73 lines
3.0 KiB
C
73 lines
3.0 KiB
C
/**
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******************************************************************************
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* @file I2C/I2C_TwoBoards_ComDMA/Inc/main.h
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* @author MCD Application Team
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* @brief Header for main.c module
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2016 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __MAIN_H
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#define __MAIN_H
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f0xx_hal.h"
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#include "stm32f0xx_nucleo.h"
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/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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/* User can use this section to tailor I2Cx/I2Cx instance used and associated
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resources */
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/* Definition for I2Cx clock resources */
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#define I2Cx I2C1
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#define RCC_PERIPHCLK_I2Cx RCC_PERIPHCLK_I2C1
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#define RCC_I2CxCLKSOURCE_SYSCLK RCC_I2C1CLKSOURCE_SYSCLK
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#define I2Cx_CLK_ENABLE() __HAL_RCC_I2C1_CLK_ENABLE()
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#define I2Cx_SDA_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
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#define I2Cx_SCL_GPIO_CLK_ENABLE() __HAL_RCC_GPIOB_CLK_ENABLE()
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#define I2Cx_DMA_CLK_ENABLE() __HAL_RCC_DMA1_CLK_ENABLE()
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#define I2Cx_FORCE_RESET() __HAL_RCC_I2C1_FORCE_RESET()
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#define I2Cx_RELEASE_RESET() __HAL_RCC_I2C1_RELEASE_RESET()
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/* Definition for I2Cx Pins */
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#define I2Cx_SCL_PIN GPIO_PIN_6
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#define I2Cx_SCL_GPIO_PORT GPIOB
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#define I2Cx_SDA_PIN GPIO_PIN_7
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#define I2Cx_SDA_GPIO_PORT GPIOB
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#define I2Cx_SCL_SDA_AF GPIO_AF1_I2C1
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/* Definition for I2Cx's NVIC */
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#define I2Cx_IRQn I2C1_IRQn
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#define I2Cx_IRQHandler I2C1_IRQHandler
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/* Definition for I2Cx's DMA */
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#define I2Cx_DMA DMA1
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#define I2Cx_DMA_INSTANCE_TX DMA1_Channel2
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#define I2Cx_DMA_INSTANCE_RX DMA1_Channel3
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/* Definition for I2Cx's DMA NVIC */
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#define I2Cx_DMA_IRQn DMA1_Channel2_3_IRQn
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#define I2Cx_DMA_IRQHandler DMA1_Channel2_3_IRQHandler
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/* Size of Transmission buffer */
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#define TXBUFFERSIZE (COUNTOF(aTxBuffer) - 1)
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/* Size of Reception buffer */
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#define RXBUFFERSIZE TXBUFFERSIZE
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/* Exported macro ------------------------------------------------------------*/
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#define COUNTOF(__BUFFER__) (sizeof(__BUFFER__) / sizeof(*(__BUFFER__)))
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/* Exported functions ------------------------------------------------------- */
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#endif /* __MAIN_H */
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