juribeparada/MMDVM_HS
1
0
Fork 0
mirror of https://github.com/juribeparada/MMDVM_HS.git synced 2025-12-06 07:12:08 +01:00
Code Issues Actions Packages Projects Releases Wiki Activity

Adding Jonathan code for continuous TX in DMR DMO

Browse source
This commit is contained in:
Andy CA6JAU 2017-04-05 23:54:59 -03:00
parent 92d6284cc5
commit 99eb2fa11a
3 changed files with 71 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

69
DMRDMOTX.cpp
View file

@ -22,6 +22,18 @@
#include "Config.h"
#include "Globals.h"
#include "DMRSlotType.h"
// The PR FILL and Data Sync pattern.
const uint8_t IDLE_DATA[] =
{0x53U, 0xC2U, 0x5EU, 0xABU, 0xA8U, 0x67U, 0x1DU, 0xC7U, 0x38U, 0x3BU, 0xD9U,
0x36U, 0x00U, 0x0DU, 0xFFU, 0x57U, 0xD7U, 0x5DU, 0xF5U, 0xD0U, 0x03U, 0xF6U,
0xE4U, 0x65U, 0x17U, 0x1BU, 0x48U, 0xCAU, 0x6DU, 0x4FU, 0xC6U, 0x10U, 0xB4U};
const uint8_t EMPTY_SHORT_LC[] =
{0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U, 0x00U};
const uint8_t DMR_SYNC = 0x5FU;
CDMRDMOTX::CDMRDMOTX() :
m_fifo(),
@ -41,11 +53,18 @@ void CDMRDMOTX::process()
m_poLen = m_txDelay;
} else {
m_delay = false;
for (unsigned int i = 0U; i < 72U; i++)
m_poBuffer[m_poLen++] = 0x00U;
createCACH(m_poBuffer + 0U, 0U);
for (unsigned int i = 0U; i < DMR_FRAME_LENGTH_BYTES; i++)
m_poBuffer[i] = m_fifo.get();
m_poBuffer[i + 3U] = m_fifo.get();
createCACH(m_poBuffer + 36U, 1U);
for (unsigned int i = 0U; i < DMR_FRAME_LENGTH_BYTES; i++)
m_poBuffer[i + 39U] = m_idle[i];
m_poLen = 72U;
}
m_poPtr = 0U;
@ -57,7 +76,7 @@ void CDMRDMOTX::process()
while (space > 8U) {
if (m_delay) {
m_poPtr++;
writeByte(0U);
writeByte(DMR_SYNC);
} else
writeByte(m_poBuffer[m_poPtr++]);
@ -113,3 +132,45 @@ void CDMRDMOTX::setTXDelay(uint8_t delay)
{
m_txDelay = 600U + uint16_t(delay) * 12U; // 500ms + tx delay
}
void CDMRDMOTX::createCACH(uint8_t* buffer, uint8_t slotIndex)
{
if (m_cachPtr >= 12U)
m_cachPtr = 0U;
::memcpy(buffer, EMPTY_SHORT_LC + m_cachPtr, 3U);
bool at = true;
bool tc = slotIndex == 1U;
bool ls0 = true; // For 1 and 2
bool ls1 = true;
if (m_cachPtr == 0U) // For 0
ls1 = false;
else if (m_cachPtr == 9U) // For 3
ls0 = false;
bool h0 = at ^ tc ^ ls1;
bool h1 = tc ^ ls1 ^ ls0;
bool h2 = at ^ tc ^ ls0;
buffer[0U] |= at ? 0x80U : 0x00U;
buffer[0U] |= tc ? 0x08U : 0x00U;
buffer[1U] |= ls1 ? 0x80U : 0x00U;
buffer[1U] |= ls0 ? 0x08U : 0x00U;
buffer[1U] |= h0 ? 0x02U : 0x00U;
buffer[2U] |= h1 ? 0x20U : 0x00U;
buffer[2U] |= h2 ? 0x02U : 0x00U;
m_cachPtr += 3U;
}
void CDMRDMOTX::setColorCode(uint8_t colorCode)
{
::memcpy(m_idle, IDLE_DATA, DMR_FRAME_LENGTH_BYTES);
CDMRSlotType slotType;
slotType.encode(colorCode, DT_IDLE, m_idle);
}

5
DMRDMOTX.h
View file

@ -37,6 +37,8 @@ public:
uint16_t getSpace() const;
void setColorCode(uint8_t colorCode);
private:
CSerialRB m_fifo;
uint8_t m_poBuffer[80U];
@ -45,7 +47,10 @@ private:
uint16_t m_txDelay;
uint32_t m_count;
bool m_delay;
uint8_t m_idle[DMR_FRAME_LENGTH_BYTES];
uint8_t m_cachPtr;
void createCACH(uint8_t* buffer, uint8_t slotIndex);
void writeByte(uint8_t c);
};

1
SerialPort.cpp
View file

@ -236,6 +236,7 @@ uint8_t CSerialPort::setConfig(const uint8_t* data, uint8_t length)
dmrDMOTX.setTXDelay(txDelay);
dmrDMORX.setColorCode(colorCode);
dmrDMOTX.setColorCode(colorCode);
io.setLoDevYSF(ysfLoDev);