MMDVM_HS/IOSTM.cpp

/*
 *   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::dlybit(void)
{
  volatile unsigned int delay;
  for(delay = 0;delay<5;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