[HAL][UART] Correct DMA Rx abort procedure impact on ongoing Tx transfer in polling mode

TOUNSTM · TOUNSTM · commit 6748d5370a30 · 2024-08-27T17:03:57.000+01:00
diff --git a/Src/stm32c0xx_hal_uart.c b/Src/stm32c0xx_hal_uart.c
@@ -3844,7 +3844,6 @@ static void UART_DMAAbortOnError(DMA_HandleTypeDef *hdma)
 {
   UART_HandleTypeDef *huart = (UART_HandleTypeDef *)(hdma->Parent);
   huart->RxXferCount = 0U;
-  huart->TxXferCount = 0U;
 
 #if (USE_HAL_UART_REGISTER_CALLBACKS == 1)
   /*Call registered error callback*/

Original file line number	Diff line number	Diff line change
`@@ -3844,7 +3844,6 @@ static void UART_DMAAbortOnError(DMA_HandleTypeDef *hdma)`
`3844`	`3844`	`{`
`3845`	`3845`	`UART_HandleTypeDef huart = (UART_HandleTypeDef )(hdma->Parent);`
`3846`	`3846`	`huart->RxXferCount = 0U;`
`3847`		`- huart->TxXferCount = 0U;`
`3848`	`3847`
`3849`	`3848`	`#if (USE_HAL_UART_REGISTER_CALLBACKS == 1)`
`3850`	`3849`	`/Call registered error callback/`