/**
* @brief Writes a single data.
* @param Addr: I2C address
* @param Reg: Register address
* @param Value: Data to be written
* @retval None
*/
static void I2C1_Write(uint8_t Addr, uint8_t Reg, uint8_t Value)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&heval_I2c1, Addr, (uint16_t)Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, 100);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2C1_Error();
}
}
/**
* @brief Write a value in a register of the device through BUS.
* @param Addr: Device address on BUS Bus.
* @param Reg: The target register address to write
* @param RegSize: The target register size (can be 8BIT or 16BIT)
* @param pBuffer: The target register value to be written
* @param Length: buffer size to be written
* @retval None
*/
static HAL_StatusTypeDef I2C1_WriteBuffer(uint16_t Addr, uint8_t Reg, uint16_t RegSize, uint8_t *pBuffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Mem_Write(&heval_I2c1, Addr, Reg, RegSize, pBuffer, Length, I2c1Timeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Re-Initiaize the BUS */
I2C1_Error();
}
return status;
}
/**
* @brief Reads a single data.
* @param Addr: I2C address
* @param Reg: Register address
* @retval Read data
*/
static uint8_t I2C1_Read(uint8_t Addr, uint8_t Reg)
{
HAL_StatusTypeDef status = HAL_OK;
uint8_t Value = 0;
status = HAL_I2C_Mem_Read(&heval_I2c1, Addr, Reg, I2C_MEMADD_SIZE_8BIT, &Value, 1, 1000);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2C1_Error();
}
return Value;
}
/**
* @brief Write buffer through I2C.
* @param Addr: Device address on I2C Bus.
* @param Reg: The target register address to write
* @param pBuffer: The address of the data to be written
* @param Lenght: buffer size to be written
* @retval None
*/
static HAL_StatusTypeDef I2C1_TransmitData(uint8_t *pBuffer, uint16_t Length)
{
HAL_StatusTypeDef status = HAL_OK;
status = HAL_I2C_Slave_Transmit(&heval_I2c1, pBuffer, Length, I2c1Timeout);
/* Check the communication status */
if(status != HAL_OK)
{
/* Execute user timeout callback */
I2C1_Error();
return HAL_ERROR;
}
return HAL_OK;
}
