Diff: targets/TARGET_STM/TARGET_STM32F0/serial_device.c

Revision:

177:d650f5d4c87a

Parent:

170:19eb464bc2be

Child:

180:96ed750bd169

--- a/targets/TARGET_STM/TARGET_STM32F0/serial_device.c	Wed Oct 25 14:53:38 2017 +0100
+++ b/targets/TARGET_STM/TARGET_STM32F0/serial_device.c	Wed Nov 08 13:50:44 2017 +0000
@@ -478,9 +478,7 @@
 void serial_break_set(serial_t *obj)
 {
     struct serial_s *obj_s = SERIAL_S(obj);
-    UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
-
-    //HAL_LIN_SendBreak(huart);
+    UART_HandleTypeDef *huart __attribute__((unused)) = &uart_handlers[obj_s->index];
 }
 
 #if DEVICE_SERIAL_ASYNCH
@@ -798,9 +796,9 @@
     HAL_UART_IRQHandler(huart);
     
     // Abort if an error occurs
-    if (return_event & SERIAL_EVENT_RX_PARITY_ERROR ||
-            return_event & SERIAL_EVENT_RX_FRAMING_ERROR ||
-            return_event & SERIAL_EVENT_RX_OVERRUN_ERROR) {
+    if ((return_event & SERIAL_EVENT_RX_PARITY_ERROR) ||
+        (return_event & SERIAL_EVENT_RX_FRAMING_ERROR) ||
+        (return_event & SERIAL_EVENT_RX_OVERRUN_ERROR)) {
         return return_event;
     }
     
@@ -874,8 +872,7 @@
     
     // clear flags
     __HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_PEF | UART_CLEAR_FEF | UART_CLEAR_OREF);
-    volatile uint32_t tmpval = huart->Instance->RDR; // Clear RXNE flag
-    UNUSED(tmpval);
+    volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR; // Clear RXNE flag
     
     // reset states
     huart->RxXferCount = 0;