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circuitpython/ports/stm32/pin_defs_stm32.h

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/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2013, 2014 Damien P. George
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
// This file contains pin definitions that are specific to the stm32 port.
// This file should only ever be #included by pin.h and not directly.
enum {
PORT_A,
PORT_B,
PORT_C,
PORT_D,
PORT_E,
PORT_F,
PORT_G,
PORT_H,
PORT_I,
PORT_J,
PORT_K,
};
enum {
AF_FN_TIM,
AF_FN_I2C,
AF_FN_USART,
AF_FN_UART = AF_FN_USART,
AF_FN_SPI,
AF_FN_I2S,
AF_FN_SDMMC,
};
enum {
AF_PIN_TYPE_TIM_CH1 = 0,
AF_PIN_TYPE_TIM_CH2,
AF_PIN_TYPE_TIM_CH3,
AF_PIN_TYPE_TIM_CH4,
AF_PIN_TYPE_TIM_CH1N,
AF_PIN_TYPE_TIM_CH2N,
AF_PIN_TYPE_TIM_CH3N,
AF_PIN_TYPE_TIM_CH1_ETR,
AF_PIN_TYPE_TIM_ETR,
AF_PIN_TYPE_TIM_BKIN,
AF_PIN_TYPE_I2C_SDA = 0,
AF_PIN_TYPE_I2C_SCL,
AF_PIN_TYPE_USART_TX = 0,
AF_PIN_TYPE_USART_RX,
AF_PIN_TYPE_USART_CTS,
AF_PIN_TYPE_USART_RTS,
AF_PIN_TYPE_USART_CK,
AF_PIN_TYPE_UART_TX = AF_PIN_TYPE_USART_TX,
AF_PIN_TYPE_UART_RX = AF_PIN_TYPE_USART_RX,
AF_PIN_TYPE_UART_CTS = AF_PIN_TYPE_USART_CTS,
AF_PIN_TYPE_UART_RTS = AF_PIN_TYPE_USART_RTS,
AF_PIN_TYPE_SPI_MOSI = 0,
AF_PIN_TYPE_SPI_MISO,
AF_PIN_TYPE_SPI_SCK,
AF_PIN_TYPE_SPI_NSS,
AF_PIN_TYPE_I2S_CK = 0,
AF_PIN_TYPE_I2S_MCK,
AF_PIN_TYPE_I2S_SD,
AF_PIN_TYPE_I2S_WS,
AF_PIN_TYPE_I2S_EXTSD,
AF_PIN_TYPE_SDMMC_CK = 0,
AF_PIN_TYPE_SDMMC_CMD,
AF_PIN_TYPE_SDMMC_D0,
AF_PIN_TYPE_SDMMC_D1,
AF_PIN_TYPE_SDMMC_D2,
AF_PIN_TYPE_SDMMC_D3,
};
// The HAL uses a slightly different naming than we chose, so we provide
// some #defines to massage things. Also I2S and SPI share the same
// peripheral.
#define GPIO_AF5_I2S2 GPIO_AF5_SPI2
#define GPIO_AF5_I2S3 GPIO_AF5_I2S3ext
#define GPIO_AF6_I2S2 GPIO_AF6_I2S2ext
#define GPIO_AF6_I2S3 GPIO_AF6_SPI3
#define GPIO_AF7_I2S2 GPIO_AF7_SPI2
#define GPIO_AF7_I2S3 GPIO_AF7_I2S3ext
#define I2S2 SPI2
#define I2S3 SPI3
enum {
PIN_ADC1 = (1 << 0),
PIN_ADC2 = (1 << 1),
PIN_ADC3 = (1 << 2),
};
// Note that SPI and I2S are really the same peripheral as far as the HAL
// is concerned, so there is no I2S_TypeDef.
// We use void* for SDMMC because not all MCUs have the SDMMC_TypeDef type.
#define PIN_DEFS_PORT_AF_UNION \
TIM_TypeDef *TIM; \
I2C_TypeDef *I2C; \
USART_TypeDef *USART; \
USART_TypeDef *UART; \
SPI_TypeDef *SPI;\
SPI_TypeDef *I2S; \
void *SDMMC; \
typedef GPIO_TypeDef pin_gpio_t;