/**
  ******************************************************************************
  * File Name          : USART.h
  * Description        : This file provides code for the configuration
  *                      of the USART instances.
  ******************************************************************************
  ** This notice applies to any and all portions of this file
  * that are not between comment pairs USER CODE BEGIN and
  * USER CODE END. Other portions of this file, whether 
  * inserted by the user or by software development tools
  * are owned by their respective copyright owners.
  *
  * COPYRIGHT(c) 2019 STMicroelectronics
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
  *   1. Redistributions of source code must retain the above copyright notice,
  *      this list of conditions and the following disclaimer.
  *   2. Redistributions in binary form must reproduce the above copyright notice,
  *      this list of conditions and the following disclaimer in the documentation
  *      and/or other materials provided with the distribution.
  *   3. Neither the name of STMicroelectronics nor the names of its contributors
  *      may be used to endorse or promote products derived from this software
  *      without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  ******************************************************************************
  */
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __usart_H
#define __usart_H
#ifdef __cplusplus
 extern "C" {
#endif

/* Includes ------------------------------------------------------------------*/
#include "stm32f1xx_hal.h"
#include "main.h"

/* USER CODE BEGIN Includes */

/* USER CODE END Includes */

extern UART_HandleTypeDef huart3;

/* USER CODE BEGIN Private defines */
typedef struct								    //缓冲区各变量，用于相关函数的参数
{	
		uint8_t  ucBufSize;							//缓冲区数组：缓冲区大小
		uint8_t  ucBufWrInde;						//缓冲区数组：写指针
		uint8_t  ucBufRdInde;						//缓冲区数组：读指针
		uint8_t  ucBufCnt;							//缓冲区数组：数据计数
		uint8_t  ucBufOvf;							//缓冲区数组：溢出标志，注意清零
		uint8_t  * pcBufAddr;						//缓冲区数组：首地址指针变量
		UART_HandleTypeDef	*ptUartHandel;
} USART_Buf_TypeDef;
/* USER CODE END Private defines */

extern void _Error_Handler(char *, int);

void MX_USART3_UART_Init(void);

/* USER CODE BEGIN Prototypes */
extern uint8_t UART_RxBuff3[255];
extern USART_Buf_TypeDef UART_RxBuff_Struct3;
extern uint8_t UART_TxBuff3[255];
extern USART_Buf_TypeDef UART_TxBuff_Struct3;

uint8_t UART_ReadChar(USART_Buf_TypeDef * ptRx, uint8_t ucNum);
void UART_DelChar(USART_Buf_TypeDef * ptRx, uint8_t ucNum);
void UART_PutChar(USART_Buf_TypeDef * ptTx, uint8_t ucData);
void UART_SendData(USART_Buf_TypeDef * ptTx, uint8_t* Data, uint8_t Length);
void USARTx_Rx_IRQ(USART_Buf_TypeDef *USARTx_RxBuf_Struct);
void USARTx_Tx_IRQ(USART_Buf_TypeDef *USARTx_TxBuf_Struct);
/* USER CODE END Prototypes */

#ifdef __cplusplus
}
#endif
#endif /*__ usart_H */

/**
  * @}
  */

/**
  * @}
  */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/