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Diffstat (limited to 'os/hal/ports/STM32/LLD/USARTv1')
-rw-r--r--os/hal/ports/STM32/LLD/USARTv1/serial_lld.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/os/hal/ports/STM32/LLD/USARTv1/serial_lld.c b/os/hal/ports/STM32/LLD/USARTv1/serial_lld.c
index 801b4fa20..89baa94d0 100644
--- a/os/hal/ports/STM32/LLD/USARTv1/serial_lld.c
+++ b/os/hal/ports/STM32/LLD/USARTv1/serial_lld.c
@@ -194,7 +194,7 @@ static void serve_interrupt(SerialDriver *sdp) {
msg_t b;
osalSysLockFromISR();
b = oqGetI(&sdp->oqueue);
- if (b < Q_OK) {
+ if (b < MSG_OK) {
chnAddFlagsI(sdp, CHN_OUTPUT_EMPTY);
u->CR1 = (cr1 & ~USART_CR1_TXEIE) | USART_CR1_TCIE;
}