(int* metric)
{
int tempMetric[4U];
unsigned int j = m_mar >> 3;
unsigned int k = m_mar & 7;
// Pres. state = S0, Prev. state = S0 & S2
int m1 = metric[0U] + m_pathMetric[0U];
int m2 = metric[4U] + m_pathMetric[2U];
tempMetric[0U] = m1 < m2 ? m1 : m2;
if (m1 < m2)
m_pathMemory0[j] &= BIT_MASK_TABLE0[k];
else
m_pathMemory0[j] |= BIT_MASK_TABLE1[k];
// Pres. state = S1, Prev. state = S0 & S2
m1 = metric[1U] + m_pathMetric[0U];
m2 = metric[5U] + m_pathMetric[2U];
tempMetric[1U] = m1 < m2 ? m1 : m2;
if (m1 < m2)
m_pathMemory1[j] &= BIT_MASK_TABLE0[k];
else
m_pathMemory1[j] |= BIT_MASK_TABLE1[k];
// Pres. state = S2, Prev. state = S2 & S3
m1 = metric[2U] + m_pathMetric[1U];
m2 = metric[6U] + m_pathMetric[3U];
tempMetric[2U] = m1 < m2 ? m1 : m2;
if (m1 < m2)
m_pathMemory2[j] &= BIT_MASK_TABLE0[k];
else
m_pathMemory2[j] |= BIT_MASK_TABLE1[k];
// Pres. state = S3, Prev. state = S1 & S3
m1 = metric[3U] + m_pathMetric[1U];
m2 = metric[7U] + m_pathMetric[3U];
tempMetric[3U] = m1 < m2 ? m1 : m2;
if (m1 < m2)
m_pathMemory3[j] &= BIT_MASK_TABLE0[k];
else
m_pathMemory3[j] |= BIT_MASK_TABLE1[k];
for (unsigned int i = 0U; i < 4U; i++)
m_pathMetric[i] = tempMetric[i];
m_mar++;
}
void CDStarRX::viterbiDecode(int* data)
{
int metric[8U];
metric[0] = (data[1] ^ 0) + (data[0] ^ 0);
metric[1] = (data[1] ^ 1) + (data[0] ^ 1);
metric[2] = (data[1] ^ 1) + (data[0] ^ 0);
metric[3] = (data[1] ^ 0) + (data[0] ^ 1);
metric[4] = (data[1] ^ 1) + (data[0] ^ 1);
metric[5] = (data[1] ^ 0) + (data[0] ^ 0);
metric[6] = (data[1] ^ 0) + (data[0] ^ 1);
metric[7] = (data[1] ^ 1) + (data[0] ^ 0);
acs(metric);
}
void CDStarRX::traceBack()
{
// Start from the S0, t=31
unsigned int j = 0U;
unsigned int k = 0U;
for (int i = 329; i >= 0; i--) {
switch (j) {
case 0U: // if state = S0
if (!READ_BIT1(m_pathMemory0, i))
j = 0U;
else
j = 2U;
WRITE_BIT1(m_fecOutput, k, false);
k++;
break;
case 1U: // if state = S1
if (!READ_BIT1(m_pathMemory1, i))
j = 0U;
else
j = 2U;
WRITE_BIT1(m_fecOutput, k, true);
k++;
break;
case 2U: // if state = S1
if (!READ_BIT1(m_pathMemory2, i))
j = 1U;
else
j = 3U;
WRITE_BIT1(m_fecOutput, k, false);
k++;
break;
case 3U: // if state = S1
if (!READ_BIT1(m_pathMemory3, i))
j = 1U;
else
j = 3U;
WRITE_BIT1(m_fecOutput, k, true);
k++;
break;
}
}
}
bool CDStarRX::checksum(const uint8_t* header) const
{
union {
uint16_t crc16;
uint8_t crc8[2U];
};
crc16 = 0xFFFFU;
for (uint8_t i = 0U; i < (DSTAR_HEADER_LENGTH_BYTES - 2U); i++)
crc16 = uint16_t(crc8[1U]) ^ CCITT_TABLE[crc8[0U] ^ header[i]];
crc16 = ~crc16;
return crc8[0U] == header[DSTAR_HEADER_LENGTH_BYTES - 2U] && crc8[1U] == header[DSTAR_HEADER_LENGTH_BYTES - 1U];
}

62
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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(DSTARRX_H)
#define DSTARRX_H
#include "DStarDefines.h"
enum DSRX_STATE {
DSRXS_NONE,
DSRXS_HEADER,
DSRXS_DATA
};
class CDStarRX {
public:
CDStarRX();
void databit(bool bit);
void reset();
private:
DSRX_STATE m_rxState;
uint32_t m_patternBuffer;
uint8_t m_rxBuffer[100U];
unsigned int m_rxBufferBits;
unsigned int m_dataBits;
unsigned int m_mar;
int m_pathMetric[4U];
unsigned int m_pathMemory0[42U];
unsigned int m_pathMemory1[42U];
unsigned int m_pathMemory2[42U];
unsigned int m_pathMemory3[42U];
uint8_t m_fecOutput[42U];
void processNone(bool bit);
void processHeader(bool bit);
void processData(bool bit);
bool rxHeader(uint8_t* in, uint8_t* out);
void acs(int* metric);
void viterbiDecode(int* data);
void traceBack();
bool checksum(const uint8_t* header) const;
};
#endif

437
DStarTX.cpp Normal file
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/*
* Copyright (C) 2009-2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
#include "DStarTX.h"
#include "DStarDefines.h"
const uint8_t BIT_SYNC = 0xAAU;
const uint8_t FRAME_SYNC[] = {0xEAU, 0xA6U, 0x00U};
const uint8_t BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U};
const uint8_t INTERLEAVE_TABLE_TX[] = {
0x00U, 0x04U, 0x04U, 0x00U, 0x07U, 0x04U, 0x0BU, 0x00U, 0x0EU, 0x04U,
0x12U, 0x00U, 0x15U, 0x04U, 0x19U, 0x00U, 0x1CU, 0x04U, 0x20U, 0x00U,
0x23U, 0x04U, 0x27U, 0x00U, 0x2AU, 0x04U, 0x2DU, 0x07U, 0x31U, 0x02U,
0x34U, 0x05U, 0x38U, 0x00U, 0x3BU, 0x03U, 0x3EU, 0x06U, 0x42U, 0x01U,
0x45U, 0x04U, 0x48U, 0x07U, 0x4CU, 0x02U, 0x4FU, 0x05U, 0x00U, 0x05U,
0x04U, 0x01U, 0x07U, 0x05U, 0x0BU, 0x01U, 0x0EU, 0x05U, 0x12U, 0x01U,
0x15U, 0x05U, 0x19U, 0x01U, 0x1CU, 0x05U, 0x20U, 0x01U, 0x23U, 0x05U,
0x27U, 0x01U, 0x2AU, 0x05U, 0x2EU, 0x00U, 0x31U, 0x03U, 0x34U, 0x06U,
0x38U, 0x01U, 0x3BU, 0x04U, 0x3EU, 0x07U, 0x42U, 0x02U, 0x45U, 0x05U,
0x49U, 0x00U, 0x4CU, 0x03U, 0x4FU, 0x06U, 0x00U, 0x06U, 0x04U, 0x02U,
0x07U, 0x06U, 0x0BU, 0x02U, 0x0EU, 0x06U, 0x12U, 0x02U, 0x15U, 0x06U,
0x19U, 0x02U, 0x1CU, 0x06U, 0x20U, 0x02U, 0x23U, 0x06U, 0x27U, 0x02U,
0x2AU, 0x06U, 0x2EU, 0x01U, 0x31U, 0x04U, 0x34U, 0x07U, 0x38U, 0x02U,
0x3BU, 0x05U, 0x3FU, 0x00U, 0x42U, 0x03U, 0x45U, 0x06U, 0x49U, 0x01U,
0x4CU, 0x04U, 0x4FU, 0x07U, 0x00U, 0x07U, 0x04U, 0x03U, 0x07U, 0x07U,
0x0BU, 0x03U, 0x0EU, 0x07U, 0x12U, 0x03U, 0x15U, 0x07U, 0x19U, 0x03U,
0x1CU, 0x07U, 0x20U, 0x03U, 0x23U, 0x07U, 0x27U, 0x03U, 0x2AU, 0x07U,
0x2EU, 0x02U, 0x31U, 0x05U, 0x35U, 0x00U, 0x38U, 0x03U, 0x3BU, 0x06U,
0x3FU, 0x01U, 0x42U, 0x04U, 0x45U, 0x07U, 0x49U, 0x02U, 0x4CU, 0x05U,
0x50U, 0x00U, 0x01U, 0x00U, 0x04U, 0x04U, 0x08U, 0x00U, 0x0BU, 0x04U,
0x0FU, 0x00U, 0x12U, 0x04U, 0x16U, 0x00U, 0x19U, 0x04U, 0x1DU, 0x00U,
0x20U, 0x04U, 0x24U, 0x00U, 0x27U, 0x04U, 0x2BU, 0x00U, 0x2EU, 0x03U,
0x31U, 0x06U, 0x35U, 0x01U, 0x38U, 0x04U, 0x3BU, 0x07U, 0x3FU, 0x02U,
0x42U, 0x05U, 0x46U, 0x00U, 0x49U, 0x03U, 0x4CU, 0x06U, 0x50U, 0x01U,
0x01U, 0x01U, 0x04U, 0x05U, 0x08U, 0x01U, 0x0BU, 0x05U, 0x0FU, 0x01U,
0x12U, 0x05U, 0x16U, 0x01U, 0x19U, 0x05U, 0x1DU, 0x01U, 0x20U, 0x05U,
0x24U, 0x01U, 0x27U, 0x05U, 0x2BU, 0x01U, 0x2EU, 0x04U, 0x31U, 0x07U,
0x35U, 0x02U, 0x38U, 0x05U, 0x3CU, 0x00U, 0x3FU, 0x03U, 0x42U, 0x06U,
0x46U, 0x01U, 0x49U, 0x04U, 0x4CU, 0x07U, 0x50U, 0x02U, 0x01U, 0x02U,
0x04U, 0x06U, 0x08U, 0x02U, 0x0BU, 0x06U, 0x0FU, 0x02U, 0x12U, 0x06U,
0x16U, 0x02U, 0x19U, 0x06U, 0x1DU, 0x02U, 0x20U, 0x06U, 0x24U, 0x02U,
0x27U, 0x06U, 0x2BU, 0x02U, 0x2EU, 0x05U, 0x32U, 0x00U, 0x35U, 0x03U,
0x38U, 0x06U, 0x3CU, 0x01U, 0x3FU, 0x04U, 0x42U, 0x07U, 0x46U, 0x02U,
0x49U, 0x05U, 0x4DU, 0x00U, 0x50U, 0x03U, 0x01U, 0x03U, 0x04U, 0x07U,
0x08U, 0x03U, 0x0BU, 0x07U, 0x0FU, 0x03U, 0x12U, 0x07U, 0x16U, 0x03U,
0x19U, 0x07U, 0x1DU, 0x03U, 0x20U, 0x07U, 0x24U, 0x03U, 0x27U, 0x07U,
0x2BU, 0x03U, 0x2EU, 0x06U, 0x32U, 0x01U, 0x35U, 0x04U, 0x38U, 0x07U,
0x3CU, 0x02U, 0x3FU, 0x05U, 0x43U, 0x00U, 0x46U, 0x03U, 0x49U, 0x06U,
0x4DU, 0x01U, 0x50U, 0x04U, 0x01U, 0x04U, 0x05U, 0x00U, 0x08U, 0x04U,
0x0CU, 0x00U, 0x0FU, 0x04U, 0x13U, 0x00U, 0x16U, 0x04U, 0x1AU, 0x00U,
0x1DU, 0x04U, 0x21U, 0x00U, 0x24U, 0x04U, 0x28U, 0x00U, 0x2BU, 0x04U,
0x2EU, 0x07U, 0x32U, 0x02U, 0x35U, 0x05U, 0x39U, 0x00U, 0x3CU, 0x03U,
0x3FU, 0x06U, 0x43U, 0x01U, 0x46U, 0x04U, 0x49U, 0x07U, 0x4DU, 0x02U,
0x50U, 0x05U, 0x01U, 0x05U, 0x05U, 0x01U, 0x08U, 0x05U, 0x0CU, 0x01U,
0x0FU, 0x05U, 0x13U, 0x01U, 0x16U, 0x05U, 0x1AU, 0x01U, 0x1DU, 0x05U,
0x21U, 0x01U, 0x24U, 0x05U, 0x28U, 0x01U, 0x2BU, 0x05U, 0x2FU, 0x00U,
0x32U, 0x03U, 0x35U, 0x06U, 0x39U, 0x01U, 0x3CU, 0x04U, 0x3FU, 0x07U,
0x43U, 0x02U, 0x46U, 0x05U, 0x4AU, 0x00U, 0x4DU, 0x03U, 0x50U, 0x06U,
0x01U, 0x06U, 0x05U, 0x02U, 0x08U, 0x06U, 0x0CU, 0x02U, 0x0FU, 0x06U,
0x13U, 0x02U, 0x16U, 0x06U, 0x1AU, 0x02U, 0x1DU, 0x06U, 0x21U, 0x02U,
0x24U, 0x06U, 0x28U, 0x02U, 0x2BU, 0x06U, 0x2FU, 0x01U, 0x32U, 0x04U,
0x35U, 0x07U, 0x39U, 0x02U, 0x3CU, 0x05U, 0x40U, 0x00U, 0x43U, 0x03U,
0x46U, 0x06U, 0x4AU, 0x01U, 0x4DU, 0x04U, 0x50U, 0x07U, 0x01U, 0x07U,
0x05U, 0x03U, 0x08U, 0x07U, 0x0CU, 0x03U, 0x0FU, 0x07U, 0x13U, 0x03U,
0x16U, 0x07U, 0x1AU, 0x03U, 0x1DU, 0x07U, 0x21U, 0x03U, 0x24U, 0x07U,
0x28U, 0x03U, 0x2BU, 0x07U, 0x2FU, 0x02U, 0x32U, 0x05U, 0x36U, 0x00U,
0x39U, 0x03U, 0x3CU, 0x06U, 0x40U, 0x01U, 0x43U, 0x04U, 0x46U, 0x07U,
0x4AU, 0x02U, 0x4DU, 0x05U, 0x51U, 0x00U, 0x02U, 0x00U, 0x05U, 0x04U,
0x09U, 0x00U, 0x0CU, 0x04U, 0x10U, 0x00U, 0x13U, 0x04U, 0x17U, 0x00U,
0x1AU, 0x04U, 0x1EU, 0x00U, 0x21U, 0x04U, 0x25U, 0x00U, 0x28U, 0x04U,
0x2CU, 0x00U, 0x2FU, 0x03U, 0x32U, 0x06U, 0x36U, 0x01U, 0x39U, 0x04U,
0x3CU, 0x07U, 0x40U, 0x02U, 0x43U, 0x05U, 0x47U, 0x00U, 0x4AU, 0x03U,
0x4DU, 0x06U, 0x51U, 0x01U, 0x02U, 0x01U, 0x05U, 0x05U, 0x09U, 0x01U,
0x0CU, 0x05U, 0x10U, 0x01U, 0x13U, 0x05U, 0x17U, 0x01U, 0x1AU, 0x05U,
0x1EU, 0x01U, 0x21U, 0x05U, 0x25U, 0x01U, 0x28U, 0x05U, 0x2CU, 0x01U,
0x2FU, 0x04U, 0x32U, 0x07U, 0x36U, 0x02U, 0x39U, 0x05U, 0x3DU, 0x00U,
0x40U, 0x03U, 0x43U, 0x06U, 0x47U, 0x01U, 0x4AU, 0x04U, 0x4DU, 0x07U,
0x51U, 0x02U, 0x02U, 0x02U, 0x05U, 0x06U, 0x09U, 0x02U, 0x0CU, 0x06U,
0x10U, 0x02U, 0x13U, 0x06U, 0x17U, 0x02U, 0x1AU, 0x06U, 0x1EU, 0x02U,
0x21U, 0x06U, 0x25U, 0x02U, 0x28U, 0x06U, 0x2CU, 0x02U, 0x2FU, 0x05U,
0x33U, 0x00U, 0x36U, 0x03U, 0x39U, 0x06U, 0x3DU, 0x01U, 0x40U, 0x04U,
0x43U, 0x07U, 0x47U, 0x02U, 0x4AU, 0x05U, 0x4EU, 0x00U, 0x51U, 0x03U,
0x02U, 0x03U, 0x05U, 0x07U, 0x09U, 0x03U, 0x0CU, 0x07U, 0x10U, 0x03U,
0x13U, 0x07U, 0x17U, 0x03U, 0x1AU, 0x07U, 0x1EU, 0x03U, 0x21U, 0x07U,
0x25U, 0x03U, 0x28U, 0x07U, 0x2CU, 0x03U, 0x2FU, 0x06U, 0x33U, 0x01U,
0x36U, 0x04U, 0x39U, 0x07U, 0x3DU, 0x02U, 0x40U, 0x05U, 0x44U, 0x00U,
0x47U, 0x03U, 0x4AU, 0x06U, 0x4EU, 0x01U, 0x51U, 0x04U, 0x02U, 0x04U,
0x06U, 0x00U, 0x09U, 0x04U, 0x0DU, 0x00U, 0x10U, 0x04U, 0x14U, 0x00U,
0x17U, 0x04U, 0x1BU, 0x00U, 0x1EU, 0x04U, 0x22U, 0x00U, 0x25U, 0x04U,
0x29U, 0x00U, 0x2CU, 0x04U, 0x2FU, 0x07U, 0x33U, 0x02U, 0x36U, 0x05U,
0x3AU, 0x00U, 0x3DU, 0x03U, 0x40U, 0x06U, 0x44U, 0x01U, 0x47U, 0x04U,
0x4AU, 0x07U, 0x4EU, 0x02U, 0x51U, 0x05U, 0x02U, 0x05U, 0x06U, 0x01U,
0x09U, 0x05U, 0x0DU, 0x01U, 0x10U, 0x05U, 0x14U, 0x01U, 0x17U, 0x05U,
0x1BU, 0x01U, 0x1EU, 0x05U, 0x22U, 0x01U, 0x25U, 0x05U, 0x29U, 0x01U,
0x2CU, 0x05U, 0x30U, 0x00U, 0x33U, 0x03U, 0x36U, 0x06U, 0x3AU, 0x01U,
0x3DU, 0x04U, 0x40U, 0x07U, 0x44U, 0x02U, 0x47U, 0x05U, 0x4BU, 0x00U,
0x4EU, 0x03U, 0x51U, 0x06U, 0x02U, 0x06U, 0x06U, 0x02U, 0x09U, 0x06U,
0x0DU, 0x02U, 0x10U, 0x06U, 0x14U, 0x02U, 0x17U, 0x06U, 0x1BU, 0x02U,
0x1EU, 0x06U, 0x22U, 0x02U, 0x25U, 0x06U, 0x29U, 0x02U, 0x2CU, 0x06U,
0x30U, 0x01U, 0x33U, 0x04U, 0x36U, 0x07U, 0x3AU, 0x02U, 0x3DU, 0x05U,
0x41U, 0x00U, 0x44U, 0x03U, 0x47U, 0x06U, 0x4BU, 0x01U, 0x4EU, 0x04U,
0x51U, 0x07U, 0x02U, 0x07U, 0x06U, 0x03U, 0x09U, 0x07U, 0x0DU, 0x03U,
0x10U, 0x07U, 0x14U, 0x03U, 0x17U, 0x07U, 0x1BU, 0x03U, 0x1EU, 0x07U,
0x22U, 0x03U, 0x25U, 0x07U, 0x29U, 0x03U, 0x2CU, 0x07U, 0x30U, 0x02U,
0x33U, 0x05U, 0x37U, 0x00U, 0x3AU, 0x03U, 0x3DU, 0x06U, 0x41U, 0x01U,
0x44U, 0x04U, 0x47U, 0x07U, 0x4BU, 0x02U, 0x4EU, 0x05U, 0x52U, 0x00U,
0x03U, 0x00U, 0x06U, 0x04U, 0x0AU, 0x00U, 0x0DU, 0x04U, 0x11U, 0x00U,
0x14U, 0x04U, 0x18U, 0x00U, 0x1BU, 0x04U, 0x1FU, 0x00U, 0x22U, 0x04U,
0x26U, 0x00U, 0x29U, 0x04U, 0x2DU, 0x00U, 0x30U, 0x03U, 0x33U, 0x06U,
0x37U, 0x01U, 0x3AU, 0x04U, 0x3DU, 0x07U, 0x41U, 0x02U, 0x44U, 0x05U,
0x48U, 0x00U, 0x4BU, 0x03U, 0x4EU, 0x06U, 0x52U, 0x01U, 0x03U, 0x01U,
0x06U, 0x05U, 0x0AU, 0x01U, 0x0DU, 0x05U, 0x11U, 0x01U, 0x14U, 0x05U,
0x18U, 0x01U, 0x1BU, 0x05U, 0x1FU, 0x01U, 0x22U, 0x05U, 0x26U, 0x01U,
0x29U, 0x05U, 0x2DU, 0x01U, 0x30U, 0x04U, 0x33U, 0x07U, 0x37U, 0x02U,
0x3AU, 0x05U, 0x3EU, 0x00U, 0x41U, 0x03U, 0x44U, 0x06U, 0x48U, 0x01U,
0x4BU, 0x04U, 0x4EU, 0x07U, 0x52U, 0x02U, 0x03U, 0x02U, 0x06U, 0x06U,
0x0AU, 0x02U, 0x0DU, 0x06U, 0x11U, 0x02U, 0x14U, 0x06U, 0x18U, 0x02U,
0x1BU, 0x06U, 0x1FU, 0x02U, 0x22U, 0x06U, 0x26U, 0x02U, 0x29U, 0x06U,
0x2DU, 0x02U, 0x30U, 0x05U, 0x34U, 0x00U, 0x37U, 0x03U, 0x3AU, 0x06U,
0x3EU, 0x01U, 0x41U, 0x04U, 0x44U, 0x07U, 0x48U, 0x02U, 0x4BU, 0x05U,
0x4FU, 0x00U, 0x52U, 0x03U, 0x03U, 0x03U, 0x06U, 0x07U, 0x0AU, 0x03U,
0x0DU, 0x07U, 0x11U, 0x03U, 0x14U, 0x07U, 0x18U, 0x03U, 0x1BU, 0x07U,
0x1FU, 0x03U, 0x22U, 0x07U, 0x26U, 0x03U, 0x29U, 0x07U, 0x2DU, 0x03U,
0x30U, 0x06U, 0x34U, 0x01U, 0x37U, 0x04U, 0x3AU, 0x07U, 0x3EU, 0x02U,
0x41U, 0x05U, 0x45U, 0x00U, 0x48U, 0x03U, 0x4BU, 0x06U, 0x4FU, 0x01U,
0x52U, 0x04U, 0x03U, 0x04U, 0x07U, 0x00U, 0x0AU, 0x04U, 0x0EU, 0x00U,
0x11U, 0x04U, 0x15U, 0x00U, 0x18U, 0x04U, 0x1CU, 0x00U, 0x1FU, 0x04U,
0x23U, 0x00U, 0x26U, 0x04U, 0x2AU, 0x00U, 0x2DU, 0x04U, 0x30U, 0x07U,
0x34U, 0x02U, 0x37U, 0x05U, 0x3BU, 0x00U, 0x3EU, 0x03U, 0x41U, 0x06U,
0x45U, 0x01U, 0x48U, 0x04U, 0x4BU, 0x07U, 0x4FU, 0x02U, 0x52U, 0x05U,
0x03U, 0x05U, 0x07U, 0x01U, 0x0AU, 0x05U, 0x0EU, 0x01U, 0x11U, 0x05U,
0x15U, 0x01U, 0x18U, 0x05U, 0x1CU, 0x01U, 0x1FU, 0x05U, 0x23U, 0x01U,
0x26U, 0x05U, 0x2AU, 0x01U, 0x2DU, 0x05U, 0x31U, 0x00U, 0x34U, 0x03U,
0x37U, 0x06U, 0x3BU, 0x01U, 0x3EU, 0x04U, 0x41U, 0x07U, 0x45U, 0x02U,
0x48U, 0x05U, 0x4CU, 0x00U, 0x4FU, 0x03U, 0x52U, 0x06U, 0x03U, 0x06U,
0x07U, 0x02U, 0x0AU, 0x06U, 0x0EU, 0x02U, 0x11U, 0x06U, 0x15U, 0x02U,
0x18U, 0x06U, 0x1CU, 0x02U, 0x1FU, 0x06U, 0x23U, 0x02U, 0x26U, 0x06U,
0x2AU, 0x02U, 0x2DU, 0x06U, 0x31U, 0x01U, 0x34U, 0x04U, 0x37U, 0x07U,
0x3BU, 0x02U, 0x3EU, 0x05U, 0x42U, 0x00U, 0x45U, 0x03U, 0x48U, 0x06U,
0x4CU, 0x01U, 0x4FU, 0x04U, 0x52U, 0x07U, 0x03U, 0x07U, 0x07U, 0x03U,
0x0AU, 0x07U, 0x0EU, 0x03U, 0x11U, 0x07U, 0x15U, 0x03U, 0x18U, 0x07U,
0x1CU, 0x03U, 0x1FU, 0x07U, 0x23U, 0x03U, 0x26U, 0x07U, 0x2AU, 0x03U
};
const uint8_t SCRAMBLE_TABLE_TX[] = {
0x00U, 0xF7U, 0x34U, 0x09U, 0x44U, 0x46U, 0xD7U, 0x06U, 0xB3U, 0x72U,
0xDEU, 0x42U, 0xF5U, 0xA5U, 0xD8U, 0xF1U, 0x87U, 0x7BU, 0x9AU, 0x04U,
0x22U, 0xA3U, 0x6BU, 0x83U, 0x59U, 0x39U, 0x6FU, 0xA1U, 0xFAU, 0x52U,
0xECU, 0xF8U, 0xC3U, 0x3DU, 0x4DU, 0x02U, 0x91U, 0xD1U, 0xB5U, 0xC1U,
0xACU, 0x9CU, 0xB7U, 0x50U, 0x7DU, 0x29U, 0x76U, 0xFCU, 0xE1U, 0x9EU,
0x26U, 0x81U, 0xC8U, 0xE8U, 0xDAU, 0x60U, 0x56U, 0xCEU, 0x5BU, 0xA8U,
0xBEU, 0x14U, 0x3BU, 0xFEU, 0x70U, 0x4FU, 0x93U, 0x40U, 0x64U, 0x74U,
0x6DU, 0x30U, 0x2BU, 0xE7U, 0x2DU, 0x54U, 0x5FU, 0x8AU, 0x1DU, 0x7FU,
0xB8U, 0xA7U, 0x49U, 0x20U, 0x32U, 0xBAU, 0x36U, 0x98U, 0x95U, 0xF3U,
0x06U};
const uint8_t DSTAR_HEADER = 0x00U;
const uint8_t DSTAR_DATA = 0x01U;
const uint8_t DSTAR_EOT = 0x02U;
CDStarTX::CDStarTX() :
m_buffer(),
m_poBuffer(),
m_poLen(0U),
m_poPtr(0U),
m_txDelay(60U), // 100ms
m_count(0U)
{
}
void CDStarTX::process()
{
if (m_buffer.getData() == 0U && m_poLen == 0U)
return;
uint8_t type = m_buffer.peek();
if (type == DSTAR_HEADER && m_poLen == 0U) {
if (!m_tx) {
m_delay = true;
m_count = 0U;
m_poLen = m_txDelay;
} else {
m_delay = false;
// Pop the type byte off
m_buffer.get();
uint8_t header[DSTAR_HEADER_LENGTH_BYTES];
for (uint8_t i = 0U; i < DSTAR_HEADER_LENGTH_BYTES; i++)
header[i] = m_buffer.get();
uint8_t buffer[86U];
txHeader(header, buffer + 2U);
buffer[0U] = FRAME_SYNC[0U];
buffer[1U] = FRAME_SYNC[1U];
buffer[2U] |= FRAME_SYNC[2U];
for (uint8_t i = 0U; i < 85U; i++)
m_poBuffer[m_poLen++] = buffer[i];
}
m_poPtr = 0U;
}
if (type == DSTAR_DATA && m_poLen == 0U) {
m_delay = false;
if (!m_tx)
m_count = 0U;
// Pop the type byte off
m_buffer.get();
for (uint8_t i = 0U; i < DSTAR_DATA_LENGTH_BYTES; i++)
m_poBuffer[m_poLen++] = m_buffer.get();
m_poPtr = 0U;
}
if (type == DSTAR_EOT && m_poLen == 0U) {
m_delay = false;
// Pop the type byte off
m_buffer.get();
for (uint8_t j = 0U; j < 3U; j++) {
for (uint8_t i = 0U; i < DSTAR_EOT_LENGTH_BYTES; i++)
m_poBuffer[m_poLen++] = DSTAR_EOT_BYTES[i];
}
m_poPtr = 0U;
}
if (m_poLen > 0U) {
uint16_t space = io.getSpace();
while (space > 8U) {
if (m_delay) {
m_poPtr++;
writeByte(BIT_SYNC);
}
else
writeByte(m_poBuffer[m_poPtr++]);
space -= 8U;
if (m_poPtr >= m_poLen) {
m_poPtr = 0U;
m_poLen = 0U;
m_delay = false;
return;
}
}
}
}
uint8_t CDStarTX::writeHeader(const uint8_t* header, uint8_t length)
{
if (length != DSTAR_HEADER_LENGTH_BYTES)
return 4U;
uint16_t space = m_buffer.getSpace();
if (space < (DSTAR_HEADER_LENGTH_BYTES + 1U)) {
DEBUG2("DStarTX: header space available", space);
return 5U;
}
m_buffer.put(DSTAR_HEADER);
for (uint8_t i = 0U; i < DSTAR_HEADER_LENGTH_BYTES; i++)
m_buffer.put(header[i]);
return 0U;
}
uint8_t CDStarTX::writeData(const uint8_t* data, uint8_t length)
{
if (length != DSTAR_DATA_LENGTH_BYTES)
return 4U;
uint16_t space = m_buffer.getSpace();
if (space < (DSTAR_DATA_LENGTH_BYTES + 1U)) {
DEBUG2("DStarTX: data space available", space);
return 5U;
}
m_buffer.put(DSTAR_DATA);
for (uint8_t i = 0U; i < DSTAR_DATA_LENGTH_BYTES; i++)
m_buffer.put(data[i]);
return 0U;
}
uint8_t CDStarTX::writeEOT()
{
uint16_t space = m_buffer.getSpace();
if (space < 1U) {
DEBUG2("DStarTX: EOT space available", space);
return 5U;
}
m_buffer.put(DSTAR_EOT);
return 0U;
}
void CDStarTX::txHeader(const uint8_t* in, uint8_t* out) const
{
uint8_t intermediate[84U];
uint32_t i;
for (i = 0U; i < 83U; i++) {
intermediate[i] = 0x00U;
out[i] = 0x00U;
}
// Convolve the header
uint8_t d, d1 = 0U, d2 = 0U, g0, g1;
uint32_t k = 0U;
for (i = 0U; i < 42U; i++) {
for (uint8_t j = 0U; j < 8U; j++) {
uint8_t mask = (0x01U << j);
d = 0U;
if (in[i] & mask)
d = 1U;
g0 = (d + d2) & 1;
g1 = (d + d1 + d2) & 1;
d2 = d1;
d1 = d;
if (g1)
intermediate[k >> 3] |= BIT_MASK_TABLE[k & 7];
k++;
if (g0)
intermediate[k >> 3] |= BIT_MASK_TABLE[k & 7];
k++;
}
}
// Interleave the header
i = 0U;
while (i < 660U) {
unsigned char d = intermediate[i >> 3];
if (d & 0x80U)
out[INTERLEAVE_TABLE_TX[i * 2U]] |= (0x01U << INTERLEAVE_TABLE_TX[i * 2U + 1U]);
i++;
if (d & 0x40U)
out[INTERLEAVE_TABLE_TX[i * 2U]] |= (0x01U << INTERLEAVE_TABLE_TX[i * 2U + 1U]);
i++;
if (d & 0x20U)
out[INTERLEAVE_TABLE_TX[i * 2U]] |= (0x01U << INTERLEAVE_TABLE_TX[i * 2U + 1U]);
i++;
if (d & 0x10U)
out[INTERLEAVE_TABLE_TX[i * 2U]] |= (0x01U << INTERLEAVE_TABLE_TX[i * 2U + 1U]);
i++;
if (i < 660U) {
if (d & 0x08U)
out[INTERLEAVE_TABLE_TX[i * 2U]] |= (0x01U << INTERLEAVE_TABLE_TX[i * 2U + 1U]);
i++;
if (d & 0x04U)
out[INTERLEAVE_TABLE_TX[i * 2U]] |= (0x01U << INTERLEAVE_TABLE_TX[i * 2U + 1U]);
i++;
if (d & 0x02U)
out[INTERLEAVE_TABLE_TX[i * 2U]] |= (0x01U << INTERLEAVE_TABLE_TX[i * 2U + 1U]);
i++;
if (d & 0x01U)
out[INTERLEAVE_TABLE_TX[i * 2U]] |= (0x01U << INTERLEAVE_TABLE_TX[i * 2U + 1U]);
i++;
}
}
// Scramble the header
for (i = 0U; i < 83U; i++)
out[i] ^= SCRAMBLE_TABLE_TX[i];
}
void CDStarTX::writeByte(uint8_t c)
{
uint8_t bit;
uint8_t mask = 0x01U;
for (uint8_t i = 0U; i < 8U; i++) {
if ((c & mask) == mask)
bit = 1U;
else
bit = 0U;
io.write(&bit, 1);
mask <<= 1;
}
}
void CDStarTX::setTXDelay(uint8_t delay)
{
m_txDelay = 150U + uint16_t(delay) * 6U; // 250ms + tx delay
}
uint16_t CDStarTX::getSpace() const
{
return m_buffer.getSpace() / (DSTAR_DATA_LENGTH_BYTES + 1U);
}

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(DSTARTX_H)
#define DSTARTX_H
#include "SerialRB.h"
class CDStarTX {
public:
CDStarTX();
uint8_t writeHeader(const uint8_t* header, uint8_t length);
uint8_t writeData(const uint8_t* data, uint8_t length);
uint8_t writeEOT();
void process();
void setTXDelay(uint8_t delay);
uint16_t getSpace() const;
private:
CSerialRB m_buffer;
uint8_t m_poBuffer[90U];
uint16_t m_poLen;
uint16_t m_poPtr;
uint16_t m_txDelay; // In bytes
uint32_t m_count;
bool m_delay;
void txHeader(const uint8_t* in, uint8_t* out) const;
void writeByte(uint8_t c);
};
#endif

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(DEBUG_H)
#define DEBUG_H
#if defined(WANT_DEBUG)
#include "Globals.h"
#define DEBUG1(a) serial.writeDebug((a))
#define DEBUG2(a,b) serial.writeDebug((a),(b))
#define DEBUG3(a,b,c) serial.writeDebug((a),(b),(c))
#define DEBUG4(a,b,c,d) serial.writeDebug((a),(b),(c),(d))
#define DEBUG5(a,b,c,d,e) serial.writeDebug((a),(b),(c),(d),(e))
#define ASSERT(a) serial.writeAssert((a),#a,__FILE__,__LINE__)
#else
#define DEBUG1(a)
#define DEBUG2(a,b)
#define DEBUG3(a,b,c)
#define DEBUG4(a,b,c,d)
#define DEBUG5(a,b,c,d,e)
#define ASSERT(a)
#endif
#endif

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(GLOBALS_H)
#define GLOBALS_H
#if defined(STM32F10X_MD)
#include <stm32f10x.h>
#include "string.h"
#else
#include <Arduino.h>
#endif
enum MMDVM_STATE {
STATE_IDLE = 0,
STATE_DSTAR = 1,
STATE_DMR = 2,
STATE_YSF = 3,
STATE_P25 = 4
};
#include "IO.h"
#include "SerialPort.h"
#include "DMRDMORX.h"
#include "DMRDMOTX.h"
#include "DStarRX.h"
#include "DStarTX.h"
#include "YSFRX.h"
#include "YSFTX.h"
#include "P25RX.h"
#include "P25TX.h"
#include "Debug.h"
const uint16_t TX_RINGBUFFER_SIZE = 100U;
const uint16_t RX_RINGBUFFER_SIZE = 120U;
extern MMDVM_STATE m_modemState;
extern bool m_dstarEnable;
extern bool m_dmrEnable;
extern bool m_ysfEnable;
extern bool m_p25Enable;
extern bool m_tx;
extern bool m_dcd;
extern CIO io;
extern CSerialPort serial;
extern CDStarRX dstarRX;
extern CDStarTX dstarTX;
extern CDMRDMORX dmrDMORX;
extern CDMRDMOTX dmrDMOTX;
extern CYSFRX ysfRX;
extern CYSFTX ysfTX;
extern CP25RX p25RX;
extern CP25TX p25TX;
#endif

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/*
* Copyright (C) 2015, 2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016, 2017 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#include "Globals.h"
#include "IO.h"
#if defined(ADF7021)
#include "ADF7021.h"
#endif
uint32_t m_frequency_rx;
uint32_t m_frequency_tx;
uint8_t m_power;
CIO::CIO():
m_started(false),
m_rxBuffer(RX_RINGBUFFER_SIZE),
m_txBuffer(TX_RINGBUFFER_SIZE)
{
Init();
LED_pin(HIGH);
PTT_pin(LOW);
DSTAR_pin(LOW);
DMR_pin(LOW);
YSF_pin(LOW);
P25_pin(LOW);
COS_pin(LOW);
DEB_pin(LOW);
TXD_pin(LOW);
SCLK_pin(LOW);
SDATA_pin(LOW);
SLE_pin(LOW);
}
void CIO::process()
{
uint8_t bit;
// Switch off the transmitter if needed
if (m_txBuffer.getData() == 0U && m_tx) {
m_tx = false;
setRX();
}
if (m_rxBuffer.getData() >= 1U) {
m_rxBuffer.get(bit);
if(m_dstarEnable)
dstarRX.databit(bit);
else if(m_dmrEnable)
dmrDMORX.databit(bit);
else if(m_ysfEnable)
ysfRX.databit(bit);
else if(m_p25Enable)
p25RX.databit(bit);
}
}
void CIO::interrupt()
{
uint8_t bit = 0;
if(m_tx) {
m_txBuffer.get(bit);
if(bit)
TXD_pin(HIGH);
else
TXD_pin(LOW);
} else {
if(RXD_pin())
bit = 1;
else
bit = 0;
m_rxBuffer.put(bit);
}
}
void CIO::write(uint8_t* data, uint16_t length)
{
if (!m_started)
return;
for (uint16_t i = 0U; i < length; i++)
m_txBuffer.put(data[i]);
// Switch the transmitter on if needed
if (!m_tx) {
setTX();
m_tx = true;
}
}
uint16_t CIO::getSpace() const
{
return m_txBuffer.getSpace();
}
bool CIO::hasTXOverflow()
{
return m_txBuffer.hasOverflowed();
}
bool CIO::hasRXOverflow()
{
return m_rxBuffer.hasOverflowed();
}
uint8_t CIO::setFreq(uint32_t frequency_rx, uint32_t frequency_tx)
{
// power level
m_power = 0x20;
if( !( ((frequency_rx >= VHF_MIN)&&(frequency_rx < VHF_MAX)) || ((frequency_tx >= VHF_MIN)&&(frequency_tx < VHF_MAX)) || \
((frequency_rx >= UHF_MIN)&&(frequency_rx < UHF_MAX)) || ((frequency_tx >= UHF_MIN)&&(frequency_tx < UHF_MAX)) ) )
return 4U;
m_frequency_rx = frequency_rx;
m_frequency_tx = frequency_tx;
return 0U;
}
void CIO::setMode()
{
DSTAR_pin(m_modemState == STATE_DSTAR);
DMR_pin(m_modemState == STATE_DMR);
YSF_pin(m_modemState == STATE_YSF);
P25_pin(m_modemState == STATE_P25);
}
void CIO::setDecode(bool dcd)
{
if (dcd != m_dcd)
COS_pin(dcd ? true : false);
m_dcd = dcd;
}

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/*
* Copyright (C) 2015, 2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016, 2017 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(CIO_H)
#define CIO_H
#include "Globals.h"
#include "BitRB.h"
#define LOW 0
#define HIGH 1
#define VHF_MIN 144000000
#define VHF_MAX 148000000
#define UHF_MIN 430000000
#define UHF_MAX 450000000
extern uint32_t m_frequency_rx;
extern uint32_t m_frequency_tx;
extern uint8_t m_power;
class CIO {
public:
CIO();
// Platform API
void Init(void);
void SCLK_pin(bool on);
void SDATA_pin(bool on);
void SLE_pin(bool on);
bool RXD_pin();
void TXD_pin(bool on);
void PTT_pin(bool on);
void LED_pin(bool on);
void DEB_pin(bool on);
void DSTAR_pin(bool on);
void DMR_pin(bool on);
void YSF_pin(bool on);
void P25_pin(bool on);
void COS_pin(bool on);
void interrupt(void);
// IO API
void write(uint8_t* data, uint16_t length);
uint16_t getSpace() const;
void process();
bool hasTXOverflow();
bool hasRXOverflow();
uint8_t setFreq(uint32_t frequency_rx, uint32_t frequency_tx);
void setMode();
void setDecode(bool dcd);
// RF interface API
void setTX();
void setRX();
void ifConf();
void ifInit();
private:
bool m_started;
CBitRB m_rxBuffer;
CBitRB m_txBuffer;
void delay_rx(void);
};
#endif

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/*
* Copyright (C) 2015, 2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016, 2017 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#include "Globals.h"
#include "IO.h"
#if defined(ARDUINO)
#if defined (__STM32F1__)
// STM32F1 pin definitions, using STM32duino
#define PIN_SCLK PB5
#define PIN_SREAD PB7
#define PIN_SDATA PB6
#define PIN_SLE PB8
#define PIN_RXD PB4
#define PIN_TXD PB3
#define PIN_TXRX_CLK PA15
#define PIN_LED PC13
#define PIN_DEB PB9
#define PIN_DSTAR_LED PB12
#define PIN_DMR_LED PB13
#define PIN_YSF_LED PB1
#define PIN_P25_LED PB0
#define PIN_PTT_LED PB14
#define PIN_COS_LED PB15
#else
// Arduino pin definitions (Due and Zero)
#define PIN_SCLK 3
#define PIN_SDATA 4 // 2 in Arduino Zero Pro
#define PIN_SREAD 5
#define PIN_SLE 6
#define PIN_RXD 7
#define PIN_TXD 8
#define PIN_TXRX_CLK 2 // 4 in Arduino Zero Pro
#define PIN_LED 13
#define PIN_DEB 11
#define PIN_DSTAR_LED 14
#define PIN_DMR_LED 15
#define PIN_YSF_LED 16
#define PIN_P25_LED 17
#define PIN_PTT_LED 9
#define PIN_COS_LED 10
#endif
extern "C" {
void EXT_IRQHandler(void) {
io.interrupt();
}
}
void CIO::delay_rx() {
delayMicroseconds(1);
}
void CIO::Init()
{
#if defined (__STM32F1__)
afio_cfg_debug_ports(AFIO_DEBUG_SW_ONLY);
#endif
pinMode(PIN_SCLK, OUTPUT);
pinMode(PIN_SDATA, OUTPUT);
pinMode(PIN_SLE, OUTPUT);
pinMode(PIN_RXD, INPUT);
pinMode(PIN_TXD, OUTPUT);
pinMode(PIN_TXRX_CLK, INPUT);
pinMode(PIN_LED, OUTPUT);
pinMode(PIN_DEB, OUTPUT);
pinMode(PIN_DSTAR_LED, OUTPUT);
pinMode(PIN_DMR_LED, OUTPUT);
pinMode(PIN_YSF_LED, OUTPUT);
pinMode(PIN_P25_LED, OUTPUT);
pinMode(PIN_PTT_LED, OUTPUT);
pinMode(PIN_COS_LED, OUTPUT);
}
void CIO::ifInit()
{
m_started = true;
#if defined (__STM32F1__)
attachInterrupt(PIN_TXRX_CLK, EXT_IRQHandler, RISING);
#else
attachInterrupt(digitalPinToInterrupt(PIN_TXRX_CLK), EXT_IRQHandler, RISING);
#endif
ifConf();
delay_rx();;
setRX();
}
void CIO::SCLK_pin(bool on)
{
digitalWrite(PIN_SCLK, on ? HIGH : LOW);
}
void CIO::SDATA_pin(bool on)
{
digitalWrite(PIN_SDATA, on ? HIGH : LOW);
}
void CIO::SLE_pin(bool on)
{
digitalWrite(PIN_SLE, on ? HIGH : LOW);
}
bool CIO::RXD_pin()
{
return digitalRead(PIN_RXD) == HIGH;
}
void CIO::TXD_pin(bool on)
{
digitalWrite(PIN_TXD, on ? HIGH : LOW);
}
void CIO::LED_pin(bool on)
{
digitalWrite(PIN_LED, on ? HIGH : LOW);
}
void CIO::DEB_pin(bool on)
{
digitalWrite(PIN_DEB, on ? HIGH : LOW);
}
void CIO::DSTAR_pin(bool on)
{
digitalWrite(PIN_DSTAR_LED, on ? HIGH : LOW);
}
void CIO::DMR_pin(bool on)
{
digitalWrite(PIN_DMR_LED, on ? HIGH : LOW);
}
void CIO::YSF_pin(bool on)
{
digitalWrite(PIN_YSF_LED, on ? HIGH : LOW);
}
void CIO::P25_pin(bool on)
{
digitalWrite(PIN_P25_LED, on ? HIGH : LOW);
}
void CIO::PTT_pin(bool on)
{
digitalWrite(PIN_PTT_LED, on ? HIGH : LOW);
}
void CIO::COS_pin(bool on)
{
digitalWrite(PIN_COS_LED, on ? HIGH : LOW);
}
#endif

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/*
* Copyright (C) 2016 by Jim McLaughlin KI6ZUM
* Copyright (C) 2016, 2017 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#if defined(STM32F10X_MD)
#include "Globals.h"
#include "IO.h"
#define PIN_SCLK GPIO_Pin_5
#define PORT_SCLK GPIOB
#define PIN_SREAD GPIO_Pin_7
#define PORT_SREAD GPIOB
#define PIN_SDATA GPIO_Pin_6
#define PORT_SDATA GPIOB
#define PIN_SLE GPIO_Pin_8
#define PORT_SLE GPIOB
#define PIN_RXD GPIO_Pin_4
#define PORT_RXD GPIOB
#define PIN_TXD GPIO_Pin_3
#define PORT_TXD GPIOB
#define PIN_TXRX_CLK GPIO_Pin_15
#define PORT_TXRX_CLK GPIOA
#define PIN_TXRX_CLK_INT GPIO_PinSource15
#define PORT_TXRX_CLK_INT GPIO_PortSourceGPIOA
#define PIN_LED GPIO_Pin_13
#define PORT_LED GPIOC
#define PIN_DEB GPIO_Pin_9
#define PORT_DEB GPIOB
#define PIN_DSTAR_LED GPIO_Pin_12
#define PORT_DSTAR_LED GPIOB
#define PIN_DMR_LED GPIO_Pin_13
#define PORT_DMR_LED GPIOB
#define PIN_YSF_LED GPIO_Pin_1
#define PORT_YSF_LED GPIOB
#define PIN_P25_LED GPIO_Pin_0
#define PORT_P25_LED GPIOB
#define PIN_PTT_LED GPIO_Pin_14
#define PORT_PTT_LED GPIOB
#define PIN_COS_LED GPIO_Pin_15
#define PORT_COS_LED GPIOB
extern "C" {
void EXTI15_10_IRQHandler(void) {
if(EXTI_GetITStatus(EXTI_Line15)!=RESET) {
io.interrupt();
EXTI_ClearITPendingBit(EXTI_Line15);
}
}
}
void CIO::delay_rx() {
volatile unsigned int delay;
for(delay = 0;delay<512;delay++);
}
void CIO::Init()
{
// USB Conf IO:
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC | RCC_APB2Periph_AFIO, ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
RCC_USBCLKConfig(RCC_USBCLKSource_PLLCLK_1Div5);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USB, ENABLE);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_StructInit(&GPIO_InitStruct);
// Pin PA12 = LOW, USB Reset in generic boards
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_WriteBit(GPIOA, GPIO_Pin_12, Bit_RESET);
volatile unsigned int delay;
for(delay = 0;delay<512;delay++);
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_12;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStruct);
// Pin SCLK
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_SCLK;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_SCLK, &GPIO_InitStruct);
// Pin SDATA
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_SDATA;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_SDATA, &GPIO_InitStruct);
// Pin SLE
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_SLE;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_SLE, &GPIO_InitStruct);
// Pin RXD
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_RXD;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(PORT_RXD, &GPIO_InitStruct);
// Pin TXD
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_TXD;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_TXD, &GPIO_InitStruct);
// Pin TXRX_CLK
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_TXRX_CLK;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(PORT_TXRX_CLK, &GPIO_InitStruct);
// Pin LED
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_LED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_LED, &GPIO_InitStruct);
// Pin Debug
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_DEB;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_DEB, &GPIO_InitStruct);
// D-Star LED
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_DSTAR_LED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_DSTAR_LED, &GPIO_InitStruct);
// DMR LED
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_DMR_LED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_DMR_LED, &GPIO_InitStruct);
// YSF LED
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_YSF_LED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_YSF_LED, &GPIO_InitStruct);
// P25 LED
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_P25_LED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_P25_LED, &GPIO_InitStruct);
// PTT LED
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_PTT_LED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_PTT_LED, &GPIO_InitStruct);
// COS LED
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_Pin = PIN_COS_LED;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(PORT_COS_LED, &GPIO_InitStruct);
}
void CIO::ifInit()
{
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
m_started = true;
// Connect EXTI15 Line
GPIO_EXTILineConfig(PORT_TXRX_CLK_INT, PIN_TXRX_CLK_INT);
// Configure EXTI15 line
EXTI_InitStructure.EXTI_Line = EXTI_Line15;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
// Enable and set EXTI15 Interrupt
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
ifConf();
delay_rx();;
setRX();
}
void CIO::SCLK_pin(bool on)
{
GPIO_WriteBit(PORT_SCLK, PIN_SCLK, on ? Bit_SET : Bit_RESET);
}
void CIO::SDATA_pin(bool on)
{
GPIO_WriteBit(PORT_SDATA, PIN_SDATA, on ? Bit_SET : Bit_RESET);
}
void CIO::SLE_pin(bool on)
{
GPIO_WriteBit(PORT_SLE, PIN_SLE, on ? Bit_SET : Bit_RESET);
}
bool CIO::RXD_pin()
{
return GPIO_ReadInputDataBit(PORT_RXD, PIN_RXD) == Bit_SET;
}
void CIO::TXD_pin(bool on)
{
GPIO_WriteBit(PORT_TXD, PIN_TXD, on ? Bit_SET : Bit_RESET);
}
void CIO::LED_pin(bool on)
{
GPIO_WriteBit(PORT_LED, PIN_LED, on ? Bit_SET : Bit_RESET);
}
void CIO::DEB_pin(bool on)
{
GPIO_WriteBit(PORT_DEB, PIN_DEB, on ? Bit_SET : Bit_RESET);
}
void CIO::DSTAR_pin(bool on)
{
GPIO_WriteBit(PORT_DSTAR_LED, PIN_DSTAR_LED, on ? Bit_SET : Bit_RESET);
}
void CIO::DMR_pin(bool on)
{
GPIO_WriteBit(PORT_DMR_LED, PIN_DMR_LED, on ? Bit_SET : Bit_RESET);
}
void CIO::YSF_pin(bool on)
{
GPIO_WriteBit(PORT_YSF_LED, PIN_YSF_LED, on ? Bit_SET : Bit_RESET);
}
void CIO::P25_pin(bool on)
{
GPIO_WriteBit(PORT_P25_LED, PIN_P25_LED, on ? Bit_SET : Bit_RESET);
}
void CIO::PTT_pin(bool on)
{
GPIO_WriteBit(PORT_PTT_LED, PIN_PTT_LED, on ? Bit_SET : Bit_RESET);
}
void CIO::COS_pin(bool on)
{
GPIO_WriteBit(PORT_COS_LED, PIN_COS_LED, on ? Bit_SET : Bit_RESET);
}
#endif

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GNU GENERAL PUBLIC LICENSE
Version 2, June 1991
Copyright (C) 1989, 1991 Free Software Foundation, Inc.
51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
Preamble
The licenses for most software are designed to take away your
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License is intended to guarantee your freedom to share and change free
software--to make sure the software is free for all its users. This
General Public License applies to most of the Free Software
Foundation's software and to any other program whose authors commit to
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When we speak of free software, we are referring to freedom, not
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The precise terms and conditions for copying, distribution and
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It is not the purpose of this section to induce you to infringe any
patents or other property right claims or to contest validity of any
such claims; this section has the sole purpose of protecting the
integrity of the free software distribution system, which is
implemented by public license practices. Many people have made
generous contributions to the wide range of software distributed
through that system in reliance on consistent application of that
system; it is up to the author/donor to decide if he or she is willing
to distribute software through any other system and a licensee cannot
impose that choice.
This section is intended to make thoroughly clear what is believed to
be a consequence of the rest of this License.
8. If the distribution and/or use of the Program is restricted in
certain countries either by patents or by copyrighted interfaces, the
original copyright holder who places the Program under this License
may add an explicit geographical distribution limitation excluding
those countries, so that distribution is permitted only in or among
countries not thus excluded. In such case, this License incorporates
the limitation as if written in the body of this License.
9. The Free Software Foundation may publish revised and/or new versions
of the General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies a version number of this License which applies to it and "any
later version", you have the option of following the terms and conditions
either of that version or of any later version published by the Free
Software Foundation. If the Program does not specify a version number of
this License, you may choose any version ever published by the Free Software
Foundation.
10. If you wish to incorporate parts of the Program into other free
programs whose distribution conditions are different, write to the author
to ask for permission. For software which is copyrighted by the Free
Software Foundation, write to the Free Software Foundation; we sometimes
make exceptions for this. Our decision will be guided by the two goals
of preserving the free status of all derivatives of our free software and
of promoting the sharing and reuse of software generally.
NO WARRANTY
11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
REPAIR OR CORRECTION.
12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
convey the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
school, if any, to sign a "copyright disclaimer" for the program, if
necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016 by Mathis Schmieder DB9MAT
* Copyright (C) 2016 by Colin Durbridge G4EML
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#if defined(STM32F10X_MD)
#include "Globals.h"
// Global variables
MMDVM_STATE m_modemState = STATE_IDLE;
bool m_dstarEnable = true;
bool m_dmrEnable = true;
bool m_ysfEnable = true;
bool m_p25Enable = true;
bool m_tx = false;
bool m_dcd = false;
CDStarRX dstarRX;
CDStarTX dstarTX;
CDMRDMORX dmrDMORX;
CDMRDMOTX dmrDMOTX;
CYSFRX ysfRX;
CYSFTX ysfTX;
CP25RX p25RX;
CP25TX p25TX;
CSerialPort serial;
CIO io;
void setup()
{
serial.start();
}
void loop()
{
io.process();
serial.process();
// The following is for transmitting
if (m_dstarEnable && m_modemState == STATE_DSTAR)
dstarTX.process();
if (m_dmrEnable && m_modemState == STATE_DMR)
dmrDMOTX.process();
if (m_ysfEnable && m_modemState == STATE_YSF)
ysfTX.process();
if (m_p25Enable && m_modemState == STATE_P25)
p25TX.process();
}
int main()
{
setup();
for (;;)
loop();
}
#endif

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016 by Colin Durbridge G4EML
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#include "Globals.h"
// Global variables
MMDVM_STATE m_modemState = STATE_IDLE;
bool m_dstarEnable = true;
bool m_dmrEnable = true;
bool m_ysfEnable = true;
bool m_p25Enable = true;
bool m_tx = false;
bool m_dcd = false;
CDStarRX dstarRX;
CDStarTX dstarTX;
CDMRDMORX dmrDMORX;
CDMRDMOTX dmrDMOTX;
CYSFRX ysfRX;
CYSFTX ysfTX;
CP25RX p25RX;
CP25TX p25TX;
CSerialPort serial;
CIO io;
void setup()
{
serial.start();
}
void loop()
{
serial.process();
io.process();
// The following is for transmitting
if (m_dstarEnable && m_modemState == STATE_DSTAR)
dstarTX.process();
if (m_dmrEnable && m_modemState == STATE_DMR)
dmrDMOTX.process();
if (m_ysfEnable && m_modemState == STATE_YSF)
ysfTX.process();
if (m_p25Enable && m_modemState == STATE_P25)
p25TX.process();
}

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# Copyright (C) 2016 by Andy Uribe CA6JAU
# Copyright (C) 2016 by Jim McLaughlin KI6ZUM
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# GNU ARM Embedded Toolchain
CC=arm-none-eabi-gcc
CXX=arm-none-eabi-g++
LD=arm-none-eabi-ld
AR=arm-none-eabi-ar
AS=arm-none-eabi-as
CP=arm-none-eabi-objcopy
OD=arm-none-eabi-objdump
NM=arm-none-eabi-nm
SIZE=arm-none-eabi-size
A2L=arm-none-eabi-addr2line
# Directory Structure
BINDIR=bin
# Find source files
# "SystemRoot" is only defined in Windows
ifdef SYSTEMROOT
ASOURCES=$(shell dir /S /B *.s)
CSOURCES=$(shell dir /S /B *.c)
CXXSOURCES=$(shell dir /S /B *.cpp)
CLEANCMD=del /S *.o *.hex *.bin *.elf
MDBIN=md $@
else ifdef SystemRoot
ASOURCES=$(shell dir /S /B *.s)
CSOURCES=$(shell dir /S /B *.c)
CXXSOURCES=$(shell dir /S /B *.cpp)
CLEANCMD=del /S *.o *.hex *.bin *.elf
MDBIN=md $@
else
ASOURCES=$(shell find . -name '*.s')
CSOURCES=$(shell find . -name '*.c')
CXXSOURCES=$(shell find . -name '*.cpp')
CLEANCMD=rm -f $(OBJECTS) $(BINDIR)/$(BINELF) $(BINDIR)/$(BINHEX) $(BINDIR)/$(BINBIN)
MDBIN=mkdir $@
endif
# Default reference oscillator frequencies
ifndef $(OSC)
OSC=8000000
endif
# Find header directories
INC= . STM32F10X_Lib/CMSIS/ STM32F10X_Lib/Device/ STM32F10X_Lib/STM32F10x_StdPeriph_Driver/inc/ STM32F10X_Lib/usb/inc/
INCLUDES=$(INC:%=-I%)
# Find libraries
INCLUDES_LIBS=
LINK_LIBS=
# Create object list
OBJECTS=$(ASOURCES:%.s=%.o)
OBJECTS+=$(CSOURCES:%.c=%.o)
OBJECTS+=$(CXXSOURCES:%.cpp=%.o)
# Define output files ELF & IHEX
BINELF=outp.elf
BINHEX=outp.hex
BINBIN=outp.bin
# MCU FLAGS
MCFLAGS=-mcpu=cortex-m3 -mthumb -Wall
# COMPILE FLAGS
DEFS_HS=-DUSE_STDPERIPH_DRIVER -DSTM32F10X_MD -DHSE_VALUE=$(OSC)
CFLAGS=-c $(MCFLAGS) $(INCLUDES)
CXXFLAGS=-c $(MCFLAGS) $(INCLUDES)
# LINKER FLAGS
LDSCRIPT=stm32f10x_link.ld
LDFLAGS =-T $(LDSCRIPT) $(MCFLAGS) --specs=nosys.specs $(INCLUDES_LIBS) $(LINK_LIBS)
# Build Rules
.PHONY: all release hs debug clean
all: hs
hs: CFLAGS+=$(DEFS_HS) -Os -ffunction-sections -fdata-sections -fno-builtin -Wno-implicit -DCUSTOM_NEW -DNO_EXCEPTIONS
hs: CXXFLAGS+=$(DEFS_HS) -Os -fno-exceptions -ffunction-sections -fdata-sections -fno-builtin -fno-rtti -DCUSTOM_NEW -DNO_EXCEPTIONS
hs: LDFLAGS+=-Os --specs=nano.specs
hs: release
debug: CFLAGS+=-g
debug: CXXFLAGS+=-g
debug: LDFLAGS+=-g
debug: release
release: $(BINDIR)
release: $(BINDIR)/$(BINHEX)
release: $(BINDIR)/$(BINBIN)
$(BINDIR):
$(MDBIN)
$(BINDIR)/$(BINHEX): $(BINDIR)/$(BINELF)
$(CP) -O ihex $< $@
@echo "Objcopy from ELF to IHEX complete!\n"
$(BINDIR)/$(BINBIN): $(BINDIR)/$(BINELF)
$(CP) -O binary $< $@
@echo "Objcopy from ELF to BINARY complete!\n"
$(BINDIR)/$(BINELF): $(OBJECTS)
$(CXX) $(OBJECTS) $(LDFLAGS) -o $@
@echo "Linking complete!\n"
$(SIZE) $(BINDIR)/$(BINELF)
%.o: %.cpp
$(CXX) $(CXXFLAGS) $< -o $@
@echo "Compiled "$<"!\n"
%.o: %.c
$(CC) $(CFLAGS) $< -o $@
@echo "Compiled "$<"!\n"
%.o: %.s
$(CC) $(CFLAGS) $< -o $@
@echo "Assambled "$<"!\n"
clean:
$(CLEANCMD)
stlink:
ifneq ($(wildcard /usr/bin/openocd),)
/usr/bin/openocd -f /usr/share/openocd/scripts/interface/stlink-v2-1.cfg -f /usr/share/openocd/scripts/target/stm32f1x.cfg -c "program bin/$(BINELF) verify reset exit"
endif
ifneq ($(wildcard /usr/local/bin/openocd),)
/usr/local/bin/openocd -f /usr/local/share/openocd/scripts/interface/stlink-v2-1.cfg -f /usr/local/share/openocd/scripts/target/stm32f1x.cfg -c "program bin/$(BINELF) verify reset exit"
endif
ifneq ($(wildcard /opt/openocd/bin/openocd),)
/opt/openocd/bin/openocd -f /opt/openocd/scripts/interface/stlink-v2-1.cfg -f /opt/openocd/share/openocd/scripts/target/stm32f1x.cfg -c "program bin/$(BINELF) verify reset exit"
endif
serial:
ifneq ($(wildcard /usr/local/bin/stm32flash),)
/usr/local/bin/stm32flash -w bin/$(BINBIN) -g 0x0 $(devser)
endif

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/*
* Copyright (C) 2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(P25DEFINES_H)
#define P25DEFINES_H
const unsigned int P25_HDR_FRAME_LENGTH_BYTES = 99U;
const unsigned int P25_HDR_FRAME_LENGTH_BITS = P25_HDR_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_HDR_FRAME_LENGTH_SYMBOLS = P25_HDR_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_LDU_FRAME_LENGTH_BYTES = 216U;
const unsigned int P25_LDU_FRAME_LENGTH_BITS = P25_LDU_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_LDU_FRAME_LENGTH_SYMBOLS = P25_LDU_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_TERMLC_FRAME_LENGTH_BYTES = 54U;
const unsigned int P25_TERMLC_FRAME_LENGTH_BITS = P25_TERMLC_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_TERMLC_FRAME_LENGTH_SYMBOLS = P25_TERMLC_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_TERM_FRAME_LENGTH_BYTES = 18U;
const unsigned int P25_TERM_FRAME_LENGTH_BITS = P25_TERM_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_TERM_FRAME_LENGTH_SYMBOLS = P25_TERM_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_SYNC_LENGTH_BYTES = 6U;
const unsigned int P25_SYNC_LENGTH_BITS = P25_SYNC_LENGTH_BYTES * 8U;
const unsigned int P25_SYNC_LENGTH_SYMBOLS = P25_SYNC_LENGTH_BYTES * 4U;
const unsigned int P25_NID_LENGTH_BITS = 64U;
const unsigned int P25_NID_LENGTH_SYMBOLS = 32U;
const uint8_t P25_SYNC_BYTES[] = {0x55U, 0x75U, 0xF5U, 0xFFU, 0x77U, 0xFFU};
const uint8_t P25_SYNC_BYTES_LENGTH = 6U;
const uint64_t P25_SYNC_BITS = 0x00005575F5FF77FFU;
const uint64_t P25_SYNC_BITS_MASK = 0x0000FFFFFFFFFFFFU;
// 5 5 7 5 F 5 F F 7 7 F F
// 01 01 01 01 01 11 01 01 11 11 01 01 11 11 11 11 01 11 01 11 11 11 11 11
// +3 +3 +3 +3 +3 -3 +3 +3 -3 -3 +3 +3 -3 -3 -3 -3 +3 -3 +3 -3 -3 -3 -3 -3
const uint32_t P25_SYNC_SYMBOLS = 0x00FB30A0U;
const uint32_t P25_SYNC_SYMBOLS_MASK = 0x00FFFFFFU;
#endif

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/*
* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// #define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
#include "P25RX.h"
#include "Utils.h"
const uint8_t SYNC_BIT_START_ERRS = 2U;
const uint8_t SYNC_BIT_RUN_ERRS = 4U;
const unsigned int MAX_SYNC_FRAMES = 3U + 1U;
const uint8_t BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U};
#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
CP25RX::CP25RX() :
m_prev(false),
m_state(P25RXS_NONE),
m_bitBuffer(0x00U),
m_outBuffer(),
m_buffer(NULL),
m_bufferPtr(0U),
m_lostCount(0U)
{
m_buffer = m_outBuffer + 1U;
}
void CP25RX::reset()
{
m_prev = false;
m_state = P25RXS_NONE;
m_bitBuffer = 0x00U;
m_bufferPtr = 0U;
m_lostCount = 0U;
}
void CP25RX::databit(bool bit)
{
if (m_state == P25RXS_NONE)
processNone(bit);
else
processData(bit);
}
void CP25RX::processNone(bool bit)
{
m_bitBuffer <<= 1;
if (bit)
m_bitBuffer |= 0x01U;
// Fuzzy matching of the data sync bit sequence
if (countBits64((m_bitBuffer & P25_SYNC_BITS_MASK) ^ P25_SYNC_BITS) <= SYNC_BIT_START_ERRS) {
DEBUG1("P25RX: sync found in None");
for (uint8_t i = 0U; i < P25_SYNC_LENGTH_BYTES; i++)
m_buffer[i] = P25_SYNC_BYTES[i];
m_lostCount = MAX_SYNC_FRAMES;
m_bufferPtr = P25_SYNC_LENGTH_BITS;
m_state = P25RXS_DATA;
io.setDecode(true);
}
}
void CP25RX::processData(bool bit)
{
m_bitBuffer <<= 1;
if (bit)
m_bitBuffer |= 0x01U;
WRITE_BIT1(m_buffer, m_bufferPtr, bit);
m_bufferPtr++;
// Search for an early sync to indicate an LDU following a header
if (m_bufferPtr >= (P25_HDR_FRAME_LENGTH_BITS + P25_SYNC_LENGTH_BITS - 1U) && m_bufferPtr <= (P25_HDR_FRAME_LENGTH_BITS + P25_SYNC_LENGTH_BITS + 1U)) {
// Fuzzy matching of the data sync bit sequence
if (countBits64((m_bitBuffer & P25_SYNC_BITS_MASK) ^ P25_SYNC_BITS) <= SYNC_BIT_RUN_ERRS) {
DEBUG2("P25RX: found LDU sync in Data, pos", m_bufferPtr - P25_SYNC_LENGTH_BITS);
m_outBuffer[0U] = 0x01U;
serial.writeP25Hdr(m_outBuffer, P25_HDR_FRAME_LENGTH_BYTES + 1U);
// Restore the sync that's now in the wrong place
for (uint8_t i = 0U; i < P25_SYNC_LENGTH_BYTES; i++)
m_buffer[i] = P25_SYNC_BYTES[i];
m_lostCount = MAX_SYNC_FRAMES;
m_bufferPtr = P25_SYNC_LENGTH_BITS;
}
}
// Only search for a sync in the right place +-2 symbols
if (m_bufferPtr >= (P25_SYNC_LENGTH_BITS - 2U) && m_bufferPtr <= (P25_SYNC_LENGTH_BITS + 2U)) {
// Fuzzy matching of the data sync bit sequence
if (countBits64((m_bitBuffer & P25_SYNC_BITS_MASK) ^ P25_SYNC_BITS) <= SYNC_BIT_RUN_ERRS) {
DEBUG2("P25RX: found sync in Data, pos", m_bufferPtr - P25_SYNC_LENGTH_BITS);
m_lostCount = MAX_SYNC_FRAMES;
m_bufferPtr = P25_SYNC_LENGTH_BITS;
}
}
// Send a data frame to the host if the required number of bits have been received
if (m_bufferPtr == P25_LDU_FRAME_LENGTH_BITS) {
// We've not seen a data sync for too long, signal RXLOST and change to RX_NONE
m_lostCount--;
if (m_lostCount == 0U) {
DEBUG1("P25RX: sync timed out, lost lock");
io.setDecode(false);
serial.writeP25Lost();
m_state = P25RXS_NONE;
} else {
m_outBuffer[0U] = m_lostCount == (MAX_SYNC_FRAMES - 1U) ? 0x01U : 0x00U;
serial.writeP25Ldu(m_outBuffer, P25_LDU_FRAME_LENGTH_BYTES + 1U);
// Start the next frame
::memset(m_outBuffer, 0x00U, P25_LDU_FRAME_LENGTH_BYTES + 3U);
m_bufferPtr = 0U;
}
}
}

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/*
* Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(P25RX_H)
#define P25RX_H
#include "P25Defines.h"
enum P25RX_STATE {
P25RXS_NONE,
P25RXS_DATA
};
class CP25RX {
public:
CP25RX();
void databit(bool bit);
void reset();
private:
bool m_prev;
P25RX_STATE m_state;
uint64_t m_bitBuffer;
uint8_t m_outBuffer[P25_LDU_FRAME_LENGTH_BYTES + 3U];
uint8_t* m_buffer;
uint16_t m_bufferPtr;
uint16_t m_lostCount;
void processNone(bool bit);
void processData(bool bit);
};
#endif

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/*
* Copyright (C) 2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// #define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
#include "P25TX.h"
#include "P25Defines.h"
const uint8_t P25_START_SYNC = 0x77U;
CP25TX::CP25TX() :
m_buffer(1500U),
m_poBuffer(),
m_poLen(0U),
m_poPtr(0U),
m_txDelay(240U), // 200ms
m_count(0U)
{
}
void CP25TX::process()
{
if (m_buffer.getData() == 0U && m_poLen == 0U)
return;
if (m_poLen == 0U) {
if (!m_tx) {
m_delay = true;
m_count = 0U;
m_poLen = m_txDelay;
} else {
uint8_t length = m_buffer.get();
m_delay = false;
for (uint8_t i = 0U; i < length; i++) {
m_poBuffer[m_poLen++] = m_buffer.get();
}
}
m_poPtr = 0U;
}
if (m_poLen > 0U) {
uint16_t space = io.getSpace();
while (space > 8U) {
if (m_delay) {
m_poPtr++;
writeByte(P25_START_SYNC);
} else
writeByte(m_poBuffer[m_poPtr++]);
space -= 8U;
if (m_poPtr >= m_poLen) {
m_poPtr = 0U;
m_poLen = 0U;
m_delay = false;
return;
}
}
}
}
uint8_t CP25TX::writeData(const uint8_t* data, uint8_t length)
{
if (length < (P25_TERM_FRAME_LENGTH_BYTES + 1U))
return 4U;
uint16_t space = m_buffer.getSpace();
if (space < length)
return 5U;
m_buffer.put(length - 1U);
for (uint8_t i = 0U; i < (length - 1U); i++)
m_buffer.put(data[i + 1U]);
return 0U;
}
void CP25TX::writeByte(uint8_t c)
{
uint8_t bit;
uint8_t mask = 0x80U;
for (uint8_t i = 0U; i < 8U; i++, c <<= 1) {
if ((c & mask) == mask)
bit = 1U;
else
bit = 0U;
io.write(&bit, 1);
}
}
void CP25TX::setTXDelay(uint8_t delay)
{
m_txDelay = 600U + uint16_t(delay) * 12U; // 500ms + tx delay
}
uint16_t CP25TX::getSpace() const
{
return m_buffer.getSpace() / P25_LDU_FRAME_LENGTH_BYTES;
}

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/*
* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(P25TX_H)
#define P25TX_H
#include "SerialRB.h"
class CP25TX {
public:
CP25TX();
uint8_t writeData(const uint8_t* data, uint8_t length);
void process();
void setTXDelay(uint8_t delay);
uint16_t getSpace() const;
private:
CSerialRB m_buffer;
uint8_t m_poBuffer[250U];
uint16_t m_poLen;
uint16_t m_poPtr;
uint16_t m_txDelay;
uint32_t m_count;
bool m_delay;
void writeByte(uint8_t c);
};
#endif

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/*
* Copyright (C) 2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#include "Globals.h"
#include "SerialPort.h"
#if defined(ARDUINO)
void CSerialPort::beginInt(uint8_t n, int speed)
{
switch (n) {
case 1U:
Serial.begin(speed);
break;
/* case 2U:
Serial2.begin(speed);
break;
case 3U:
Serial3.begin(speed);
break;*/
default:
break;
}
}
int CSerialPort::availableInt(uint8_t n)
{
switch (n) {
case 1U:
return Serial.available();
/* case 2U:
return Serial2.available();
case 3U:
return Serial3.available();*/
default:
return false;
}
}
uint8_t CSerialPort::readInt(uint8_t n)
{
switch (n) {
case 1U:
return Serial.read();
/* case 2U:
return Serial2.read();
case 3U:
return Serial3.read();*/
default:
return 0U;
}
}
void CSerialPort::writeInt(uint8_t n, const uint8_t* data, uint16_t length, bool flush)
{
switch (n) {
case 1U:
Serial.write(data, length);
if (flush)
Serial.flush();
break;
/* case 2U:
Serial2.write(data, length);
if (flush)
Serial2.flush();
break;
case 3U:
Serial3.write(data, length);
if (flush)
Serial3.flush();
break;*/
default:
break;
}
}
#endif

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/*
* Copyright (C) 2013,2015,2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016 by Colin Durbridge G4EML
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// #define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
#include "SerialPort.h"
const uint8_t MMDVM_FRAME_START = 0xE0U;
const uint8_t MMDVM_GET_VERSION = 0x00U;
const uint8_t MMDVM_GET_STATUS = 0x01U;
const uint8_t MMDVM_SET_CONFIG = 0x02U;
const uint8_t MMDVM_SET_MODE = 0x03U;
const uint8_t MMDVM_SET_FREQ = 0x04U;
const uint8_t MMDVM_CAL_DATA = 0x08U;
const uint8_t MMDVM_SEND_CWID = 0x0AU;
const uint8_t MMDVM_DSTAR_HEADER = 0x10U;
const uint8_t MMDVM_DSTAR_DATA = 0x11U;
const uint8_t MMDVM_DSTAR_LOST = 0x12U;
const uint8_t MMDVM_DSTAR_EOT = 0x13U;
const uint8_t MMDVM_DMR_DATA1 = 0x18U;
const uint8_t MMDVM_DMR_LOST1 = 0x19U;
const uint8_t MMDVM_DMR_DATA2 = 0x1AU;
const uint8_t MMDVM_DMR_LOST2 = 0x1BU;
const uint8_t MMDVM_DMR_SHORTLC = 0x1CU;
const uint8_t MMDVM_DMR_START = 0x1DU;
const uint8_t MMDVM_DMR_ABORT = 0x1EU;
const uint8_t MMDVM_YSF_DATA = 0x20U;
const uint8_t MMDVM_YSF_LOST = 0x21U;
const uint8_t MMDVM_P25_HDR = 0x30U;
const uint8_t MMDVM_P25_LDU = 0x31U;
const uint8_t MMDVM_P25_LOST = 0x32U;
const uint8_t MMDVM_ACK = 0x70U;
const uint8_t MMDVM_NAK = 0x7FU;
const uint8_t MMDVM_SERIAL = 0x80U;
const uint8_t MMDVM_DEBUG1 = 0xF1U;
const uint8_t MMDVM_DEBUG2 = 0xF2U;
const uint8_t MMDVM_DEBUG3 = 0xF3U;
const uint8_t MMDVM_DEBUG4 = 0xF4U;
const uint8_t MMDVM_DEBUG5 = 0xF5U;
const uint8_t HARDWARE[] = "MMDVM 20161213-HS (D-Star/DMR/YSF/P25)";
const uint8_t PROTOCOL_VERSION = 1U;
CSerialPort::CSerialPort() :
m_buffer(),
m_ptr(0U),
m_len(0U)
{
}
void CSerialPort::sendACK()
{
uint8_t reply[4U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 4U;
reply[2U] = MMDVM_ACK;
reply[3U] = m_buffer[2U];
writeInt(1U, reply, 4);
}
void CSerialPort::sendNAK(uint8_t err)
{
uint8_t reply[5U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 5U;
reply[2U] = MMDVM_NAK;
reply[3U] = m_buffer[2U];
reply[4U] = err;
writeInt(1U, reply, 5);
}
void CSerialPort::getStatus()
{
//io.resetWatchdog();
uint8_t reply[15U];
// Send all sorts of interesting internal values
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 11U;
reply[2U] = MMDVM_GET_STATUS;
reply[3U] = 0x00U;
if (m_dstarEnable)
reply[3U] |= 0x01U;
if (m_dmrEnable)
reply[3U] |= 0x02U;
if (m_ysfEnable)
reply[3U] |= 0x04U;
if (m_p25Enable)
reply[3U] |= 0x08U;
reply[4U] = uint8_t(m_modemState);
reply[5U] = m_tx ? 0x01U : 0x00U;
if (io.hasRXOverflow())
reply[5U] |= 0x04U;
if (io.hasTXOverflow())
reply[5U] |= 0x08U;
if (m_dstarEnable)
reply[6U] = dstarTX.getSpace();
else
reply[6U] = 0U;
if (m_dmrEnable) {
reply[7U] = 10U;
reply[8U] = dmrDMOTX.getSpace();
} else {
reply[7U] = 0U;
reply[8U] = 0U;
}
if (m_ysfEnable)
reply[9U] = ysfTX.getSpace();
else
reply[9U] = 0U;
if (m_p25Enable)
reply[10U] = p25TX.getSpace();
else
reply[10U] = 0U;
writeInt(1U, reply, 11);
}
void CSerialPort::getVersion()
{
uint8_t reply[100U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_GET_VERSION;
reply[3U] = PROTOCOL_VERSION;
uint8_t count = 4U;
for (uint8_t i = 0U; HARDWARE[i] != 0x00U; i++, count++)
reply[count] = HARDWARE[i];
reply[1U] = count;
writeInt(1U, reply, count);
}
uint8_t CSerialPort::setConfig(const uint8_t* data, uint8_t length)
{
if (length < 13U)
return 4U;
bool dstarEnable = (data[1U] & 0x01U) == 0x01U;
bool dmrEnable = (data[1U] & 0x02U) == 0x02U;
bool ysfEnable = (data[1U] & 0x04U) == 0x04U;
bool p25Enable = (data[1U] & 0x08U) == 0x08U;
uint8_t txDelay = data[2U];
if (txDelay > 50U)
return 4U;
MMDVM_STATE modemState = MMDVM_STATE(data[3U]);
if (modemState != STATE_IDLE && modemState != STATE_DSTAR && modemState != STATE_DMR && modemState != STATE_YSF && modemState != STATE_P25)
return 4U;
if (modemState == STATE_DSTAR && !dstarEnable)
return 4U;
if (modemState == STATE_DMR && !dmrEnable)
return 4U;
if (modemState == STATE_YSF && !ysfEnable)
return 4U;
if (modemState == STATE_P25 && !p25Enable)
return 4U;
uint8_t colorCode = data[6U];
if (colorCode > 15U)
return 4U;
// uint8_t dmrDelay = data[7U];
m_modemState = modemState;
m_dstarEnable = dstarEnable;
m_dmrEnable = dmrEnable;
m_ysfEnable = ysfEnable;
m_p25Enable = p25Enable;
dstarTX.setTXDelay(txDelay);
ysfTX.setTXDelay(txDelay);
p25TX.setTXDelay(txDelay);
dmrDMOTX.setTXDelay(txDelay);
dmrDMORX.setColorCode(colorCode);
io.ifInit();
return 0U;
}
uint8_t CSerialPort::setMode(const uint8_t* data, uint8_t length)
{
if (length < 1U)
return 4U;
MMDVM_STATE modemState = MMDVM_STATE(data[0U]);
if (modemState == m_modemState)
return 0U;
if (modemState != STATE_IDLE && modemState != STATE_DSTAR && modemState != STATE_DMR && modemState != STATE_YSF && modemState != STATE_P25)
return 4U;
if (modemState == STATE_DSTAR && !m_dstarEnable)
return 4U;
if (modemState == STATE_DMR && !m_dmrEnable)
return 4U;
if (modemState == STATE_YSF && !m_ysfEnable)
return 4U;
if (modemState == STATE_P25 && !m_p25Enable)
return 4U;
setMode(modemState);
return 0U;
}
uint8_t CSerialPort::setFreq(const uint8_t* data, uint8_t length)
{
uint32_t freq_rx, freq_tx;
if (length < 9U)
return 4U;
freq_rx = data[1] * 1;
freq_rx += data[2] * 256;
freq_rx += data[3] * 65536;
freq_rx += data[4] * 16777216;
freq_tx = data[5] * 1;
freq_tx += data[6] * 256;
freq_tx += data[7] * 65536;
freq_tx += data[8] * 16777216;
return io.setFreq(freq_rx, freq_tx);
}
void CSerialPort::setMode(MMDVM_STATE modemState)
{
switch (modemState) {
case STATE_DMR:
DEBUG1("Mode set to DMR");
dstarRX.reset();
ysfRX.reset();
p25RX.reset();
break;
case STATE_DSTAR:
DEBUG1("Mode set to D-Star");
dmrDMORX.reset();
ysfRX.reset();
p25RX.reset();
break;
case STATE_YSF:
DEBUG1("Mode set to System Fusion");
dmrDMORX.reset();
dstarRX.reset();
p25RX.reset();
break;
case STATE_P25:
DEBUG1("Mode set to P25");
dmrDMORX.reset();
dstarRX.reset();
ysfRX.reset();
break;
default:
DEBUG1("Mode set to Idle");
// STATE_IDLE
break;
}
m_modemState = modemState;
io.setMode();
}
void CSerialPort::start()
{
beginInt(1U, 115200);
#if defined(SERIAL_REPEATER)
beginInt(3U, 9600);
#endif
}
void CSerialPort::process()
{
while (availableInt(1U)) {
uint8_t c = readInt(1U);
if (m_ptr == 0U) {
if (c == MMDVM_FRAME_START) {
// Handle the frame start correctly
m_buffer[0U] = c;
m_ptr = 1U;
m_len = 0U;
}
} else if (m_ptr == 1U) {
// Handle the frame length
m_len = m_buffer[m_ptr] = c;
m_ptr = 2U;
} else {
// Any other bytes are added to the buffer
m_buffer[m_ptr] = c;
m_ptr++;
// The full packet has been received, process it
if (m_ptr == m_len) {
uint8_t err = 2U;
switch (m_buffer[2U]) {
case MMDVM_GET_STATUS:
getStatus();
break;
case MMDVM_GET_VERSION:
getVersion();
break;
case MMDVM_SET_CONFIG:
err = setConfig(m_buffer + 3U, m_len - 3U);
if (err == 0U)
sendACK();
else
sendNAK(err);
break;
case MMDVM_SET_MODE:
err = setMode(m_buffer + 3U, m_len - 3U);
if (err == 0U)
sendACK();
else
sendNAK(err);
break;
case MMDVM_SET_FREQ:
err = setFreq(m_buffer + 3U, m_len - 3U);
if (err == 0U)
sendACK();
else
sendNAK(err);
break;
case MMDVM_CAL_DATA:
break;
case MMDVM_SEND_CWID:
break;
case MMDVM_DSTAR_HEADER:
if (m_dstarEnable) {
if (m_modemState == STATE_IDLE || m_modemState == STATE_DSTAR)
err = dstarTX.writeHeader(m_buffer + 3U, m_len - 3U);
}
if (err == 0U) {
if (m_modemState == STATE_IDLE)
setMode(STATE_DSTAR);
} else {
DEBUG2("Received invalid D-Star header", err);
sendNAK(err);
}
break;
case MMDVM_DSTAR_DATA:
if (m_dstarEnable) {
if (m_modemState == STATE_IDLE || m_modemState == STATE_DSTAR)
err = dstarTX.writeData(m_buffer + 3U, m_len - 3U);
}
if (err == 0U) {
if (m_modemState == STATE_IDLE)
setMode(STATE_DSTAR);
} else {
DEBUG2("Received invalid D-Star data", err);
sendNAK(err);
}
break;
case MMDVM_DSTAR_EOT:
if (m_dstarEnable) {
if (m_modemState == STATE_IDLE || m_modemState == STATE_DSTAR)
err = dstarTX.writeEOT();
}
if (err == 0U) {
if (m_modemState == STATE_IDLE)
setMode(STATE_DSTAR);
} else {
DEBUG2("Received invalid D-Star EOT", err);
sendNAK(err);
}
break;
case MMDVM_DMR_DATA1:
break;
case MMDVM_DMR_DATA2:
if (m_dmrEnable) {
if (m_modemState == STATE_IDLE || m_modemState == STATE_DMR) {
err = dmrDMOTX.writeData(m_buffer + 3U, m_len - 3U);
}
}
if (err == 0U) {
if (m_modemState == STATE_IDLE)
setMode(STATE_DMR);
} else {
DEBUG2("Received invalid DMR data", err);
sendNAK(err);
}
break;
case MMDVM_DMR_START:
break;
case MMDVM_DMR_SHORTLC:
break;
case MMDVM_DMR_ABORT:
break;
case MMDVM_YSF_DATA:
if (m_ysfEnable) {
if (m_modemState == STATE_IDLE || m_modemState == STATE_YSF)
err = ysfTX.writeData(m_buffer + 3U, m_len - 3U);
}
if (err == 0U) {
if (m_modemState == STATE_IDLE)
setMode(STATE_YSF);
} else {
DEBUG2("Received invalid System Fusion data", err);
sendNAK(err);
}
break;
case MMDVM_P25_HDR:
if (m_p25Enable) {
if (m_modemState == STATE_IDLE || m_modemState == STATE_P25)
err = p25TX.writeData(m_buffer + 3U, m_len - 3U);
}
if (err == 0U) {
if (m_modemState == STATE_IDLE)
setMode(STATE_P25);
} else {
DEBUG2("Received invalid P25 header", err);
sendNAK(err);
}
break;
case MMDVM_P25_LDU:
if (m_p25Enable) {
if (m_modemState == STATE_IDLE || m_modemState == STATE_P25)
err = p25TX.writeData(m_buffer + 3U, m_len - 3U);
}
if (err == 0U) {
if (m_modemState == STATE_IDLE)
setMode(STATE_P25);
} else {
DEBUG2("Received invalid P25 LDU", err);
sendNAK(err);
}
break;
#if defined(SERIAL_REPEATER)
case MMDVM_SERIAL:
writeInt(3U, m_buffer + 3U, m_len - 3U);
break;
#endif
default:
// Handle this, send a NAK back
sendNAK(1U);
break;
}
m_ptr = 0U;
m_len = 0U;
}
}
}
#if defined(SERIAL_REPEATER)
// Drain any incoming serial data
while (availableInt(3U))
readInt(3U);
#endif
}
void CSerialPort::writeDStarHeader(const uint8_t* header, uint8_t length)
{
if (m_modemState != STATE_DSTAR && m_modemState != STATE_IDLE)
return;
if (!m_dstarEnable)
return;
uint8_t reply[50U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_DSTAR_HEADER;
uint8_t count = 3U;
for (uint8_t i = 0U; i < length; i++, count++)
reply[count] = header[i];
reply[1U] = count;
writeInt(1U, reply, count);
}
void CSerialPort::writeDStarData(const uint8_t* data, uint8_t length)
{
if (m_modemState != STATE_DSTAR && m_modemState != STATE_IDLE)
return;
if (!m_dstarEnable)
return;
uint8_t reply[20U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_DSTAR_DATA;
uint8_t count = 3U;
for (uint8_t i = 0U; i < length; i++, count++)
reply[count] = data[i];
reply[1U] = count;
writeInt(1U, reply, count);
}
void CSerialPort::writeDStarLost()
{
if (m_modemState != STATE_DSTAR && m_modemState != STATE_IDLE)
return;
if (!m_dstarEnable)
return;
uint8_t reply[3U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 3U;
reply[2U] = MMDVM_DSTAR_LOST;
writeInt(1U, reply, 3);
}
void CSerialPort::writeDStarEOT()
{
if (m_modemState != STATE_DSTAR && m_modemState != STATE_IDLE)
return;
if (!m_dstarEnable)
return;
uint8_t reply[3U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 3U;
reply[2U] = MMDVM_DSTAR_EOT;
writeInt(1U, reply, 3);
}
void CSerialPort::writeDMRData(bool slot, const uint8_t* data, uint8_t length)
{
if (m_modemState != STATE_DMR && m_modemState != STATE_IDLE)
return;
if (!m_dmrEnable)
return;
uint8_t reply[40U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = slot ? MMDVM_DMR_DATA2 : MMDVM_DMR_DATA1;
uint8_t count = 3U;
for (uint8_t i = 0U; i < length; i++, count++)
reply[count] = data[i];
reply[1U] = count;
writeInt(1U, reply, count);
}
void CSerialPort::writeDMRLost(bool slot)
{
if (m_modemState != STATE_DMR && m_modemState != STATE_IDLE)
return;
if (!m_dmrEnable)
return;
uint8_t reply[3U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 3U;
reply[2U] = slot ? MMDVM_DMR_LOST2 : MMDVM_DMR_LOST1;
writeInt(1U, reply, 3);
}
void CSerialPort::writeYSFData(const uint8_t* data, uint8_t length)
{
if (m_modemState != STATE_YSF && m_modemState != STATE_IDLE)
return;
if (!m_ysfEnable)
return;
uint8_t reply[130U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_YSF_DATA;
uint8_t count = 3U;
for (uint8_t i = 0U; i < length; i++, count++)
reply[count] = data[i];
reply[1U] = count;
writeInt(1U, reply, count);
}
void CSerialPort::writeYSFLost()
{
if (m_modemState != STATE_YSF && m_modemState != STATE_IDLE)
return;
if (!m_ysfEnable)
return;
uint8_t reply[3U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 3U;
reply[2U] = MMDVM_YSF_LOST;
writeInt(1U, reply, 3);
}
void CSerialPort::writeP25Hdr(const uint8_t* data, uint8_t length)
{
if (m_modemState != STATE_P25 && m_modemState != STATE_IDLE)
return;
if (!m_p25Enable)
return;
uint8_t reply[120U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_P25_HDR;
uint8_t count = 3U;
for (uint8_t i = 0U; i < length; i++, count++)
reply[count] = data[i];
reply[1U] = count;
writeInt(1U, reply, count);
}
void CSerialPort::writeP25Ldu(const uint8_t* data, uint8_t length)
{
if (m_modemState != STATE_P25 && m_modemState != STATE_IDLE)
return;
if (!m_p25Enable)
return;
uint8_t reply[250U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_P25_LDU;
uint8_t count = 3U;
for (uint8_t i = 0U; i < length; i++, count++)
reply[count] = data[i];
reply[1U] = count;
writeInt(1U, reply, count);
}
void CSerialPort::writeP25Lost()
{
if (m_modemState != STATE_P25 && m_modemState != STATE_IDLE)
return;
if (!m_p25Enable)
return;
uint8_t reply[3U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 3U;
reply[2U] = MMDVM_P25_LOST;
writeInt(1U, reply, 3);
}
void CSerialPort::writeDebug(const char* text)
{
uint8_t reply[130U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_DEBUG1;
uint8_t count = 3U;
for (uint8_t i = 0U; text[i] != '\0'; i++, count++)
reply[count] = text[i];
reply[1U] = count;
writeInt(1U, reply, count, true);
}
void CSerialPort::writeDebug(const char* text, int16_t n1)
{
uint8_t reply[130U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_DEBUG2;
uint8_t count = 3U;
for (uint8_t i = 0U; text[i] != '\0'; i++, count++)
reply[count] = text[i];
reply[count++] = (n1 >> 8) & 0xFF;
reply[count++] = (n1 >> 0) & 0xFF;
reply[1U] = count;
writeInt(1U, reply, count, true);
}
void CSerialPort::writeDebug(const char* text, int16_t n1, int16_t n2)
{
uint8_t reply[130U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_DEBUG3;
uint8_t count = 3U;
for (uint8_t i = 0U; text[i] != '\0'; i++, count++)
reply[count] = text[i];
reply[count++] = (n1 >> 8) & 0xFF;
reply[count++] = (n1 >> 0) & 0xFF;
reply[count++] = (n2 >> 8) & 0xFF;
reply[count++] = (n2 >> 0) & 0xFF;
reply[1U] = count;
writeInt(1U, reply, count, true);
}
void CSerialPort::writeDebug(const char* text, int16_t n1, int16_t n2, int16_t n3)
{
uint8_t reply[130U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_DEBUG4;
uint8_t count = 3U;
for (uint8_t i = 0U; text[i] != '\0'; i++, count++)
reply[count] = text[i];
reply[count++] = (n1 >> 8) & 0xFF;
reply[count++] = (n1 >> 0) & 0xFF;
reply[count++] = (n2 >> 8) & 0xFF;
reply[count++] = (n2 >> 0) & 0xFF;
reply[count++] = (n3 >> 8) & 0xFF;
reply[count++] = (n3 >> 0) & 0xFF;
reply[1U] = count;
writeInt(1U, reply, count, true);
}
void CSerialPort::writeDebug(const char* text, int16_t n1, int16_t n2, int16_t n3, int16_t n4)
{
uint8_t reply[130U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_DEBUG5;
uint8_t count = 3U;
for (uint8_t i = 0U; text[i] != '\0'; i++, count++)
reply[count] = text[i];
reply[count++] = (n1 >> 8) & 0xFF;
reply[count++] = (n1 >> 0) & 0xFF;
reply[count++] = (n2 >> 8) & 0xFF;
reply[count++] = (n2 >> 0) & 0xFF;
reply[count++] = (n3 >> 8) & 0xFF;
reply[count++] = (n3 >> 0) & 0xFF;
reply[count++] = (n4 >> 8) & 0xFF;
reply[count++] = (n4 >> 0) & 0xFF;
reply[1U] = count;
writeInt(1U, reply, count, true);
}
void CSerialPort::writeAssert(bool cond, const char* text, const char* file, long line)
{
if (cond)
return;
uint8_t reply[200U];
reply[0U] = MMDVM_FRAME_START;
reply[1U] = 0U;
reply[2U] = MMDVM_DEBUG2;
uint8_t count = 3U;
for (uint8_t i = 0U; text[i] != '\0'; i++, count++)
reply[count] = text[i];
reply[count++] = ' ';
for (uint8_t i = 0U; file[i] != '\0'; i++, count++)
reply[count] = file[i];
reply[count++] = (line >> 8) & 0xFF;
reply[count++] = (line >> 0) & 0xFF;
reply[1U] = count;
writeInt(1U, reply, count, true);
}

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(SERIALPORT_H)
#define SERIALPORT_H
#include "Globals.h"
class CSerialPort {
public:
CSerialPort();
void start();
void process();
void writeDStarHeader(const uint8_t* header, uint8_t length);
void writeDStarData(const uint8_t* data, uint8_t length);
void writeDStarLost();
void writeDStarEOT();
void writeDMRData(bool slot, const uint8_t* data, uint8_t length);
void writeDMRLost(bool slot);
void writeYSFData(const uint8_t* data, uint8_t length);
void writeYSFLost();
void writeP25Hdr(const uint8_t* data, uint8_t length);
void writeP25Ldu(const uint8_t* data, uint8_t length);
void writeP25Lost();
void writeDebug(const char* text);
void writeDebug(const char* text, int16_t n1);
void writeDebug(const char* text, int16_t n1, int16_t n2);
void writeDebug(const char* text, int16_t n1, int16_t n2, int16_t n3);
void writeDebug(const char* text, int16_t n1, int16_t n2, int16_t n3, int16_t n4);
void writeAssert(bool cond, const char* text, const char* file, long line);
private:
uint8_t m_buffer[256U];
uint8_t m_ptr;
uint8_t m_len;
void sendACK();
void sendNAK(uint8_t err);
void getStatus();
void getVersion();
uint8_t setConfig(const uint8_t* data, uint8_t length);
uint8_t setMode(const uint8_t* data, uint8_t length);
void setMode(MMDVM_STATE modemState);
uint8_t setFreq(const uint8_t* data, uint8_t length);
// Hardware versions
void beginInt(uint8_t n, int speed);
int availableInt(uint8_t n);
uint8_t readInt(uint8_t n);
void writeInt(uint8_t n, const uint8_t* data, uint16_t length, bool flush = false);
};
#endif

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/*
Serial RB control - Copyright (C) KI6ZUM 2015
Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "SerialRB.h"
CSerialRB::CSerialRB(uint16_t length) :
m_length(length),
m_buffer(NULL),
m_head(0U),
m_tail(0U),
m_full(false)
{
m_buffer = new uint8_t[length];
}
void CSerialRB::reset()
{
m_head = 0U;
m_tail = 0U;
m_full = false;
}
uint16_t CSerialRB::getSpace() const
{
uint16_t n = 0U;
if (m_tail == m_head)
n = m_full ? 0U : m_length;
else if (m_tail < m_head)
n = m_length - m_head + m_tail;
else
n = m_tail - m_head;
if (n > m_length)
n = 0U;
return n;
}
uint16_t CSerialRB::getData() const
{
if (m_tail == m_head)
return m_full ? m_length : 0U;
else if (m_tail < m_head)
return m_head - m_tail;
else
return m_length - m_tail + m_head;
}
bool CSerialRB::put(uint8_t c)
{
if (m_full)
return false;
m_buffer[m_head] = c;
m_head++;
if (m_head >= m_length)
m_head = 0U;
if (m_head == m_tail)
m_full = true;
return true;
}
uint8_t CSerialRB::peek() const
{
return m_buffer[m_tail];
}
uint8_t CSerialRB::get()
{
uint8_t value = m_buffer[m_tail];
m_full = false;
m_tail++;
if (m_tail >= m_length)
m_tail = 0U;
return value;
}

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/*
Serial fifo control - Copyright (C) KI6ZUM 2015
Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#if !defined(SERIALRB_H)
#define SERIALRB_H
#if defined(STM32F10X_MD)
#include "stm32f10x.h"
#include <cstddef>
#else
#include <Arduino.h>
#endif
const uint16_t SERIAL_RINGBUFFER_SIZE = 370U;
class CSerialRB {
public:
CSerialRB(uint16_t length = SERIAL_RINGBUFFER_SIZE);
uint16_t getSpace() const;
uint16_t getData() const;
void reset();
bool put(uint8_t c);
uint8_t peek() const;
uint8_t get();
private:
uint16_t m_length;
volatile uint8_t* m_buffer;
volatile uint16_t m_head;
volatile uint16_t m_tail;
volatile bool m_full;
};
#endif

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/*
* Copyright (C) 2016 by Jim McLaughlin KI6ZUM
* Copyright (C) 2016 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Config.h"
#if defined(STM32F10X_MD)
#include "Globals.h"
#include "SerialPort.h"
#if defined(STM32_USB_HOST)
#include <usb_serial.h>
#endif
/*
Pin definitions:
- Host communication:
USART1 - TXD PA9 - RXD PA10
or
USB VCOM
- Serial repeater
USART2 - TXD PA2 - RXD PA3
*/
#if defined(STM32_USART1_HOST)
#define TX_SERIAL_FIFO_SIZE 256U
#define RX_SERIAL_FIFO_SIZE 256U
extern "C" {
void USART1_IRQHandler();
}
/* ************* USART1 ***************** */
volatile uint32_t intcount1;
volatile uint8_t TXSerialfifo1[TX_SERIAL_FIFO_SIZE];
volatile uint8_t RXSerialfifo1[RX_SERIAL_FIFO_SIZE];
volatile uint16_t TXSerialfifohead1, TXSerialfifotail1;
volatile uint16_t RXSerialfifohead1, RXSerialfifotail1;
// Init queues
void TXSerialfifoinit1()
{
TXSerialfifohead1 = 0U;
TXSerialfifotail1 = 0U;
}
void RXSerialfifoinit1()
{
RXSerialfifohead1 = 0U;
RXSerialfifotail1 = 0U;
}
// How full is queue
// TODO decide if how full or how empty is preferred info to return
uint16_t TXSerialfifolevel1()
{
uint32_t tail = TXSerialfifotail1;
uint32_t head = TXSerialfifohead1;
if (tail > head)
return TX_SERIAL_FIFO_SIZE + head - tail;
else
return head - tail;
}
uint16_t RXSerialfifolevel1()
{
uint32_t tail = RXSerialfifotail1;
uint32_t head = RXSerialfifohead1;
if (tail > head)
return RX_SERIAL_FIFO_SIZE + head - tail;
else
return head - tail;
}
// Flushes the transmit shift register
// warning: this call is blocking
void TXSerialFlush1()
{
// wait until the TXE shows the shift register is empty
while (USART_GetITStatus(USART1, USART_FLAG_TXE))
;
}
uint8_t TXSerialfifoput1(uint8_t next)
{
if (TXSerialfifolevel1() < TX_SERIAL_FIFO_SIZE) {
TXSerialfifo1[TXSerialfifohead1] = next;
TXSerialfifohead1++;
if (TXSerialfifohead1 >= TX_SERIAL_FIFO_SIZE)
TXSerialfifohead1 = 0U;
// make sure transmit interrupts are enabled as long as there is data to send
USART_ITConfig(USART1, USART_IT_TXE, ENABLE);
return 1U;
} else {
return 0U; // signal an overflow occurred by returning a zero count
}
}
void USART1_IRQHandler()
{
uint8_t c;
if (USART_GetITStatus(USART1, USART_IT_RXNE)) {
c = (uint8_t) USART_ReceiveData(USART1);
if (RXSerialfifolevel1() < RX_SERIAL_FIFO_SIZE) {
RXSerialfifo1[RXSerialfifohead1] = c;
RXSerialfifohead1++;
if (RXSerialfifohead1 >= RX_SERIAL_FIFO_SIZE)
RXSerialfifohead1 = 0U;
} else {
// TODO - do something if rx fifo is full?
}
USART_ClearITPendingBit(USART1, USART_IT_RXNE);
intcount1++;
}
if (USART_GetITStatus(USART1, USART_IT_TXE)) {
c = 0U;
if (TXSerialfifohead1 != TXSerialfifotail1) { // if the fifo is not empty
c = TXSerialfifo1[TXSerialfifotail1];
TXSerialfifotail1++;
if (TXSerialfifotail1 >= TX_SERIAL_FIFO_SIZE)
TXSerialfifotail1 = 0U;
USART_SendData(USART1, c);
} else { // if there's no more data to transmit then turn off TX interrupts
USART_ITConfig(USART1, USART_IT_TXE, DISABLE);
}
USART_ClearITPendingBit(USART1, USART_IT_TXE);
}
}
void InitUSART1(int speed)
{
// USART1 - TXD PA9 - RXD PA10
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
// USART IRQ init
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_Init(&NVIC_InitStructure);
// Configure USART as alternate function
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9; // Tx
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10; // Rx
GPIO_Init(GPIOA, &GPIO_InitStructure);
// Configure USART baud rate
USART_StructInit(&USART_InitStructure);
USART_InitStructure.USART_BaudRate = speed;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART1, &USART_InitStructure);
USART_ITConfig(USART1, USART_IT_RXNE, ENABLE);
USART_Cmd(USART1, ENABLE);
// initialize the fifos
TXSerialfifoinit1();
RXSerialfifoinit1();
}
uint8_t AvailUSART1(void)
{
if (RXSerialfifolevel1() > 0U)
return 1U;
else
return 0U;
}
uint8_t ReadUSART1(void)
{
uint8_t data_c = RXSerialfifo1[RXSerialfifotail1];
RXSerialfifotail1++;
if (RXSerialfifotail1 >= RX_SERIAL_FIFO_SIZE)
RXSerialfifotail1 = 0U;
return data_c;
}
void WriteUSART1(const uint8_t* data, uint16_t length)
{
for (uint16_t i = 0U; i < length; i++)
TXSerialfifoput1(data[i]);
USART_ITConfig(USART1, USART_IT_TXE, ENABLE);
}
#endif
#if defined(SERIAL_REPEATER)
/* ************* USART2 ***************** */
volatile uint32_t intcount2;
volatile uint8_t TXSerialfifo2[TX_SERIAL_FIFO_SIZE];
volatile uint8_t RXSerialfifo2[RX_SERIAL_FIFO_SIZE];
volatile uint16_t TXSerialfifohead2, TXSerialfifotail2;
volatile uint16_t RXSerialfifohead2, RXSerialfifotail2;
// Init queues
void TXSerialfifoinit2()
{
TXSerialfifohead2 = 0U;
TXSerialfifotail2 = 0U;
}
void RXSerialfifoinit2()
{
RXSerialfifohead2 = 0U;
RXSerialfifotail2 = 0U;
}
// How full is queue
// TODO decide if how full or how empty is preferred info to return
uint16_t TXSerialfifolevel2()
{
uint32_t tail = TXSerialfifotail2;
uint32_t head = TXSerialfifohead2;
if (tail > head)
return TX_SERIAL_FIFO_SIZE + head - tail;
else
return head - tail;
}
uint16_t RXSerialfifolevel2()
{
uint32_t tail = RXSerialfifotail2;
uint32_t head = RXSerialfifohead2;
if (tail > head)
return RX_SERIAL_FIFO_SIZE + head - tail;
else
return head - tail;
}
// Flushes the transmit shift register
// warning: this call is blocking
void TXSerialFlush2()
{
// wait until the TXE shows the shift register is empty
while (USART_GetITStatus(USART2, USART_FLAG_TXE))
;
}
uint8_t TXSerialfifoput2(uint8_t next)
{
if (TXSerialfifolevel2() < TX_SERIAL_FIFO_SIZE) {
TXSerialfifo2[TXSerialfifohead2] = next;
TXSerialfifohead2++;
if (TXSerialfifohead2 >= TX_SERIAL_FIFO_SIZE)
TXSerialfifohead2 = 0U;
// make sure transmit interrupts are enabled as long as there is data to send
USART_ITConfig(USART2, USART_IT_TXE, ENABLE);
return 1U;
} else {
return 0U; // signal an overflow occurred by returning a zero count
}
}
void USART2_IRQHandler()
{
uint8_t c;
if (USART_GetITStatus(USART2, USART_IT_RXNE)) {
c = (uint8_t) USART_ReceiveData(USART2);
if (RXSerialfifolevel2() < RX_SERIAL_FIFO_SIZE) {
RXSerialfifo2[RXSerialfifohead2] = c;
RXSerialfifohead2++;
if (RXSerialfifohead2 >= RX_SERIAL_FIFO_SIZE)
RXSerialfifohead2 = 0U;
} else {
// TODO - do something if rx fifo is full?
}
USART_ClearITPendingBit(USART2, USART_IT_RXNE);
intcount2++;
}
if (USART_GetITStatus(USART2, USART_IT_TXE)) {
c = 0U;
if (TXSerialfifohead2 != TXSerialfifotail2) { // if the fifo is not empty
c = TXSerialfifo2[TXSerialfifotail2];
TXSerialfifotail2++;
if (TXSerialfifotail2 >= TX_SERIAL_FIFO_SIZE)
TXSerialfifotail2 = 0U;
USART_SendData(USART2, c);
} else { // if there's no more data to transmit then turn off TX interrupts
USART_ITConfig(USART2, USART_IT_TXE, DISABLE);
}
USART_ClearITPendingBit(USART2, USART_IT_TXE);
}
}
void InitUSART2(int speed)
{
// USART2 - TXD PA2 - RXD PA3
GPIO_InitTypeDef GPIO_InitStructure;
USART_InitTypeDef USART_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO, ENABLE);
RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE);
// USART IRQ init
NVIC_InitStructure.NVIC_IRQChannel = USART2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_Init(&NVIC_InitStructure);
// Configure USART as alternate function
GPIO_StructInit(&GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; // Tx
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3; // Rx
GPIO_Init(GPIOA, &GPIO_InitStructure);
// Configure USART baud rate
USART_StructInit(&USART_InitStructure);
USART_InitStructure.USART_BaudRate = speed;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART2, &USART_InitStructure);
USART_Cmd(USART2, ENABLE);
USART_ITConfig(USART2, USART_IT_RXNE, ENABLE);
// initialize the fifos
TXSerialfifoinit2();
RXSerialfifoinit2();
}
uint8_t AvailUSART2(void)
{
if (RXSerialfifolevel2() > 0U)
return 1U;
else
return 0U;
}
uint8_t ReadUSART2(void)
{
uint8_t data_c = RXSerialfifo2[RXSerialfifotail2];
RXSerialfifotail2++;
if (RXSerialfifotail2 >= RX_SERIAL_FIFO_SIZE)
RXSerialfifotail2 = 0U;
return data_c;
}
void WriteUSART2(const uint8_t* data, uint16_t length)
{
for (uint16_t i = 0U; i < length; i++)
TXSerialfifoput2(data[i]);
USART_ITConfig(USART2, USART_IT_TXE, ENABLE);
}
#endif
/////////////////////////////////////////////////////////////////
void CSerialPort::beginInt(uint8_t n, int speed)
{
switch (n) {
case 1U:
#if defined(STM32_USART1_HOST)
InitUSART1(speed);
#elif defined(STM32_USB_HOST)
usbserial.begin();
#endif
break;
#if defined(SERIAL_REPEATER)
case 3U:
InitUSART2(speed);
break;
#endif
default:
break;
}
}
int CSerialPort::availableInt(uint8_t n)
{
switch (n) {
case 1U:
#if defined(STM32_USART1_HOST)
return AvailUSART1();
#elif defined(STM32_USB_HOST)
return usbserial.available();
#endif
#if defined(SERIAL_REPEATER)
case 3U:
return AvailUSART2();
#endif
default:
return false;
}
}
uint8_t CSerialPort::readInt(uint8_t n)
{
switch (n) {
case 1U:
#if defined(STM32_USART1_HOST)
return ReadUSART1();
#elif defined(STM32_USB_HOST)
return usbserial.read();
#endif
#if defined(SERIAL_REPEATER)
case 3U:
return ReadUSART2();
#endif
default:
return 0U;
}
}
void CSerialPort::writeInt(uint8_t n, const uint8_t* data, uint16_t length, bool flush)
{
switch (n) {
case 1U:
#if defined(STM32_USART1_HOST)
WriteUSART1(data, length);
if (flush)
TXSerialFlush1();
#elif defined(STM32_USB_HOST)
usbserial.write(data, length);
if (flush)
usbserial.flush();
break;
#endif
#if defined(SERIAL_REPEATER)
case 3U:
WriteUSART2(data, length);
if (flush)
TXSerialFlush2();
break;
#endif
default:
break;
}
}
#endif

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/*
* Copyright (C) 2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "Utils.h"
const uint8_t BITS_TABLE[] = {
# define B2(n) n, n+1, n+1, n+2
# define B4(n) B2(n), B2(n+1), B2(n+1), B2(n+2)
# define B6(n) B4(n), B4(n+1), B4(n+1), B4(n+2)
B6(0), B6(1), B6(1), B6(2)
};
uint8_t countBits8(uint8_t bits)
{
return BITS_TABLE[bits];
}
uint8_t countBits32(uint32_t bits)
{
uint8_t* p = (uint8_t*)&bits;
uint8_t n = 0U;
n += BITS_TABLE[p[0U]];
n += BITS_TABLE[p[1U]];
n += BITS_TABLE[p[2U]];
n += BITS_TABLE[p[3U]];
return n;
}
uint8_t countBits64(uint64_t bits)
{
uint8_t* p = (uint8_t*)&bits;
uint8_t n = 0U;
n += BITS_TABLE[p[0U]];
n += BITS_TABLE[p[1U]];
n += BITS_TABLE[p[2U]];
n += BITS_TABLE[p[3U]];
n += BITS_TABLE[p[4U]];
n += BITS_TABLE[p[5U]];
n += BITS_TABLE[p[6U]];
n += BITS_TABLE[p[7U]];
return n;
}

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/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(UTILS_H)
#define UTILS_H
#if defined(STM32F10X_MD)
#include "stm32f10x.h"
#include <cstddef>
#else
#include <Arduino.h>
#endif
uint8_t countBits8(uint8_t bits);
uint8_t countBits32(uint32_t bits);
uint8_t countBits64(uint64_t bits);
#endif

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/*
* Copyright (C) 2009-2015 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(YSFDEFINES_H)
#define YSFDEFINES_H
const unsigned int YSF_FRAME_LENGTH_BYTES = 120U;
const unsigned int YSF_FRAME_LENGTH_BITS = YSF_FRAME_LENGTH_BYTES * 8U;
const unsigned int YSF_FRAME_LENGTH_SYMBOLS = YSF_FRAME_LENGTH_BYTES * 4U;
const unsigned int YSF_SYNC_LENGTH_BYTES = 5U;
const unsigned int YSF_SYNC_LENGTH_BITS = YSF_SYNC_LENGTH_BYTES * 8U;
const unsigned int YSF_SYNC_LENGTH_SYMBOLS = YSF_SYNC_LENGTH_BYTES * 4U;
const unsigned int YSF_FICH_LENGTH_BITS = 200U;
const unsigned int YSF_FICH_LENGTH_SYMBOLS = 100U;
const uint8_t YSF_SYNC_BYTES[] = {0xD4U, 0x71U, 0xC9U, 0x63U, 0x4DU};
const uint8_t YSF_SYNC_BYTES_LENGTH = 5U;
const uint64_t YSF_SYNC_BITS = 0x000000D471C9634DU;
const uint64_t YSF_SYNC_BITS_MASK = 0x000000FFFFFFFFFFU;
// D 4 7 1 C 9 6 3 4 D
// 11 01 01 00 01 11 00 01 11 00 10 01 01 10 00 11 01 00 11 01
// -3 +3 +3 +1 +3 -3 +1 +3 -3 +1 -1 +3 +3 -1 +3 -3 +3 +1 -3 +3
const uint32_t YSF_SYNC_SYMBOLS = 0x0007B5ADU;
const uint32_t YSF_SYNC_SYMBOLS_MASK = 0x000FFFFFU;
#endif

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/*
* Copyright (C) 2009-2017 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// #define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
#include "YSFRX.h"
#include "Utils.h"
const uint8_t SYNC_BIT_START_ERRS = 2U;
const uint8_t SYNC_BIT_RUN_ERRS = 4U;
const unsigned int MAX_SYNC_FRAMES = 4U + 1U;
const uint8_t BIT_MASK_TABLE[] = {0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U};
#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
CYSFRX::CYSFRX() :
m_prev(false),
m_state(YSFRXS_NONE),
m_bitBuffer(0x00U),
m_outBuffer(),
m_buffer(NULL),
m_bufferPtr(0U),
m_lostCount(0U)
{
m_buffer = m_outBuffer + 1U;
}
void CYSFRX::reset()
{
m_prev = false;
m_state = YSFRXS_NONE;
m_bitBuffer = 0x00U;
m_bufferPtr = 0U;
m_lostCount = 0U;
}
void CYSFRX::databit(bool bit)
{
if (m_state == YSFRXS_NONE)
processNone(bit);
else
processData(bit);
}
void CYSFRX::processNone(bool bit)
{
m_bitBuffer <<= 1;
if (bit)
m_bitBuffer |= 0x01U;
// Fuzzy matching of the data sync bit sequence
if (countBits64((m_bitBuffer & YSF_SYNC_BITS_MASK) ^ YSF_SYNC_BITS) <= SYNC_BIT_START_ERRS) {
DEBUG1("YSFRX: sync found in None");
for (uint8_t i = 0U; i < YSF_SYNC_LENGTH_BYTES; i++)
m_buffer[i] = YSF_SYNC_BYTES[i];
m_lostCount = MAX_SYNC_FRAMES;
m_bufferPtr = YSF_SYNC_LENGTH_BITS;
m_state = YSFRXS_DATA;
io.setDecode(true);
}
}
void CYSFRX::processData(bool bit)
{
m_bitBuffer <<= 1;
if (bit)
m_bitBuffer |= 0x01U;
WRITE_BIT1(m_buffer, m_bufferPtr, bit);
m_bufferPtr++;
// Only search for a sync in the right place +-2 symbols
if (m_bufferPtr >= (YSF_SYNC_LENGTH_BITS - 2U) && m_bufferPtr <= (YSF_SYNC_LENGTH_BITS + 2U)) {
// Fuzzy matching of the data sync bit sequence
if (countBits64((m_bitBuffer & YSF_SYNC_BITS_MASK) ^ YSF_SYNC_BITS) <= SYNC_BIT_RUN_ERRS) {
DEBUG2("YSFRX: found sync in Data, pos", m_bufferPtr - YSF_SYNC_LENGTH_BITS);
m_lostCount = MAX_SYNC_FRAMES;
m_bufferPtr = YSF_SYNC_LENGTH_BITS;
}
}
// Send a data frame to the host if the required number of bits have been received
if (m_bufferPtr == YSF_FRAME_LENGTH_BITS) {
// We've not seen a data sync for too long, signal RXLOST and change to RX_NONE
m_lostCount--;
if (m_lostCount == 0U) {
DEBUG1("YSFRX: sync timed out, lost lock");
io.setDecode(false);
serial.writeYSFLost();
m_state = YSFRXS_NONE;
} else {
m_outBuffer[0U] = m_lostCount == (MAX_SYNC_FRAMES - 1U) ? 0x01U : 0x00U;
serial.writeYSFData(m_outBuffer, YSF_FRAME_LENGTH_BYTES + 1U);
// Start the next frame
::memset(m_outBuffer, 0x00U, YSF_FRAME_LENGTH_BYTES + 3U);
m_bufferPtr = 0U;
}
}
}

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/*
* Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(YSFRX_H)
#define YSFRX_H
#include "YSFDefines.h"
enum YSFRX_STATE {
YSFRXS_NONE,
YSFRXS_DATA
};
class CYSFRX {
public:
CYSFRX();
void databit(bool bit);
void reset();
private:
bool m_prev;
YSFRX_STATE m_state;
uint64_t m_bitBuffer;
uint8_t m_outBuffer[YSF_FRAME_LENGTH_BYTES + 3U];
uint8_t* m_buffer;
uint16_t m_bufferPtr;
uint16_t m_lostCount;
void processNone(bool bit);
void processData(bool bit);
};
#endif

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/*
* Copyright (C) 2009-2016 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
// #define WANT_DEBUG
#include "Config.h"
#include "Globals.h"
#include "YSFTX.h"
#include "YSFDefines.h"
const uint8_t YSF_START_SYNC = 0x77U;
const uint8_t YSF_END_SYNC = 0xFFU;
CYSFTX::CYSFTX() :
m_buffer(1500U),
m_poBuffer(),
m_poLen(0U),
m_poPtr(0U),
m_txDelay(240U), // 200ms
m_count(0U)
{
}
void CYSFTX::process()
{
if (m_buffer.getData() == 0U && m_poLen == 0U)
return;
if (m_poLen == 0U) {
if (!m_tx) {
m_delay = true;
m_count = 0U;
m_poLen = m_txDelay;
} else {
m_delay = false;
for (uint8_t i = 0U; i < YSF_FRAME_LENGTH_BYTES; i++)
m_poBuffer[m_poLen++] = m_buffer.get();
}
m_poPtr = 0U;
}
if (m_poLen > 0U) {
uint16_t space = io.getSpace();
while (space > 8U) {
if (m_delay) {
m_poPtr++;
writeByte(YSF_START_SYNC);
}
else
writeByte(m_poBuffer[m_poPtr++]);
space -= 8U;
if (m_poPtr >= m_poLen) {
m_poPtr = 0U;
m_poLen = 0U;
m_delay = false;
return;
}
}
}
}
uint8_t CYSFTX::writeData(const uint8_t* data, uint8_t length)
{
if (length != (YSF_FRAME_LENGTH_BYTES + 1U))
return 4U;
uint16_t space = m_buffer.getSpace();
if (space < YSF_FRAME_LENGTH_BYTES)
return 5U;
for (uint8_t i = 0U; i < YSF_FRAME_LENGTH_BYTES; i++)
m_buffer.put(data[i + 1U]);
return 0U;
}
void CYSFTX::writeByte(uint8_t c)
{
uint8_t bit;
uint8_t mask = 0x80U;
for (uint8_t i = 0U; i < 8U; i++, c <<= 1) {
if ((c & mask) == mask)
bit = 1U;
else
bit = 0U;
io.write(&bit, 1);
}
}
void CYSFTX::setTXDelay(uint8_t delay)
{
m_txDelay = 600U + uint16_t(delay) * 12U; // 500ms + tx delay
}
uint16_t CYSFTX::getSpace() const
{
return m_buffer.getSpace() / YSF_FRAME_LENGTH_BYTES;
}

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/*
* Copyright (C) 2015,2016,2017 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(YSFTX_H)
#define YSFTX_H
#include "SerialRB.h"
class CYSFTX {
public:
CYSFTX();
uint8_t writeData(const uint8_t* data, uint8_t length);
void process();
void setTXDelay(uint8_t delay);
uint16_t getSpace() const;
private:
CSerialRB m_buffer;
uint8_t m_poBuffer[130U];
uint16_t m_poLen;
uint16_t m_poPtr;
uint16_t m_txDelay;
uint32_t m_count;
bool m_delay;
void writeByte(uint8_t c);
};
#endif

137
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/*
* Copyright (C) 2016 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Required amount of heap and stack */
_min_heap_size = 0x1000;
_min_stack_size = 0x0800;
/* The entry point in the interrupt vector table */
ENTRY(Reset_Handler)
/* Memory areas */
MEMORY
{
ROM (rx) : ORIGIN = 0x08000000, LENGTH = 64K /* FLASH */
RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 20K /* Main RAM */
}
/* Stack start address (end of 20K RAM) */
_estack = ORIGIN(RAM) + LENGTH(RAM);
SECTIONS
{
.text :
{
/* The interrupt vector table */
. = ALIGN(4);
KEEP(*(.isr_vector .isr_vector.*))
/* The program code */
. = ALIGN(4);
*(.text .text*)
*(.rodata .rodata*)
/* ARM-Thumb code */
*(.glue_7) *(.glue_7t)
. = ALIGN(4);
KEEP(*(.init))
KEEP(*(.fini))
/* EABI C++ global constructors support */
. = ALIGN(4);
__preinit_array_start = .;
KEEP (*(.preinit_array))
__preinit_array_end = .;
/* EABI C++ global constructors support */
. = ALIGN(4);
__init_array_start = .;
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
__init_array_end = .;
/* EABI C++ global constructors support */
. = ALIGN(4);
__fini_array_start = .;
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
__fini_array_end = .;
} > ROM
/* ARM sections containing exception unwinding information */
.ARM.extab : {
__extab_start = .;
*(.ARM.extab* .gnu.linkonce.armextab.*)
__extab_end = .;
} > ROM
/* ARM index entries for section unwinding */
.ARM.exidx : {
__exidx_start = .;
*(.ARM.exidx*)
__exidx_end = .;
} > ROM
/* Start address for the initialization values of the .data section */
_sidata = .;
/* The .data section (initialized data) */
.data : AT ( _sidata )
{
. = ALIGN(4);
_sdata = . ; /* Start address for the .data section */
*(.data .data*)
. = ALIGN(4);
_edata = . ; /* End address for the .data section */
} > RAM
/* The .bss section (uninitialized data) */
.bss :
{
. = ALIGN(4);
_sbss = .; /* Start address for the .bss section */
__bss_start__ = _sbss;
*(.bss)
*(.bss*)
*(COMMON)
. = ALIGN(4);
_ebss = . ; /* End address for the .bss section */
__bss_end__ = _ebss;
} > RAM
/* Space for heap and stack */
.heap_stack :
{
end = . ; /* 'end' symbol defines heap location */
_end = end ;
. = . + _min_heap_size; /* Additional space for heap and stack */
. = . + _min_stack_size;
} > RAM
/* Remove information from the standard libraries */
/DISCARD/ :
{
libc.a ( * )
libm.a ( * )
libgcc.a ( * )
}
}