Diff: targets/TARGET_STM/TARGET_STM32F4/serial_device.c

Revision:

171:19eb464bc2be

Parent:

168:9672193075cf

Child:

178:d650f5d4c87a

--- a/targets/TARGET_STM/TARGET_STM32F4/serial_device.c	Wed Jul 19 17:31:21 2017 +0100
+++ b/targets/TARGET_STM/TARGET_STM32F4/serial_device.c	Thu Aug 03 13:13:39 2017 +0100
@@ -273,16 +273,15 @@
     UART_HandleTypeDef * huart = &uart_handlers[id];
     
     if (serial_irq_ids[id] != 0) {
-        if (__HAL_UART_GET_FLAG(huart, UART_FLAG_TC) != RESET) {
-            if (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TC) != RESET) {
+        if (__HAL_UART_GET_FLAG(huart, UART_FLAG_TXE) != RESET) {
+            if (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_TXE) != RESET) {
                 irq_handler(serial_irq_ids[id], TxIrq);
-                __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_TC);
             }
         }
         if (__HAL_UART_GET_FLAG(huart, UART_FLAG_RXNE) != RESET) {
             if (__HAL_UART_GET_IT_SOURCE(huart, UART_IT_RXNE) != RESET) {
                 irq_handler(serial_irq_ids[id], RxIrq);
-                __HAL_UART_CLEAR_FLAG(huart, UART_FLAG_RXNE);
+                /*  Flag has been cleared when reading the content */
             }
         }
         if (__HAL_UART_GET_FLAG(huart, UART_FLAG_ORE) != RESET) {
@@ -438,7 +437,7 @@
         if (irq == RxIrq) {
             __HAL_UART_ENABLE_IT(huart, UART_IT_RXNE);
         } else { // TxIrq
-            __HAL_UART_ENABLE_IT(huart, UART_IT_TC);
+            __HAL_UART_ENABLE_IT(huart, UART_IT_TXE);
         }
             NVIC_SetVector(irq_n, vector);
             NVIC_EnableIRQ(irq_n);
@@ -452,7 +451,7 @@
                 all_disabled = 1;
             }
         } else { // TxIrq
-            __HAL_UART_DISABLE_IT(huart, UART_IT_TC);
+            __HAL_UART_DISABLE_IT(huart, UART_IT_TXE);
             // Check if RxIrq is disabled too
             if ((huart->Instance->CR1 & USART_CR1_RXNEIE) == 0) {
                 all_disabled = 1;