stm32h747i_discovery_bus.h

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/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef STM32H747I_DISCO_BUS_H
#define STM32H747I_DISCO_BUS_H
 
#ifdef __cplusplus
 extern "C" {
#endif
 
 
 /* Includes ------------------------------------------------------------------*/
#include "stm32h747i_discovery_conf.h"
 
#if defined(BSP_USE_CMSIS_OS)
#include "cmsis_os.h"
#endif
 
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
typedef struct
{
  void (* pMspInitCb)(I2C_HandleTypeDef *);
  void (* pMspDeInitCb)(I2C_HandleTypeDef *);
}BSP_I2C_Cb_t;
#endif /* (USE_HAL_I2C_REGISTER_CALLBACKS == 1) */
 
/* Definition for I2C4 clock resources */
#define BUS_I2C4                              I2C4
#define BUS_I2C4_CLK_ENABLE()                  __HAL_RCC_I2C4_CLK_ENABLE()
#define BUS_I2C4_CLK_DISABLE()                 __HAL_RCC_I2C4_CLK_DISABLE()
#define BUS_I2C4_SCL_GPIO_CLK_ENABLE()         __HAL_RCC_GPIOD_CLK_ENABLE()
#define BUS_I2C4_SCL_GPIO_CLK_DISABLE()        __HAL_RCC_GPIOD_CLK_DISABLE()
#define BUS_I2C4_SDA_GPIO_CLK_ENABLE()         __HAL_RCC_GPIOD_CLK_ENABLE()
#define BUS_I2C4_SDA_GPIO_CLK_DISABLE()        __HAL_RCC_GPIOD_CLK_DISABLE()
 
#define BUS_I2C4_FORCE_RESET()                 __HAL_RCC_I2C4_FORCE_RESET()
#define BUS_I2C4_RELEASE_RESET()               __HAL_RCC_I2C4_RELEASE_RESET()
 
/* Definition for I2C4 Pins */
#define BUS_I2C4_SCL_PIN                       GPIO_PIN_12
#define BUS_I2C4_SDA_PIN                       GPIO_PIN_13
#define BUS_I2C4_SCL_GPIO_PORT                 GPIOD
#define BUS_I2C4_SDA_GPIO_PORT                 GPIOD
#define BUS_I2C4_SCL_AF                        GPIO_AF4_I2C4
#define BUS_I2C4_SDA_AF                        GPIO_AF4_I2C4
 
#ifndef BUS_I2C4_FREQUENCY
   #define BUS_I2C4_FREQUENCY  100000U /* Frequency of I2Cn = 100 KHz*/
#endif
 
extern I2C_HandleTypeDef hbus_i2c4;
int32_t BSP_I2C4_Init(void);
int32_t BSP_I2C4_DeInit(void);
int32_t BSP_I2C4_WriteReg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
int32_t BSP_I2C4_ReadReg(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
int32_t BSP_I2C4_WriteReg16(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
int32_t BSP_I2C4_ReadReg16(uint16_t DevAddr, uint16_t Reg, uint8_t *pData, uint16_t Length);
int32_t BSP_I2C4_IsReady(uint16_t DevAddr, uint32_t Trials);
int32_t BSP_GetTick(void);
#if (USE_HAL_I2C_REGISTER_CALLBACKS == 1)
int32_t BSP_I2C4_RegisterDefaultMspCallbacks (void);
int32_t BSP_I2C4_RegisterMspCallbacks (BSP_I2C_Cb_t *Callback);
#endif /* USE_HAL_I2C_REGISTER_CALLBACKS */
HAL_StatusTypeDef MX_I2C4_Init(I2C_HandleTypeDef *phi2c, uint32_t timing);
#ifdef __cplusplus
}
#endif
 
#endif /* STM32H747I_DISCO_BUS_H */
 
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/