From 91ee61cc17cfa67f3d94d1e3eb78f1b4825ceee9 Mon Sep 17 00:00:00 2001 From: bcostm Date: Thu, 21 Aug 2014 09:54:11 +0200 Subject: [PATCH] [NUCLEO_L053R8] Improvement of Serial hal --- .../TARGET_STM/TARGET_NUCLEO_L053R8/serial_api.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/serial_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/serial_api.c index fa508aae3d..fe1151dc83 100644 --- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/serial_api.c +++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/serial_api.c @@ -91,6 +91,10 @@ static void init_uart(serial_t *obj) { UartHandle.Init.Mode = UART_MODE_TX_RX; } + // Disable the reception overrun detection + UartHandle.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_RXOVERRUNDISABLE_INIT; + UartHandle.AdvancedInit.OverrunDisable = UART_ADVFEATURE_OVERRUN_DISABLE; + HAL_UART_Init(&UartHandle); } @@ -217,7 +221,7 @@ static void uart_irq(UARTName name, int id) { } if (__HAL_UART_GET_FLAG(&UartHandle, UART_FLAG_RXNE) != RESET) { irq_handler(serial_irq_ids[id], RxIrq); - __HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST); + volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit } } } @@ -278,9 +282,9 @@ void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) { if (irq == RxIrq) { __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_RXNE); // Check if TxIrq is disabled too - if ((UartHandle.Instance->CR1 & USART_CR1_TXEIE) == 0) all_disabled = 1; + if ((UartHandle.Instance->CR1 & USART_CR1_TCIE) == 0) all_disabled = 1; } else { // TxIrq - __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TXE); + __HAL_UART_DISABLE_IT(&UartHandle, UART_IT_TC); // Check if RxIrq is disabled too if ((UartHandle.Instance->CR1 & USART_CR1_RXNEIE) == 0) all_disabled = 1; } @@ -297,13 +301,13 @@ void serial_irq_set(serial_t *obj, SerialIrq irq, uint32_t enable) { int serial_getc(serial_t *obj) { USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); while (!serial_readable(obj)); - return (int)(uart->RDR & 0xFF); + return (int)(uart->RDR & (uint32_t)0xFF); } void serial_putc(serial_t *obj, int c) { USART_TypeDef *uart = (USART_TypeDef *)(obj->uart); while (!serial_writable(obj)); - uart->TDR = (uint16_t)(c & 0xFF); + uart->TDR = (uint32_t)(c & (uint32_t)0xFF); } int serial_readable(serial_t *obj) {