ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

[NUCLEO_F334R8] Improvement of Serial hal

pull/459/head
bcostm 2014-08-21 09:58:05 +02:00
parent 91ee61cc17
commit 5655a56941
1 changed files with 9 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F334R8/serial_api.c
View File

@ -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);
}
@ -219,9 +223,7 @@ 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);
// [TODO] Check which line works the best
__HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST);
//__HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_RXNE);
volatile uint32_t tmpval = UartHandle.Instance->RDR; // Clear RXNE bit
}
}
}
@ -287,9 +289,9 @@ 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;
}
@ -346,8 +348,8 @@ int serial_writable(serial_t *obj)
void serial_clear(serial_t *obj)
{
UartHandle.Instance = (USART_TypeDef *)(obj->uart);
__HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TXE);
__HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_RXNE);
__HAL_UART_CLEAR_IT(&UartHandle, UART_FLAG_TC);
__HAL_UART_SEND_REQ(&UartHandle, UART_RXDATA_FLUSH_REQUEST);
}
void serial_pinout_tx(PinName tx)