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Handle usart errors.

This commit is contained in:
Gareth McMullin 2016-08-22 09:57:52 +12:00
parent ca364a889e
commit 45e322b9a3
1 changed files with 3 additions and 0 deletions
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3
src/platforms/stm32/usbuart.c
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@ -247,7 +247,10 @@ void usbuart_usb_in_cb(usbd_device *dev, uint8_t ep)
*/
void USBUSART_ISR(void)
{
uint32_t err = USART_SR(USBUSART);
char c = usart_recv(USBUSART);
if (err & (USART_SR_ORE | USART_SR_FE))
return;
/* Turn on LED */
gpio_set(LED_PORT_UART, LED_UART);