#ifndef _USART_H
#define _USART_H

//#ifdef __cplusplus
//    extern "C" {
//#endif

//////////////////////////////////////////////////////////////////////////////////
//#include "stm32l4xx.h"
//#include "General_type.h"
//#include "stdio.h"

//#define DEBUG_MODE		
////#define BAD_DEBUG   //旧板子的PD2 控制usart1的发送脚不能拉高了，所以换个引脚
////#define Board_VerE
////#define TRANS_SPECIAL
//#ifndef IN_USART
//#define EX_USART extern
//	#else
//#define EX_USART
//#endif

//#ifdef Board_VerE
//	#define UART_RD1_PIN 	GPIO_PIN_3
//	#define UART_RD1_PORT 	GPIOB

//	#define UART1_RX_PIN	GPIO_PIN_10
//	#define UART1_PORT 		GPIOA
//	#define UART1_TX_PIN	GPIO_PIN_9
//#else
//	
//	#ifdef BAD_DEBUG
//		#define UART_RD1_PIN 	GPIO_PIN_3 
//		#define UART_RD1_PORT 	GPIOB
//	#else
//		#define UART_RD1_PIN 	GPIO_PIN_8 	
//		#define UART_RD1_PORT 	GPIOB
//	#endif
//	#define UART1_RX_PIN	GPIO_PIN_10//GPIO_PIN_7
//	#define UART1_PORT 		GPIOA//GPIOB
//	#define UART1_TX_PIN	GPIO_PIN_9//GPIO_PIN_6
//#endif
//#define RX1_UART() HAL_GPIO_WritePin(UART_RD1_PORT,UART_RD1_PIN,GPIO_PIN_RESET)
//#define TX1_UART() HAL_GPIO_WritePin(UART_RD1_PORT,UART_RD1_PIN,GPIO_PIN_SET)

////#define UART3_RD_PIN 	GPIO_PIN_15 
////#define UART3_RD_PORT 	GPIOA

////#define UART3_RX_PIN	GPIO_PIN_11
////#define UART3_PORT 		GPIOC
////#define UART3_TX_PIN	GPIO_PIN_10

////#define RX3_UART() HAL_GPIO_WritePin(UART3_RD_PORT,UART3_RD_PIN,GPIO_PIN_RESET)
////#define TX3_UART() HAL_GPIO_WritePin(UART3_RD_PORT,UART3_RD_PIN,GPIO_PIN_SET)

//#define USART3_RX_LEN  			100 
//#define USART1_TX_LEN  			150  	//定义最大接收字节数 200
//#define USART1_RX_LEN           50

//#define RADDR		0x1037
////#define RADDR		0x1037


////EX_USART u8  USART_RX_BUF[USART_REC_LEN]; //接收缓冲,最大USART_REC_LEN个字节.末字节为换行符
////EX_USART u16 USART_RX_STA;         		//接收状态标记
////EX_USART UART_HandleTypeDef UART1_Handler; //UART句柄



//EX_USART UART_HandleTypeDef huart1;//,huart3;
//EX_USART DMA_HandleTypeDef hdma_usart1_rx;
//EX_USART DMA_HandleTypeDef hdma_usart1_tx;

//typedef struct{
//	uint8_t			TxBuff[USART1_TX_LEN];
//	uint16_t		TxSize;
//	uint8_t			Tx_end_flag;
//	uint8_t			RxBuff[USART1_RX_LEN];
//	uint8_t			aRxBuff;
//	uint16_t		RxSize;
//	uint8_t			Rx_flag;
//}USART_BuffTypeDef;

//EX_USART USART_BuffTypeDef usart1_buf,usart3_buf;
//EX_USART uint8_t wireless_data[50];
////如果想串口中断接收，请不要注释以下宏定义
////EX_USART void uart3_init(u32 bound);
//EX_USART void debug_printf(char *information,int len);
//EX_USART void MX_USART1_UART_Init(uint32_t bound);
//EX_USART void uart_init(uint32_t bound);
//EX_USART void HAL_UART_IDLECallback(UART_HandleTypeDef *huart);
//EX_USART void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
//EX_USART void MX_DMA_Init(void) ;
//EX_USART void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
//EX_USART void Error_Handler(uint8_t flag);
////EX_USART void Error_Handler(uint8_t flag);

//#ifdef __cplusplus
//}
//#endif
//#endif


//#include "stdio.h"
//#include "./SYSTEM/sys/sys.h"
#include "main.h"
//#include "stm32l433xx.h"
//#include "stm32l4xx.h"
#include "General_type.h"
//#include "system.h"

#include <stdint.h>
#include <stdbool.h>

#define COMM_FRAME_HEAD 0xAA
#define COMPARE55 0x55
#define FREUENCYDATA 0x10
#define THORGHFARE0 0x80
#define THORGHFARE1 0x81
#define DIELECTRICLEGTH 0x08   //数据长度8

//串口1收发控制端
#define RS485_TX_EN HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_SET)
#define RS485_RX_EN HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_RESET)
//串口2收发控制端
#define RS485_UART3TX_EN HAL_GPIO_WritePin(GPIOC, GPIO_PIN_12, GPIO_PIN_SET)
#define RS485_UART3RX_EN HAL_GPIO_WritePin(GPIOC, GPIO_PIN_12, GPIO_PIN_RESET)

#define UART_RX_BUFFER_SIZE  128
#define UART_TX_BUFFER_SIZE  64

typedef enum {
    UART_OK,
    UART_ERROR,
    UART_BUSY
} UART_Status;

//*****************结构定义******************************************

enum tagUSARTSTATUS {RcvSyn,RcvtargetAddress,RcvsourceAddress,RcvLen,RcvaData,ChkSum,CmdOperate};

                     //串口接收状态，分为：接收同步位、接收首标识位、接收目的地址、接收源地址、接收数据长度、接收数据、校验、命令处理

struct tagUSARTDATA
{
	unsigned char ucHead;                             //首标识位,数据帧的起始位
	unsigned char ucRcvtargetAddress;                    //目的地址,1byte数据帧接收设备地址
	unsigned char ucRcvsourceAddress;                    //源地址,1byte数据帧发送源设备地址
	unsigned int ucRcvDataLen;
	unsigned char ucRepDataLen;
	unsigned char  ucDataCount;                     	//串口接收数据计数器
	//unsigned char aData[170];                          //数据位
  unsigned char aData[50];                          //数据位
	
	unsigned char ucSendChkCrc ;                       //发送校验和
	unsigned char ucReceiveChkCrc;                    //接收校验和
	unsigned char ucCommand;                       	//串口命令
	enum tagUSARTSTATUS usStatus;                  	//串口接收状态
  unsigned char ucReptargetAddress;                    //目的地址,1byte数据帧接收设备地址
	unsigned char ucRepsourceAddress;                    //源地址,1byte数据帧发送源设备地址
	unsigned int ucOverTimeCnt;
};

extern struct tagUSARTDATA g_udUsart3Data;   //串口2
extern void UART_Init(uint32_t baudrate);
extern void USART3_Init(uint32_t baudrate);
extern void Init_485EN(void);
extern void InitUart3_485EN(void);
extern void UART_SendStr(uint8_t *PData,uint16_t Datalen);
extern UART_Status UART_SendByte(uint8_t data);
extern UART_Status UART_SendString(const char *str);
extern UART_Status UART3_SendByte(uint8_t data); 
extern void UART3_SendStr(uint8_t *PData,uint16_t Datalen); 
extern void Uart3Rcv(unsigned char ucReadData);   //串口2数据处理
extern void Uart3data_Processing(void);   //串口2响应

#endif /* __UART_H */