Merge pull request #1608 from MultiTechSystems/f4-serial-overrun

avoid getting stuck in serial IRQ if ORE is set without RXNE
2016-03-14 16:02:28 +00:00 · 2016-03-14 16:02:28 +00:00 · 2144dadad2
parent 9db204bcf0 68b034541a
commit 2144dadad2
1 changed files with 3 additions and 0 deletions
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F4/serial_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_STM32F4/serial_api.c
@ -451,6 +451,9 @@ static void uart_irq(int id)
            irq_handler(serial_irq_ids[id], RxIrq);
            __HAL_UART_CLEAR_FLAG(handle, UART_FLAG_RXNE);
        }
+        if (__HAL_UART_GET_FLAG(handle, UART_FLAG_ORE) != RESET) {
+            uint8_t c = handle->Instance->DR;
+        }
    }
 }