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stm32: Fix uart_irq_tx_complete() to output correct status

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Currently both uart_stm32_irq_tx_complete() and
uart_stm32_irq_tx_ready() return the TXE flag. However
uart_irq_tx_complete() should really return the TC flag to output true
"Transmit Complete" status.

Signed-off-by: Tommy Vestermark <tovsurf@vestermark.dk>
This commit is contained in:
Tommy Vestermark 2019-09-25 19:57:35 +02:00 • committed by Maureen Helm
commit 22be864af3
1 changed files with 1 additions and 1 deletions
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2
drivers/serial/uart_stm32.c
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@ -518,7 +518,7 @@ static int uart_stm32_irq_tx_complete(struct device *dev)
{
USART_TypeDef *UartInstance = UART_STRUCT(dev);
return LL_USART_IsActiveFlag_TXE(UartInstance);
return LL_USART_IsActiveFlag_TC(UartInstance);
}
static void uart_stm32_irq_rx_enable(struct device *dev)