#ifndef __USART_H
#define	__USART_H

#include "stm32f4xx.h"
#include "stdio.h"

#define RS485_SEND         		GPIO_SetBits(GPIOE,GPIO_Pin_15); //默认进入发送模式
#define RS485_RECEIVE      		GPIO_ResetBits(GPIOE,GPIO_Pin_15); //默认进入接收模式


void USART1_Config(void);
void RS485_Config(void);
void Usart_SendByte( USART_TypeDef * pUSARTx, uint8_t ch);
void Usart_SendString( USART_TypeDef * pUSARTx, char *str);
void Usart_SendHalfWord( USART_TypeDef * pUSARTx, uint16_t ch);
void usart_Init(void);
void RS485_DMA_Init(void);
//串口3的发送函数
void Uart3_SendStr(u8* SendBuf,u8 len);

void DealWith_UartData(void);
//微秒延时
void DelayUs(unsigned int delay);

//毫秒延时
void DelayMs(unsigned int delay);


//接收数据判断（放置串口接收数据内）
void Do_Receive_Uart_For_Module(unsigned char ch);

//单独发送
void UART1_SendData(unsigned char dat);
	
//发送数据
void UART1_Send_Char(unsigned char dat);

//发送一个字符串
//extern void send_string(uchar *p);
	
//初始化
void InitUart_Data(void);
	
//接收串口1
void start_ttl_receive_timer(unsigned long ms);

void over_ttl_receive_timer(void);

void clear_ttl_receive_timer(void);

	
//返回串口屏应答是否接收完成的结果
//0：没超时             1：超时
unsigned char judge_ttl_receive_timer(void);
	
//放在大循环中的计时器里
void process_ttl_receive_timer(void);
	
//放串口中断内，接收数据
void receive_ttl_data(unsigned char rx_data);
	
//CRC校验
unsigned int ModbusCRC16(unsigned char *data_value, unsigned char length);
	
//异或校验
//unsigned char VerfiyRC(unsigned char data_value[], unsigned char length);
	
//发送延时
void Uart_Send_Delay(unsigned int delay);
	
//发送数据
void send_set_resp(unsigned int OrderNum, unsigned int addr, unsigned char Num, unsigned char sData[]);
	
//分析地址是否为本地址
unsigned char Check_Resive_Addr(unsigned short addr);

//接收数据判断（放置串口接收数据内）
void Do_Receive_Uart_For_Module(unsigned char ch);
	
//数据长度
unsigned char Get_Data_Len(void);

//检查校验
unsigned char Check_VerfiyData(void);
	
//数据接收分析(放置大循环内)
void Deal_Uart_Data_For_Module(void);

#endif /* __USART1_H */