diff options
Diffstat (limited to 'os/hal/ports')
| -rw-r--r-- | os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c b/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c index 0012ef259..e74f8b553 100644 --- a/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c +++ b/os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c @@ -243,7 +243,7 @@ static void usart_start(UARTDriver *uartp) { cr1 = USART_CR1_UE | USART_CR1_PEIE | USART_CR1_TE | USART_CR1_RE;
u->CR1 = uartp->config->cr1 | cr1;
- /* Set receive timeout and check it appliance */
+ /* Set receive timeout and checks if it is really applied.*/
if (tmo > 0) {
osalDbgAssert(tmo <= USART_RTOR_RTO, "Timeout overflow");
u->RTOR = tmo;
@@ -334,7 +334,9 @@ static void serve_usart_irq(UARTDriver *uartp) { _uart_tx2_isr_code(uartp);
}
- if ((isr & USART_ISR_IDLE) || (isr & USART_ISR_RTOF)) {
+ /* Timeout interrupt sources are only checked if enabled in CR1.*/
+ if (((cr1 & USART_CR1_IDLEIE) && (isr & USART_ISR_IDLE)) ||
+ ((cr1 & USART_CR1_RTOIE) && (isr & USART_ISR_RTOF))) {
_uart_timeout_isr_code(uartp);
}
}
|