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* 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

#if defined(ZUMSPOT_ADF7021) || defined(LONESTAR_USB) || defined(SKYBRIDGE_HS)

#define PIN_SCLK PB5

#define PIN_SREAD PB6

#define PIN_SDATA PB7

#define PIN_SLE PB8

#define PIN_SLE2 PA6

#define PIN_CE PC14

#define PIN_RXD PB4

#define PIN_RXD2 PA11

#define PIN_TXD PB3

#define PIN_TXD2 PA8

#define PIN_CLKOUT 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

#if defined(STM32_USB_HOST)

#define PIN_NXDN_LED PA1

#else

#define PIN_NXDN_LED PA7

#endif

#define PIN_POCSAG_LED PA5

#define PIN_PTT_LED PB14

#define PIN_COS_LED PB15

#elif defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV10)

#define PIN_SCLK PB5

#define PIN_SREAD PB7

#define PIN_SDATA PB6

#define PIN_SLE PB8

#define PIN_SLE2 PA6

#define PIN_CE PC14

#define PIN_RXD PB4

#define PIN_RXD2 PA4

#define PIN_TXD PB3

#define PIN_TXD2 PA5

#define PIN_CLKOUT 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_NXDN_LED PA8

#define PIN_POCSAG_LED PA7

#define PIN_PTT_LED PB14

#define PIN_COS_LED PB15

#else

#error "Either ZUMSPOT_ADF7021, LONESTAR_USB, LIBRE_KIT_ADF7021, MMDVM_HS_HAT_REV12, MMDVM_HS_DUAL_HAT_REV10, NANO_HOTSPOT, NANO_DV_REV10 or SKYBRIDGE_HS need to be defined"

#endif

#elif defined(__MK20DX256__) || defined(__MK64FX512__) || defined(__MK66FX1M0__)

// Teensy pin definitions

#define PIN_SCLK 2

#define PIN_SDATA 3

#define PIN_SREAD 4

#define PIN_SLE 5

#define PIN_CE 6

#define PIN_RXD 7

#define PIN_TXD 8

#define PIN_CLKOUT 22

#define PIN_LED 13

#define PIN_DEB 23

#define PIN_DSTAR_LED 16

#define PIN_DMR_LED 17

#define PIN_YSF_LED 18

#define PIN_P25_LED 19

#define PIN_NXDN_LED 20

#define PIN_POCSAG_LED 21

#define PIN_PTT_LED 14

#define PIN_COS_LED 15

#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_CE 12

#define PIN_RXD 7

#define PIN_TXD 8

#define PIN_CLKOUT 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_NXDN_LED 18

#define PIN_POCSAG_LED 19

#define PIN_PTT_LED 9

#define PIN_COS_LED 10

#endif

extern "C" {

void EXT_IRQHandler(void) {

io.interrupt();

}

#if defined(DUPLEX)

extern "C" {

void EXT_IRQHandler2(void) {

io.interrupt2();

}

#endif

void CIO::delay_IFcal() {

delayMicroseconds(10000);

}

void CIO::delay_reset() {

delayMicroseconds(300);

}

void CIO::Init()

{

#if defined (__STM32F1__)

#if defined(ZUMSPOT_ADF7021) || defined(LONESTAR_USB) || defined(LIBRE_KIT_ADF7021) || defined(MMDVM_HS_HAT_REV12) || defined(MMDVM_HS_DUAL_HAT_REV10) || defined(NANO_HOTSPOT) || defined(NANO_DV_REV10) || defined(SKYBRIDGE_HS)

afio_cfg_debug_ports(AFIO_DEBUG_SW_ONLY);

#endif

pinMode(PIN_SCLK, OUTPUT);

pinMode(PIN_SDATA, OUTPUT);

pinMode(PIN_SREAD, INPUT);

pinMode(PIN_SLE, OUTPUT);

pinMode(PIN_CE, OUTPUT);

pinMode(PIN_RXD, INPUT);

pinMode(PIN_CLKOUT, 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_NXDN_LED, OUTPUT);

pinMode(PIN_POCSAG_LED, OUTPUT);

pinMode(PIN_PTT_LED, OUTPUT);

pinMode(PIN_COS_LED, OUTPUT);

#if defined(DUPLEX)

pinMode(PIN_SLE2, OUTPUT);

pinMode(PIN_RXD2, INPUT);

pinMode(PIN_TXD2, INPUT);

#endif

#if defined(BIDIR_DATA_PIN)

pinMode(PIN_TXD, INPUT);

#else

pinMode(PIN_TXD, OUTPUT);

#endif

}

void CIO::startInt()

{

#if defined(BIDIR_DATA_PIN)

// TXD pin is TxRxCLK of ADF7021, standard TX/RX data interface

#if defined (__STM32F1__)

attachInterrupt(PIN_TXD, EXT_IRQHandler, CHANGE);

#else

attachInterrupt(digitalPinToInterrupt(PIN_TXD), EXT_IRQHandler, CHANGE);

#endif

#else

#if defined (__STM32F1__)

attachInterrupt(PIN_CLKOUT, EXT_IRQHandler, CHANGE);

#else

attachInterrupt(digitalPinToInterrupt(PIN_CLKOUT), EXT_IRQHandler, CHANGE);

#endif

#if defined(DUPLEX)

attachInterrupt(PIN_TXD2, EXT_IRQHandler2, RISING);

#endif

}

#if defined(BIDIR_DATA_PIN)

// RXD pin is bidirectional in standard interfaces

void CIO::Data_dir_out(bool dir)

{

if(dir)

pinMode(PIN_RXD, OUTPUT);

else

pinMode(PIN_RXD, INPUT);

}

#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);

}

bool CIO::SREAD_pin()

{

return digitalRead(PIN_SREAD) == HIGH;

}

void CIO::SLE_pin(bool on)

{

digitalWrite(PIN_SLE, on ? HIGH : LOW);

}

#if defined(DUPLEX)

void CIO::SLE2_pin(bool on)

{

digitalWrite(PIN_SLE2, on ? HIGH : LOW);

}

bool CIO::RXD2_pin()

{

return digitalRead(PIN_RXD2) == HIGH;

}

#endif

void CIO::CE_pin(bool on)

{

digitalWrite(PIN_CE, on ? HIGH : LOW);

}

bool CIO::RXD_pin()

{

return digitalRead(PIN_RXD) == HIGH;

}

bool CIO::CLK_pin()

{

return digitalRead(PIN_TXD) == HIGH;

}

#if defined(BIDIR_DATA_PIN)

void CIO::RXD_pin_write(bool on)

{

digitalWrite(PIN_RXD, on ? HIGH : LOW);

}

#endif

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::NXDN_pin(bool on)

{

#if defined(USE_ALTERNATE_NXDN_LEDS)

digitalWrite(PIN_YSF_LED, on ? HIGH : LOW);

digitalWrite(PIN_P25_LED, on ? HIGH : LOW);

#else

digitalWrite(PIN_NXDN_LED, on ? HIGH : LOW);

#endif

}

void CIO::POCSAG_pin(bool on)

{

#if defined(USE_ALTERNATE_POCSAG_LEDS)

digitalWrite(PIN_DSTAR_LED, on ? HIGH : LOW);

digitalWrite(PIN_DMR_LED, on ? HIGH : LOW);

#else

digitalWrite(PIN_POCSAG_LED, on ? HIGH : LOW);

#endif

}

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);

}

void CIO::delay_us(uint32_t us) {

::delayMicroseconds(us);

}

void CIO::dlybit(void)

{

asm volatile("nop \n\t"

"nop \n\t"

);

}

#endif

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