90 lines
2.0 KiB
C
90 lines
2.0 KiB
C
#ifndef __USART_H
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#define __USART_H
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#include "stm32f4xx.h"
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#include "stdio.h"
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#define RS485_SEND GPIO_SetBits(GPIOE,GPIO_Pin_15); //默认进入发送模式
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#define RS485_RECEIVE GPIO_ResetBits(GPIOE,GPIO_Pin_15); //默认进入接收模式
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void USART1_Config(void);
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void RS485_Config(void);
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void Usart_SendByte( USART_TypeDef * pUSARTx, uint8_t ch);
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void Usart_SendString( USART_TypeDef * pUSARTx, char *str);
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void Usart_SendHalfWord( USART_TypeDef * pUSARTx, uint16_t ch);
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void usart_Init(void);
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void RS485_DMA_Init(void);
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//串口3的发送函数
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void Uart3_SendStr(u8* SendBuf,u8 len);
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void DealWith_UartData(void);
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//微秒延时
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void DelayUs(unsigned int delay);
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//毫秒延时
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void DelayMs(unsigned int delay);
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//接收数据判断（放置串口接收数据内）
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void Do_Receive_Uart_For_Module(unsigned char ch);
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//单独发送
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void UART1_SendData(unsigned char dat);
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//发送数据
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void UART1_Send_Char(unsigned char dat);
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//发送一个字符串
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//extern void send_string(uchar *p);
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//初始化
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void InitUart_Data(void);
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//接收串口1
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void start_ttl_receive_timer(unsigned long ms);
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void over_ttl_receive_timer(void);
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void clear_ttl_receive_timer(void);
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//返回串口屏应答是否接收完成的结果
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//0：没超时 1：超时
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unsigned char judge_ttl_receive_timer(void);
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//放在大循环中的计时器里
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void process_ttl_receive_timer(void);
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//放串口中断内，接收数据
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void receive_ttl_data(unsigned char rx_data);
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//CRC校验
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unsigned int ModbusCRC16(unsigned char *data_value, unsigned char length);
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//异或校验
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//unsigned char VerfiyRC(unsigned char data_value[], unsigned char length);
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//发送延时
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void Uart_Send_Delay(unsigned int delay);
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//发送数据
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void send_set_resp(unsigned int OrderNum, unsigned int addr, unsigned char Num, unsigned char sData[]);
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//分析地址是否为本地址
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unsigned char Check_Resive_Addr(unsigned short addr);
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//接收数据判断（放置串口接收数据内）
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void Do_Receive_Uart_For_Module(unsigned char ch);
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//数据长度
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unsigned char Get_Data_Len(void);
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//检查校验
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unsigned char Check_VerfiyData(void);
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//数据接收分析(放置大循环内)
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void Deal_Uart_Data_For_Module(void);
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#endif /* __USART1_H */
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