Marlin/buildroot/share/PlatformIO/variants/MARLIN_F103Vx/variant.h

/*
 *******************************************************************************
 * Copyright (c) 2019, STMicroelectronics
 * All rights reserved.
 *
 * This software component is licensed by ST under BSD 3-Clause license,
 * the "License"; You may not use this file except in compliance with the
 * License. You may obtain a copy of the License at:
 *                        opensource.org/licenses/BSD-3-Clause
 *
 *******************************************************************************
 */

#ifndef _VARIANT_ARDUINO_STM32_
#define _VARIANT_ARDUINO_STM32_

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

/*----------------------------------------------------------------------------
 *        Pins
 *----------------------------------------------------------------------------*/
#define PA0  0
#define PA1  1
#define PA2  2
#define PA3  3
#define PA4  4
#define PA5  5
#define PA6  6
#define PA7  7
#define PA8  8
#define PA9  9
#define PA10 10
#define PA11 11
#define PA12 12
#define PA13 13
#define PA14 14
#define PA15 15

#define PB0  16
#define PB1  17
#define PB2  18
#define PB3  19
#define PB4  20
#define PB5  21
#define PB6  22
#define PB7  23
#define PB8  24
#define PB9  25
#define PB10 26
#define PB11 27
#define PB12 28
#define PB13 29
#define PB14 30
#define PB15 31

#define PC0  32
#define PC1  33
#define PC2  34
#define PC3  35
#define PC4  36
#define PC5  37
#define PC6  38
#define PC7  39
#define PC8  40
#define PC9  41
#define PC10 42
#define PC11 43
#define PC12 44
#define PC13 45
#define PC14 46
#define PC15 47

#define PD0  48
#define PD1  49
#define PD2  50
#define PD3  51
#define PD4  52
#define PD5  53
#define PD6  54
#define PD7  55
#define PD8  56
#define PD9  57
#define PD10 58
#define PD11 59
#define PD12 60
#define PD13 61
#define PD14 62
#define PD15 63

#define PE0  64
#define PE1  65
#define PE2  66
#define PE3  67
#define PE4  68
#define PE5  69
#define PE6  70
#define PE7  71
#define PE8  72
#define PE9  73
#define PE10 74
#define PE11 75
#define PE12 76
#define PE13 77
#define PE14 78
#define PE15 79

// This must be a literal
#define NUM_DIGITAL_PINS        80
#define NUM_ANALOG_INPUTS       16

// On-board LED pin number
#ifndef LED_BUILTIN
#define LED_BUILTIN             PB11
#endif

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

// SPI Definitions
#define PIN_SPI_SS              PC4
#define PIN_SPI_MOSI            PA7
#define PIN_SPI_MISO            PA6
#define PIN_SPI_SCK             PA5

// I2C Definitions
#define PIN_WIRE_SDA            PB7
#define PIN_WIRE_SCL            PB6

// Timer Definitions (optional)
// Use TIM6/TIM7 when possible as servo and tone don't need GPIO output pin
#define TIMER_TONE              TIM3
#define TIMER_SERVO             TIM2

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

// Extra HAL modules
#if defined(STM32F103xE) || defined(STM32F103xG)
#define HAL_DAC_MODULE_ENABLED
#define HAL_SD_MODULE_ENABLED
#define HAL_SRAM_MODULE_ENABLED
#endif

// Default pin used for 'Serial' instance (ex: ST-Link)
// Mandatory for Firmata
#define PIN_SERIAL_RX           PA10
#define PIN_SERIAL_TX           PA9

#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    Serial1
#endif

#endif /* _VARIANT_ARDUINO_STM32_ */