/**
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******************************************************************************
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* File Name : USART.h
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* Description : This file provides code for the configuration
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* of the USART instances.
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******************************************************************************
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* @attention
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*
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* <h2><center>© Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.</center></h2>
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*
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* This software component is licensed by ST under Ultimate Liberty license
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* SLA0044, the "License"; You may not use this file except in compliance with
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* the License. You may obtain a copy of the License at:
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* www.st.com/SLA0044
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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __usart_H
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#define __usart_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "main.h"
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typedef enum
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{
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RS485_RECV = 0,
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RS485_SEND
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}RS485DirCtrl_e;
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#define RS485_DIR_PORT GPIOA
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#define RS485_DIR_PIN GPIO_PIN_1
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/* RS485 TX/RX Control */
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#define RS485_TX_ENABLE() HAL_Delay(100);\
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HAL_GPIO_WritePin(RS485_DIR_PORT, RS485_DIR_PIN, GPIO_PIN_SET);\
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HAL_Delay(100);
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#define RS485_RX_ENABLE() HAL_Delay(100);\
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HAL_GPIO_WritePin(RS485_DIR_PORT, RS485_DIR_PIN, GPIO_PIN_RESET);\
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HAL_Delay(100);
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#define PRINTF(...) VcomSend(__VA_ARGS__)
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#define ECHO_ERROR(x) PRINTF("[%s][%d]:%s\r\n", __FUNCTION__, __LINE__, x)
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#pragma pack(1)
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#define FreeUart1Buffer() Debug_Rxbuffer.Locked = 0; Debug_Rxbuffer.RxSize=0
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#define Uart1BufferIsEmpty (Debug_Rxbuffer.RxSize == 0 ? 1 : 0)
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#define Uart1BufferIsReadable() (Debug_Rxbuffer.Locked ? 1 : 0)
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//#define LockUart3Buffer() Uart3_Rxbuffer.Locked = 1
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//#define FreeUart3Buffer() Uart3_Rxbuffer.Locked = 0; Uart3_Rxbuffer.RxSize=0; memset(Uart3_Rxbuffer.RxBuffer, 0x0, UART_RINGBUF_SIZE)
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//#define Uart3BufferIsEmpty (Uart3_Rxbuffer.RxSize == 0 ? 1 : 0)
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//#define Uart3BufferIsReadable() (Uart3_Rxbuffer.Locked ? 1 : 0)
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#define UART_RINGBUF_SIZE 255
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typedef struct Uart_Rxbuffer_s
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{
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uint8_t RxBuffer[UART_RINGBUF_SIZE]; /* UART receive buffer*/
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uint32_t RxSize; /* Current data length in UART receive buffer */
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uint32_t Time; /* Last receive time */
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uint8_t Locked; /* Buffer is busy */
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}Uart_Rxbuffer_t;
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typedef struct
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{
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uint8_t *pRear; //ÔÚÖжϺ¯ÊýÖиü¸Ä
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uint8_t *pFront; //ÔÚÖ÷Ñ»·Öиü¸Ä
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} UartBuffer_t;
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#pragma pack()
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extern Uart_Rxbuffer_t Debug_Rxbuffer;
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//extern Uart_Rxbuffer_t Uart3_Rxbuffer;
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extern UART_HandleTypeDef huart1;
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extern UART_HandleTypeDef huart2;
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void Board_USART1Init(void);
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void Board_USART1DeInit(void);
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void Board_USART1RX_Enable(void);
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void Board_USART1RX_Disable(void);
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void Board_USART2Init(void);
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void Board_USART2DeInit(void);
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int8_t Board_USART2Recv(uint8_t *pFmt, uint16_t u16TimeOut);
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int8_t Board_USART2end(const uint8_t *pFmt, uint8_t u8Len);
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//int8_t Board_USART2Test(void);
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void VcomSend( char *format, ... );
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#ifdef __cplusplus
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}
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#endif
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#endif /*__ usart_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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