STM32F3: Eliminate two unused variable warnings

bscott-zebra · bscott-zebra · commit 97eaed7b0af4 · 2016-10-25T10:59:19.000-04:00
diff --git a/targets/TARGET_STM/TARGET_STM32F3/serial_api.c b/targets/TARGET_STM/TARGET_STM32F3/serial_api.c
@@ -292,6 +292,7 @@ static void uart_irq(int id)
             if (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE) != RESET) {
             irq_handler(serial_irq_ids[id], RxIrq);
                 volatile uint32_t tmpval = huart->Instance->RDR; // Clear RXNE flag
+                UNUSED(tmpval);
             }
         }
         if (__HAL_UART_GET_FLAG(huart, UART_FLAG_ORE) != RESET) {
@@ -875,6 +876,7 @@ void serial_rx_abort_asynch(serial_t *obj)
     // 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);
     
     // reset states
     huart->RxXferCount = 0;

Original file line number	Diff line number	Diff line change
`@@ -292,6 +292,7 @@ static void uart_irq(int id)`
`292`	`292`	`if (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE) != RESET) {`
`293`	`293`	`irq_handler(serial_irq_ids[id], RxIrq);`
`294`	`294`	`volatile uint32_t tmpval = huart->Instance->RDR; // Clear RXNE flag`
	`295`	`+ UNUSED(tmpval);`
`295`	`296`	`}`
`296`	`297`	`}`
`297`	`298`	`if (__HAL_UART_GET_FLAG(huart, UART_FLAG_ORE) != RESET) {`
`@@ -875,6 +876,7 @@ void serial_rx_abort_asynch(serial_t *obj)`
`875`	`876`	`// clear flags`
`876`	`877`	`__HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_PEF \| UART_CLEAR_FEF \| UART_CLEAR_OREF);`
`877`	`878`	`volatile uint32_t tmpval = huart->Instance->RDR; // Clear RXNE flag`
	`879`	`+ UNUSED(tmpval);`
`878`	`880`
`879`	`881`	`// reset states`
`880`	`882`	`huart->RxXferCount = 0;`