Configuration of UART driver interface for hyperterminal communication. More...

#include "usart_if.h"
#include "stm32_seq.h"

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Functions
UTIL_ADV_TRACE_Status_t	vcom_Init (void(cb)(void ))
	Init the UART and associated DMA.
UTIL_ADV_TRACE_Status_t	vcom_DeInit (void)
	DeInit the UART and associated DMA.
void	vcom_Trace (uint8_t *p_data, uint16_t size)
	send buffer `p_data` of size `size` to vcom in polling mode
UTIL_ADV_TRACE_Status_t	vcom_Trace_DMA (uint8_t *p_data, uint16_t size)
	send buffer `p_data` of size `size` to vcom using DMA
UTIL_ADV_TRACE_Status_t	vcom_ReceiveInit (void(RxCb)(uint8_t rxChar, uint16_t size, uint8_t error))
	init receiver of vcom
void	vcom_Resume (void)
	Resume the UART and associated DMA (used by LPM).
void	HAL_UART_TxCpltCallback (UART_HandleTypeDef *huart)
void	HAL_UART_RxCpltCallback (UART_HandleTypeDef *huart)
int	HAL_UART_RxCharMT (UART_HandleTypeDef *huart, uint8_t charRx)
	called if char is ready from UART
UTIL_ADV_TRACE_Status_t	Uart_Info (const char *strInfo)
	Write to UART1.
UTIL_ADV_TRACE_Status_t	Uart_NextReceving ()
	continue with next reading if data arrived
UTIL_ADV_TRACE_Status_t	Uart_StartReceving (UART_HandleTypeDef *uart)
	start reading

Variables
DMA_HandleTypeDef	hdma_usart1_tx
	DMA handle.
UART_HandleTypeDef	huart1
	UART handle.
uint8_t	charRx
	buffer to receive 1 character
char	uart_req_buf [100]
char *	uart_req_w_ptr
static UART_HandleTypeDef *	_curUart = NULL
const UTIL_ADV_TRACE_Driver_s	UTIL_TraceDriver
	Trace driver callbacks handler.
static void(*	TxCpltCallback )(void *)
	TX complete callback.
static void(*	RxCpltCallback )(uint8_t *rxChar, uint16_t size, uint8_t error)
	RX complete callback.

Detailed Description

Configuration of UART driver interface for hyperterminal communication.

Author: MCD Application Team

Attention

This software is licensed under terms that can be found in the LICENSE file in the root directory of this software component. If no LICENSE file comes with this software, it is provided AS-IS.

Definition in file usart_if.c.

Function Documentation

◆ HAL_UART_RxCharMT()

int HAL_UART_RxCharMT	(	UART_HandleTypeDef *	huart,
		uint8_t	charRx )

called if char is ready from UART

Return values

-1	- other UART, 0 - char is accepted, next receiving must start, 1 - data ready

Definition at line 279 of file usart_if.c.

References _curUart, CFG_SEQ_Prio_0, CFG_SEQ_Task_Uart_RX, charRx, uart_req_buf, and uart_req_w_ptr.

Referenced by HAL_UART_RxCpltCallback().

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◆ HAL_UART_RxCpltCallback()

void HAL_UART_RxCpltCallback ( UART_HandleTypeDef * huart )

Definition at line 255 of file usart_if.c.

References charRx, HAL_UART_RxCharMT(), and RxCpltCallback.

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◆ HAL_UART_TxCpltCallback()

void HAL_UART_TxCpltCallback ( UART_HandleTypeDef * huart )

Definition at line 240 of file usart_if.c.

References TxCpltCallback.

Referenced by vcom_Trace_DMA().

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◆ Uart_Info()

UTIL_ADV_TRACE_Status_t Uart_Info ( const char * strInfo )

Write to UART1.

Definition at line 299 of file usart_if.c.

References vcom_Trace().

Referenced by writeLogNL().

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◆ Uart_NextReceving()

UTIL_ADV_TRACE_Status_t Uart_NextReceving ( )

continue with next reading if data arrived

Definition at line 306 of file usart_if.c.

References uart_req_buf, and uart_req_w_ptr.

Referenced by Uart_RxProcessing(), and Uart_StartReceving().

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◆ Uart_StartReceving()

UTIL_ADV_TRACE_Status_t Uart_StartReceving ( UART_HandleTypeDef * uart )

start reading

Parameters

uart	- handle for the uart being used

Definition at line 313 of file usart_if.c.

References _curUart, Uart_NextReceving(), and vcom_ReceiveInit().

Referenced by uart_Start().

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◆ vcom_DeInit()

UTIL_ADV_TRACE_Status_t vcom_DeInit ( void )

DeInit the UART and associated DMA.

Returns: UTIL_ADV_TRACE_Status_t

Definition at line 120 of file usart_if.c.

References HAL_UART_MspDeInit(), and huart1.

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◆ vcom_Init()

UTIL_ADV_TRACE_Status_t vcom_Init ( void(* cb )(void *) )

Init the UART and associated DMA.

Parameters

cb	TxCpltCallback

Returns: UTIL_ADV_TRACE_Status_t

Definition at line 105 of file usart_if.c.

References MX_DMA_Init(), MX_USART1_UART_Init(), and TxCpltCallback.

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◆ vcom_ReceiveInit()

UTIL_ADV_TRACE_Status_t vcom_ReceiveInit ( void(* RxCb )(uint8_t *rxChar, uint16_t size, uint8_t error) )

init receiver of vcom

Parameters

RxCb	callback when Rx char is received

Returns: UTIL_ADV_TRACE_Status_t

Definition at line 177 of file usart_if.c.

References charRx, huart1, and RxCpltCallback.

Referenced by Uart_StartReceving().

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◆ vcom_Resume()

void vcom_Resume ( void )

Resume the UART and associated DMA (used by LPM).

Definition at line 217 of file usart_if.c.

References Error_Handler(), hdma_usart1_tx, and huart1.

Referenced by PWR_ExitStopMode().

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◆ vcom_Trace()

void vcom_Trace	(	uint8_t *	p_data,
		uint16_t	size )

send buffer p_data of size size to vcom in polling mode

Parameters

p_data	data to be sent
size	of buffer p_data to be sent

Definition at line 145 of file usart_if.c.

References huart1.

Referenced by Uart_Info().

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◆ vcom_Trace_DMA()

UTIL_ADV_TRACE_Status_t vcom_Trace_DMA	(	uint8_t *	p_data,
		uint16_t	size )

send buffer p_data of size size to vcom using DMA

Parameters

p_data	data to be sent
size	of buffer p_data to be sent

Returns: UTIL_ADV_TRACE_Status_t

Definition at line 158 of file usart_if.c.

References HAL_UART_TxCpltCallback(), and huart1.

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Variable Documentation

◆ _curUart

UART_HandleTypeDef* _curUart = NULL

static

Definition at line 48 of file usart_if.c.

Referenced by HAL_UART_RxCharMT(), and Uart_StartReceving().

◆ charRx

uint8_t charRx

buffer to receive 1 character

Definition at line 42 of file usart_if.c.

Referenced by HAL_UART_RxCharMT(), HAL_UART_RxCpltCallback(), vcom_DMA_TX_IRQHandler(), and vcom_ReceiveInit().

◆ hdma_usart1_tx

DMA_HandleTypeDef hdma_usart1_tx

extern

DMA handle.

Definition at line 31 of file usart.c.

◆ huart1

UART_HandleTypeDef huart1

extern

UART handle.

Definition at line 30 of file usart.c.

◆ RxCpltCallback

void(* RxCpltCallback) (uint8_t *rxChar, uint16_t size, uint8_t error)	(	uint8_t *	rxChar,
		uint16_t	size,
		uint8_t	error )

static

RX complete callback.

Parameters

rxChar	ptr of chars buffer sent by user
size	buffer size
error	errorcode

Returns: none

Definition at line 91 of file usart_if.c.

Referenced by HAL_UART_RxCpltCallback(), and vcom_ReceiveInit().

◆ TxCpltCallback

void(* TxCpltCallback) (void *) ( void * )

static

TX complete callback.

Returns: none

Definition at line 83 of file usart_if.c.

Referenced by HAL_UART_TxCpltCallback(), and vcom_Init().

◆ uart_req_buf

char uart_req_buf[100]

Definition at line 46 of file usart_if.c.

Referenced by HAL_UART_RxCharMT(), and Uart_NextReceving().

◆ uart_req_w_ptr

char* uart_req_w_ptr

Definition at line 47 of file usart_if.c.

Referenced by HAL_UART_RxCharMT(), and Uart_NextReceving().

◆ UTIL_TraceDriver

const UTIL_ADV_TRACE_Driver_s UTIL_TraceDriver

Initial value:

                                               =
{
  vcom_Init,
  vcom_DeInit,
  vcom_ReceiveInit,
  vcom_Trace_DMA,
}

Trace driver callbacks handler.

Definition at line 56 of file usart_if.c.

Functions

Variables

Detailed Description

Function Documentation

◆ HAL_UART_RxCharMT()

◆ HAL_UART_RxCpltCallback()

◆ HAL_UART_TxCpltCallback()

◆ Uart_Info()

◆ Uart_NextReceving()

◆ Uart_StartReceving()

◆ vcom_DeInit()

◆ vcom_Init()

◆ vcom_ReceiveInit()

◆ vcom_Resume()

◆ vcom_Trace()

◆ vcom_Trace_DMA()

Variable Documentation

◆ _curUart

◆ charRx

◆ hdma_usart1_tx

◆ huart1

◆ RxCpltCallback

◆ TxCpltCallback

◆ uart_req_buf

◆ uart_req_w_ptr

◆ UTIL_TraceDriver