this

commaai · Jan 29, 2018 · a9f6bf0 · a9f6bf0
1 parent 8b7e849
commit a9f6bf0
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/board/drivers/uart.h b/board/drivers/uart.h
@@ -169,7 +169,7 @@ void uart_dma_drain() {
 
   enter_critical_section();
 
-  if (DMA2_Stream5->NDTR != USART1_DMA_LEN) {
+  if (DMA2->HISR & DMA_HISR_TCIF5 || DMA2->HISR & DMA_HISR_HTIF5 || DMA2_Stream5->NDTR != USART1_DMA_LEN) {
     // disable DMA
     //q->uart->CR3 &= ~USART_CR3_DMAR;
     DMA2_Stream5->CR &= ~DMA_SxCR_EN;