ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[B96B_F446VE] bug fix for serial_async unitary test 

do not initialise dma tx/rx when it is not activated.
pull/1493/head
adustm 2016-01-21 15:54:36 +01:00
parent 44cb38ba7c
commit 016976b79d
1 changed files with 20 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F4/serial_api.c
View File

@ -89,6 +89,7 @@ static void init_uart(serial_t *obj)
UartHandle.Init.Mode = UART_MODE_TX_RX;
}
#if DEVICE_SERIAL_ASYNCH_DMA
if (SERIAL_OBJ(pin_tx) != NC) {
// set DMA in the UartHandle
/* Configure the DMA handler for Transmission process */
hdma_tx.Instance = (DMA_Stream_TypeDef *)DMA_UartTx_Stream[SERIAL_OBJ(index)];
@ -109,7 +110,9 @@ static void init_uart(serial_t *obj)
/* Associate the initialized DMA handle to the UART handle */
__HAL_LINKDMA(&UartHandle, hdmatx, hdma_tx);
}
if (SERIAL_OBJ(pin_rx) != NC) {
/* Configure the DMA handler for reception process */
hdma_rx.Instance = (DMA_Stream_TypeDef *)DMA_UartRx_Stream[SERIAL_OBJ(index)];
hdma_rx.Init.Channel = DMA_UartRx_Channel[SERIAL_OBJ(index)];
@ -129,6 +132,7 @@ static void init_uart(serial_t *obj)
/* Associate the initialized DMA handle to the UART handle */
__HAL_LINKDMA(&UartHandle, hdmarx, hdma_rx);
}
#endif
if (HAL_UART_Init(&UartHandle) != HAL_OK) {