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STM32: Update and align serial_clear implementations 

Clear RXNE flag by reading the RX register and align this implementation
on all families.
pull/11938/head
Laurent Meunier 2019-11-25 11:24:38 +01:00
parent 7fbe0c6b41
commit f20529f9e6
11 changed files with 35 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
targets/TARGET_STM/TARGET_STM32F0/serial_device.c
View File

@ -281,8 +281,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
huart->TxXferCount = 0;
huart->RxXferCount = 0;
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)

7
targets/TARGET_STM/TARGET_STM32F1/serial_device.c
View File

@ -196,8 +196,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
huart->TxXferCount = 0;
huart->RxXferCount = 0;
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->DR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)
@ -576,7 +577,7 @@ void serial_rx_abort_asynch(serial_t *obj)
// clear flags
__HAL_UART_CLEAR_FLAG(huart, UART_FLAG_RXNE);
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->DR; // Clear errors flag
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->DR; // Clear Rx empty flag
// reset states
huart->RxXferCount = 0;

7
targets/TARGET_STM/TARGET_STM32F2/serial_device.c
View File

@ -253,8 +253,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
huart->TxXferCount = 0;
huart->RxXferCount = 0;
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->DR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)
@ -659,7 +660,7 @@ void serial_rx_abort_asynch(serial_t *obj)
// clear flags
__HAL_UART_CLEAR_FLAG(huart, UART_FLAG_RXNE);
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->DR; // Clear error flags
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->DR; // Clear Rx empty flags
// reset states
huart->RxXferCount = 0;

4
targets/TARGET_STM/TARGET_STM32F3/serial_device.c
View File

@ -228,7 +228,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
__HAL_UART_SEND_REQ(huart, UART_RXDATA_FLUSH_REQUEST);
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)

5
targets/TARGET_STM/TARGET_STM32F4/serial_device.c
View File

@ -289,8 +289,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
huart->TxXferCount = 0;
huart->RxXferCount = 0;
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->DR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)

5
targets/TARGET_STM/TARGET_STM32F7/serial_device.c
View File

@ -252,8 +252,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
__HAL_UART_CLEAR_IT(huart, UART_FLAG_TXE);
__HAL_UART_CLEAR_IT(huart, UART_FLAG_RXNE);
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)

5
targets/TARGET_STM/TARGET_STM32H7/serial_device.c
View File

@ -265,8 +265,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
__HAL_UART_CLEAR_IT(huart, UART_FLAG_TXE);
__HAL_UART_CLEAR_IT(huart, UART_FLAG_RXNE);
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)

5
targets/TARGET_STM/TARGET_STM32L0/serial_device.c
View File

@ -222,8 +222,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
huart->TxXferCount = 0;
huart->RxXferCount = 0;
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)

5
targets/TARGET_STM/TARGET_STM32L1/serial_device.c
View File

@ -222,8 +222,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
huart->TxXferCount = 0;
huart->RxXferCount = 0;
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->DR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)

5
targets/TARGET_STM/TARGET_STM32L4/serial_device.c
View File

@ -241,8 +241,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
huart->TxXferCount = 0;
huart->RxXferCount = 0;
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)

5
targets/TARGET_STM/TARGET_STM32WB/serial_device.c
View File

@ -186,8 +186,9 @@ void serial_clear(serial_t *obj)
struct serial_s *obj_s = SERIAL_S(obj);
UART_HandleTypeDef *huart = &uart_handlers[obj_s->index];
huart->TxXferCount = 0;
huart->RxXferCount = 0;
/* Clear RXNE and error flags */
volatile uint32_t tmpval __attribute__((unused)) = huart->Instance->RDR;
HAL_UART_ErrorCallback(huart);
}
void serial_break_set(serial_t *obj)