Fixed bug #908.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11209 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/hal/ports/STM32/LLD/USARTv1/hal_uart_lld.c

@@ -733,7 +733,11 @@ void uart_lld_start_send(UARTDriver *uartp, size_t n, const void *txbuf) {
   /* Only enable TC interrupt if there's a callback attached to it or
      if called from uartSendFullTimeout(). Also we need to clear TC flag
      which could be set before.*/
+#if UART_USE_WAIT == TRUE
   if ((uartp->config->txend2_cb != NULL) || (uartp->early == false)) {
+#else
+  if (uartp->config->txend2_cb != NULL) {
+#endif
     uartp->usart->SR = ~USART_SR_TC;
     uartp->usart->CR1 |= USART_CR1_TCIE;
   }

os/hal/ports/STM32/LLD/USARTv2/hal_uart_lld.c

@@ -956,7 +956,11 @@ void uart_lld_start_send(UARTDriver *uartp, size_t n, const void *txbuf) {
   /* Only enable TC interrupt if there's a callback attached to it or
      if called from uartSendFullTimeout(). Also we need to clear TC flag
      which could be set before.*/
+#if UART_USE_WAIT == TRUE
   if ((uartp->config->txend2_cb != NULL) || (uartp->early == false)) {
+#else
+  if (uartp->config->txend2_cb != NULL) {
+#endif
     uartp->usart->ICR = USART_ICR_TCCF;
     uartp->usart->CR1 |= USART_CR1_TCIE;
   }

readme.txt

@@ -165,6 +165,8 @@
        Updated the various platform.mk implementing "smart build" mode.
 - RT:  Fixed compile error with assertions enabled and dynamic extensions
        disabled (bug #909)(backported to 17.6.4).
+- HAL: Fixed compile error HAL UART without WAIT (bug #908)(backported to
+       17.6.4 and 16.1.10).
 - RT:  Fixed gcc7 implicit-fallthrough (bug #906)(backported to 17.6.4
        and 16.1.10).
 - HAL: Fixed gcc7 implicit-fallthrough (bug #906)(backported to 17.6.4