Posted on June 28, 2016 at 16:03
Hello syrine;
Here's my setup but I get nothing. thnks for all.
Usart.c /* Configuration */
UART_HandleTypeDef huart2;
/* USART2 init function */
void MX_USART2_UART_Init(void)
{
huart2.Instance = USART2;
huart2.Init.BaudRate = 9600;
huart2.Init.WordLength = UART_WORDLENGTH_8B;
huart2.Init.StopBits = UART_STOPBITS_1;
huart2.Init.Parity = UART_PARITY_EVEN;
huart2.Init.Mode = UART_MODE_RX;
huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart2.Init.OverSampling = UART_OVERSAMPLING_16;
huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
huart2.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE;
huart2.AdvancedInit.DMADisableonRxError = UART_ADVFEATURE_DMA_DISABLEONRXERROR;
huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_AUTOBAUDRATE_INIT;
/* Configure the AutoBaudRate method */
huart2.AdvancedInit.AutoBaudRateMode = UART_ADVFEATURE_AUTOBAUDRATE_ONSTARTBIT; //Mode 0
/* Enable AutoBaudRate feature */
huart2.AdvancedInit.AutoBaudRateEnable = UART_ADVFEATURE_AUTOBAUDRATE_ENABLE;
/* Wait until Receive enable acknowledge flag is set */
while(__HAL_UART_GET_FLAG(&huart2, UART_FLAG_REACK) == RESET)
{}
/* Wait until Transmit enable acknowledge flag is set */
while(__HAL_UART_GET_FLAG(&huart2, UART_FLAG_TEACK) == RESET)
{}
/* Loop until the end of Autobaudrate phase */
while(__HAL_UART_GET_FLAG(&huart2, UART_FLAG_ABRF) == RESET)
{}
if (HAL_UART_Init(&huart2) != HAL_OK)
{
Error_Handler();
}
}
Main.c
int main(void)
{
//Initialisation de la carte STM32L031K6
HW_Init();
while (1)
{
}
Hardware.c /* Initalisation */
void HW_Init(void)
{
/* Remise à zéro de tous les périphériques, Initialise l'interface flash */
/* et System Timer (SysTick) */
HAL_Init();
/* Configuration de l'horloge à 8Mhz pour notre cas */
SystemClock_Config();
/* Initialisation tous les périphériques configurés GPIO (Led verte) */
/* et USART2*/
MX_GPIO_Init();
MX_USART2_UART_Init();
/* If AutoBaudBate error occurred */
if (__HAL_UART_GET_FLAG(&huart2, UART_FLAG_ABRE) != RESET)
{}
else
{
/* Wait until RXNE flag is set */
while(__HAL_UART_GET_FLAG(&huart2, UART_FLAG_RXNE) == RESET)
{}
/* Wait until TXE flag is set */
while(__HAL_UART_GET_FLAG(&huart2, UART_FLAG_TXE) == RESET)
{}
/* Receive data */
HAL_UART_Receive_IT(&huart2, Rx_data, 1);
}
}
IRQ_Receive.c /* After interruption receive */
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
//Tester L'UART selectionner en l'occurence pour nous c'est l'USART2
if (huart->Instance == USART2)
{
/* Appeler notre fonction receive qui permet de sauvegarder chaque octet */
/* reçu dans un Buffer */
Receive();
HAL_UART_Receive_IT(&huart2, Rx_data, 1);
}
}
