/*
  Copyright (c) 2011 Arduino.  All right reserved.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 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 Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser 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
*/

#ifndef _VARIANT_ARDUINO_STM32_
#define _VARIANT_ARDUINO_STM32_

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus

/*----------------------------------------------------------------------------
 *        Pins (STM32F405RG and STM32F415RG)
 *----------------------------------------------------------------------------*/

//                      | DIGITAL | ANALOG IN  | ANALOG OUT | UART/USART            | TWI                  | SPI                               | SPECIAL   |
//                      |---------|------------|------------|-----------------------|----------------------|-----------------------------------|-----------|
#define PA0  PIN_A0  // | 0       | A0 (ADC1)  |            | UART4_TX              |                      |                                   |           |
#define PA1  PIN_A1  // | 1       | A1 (ADC1)  |            | UART4_RX              |                      |                                   |           |
#define PA2  PIN_A2  // | 2       | A2 (ADC1)  |            | USART2_TX             |                      |                                   |           |
#define PA3  PIN_A3  // | 3       | A3 (ADC1)  |            | USART2_RX             |                      |                                   |           |
#define PA4  PIN_A4  // | 4       | A4 (ADC1)  | DAC_OUT1   |                       |                      | SPI1_SS, (SPI3_SS)                |           |
#define PA5  PIN_A5  // | 5       | A5 (ADC1)  | DAC_OUT2   |                       |                      | SPI1_SCK                          |           |
#define PA6  PIN_A6  // | 6       | A6 (ADC1)  |            |                       |                      | SPI1_MISO                         |           |
#define PA7  PIN_A7  // | 7       | A7 (ADC1)  |            |                       |                      | SPI1_MOSI                         |           |
#define PA8  8       // | 8       |            |            |                       | TWI3_SCL             |                                   |           |
#define PA9  9       // | 9       |            |            | USART1_TX             |                      | SPI2_SCK                          |           |
#define PA10 10      // | 10      |            |            | USART1_RX             |                      |                                   |           |
#define PA11 11      // | 11      |            |            |                       |                      |                                   |           |
#define PA12 12      // | 12      |            |            |                       |                      |                                   |           |
#define PA13 13      // | 13      |            |            |                       |                      |                                   | SWD_SWDIO |
#define PA14 14      // | 14      |            |            |                       |                      |                                   | SWD_SWCLK |
#define PA15 15      // | 15      |            |            |                       |                      | SPI3_SS, (SPI1_SS)                |           |
//                      |---------|------------|------------|-----------------------|----------------------|-----------------------------------|-----------|
#define PB0  PIN_A8  // | 16      | A8 (ADC1)  |            |                       |                      |                                   |           |
#define PB1  PIN_A9  // | 17      | A9 (ADC1)  |            |                       |                      |                                   |           |
#define PB2  18      // | 18      |            |            |                       |                      |                                   | BOOT1     |
#define PB3  19      // | 19      |            |            |                       |                      | SPI3_SCK,  (SPI1_SCK)             |           |
#define PB4  20      // | 20      |            |            |                       |                      | SPI3_MISO, (SPI1_MISO)            |           |
#define PB5  21      // | 21      |            |            |                       |                      | SPI3_MOSI, (SPI1_MOSI)            |           |
#define PB6  22      // | 22      |            |            | USART1_TX             | TWI1_SCL             |                                   |           |
#define PB7  23      // | 23      |            |            | USART1_RX             | TWI1_SDA             |                                   |           |
#define PB8  24      // | 24      |            |            |                       | TWI1_SCL             |                                   |           |
#define PB9  25      // | 25      |            |            |                       | TWI1_SDA             | SPI2_SS                           |           |
#define PB10 26      // | 26      |            |            | USART3_TX             | TWI2_SCL             | SPI2_SCK                          |           |
#define PB11 27      // | 27      |            |            | USART3_RX             | TWI2_SDA             |                                   |           |
#define PB12 28      // | 28      |            |            |                       |                      | SPI2_SS                           |           |
#define PB13 29      // | 29      |            |            |                       |                      | SPI2_SCK                          |           |
#define PB14 30      // | 30      |            |            |                       |                      | SPI2_MISO                         |           |
#define PB15 31      // | 31      |            |            |                       |                      | SPI2_MOSI                         |           |
//                      |---------|------------|------------|-----------------------|----------------------|-----------------------------------|-----------|
#define PC0  PIN_A10 // | 32      | A10 (ADC1) |            |                       |                      |                                   |           |
#define PC1  PIN_A11 // | 33      | A11 (ADC1) |            |                       |                      |                                   |           |
#define PC2  PIN_A12 // | 34      | A12 (ADC1) |            |                       |                      | SPI2_MISO                         |           |
#define PC3  PIN_A13 // | 35      | A13 (ADC1) |            |                       |                      | SPI2_MOSI                         |           |
#define PC4  PIN_A14 // | 36      | A14 (ADC1) |            |                       |                      |                                   |           |
#define PC5  PIN_A15 // | 37      | A15 (ADC1) |            |                       |                      |                                   |           |
#define PC6  38      // | 38      |            |            | USART6_TX             |                      |                                   |           |
#define PC7  39      // | 39      |            |            | USART3_RX             |                      | SPI2_SCK                          |           |
#define PC8  40      // | 40      |            |            |                       |                      |                                   |           |
#define PC9  41      // | 41      |            |            |                       | TWI3_SDA             |                                   |           |
#define PC10 42      // | 42      |            |            | USART3_TX, (UART4_TX) |                      | SPI3_SCK                          |           |
#define PC11 43      // | 43      |            |            | USART3_RX, (UART4_RX) |                      | SPI3_MISO                         |           |
#define PC12 44      // | 44      |            |            | UART5_TX              |                      | SPI3_MOSI                         |           |
#define PC13 45      // | 45      |            |            |                       |                      |                                   |           |
#define PC14 46      // | 46      |            |            |                       |                      |                                   | OSC32_IN  |
#define PC15 47      // | 47      |            |            |                       |                      |                                   | OSC32_OUT |
//                      |---------|------------|------------|-----------------------|----------------------|-----------------------------------|-----------|
#define PD2  48      // | 48      |            |            | UART5_RX              |                      |                                   |           |
//                      |---------|------------|------------|-----------------------|----------------------|-----------------------------------|-----------|
#define PH0  49      // | 49      |            |            |                       |                      |                                   | OSC_IN    |
#define PH1  50      // | 50      |            |            |                       |                      |                                   | OSC_OUT   |
//                      |---------|------------|------------|-----------------------|----------------------|-----------------------------------|-----------|

/// This must be a literal
#define NUM_DIGITAL_PINS        51
#define NUM_ANALOG_INPUTS       16

// On-board LED pin number
#ifndef LED_BUILTIN
#define LED_BUILTIN             PA5
#endif
#define LED_GREEN               LED_BUILTIN

// On-board user button
#ifndef USER_BTN
#define USER_BTN                PC13
#endif

// Timer Definitions
// Use TIM6/TIM7 when possible as servo and tone don't need GPIO output pin
#define TIMER_TONE              TIM5  // TIMER_TONE must be defined in this file
#define TIMER_SERVO             TIM4  // TIMER_SERVO must be defined in this file

// UART Definitions
// Define here Serial instance number to map on Serial generic name
#define SERIAL_UART_INSTANCE    1

// Default pin used for 'Serial' instance
// Mandatory for Firmata
#define PIN_SERIAL_RX           PA10
#define PIN_SERIAL_TX           PA9

/* Extra HAL modules */
#define HAL_DAC_MODULE_ENABLED

#ifdef __cplusplus
} // extern "C"
#endif

/*----------------------------------------------------------------------------
 *        Arduino objects - C++ only
 *----------------------------------------------------------------------------*/

#ifdef __cplusplus
  // These serial port names are intended to allow libraries and architecture-neutral
  // sketches to automatically default to the correct port name for a particular type
  // of use.  For example, a GPS module would normally connect to SERIAL_PORT_HARDWARE_OPEN,
  // the first hardware serial port whose RX/TX pins are not dedicated to another use.
  //
  // SERIAL_PORT_MONITOR        Port which normally prints to the Arduino Serial Monitor
  //
  // SERIAL_PORT_USBVIRTUAL     Port which is USB virtual serial
  //
  // SERIAL_PORT_LINUXBRIDGE    Port which connects to a Linux system via Bridge library
  //
  // SERIAL_PORT_HARDWARE       Hardware serial port, physical RX & TX pins.
  //
  // SERIAL_PORT_HARDWARE_OPEN  Hardware serial ports which are open for use.  Their RX & TX
  //                            pins are NOT connected to anything by default.
  #define SERIAL_PORT_MONITOR     Serial
  #define SERIAL_PORT_HARDWARE    Serial
#endif

#endif /* _VARIANT_ARDUINO_STM32_ */
