61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
/**
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******************************************************************************
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* @file I2C/I2C_TwoBoards_ComPolling/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 "stm32f7xx_hal.h"
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#include "stm32746g_discovery.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_PCLK1
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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_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_8
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#define I2Cx_SCL_GPIO_PORT GPIOB
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#define I2Cx_SDA_PIN GPIO_PIN_9
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#define I2Cx_SDA_GPIO_PORT GPIOB
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#define I2Cx_SCL_SDA_AF GPIO_AF4_I2C1
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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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