/*
 *   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() {
#if defined (__STM32F1__)
  delayMicroseconds(290);
#else
  delayMicroseconds(150);
#endif
}

void CIO::dlybit(void)
{
  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::startInt()
{
#if defined (__STM32F1__)
  attachInterrupt(PIN_TXRX_CLK, EXT_IRQHandler, RISING);
#else
  attachInterrupt(digitalPinToInterrupt(PIN_TXRX_CLK), EXT_IRQHandler, RISING);
#endif
}

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