/* USER CODE END Header */
/* Includes ------------------------------------------------------------------*/
#include "main.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
#define I2C_ADDRESS 0x0F
#define TXBUFFERSIZE 1
#define RXBUFFERSIZE 1
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
I2C_HandleTypeDef hi2c2;
/* USER CODE BEGIN PV */
uint8_t aTxBuffer[]={ 5};
uint8_t aRxBuffer[RXBUFFERSIZE];
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_I2C2_Init(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration--------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* USER CODE BEGIN Init */
/* USER CODE END Init */
/* Configure the system clock */
SystemClock_Config();
/* USER CODE BEGIN SysInit */
/* USER CODE END SysInit */
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_I2C2_Init();
/* USER CODE BEGIN 2 */
HAL_I2C_Init(&hi2c2);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* Turn LED2 on: Transfer in Transmission process is correct */
HAL_GPIO_TogglePin(LED_GPIO_Port,LED_Pin);
/*##-2- Start the transmission process #####################################*/
/* While the I2C in reception process, user can transmit data through
"aTxBuffer" buffer */
/* Timeout is set to 10S */
while(HAL_I2C_Master_Transmit(&hi2c2, (uint16_t)I2C_ADDRESS, (uint8_t*)aTxBuffer, TXBUFFERSIZE, 10000)!= HAL_OK)
{
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge its address)
Master restarts communication */
if (HAL_I2C_GetError(&hi2c2) != HAL_I2C_ERROR_AF)
{
Error_Handler();
}
HAL_Delay(300);
HAL_GPIO_TogglePin(LED_INST_GPIO_Port,LED_INST_Pin);
HAL_GPIO_TogglePin(LED_S_GPIO_Port,LED_S_Pin);
}
/*##-3- Put I2C peripheral in reception process ############################*/
/* Timeout is set to 10S */
while(HAL_I2C_Master_Receive(&hi2c2, (uint16_t)I2C_ADDRESS, (uint8_t *)aRxBuffer, RXBUFFERSIZE, 10000) != HAL_OK)
{
/* Error_Handler() function is called when Timeout error occurs.
When Acknowledge failure occurs (Slave don't acknowledge it's address)
Master restarts communication */
if (HAL_I2C_GetError(&hi2c2) != HAL_I2C_ERROR_AF)
{
Error_Handler();
}
}
/* Turn LED2 off: Transfer in reception process is correct */
HAL_GPIO_TogglePin(LED_GPIO_Port,LED_Pin);//BSP_LED_Off(LED2);
HAL_Delay(1000);
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
