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usbcdc fonctionnel

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Maxime
2025-05-10 17:25:53 +02:00
parent 800e107efd
commit 13c3752621
3 changed files with 66 additions and 56 deletions
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33
Core/Src/main.c
View File

@@ -110,9 +110,22 @@ int main(void)
/* Infinite loop */
/* USER CODE BEGIN WHILE */
HAL_Delay(3000); // Attends 3 secondes après le boot
char test[] = "Hello from STM32\r\n";
CDC_Transmit_FS((uint8_t*)test, strlen(test));
while (1)
{
/* USER CODE END WHILE */
// LED ON
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6, GPIO_PIN_SET);
char msg_on[] = "LED ON\r\n";
while(CDC_Transmit_FS((uint8_t*)msg_on, strlen(msg_on)) == USBD_BUSY);
HAL_Delay(1000);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_6, GPIO_PIN_RESET);
char msg_off[] = "LED OFF\r\n";
while(CDC_Transmit_FS((uint8_t*)msg_off, strlen(msg_off)) == USBD_BUSY);
HAL_Delay(1000);
/* USER CODE BEGIN 3 */
}
@@ -415,7 +428,6 @@ static void MX_TIM8_Init(void)
/* USER CODE END TIM8_Init 0 */
TIM_ClockConfigTypeDef sClockSourceConfig = {0};
TIM_MasterConfigTypeDef sMasterConfig = {0};
TIM_OC_InitTypeDef sConfigOC = {0};
TIM_BreakDeadTimeConfigTypeDef sBreakDeadTimeConfig = {0};
@@ -430,15 +442,6 @@ static void MX_TIM8_Init(void)
htim8.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim8.Init.RepetitionCounter = 0;
htim8.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE;
if (HAL_TIM_Base_Init(&htim8) != HAL_OK)
{
Error_Handler();
}
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
if (HAL_TIM_ConfigClockSource(&htim8, &sClockSourceConfig) != HAL_OK)
{
Error_Handler();
}
if (HAL_TIM_PWM_Init(&htim8) != HAL_OK)
{
Error_Handler();
@@ -457,10 +460,6 @@ static void MX_TIM8_Init(void)
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
sConfigOC.OCIdleState = TIM_OCIDLESTATE_RESET;
sConfigOC.OCNIdleState = TIM_OCNIDLESTATE_RESET;
if (HAL_TIM_PWM_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
{
Error_Handler();
}
if (HAL_TIM_PWM_ConfigChannel(&htim8, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
{
Error_Handler();
@@ -505,7 +504,7 @@ static void MX_GPIO_Init(void)
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);
HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0|GPIO_PIN_6, GPIO_PIN_RESET);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOA, GPIO_PIN_10, GPIO_PIN_RESET);
@@ -526,8 +525,8 @@ static void MX_GPIO_Init(void)
GPIO_InitStruct.Alternate = GPIO_AF15_EVENTOUT;
HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
/*Configure GPIO pin : PB0 */
GPIO_InitStruct.Pin = GPIO_PIN_0;
/*Configure GPIO pins : PB0 PB6 */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

74
Core/Src/stm32g4xx_hal_msp.c
View File

@@ -176,17 +176,7 @@ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
/* USER CODE BEGIN TIM1_MspInit 1 */
/* USER CODE END TIM1_MspInit 1 */
}
else if(htim_base->Instance==TIM8)
{
/* USER CODE BEGIN TIM8_MspInit 0 */
/* USER CODE END TIM8_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_TIM8_CLK_ENABLE();
/* USER CODE BEGIN TIM8_MspInit 1 */
/* USER CODE END TIM8_MspInit 1 */
}
}
@@ -259,6 +249,29 @@ void HAL_TIM_Encoder_MspInit(TIM_HandleTypeDef* htim_encoder)
}
/**
* @brief TIM_PWM MSP Initialization
* This function configures the hardware resources used in this example
* @param htim_pwm: TIM_PWM handle pointer
* @retval None
*/
void HAL_TIM_PWM_MspInit(TIM_HandleTypeDef* htim_pwm)
{
if(htim_pwm->Instance==TIM8)
{
/* USER CODE BEGIN TIM8_MspInit 0 */
/* USER CODE END TIM8_MspInit 0 */
/* Peripheral clock enable */
__HAL_RCC_TIM8_CLK_ENABLE();
/* USER CODE BEGIN TIM8_MspInit 1 */
/* USER CODE END TIM8_MspInit 1 */
}
}
void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
@@ -291,16 +304,8 @@ void HAL_TIM_MspPostInit(TIM_HandleTypeDef* htim)
__HAL_RCC_GPIOB_CLK_ENABLE();
/**TIM8 GPIO Configuration
PB6 ------> TIM8_CH1
PB8-BOOT0 ------> TIM8_CH2
*/
GPIO_InitStruct.Pin = GPIO_PIN_6;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
GPIO_InitStruct.Alternate = GPIO_AF5_TIM8;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_8;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
@@ -333,17 +338,6 @@ void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
/* USER CODE END TIM1_MspDeInit 1 */
}
else if(htim_base->Instance==TIM8)
{
/* USER CODE BEGIN TIM8_MspDeInit 0 */
/* USER CODE END TIM8_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_TIM8_CLK_DISABLE();
/* USER CODE BEGIN TIM8_MspDeInit 1 */
/* USER CODE END TIM8_MspDeInit 1 */
}
}
@@ -396,6 +390,28 @@ void HAL_TIM_Encoder_MspDeInit(TIM_HandleTypeDef* htim_encoder)
}
/**
* @brief TIM_PWM MSP De-Initialization
* This function freeze the hardware resources used in this example
* @param htim_pwm: TIM_PWM handle pointer
* @retval None
*/
void HAL_TIM_PWM_MspDeInit(TIM_HandleTypeDef* htim_pwm)
{
if(htim_pwm->Instance==TIM8)
{
/* USER CODE BEGIN TIM8_MspDeInit 0 */
/* USER CODE END TIM8_MspDeInit 0 */
/* Peripheral clock disable */
__HAL_RCC_TIM8_CLK_DISABLE();
/* USER CODE BEGIN TIM8_MspDeInit 1 */
/* USER CODE END TIM8_MspDeInit 1 */
}
}
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */