LuChiChick/STM32G030F6P6_Evaluation
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

commit for I2C2 peripheral config with TX DMA channel, working on 400kHz fast mode.

Browse Source
This commit is contained in:
LuChiChick
2026-08-28 15:33:48 +08:00
parent 983d63e3a5
commit dc8b4bdb5f
8 changed files with 207 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Core/Src/stm32g0xx_it.c
+37
View File
@@ -56,7 +56,9 @@
/* External variables --------------------------------------------------------*/
extern DMA_HandleTypeDef hdma_i2c1_rx;
extern DMA_HandleTypeDef hdma_i2c2_tx;
extern I2C_HandleTypeDef hi2c1;
extern I2C_HandleTypeDef hi2c2;
extern DMA_HandleTypeDef hdma_usart2_rx;
extern DMA_HandleTypeDef hdma_usart2_tx;
extern UART_HandleTypeDef huart2;
@@ -164,6 +166,20 @@ void DMA1_Channel2_3_IRQHandler(void)
/* USER CODE END DMA1_Channel2_3_IRQn 1 */
}
/**
* @brief This function handles DMA1 channel 4, channel 5 and DMAMUX1 interrupts.
*/
void DMA1_Ch4_5_DMAMUX1_OVR_IRQHandler(void)
{
/* USER CODE BEGIN DMA1_Ch4_5_DMAMUX1_OVR_IRQn 0 */
/* USER CODE END DMA1_Ch4_5_DMAMUX1_OVR_IRQn 0 */
HAL_DMA_IRQHandler(&hdma_i2c2_tx);
/* USER CODE BEGIN DMA1_Ch4_5_DMAMUX1_OVR_IRQn 1 */
/* USER CODE END DMA1_Ch4_5_DMAMUX1_OVR_IRQn 1 */
}
/**
* @brief This function handles TIM17 global interrupt.
*/
@@ -199,6 +215,27 @@ void I2C1_IRQHandler(void)
/* USER CODE END I2C1_IRQn 1 */
}
/**
* @brief This function handles I2C2 global interrupt.
*/
void I2C2_IRQHandler(void)
{
/* USER CODE BEGIN I2C2_IRQn 0 */
/* USER CODE END I2C2_IRQn 0 */
if (hi2c2.Instance->ISR & (I2C_FLAG_BERR | I2C_FLAG_ARLO | I2C_FLAG_OVR))
{
HAL_I2C_ER_IRQHandler(&hi2c2);
}
else
{
HAL_I2C_EV_IRQHandler(&hi2c2);
}
/* USER CODE BEGIN I2C2_IRQn 1 */
/* USER CODE END I2C2_IRQn 1 */
}
/**
* @brief This function handles USART2 global interrupt / USART2 wake-up interrupt through EXTI line 26.
*/