bsp.aun2402/source/BSP/I2C.h

#ifndef __I2C_H__
#define __I2C_H__

/* Definition for I2Cx clock resources */
#define BSP_I2Cx_SPEED                          400000
#define BSP_I2Cx_SLAVE_ADDRESS                  0xf0

/* Definition for I2Cx Pins, PULL UP in hw */
#define BSP_I2Cx_SCL_GPIO_PORT                  GPIOB
#define BSP_I2Cx_SCL_GPIO_CLK_ENABLE()          __HAL_RCC_GPIOB_CLK_ENABLE()
#define BSP_I2Cx_SCL_PIN                        GPIO_PIN_10
#define BSP_I2Cx_SCL_PULL                       GPIO_NOPULL

#define BSP_I2Cx_SDA_GPIO_PORT                  GPIOB
#define BSP_I2Cx_SDA_GPIO_CLK_ENABLE()          __HAL_RCC_GPIOB_CLK_ENABLE()
#define BSP_I2Cx_SDA_PIN                        GPIO_PIN_11
#define BSP_I2Cx_SDA_PULL                       GPIO_NOPULL

#define BSP_EEROM_WRITE_PROTECT_PORT            GPIOB
#define BSP_EEROM_WRITE_PROTECT_CLK_ENABLE()    __HAL_RCC_GPIOB_CLK_ENABLE()
#define BSP_EEROM_WRITE_PROTECT_PIN             GPIO_PIN_0
#define BSP_EEROM_WRITE_PROTECT_PULL            GPIO_NOPULL
#define BSP_EEROM_WRITE_ENABLE()                HAL_GPIO_WritePin(BSP_EEROM_WRITE_PROTECT_PORT, BSP_EEROM_WRITE_PROTECT_PIN, GPIO_PIN_RESET)
#define BSP_EEROM_WRITE_FORBIDEN()              HAL_GPIO_WritePin(BSP_EEROM_WRITE_PROTECT_PORT, BSP_EEROM_WRITE_PROTECT_PIN, GPIO_PIN_SET)

#define BSP_RTC_INTERRUPT_PORT                  GPIOB
#define BSP_RTC_INTERRUPT_CLK_ENABLE()          __HAL_RCC_GPIOB_CLK_ENABLE()
#define BSP_RTC_INTERRUPT_PIN                   GPIO_PIN_1
#define BSP_RTC_INTERRUPT_PULL                  GPIO_NOPULL
#define BSP_RTC_INTERRUPT_IRQn                  EXTI1_IRQn
#define BSP_RTC_INTERRUPT_PRIORITY              0x05

/*Device Address*/
#define BSP_RTC_WR_ADDRESS                      0x64
#define BSP_RTC_RD_ADDRESS                      0x65

#define BSP_EEROM_WR_ADDRESS                    0xA0
#define BSP_EEROM_RD_ADDRESS                    0xA1


#define BSP_I2Cx_SCL_HIGH()                     HAL_GPIO_WritePin(BSP_I2Cx_SCL_GPIO_PORT, BSP_I2Cx_SCL_PIN, GPIO_PIN_SET)
#define BSP_I2Cx_SCL_LOW()                      HAL_GPIO_WritePin(BSP_I2Cx_SCL_GPIO_PORT, BSP_I2Cx_SCL_PIN, GPIO_PIN_RESET)

#define BSP_I2Cx_SDA_HIGH()                     HAL_GPIO_WritePin(BSP_I2Cx_SDA_GPIO_PORT, BSP_I2Cx_SDA_PIN, GPIO_PIN_SET)
#define BSP_I2Cx_SDA_LOW()                      HAL_GPIO_WritePin(BSP_I2Cx_SDA_GPIO_PORT, BSP_I2Cx_SDA_PIN, GPIO_PIN_RESET)

#define BSP_I2Cx_SCL_STATUS()                   HAL_GPIO_ReadPin(BSP_I2Cx_SCL_GPIO_PORT, BSP_I2Cx_SCL_PIN)
#define BSP_I2Cx_SDA_STATUS()                   HAL_GPIO_ReadPin(BSP_I2Cx_SDA_GPIO_PORT, BSP_I2Cx_SDA_PIN)

//#define I2C_DELAY_COUNT                         12
#define I2C_DELAY_COUNT                         2

void    I2C_Device_Init(void);

void    I2C_GPIO_Out_Config(void);
void    I2C_GPIO_In_Config(void);

void    I2C_Start(void);
void    I2C_Stop(void);
uint8_t I2C_Wait_Ack(void);
void    I2C_Ack(void);
void    I2C_NAck(void);


#endif