📄 ht1623.i

📁 一个基于PIC18F单片机的开发的流量计量仪表
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void InitHT1623Port(void)
{
	LATDbits.LATD2  = 1;
	LATDbits.LATD1  = 1;
	LATDbits.LATD0  = 1;
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
}








unsigned char RdHT1623OneByte(unsigned char Id_addr)
{
	unsigned char redata = 0,i;
	unsigned int tmep = 0;
	INTCONbits.GIE = 0 ;
	DDREbits.RE7  = 0;					
	LATEbits.LATE7  = 1;					
	LATDbits.LATD1  = 1;
	LATDbits.LATD2  = 0;						
	tmep |= 0xc0 ;
	tmep <<= 2;
	tmep |= Id_addr;
	tmep <<= 6;						
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	for(i=0;i<10;i++)
		{
			LATDbits.LATD0  = 0;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			if(tmep & 0x08000)
				LATEbits.LATE7  = 1;
			else
				LATEbits.LATE7  = 0;
			tmep = tmep << 1;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			LATDbits.LATD0  = 1;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
		}
	DDREbits.RE7  = 1;					
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	for(i=0;i<4;i++)
		{
			LATDbits.LATD1  = 0;
			redata = redata >> 1;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			LATDbits.LATD1  = 1;
			if(PORTEbits.RE7  == 1)
				{
					redata |= 0X08;
					Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
					Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
				}
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;	
		}
	InitHT1623Port();
	INTCONbits.GIE = 1 ;
	return	redata;		
}









void WrHT1623OneByte(unsigned char Toid_addr,unsigned char Todata)
{
	unsigned int tmep = 0;
	unsigned char i;
	INTCONbits.GIE = 0 ;
	tmep |= 0xa0 ;					
	tmep = tmep << 2;
	tmep |= Toid_addr;						
	tmep = tmep << 4;
	tmep |= Todata; 						
	tmep = tmep << 2;
	DDREbits.RE7  = 0;							
	LATEbits.LATE7  = 1;					
	LATDbits.LATD2  = 0;								
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	for(i=0;i<10;i++)
		{
			LATDbits.LATD0  = 0;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			if(tmep & 0x08000)
				LATEbits.LATE7  = 1;
			else
				LATEbits.LATE7  = 0;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			LATDbits.LATD0  = 1;
			tmep = tmep << 1;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
		} 
	for(i=0;i<4;i++)
		{
			LATDbits.LATD0  = 0;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			if(tmep & 0x01000)
				LATEbits.LATE7  = 1;
			else
				LATEbits.LATE7  = 0;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			LATDbits.LATD0  = 1;
			tmep = tmep >> 1;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
		}
	LATEbits.LATE7  = 1;
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	InitHT1623Port();
	INTCONbits.GIE = 1 ;
}








void SentCmdToHT1623(unsigned char ht1623cmd )
{
	unsigned int tmepcmd=0,i;
	INTCONbits.GIE = 0 ;
	tmepcmd	= tmepcmd | 0x80 ;
	tmepcmd = tmepcmd << 3;
	tmepcmd = tmepcmd | ht1623cmd;
	tmepcmd = tmepcmd << 5;
	DDREbits.RE7  = 0;                   
	LATEbits.LATE7  = 1;
	LATDbits.LATD2  = 0;						
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
	for(i=0;i<12;i++)
		{
			LATDbits.LATD0  = 0;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			if(tmepcmd & 0x8000)
				LATEbits.LATE7  = 1;
			else
				LATEbits.LATE7  = 0;			
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			LATDbits.LATD0  = 1;
			tmepcmd = tmepcmd << 1;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;
			Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY();Delay1TCY() ;		
		}
	LATEbits.LATE7  = 1;
	InitHT1623Port();
	INTCONbits.GIE = 1 ;
}








void Endisplay(void)
{
	INTCONbits.GIE = 0 ;
	InitHT1623Port();
	SentCmdToHT1623(0x01);
	Delay10KTCYx(200);
	Delay10KTCYx(200);
	SentCmdToHT1623(0x03);
Delay1TCY();
	SentCmdToHT1623(0x1C);



	SentCmdToHT1623(0x05);
	SentCmdToHT1623(0x04);
	SentCmdToHT1623(0x08);

	INTCONbits.GIE = 1 ;
}

void Dsdisplay(void)
{
	INTCONbits.GIE = 0 ;
	SentCmdToHT1623(0x00);
	SentCmdToHT1623(0x02);
	SentCmdToHT1623(0x1C);
	INTCONbits.GIE = 1 ;
}
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💿 文件大小 606 K
👤 上传用户 zcmm_321
📂 所属分类单片机开发
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