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📄 lcd.c

📁 多功能智能充电器
💻 C
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#include "reg5410.h"



sbit CS =P1^2; 
sbit SID=P1^3; 
sbit SCLK=P1^4; 

void delay(unsigned int j)
{
	 unsigned char i;
	 do{
	 for(i=0;i<100;i++);
	  }while(j--);
}	
																								  	
void send_command(unsigned char command_data) 
{ 
	unsigned char i; 
	unsigned char i_data,temp_data1,temp_data2; 

	i_data=0xf8; 
	delay(10); 
	CS=1; 
	SCLK=0; 
	for(i=0;i<8;i++) 
	{ 
		SID=(bit)(i_data&0x80); 
		SCLK=0; 
		SCLK=1; 
		i_data=i_data<<1; 
	} 
	i_data=command_data; 
	i_data&=0xf0; 
	for(i=0;i<8;i++) 
	{ 
		SID=(bit)(i_data&0x80); 
		SCLK=0; 
		SCLK=1; 
		i_data=i_data<<1; 
	} 
	i_data=command_data; 
	temp_data1=i_data&0xf0; 
	temp_data2=i_data&0x0f; 
	temp_data1>>=4; 
	temp_data2<<=4; 
	i_data=temp_data1|temp_data2; 
	i_data&=0xf0; 
	for(i=0;i<8;i++) 
	{ 
		SID=(bit)(i_data&0x80); 
		SCLK=0; 
		SCLK=1; 
		i_data=i_data<<1; 
	} 
	CS=0; 
} 

void send_data(unsigned char command_data) 
{ 
	unsigned char i; 
	unsigned char i_data,temp_data1,temp_data2;

	i_data=0xfa; 
	delay(10); 
	CS=1; 
	for(i=0;i<8;i++) 
	{ 
		SID=(bit)(i_data&0x80); 
		SCLK=0; 
		SCLK=1; 
		i_data=i_data<<1; 
	} 
	i_data=command_data; 
	i_data&=0xf0; 
	for(i=0;i<8;i++) 
	{ 
		SID=(bit)(i_data&0x80); 
		SCLK=0; 
		SCLK=1; 
		i_data=i_data<<1; 
	} 
	i_data=command_data; 
	temp_data1=i_data&0xf0; 
	temp_data2=i_data&0x0f; 
	temp_data1>>=4; 
	temp_data2<<=4; 
	i_data=temp_data1|temp_data2; 
	i_data&=0xf0; 
	for(i=0;i<8;i++) 
	{ 
		SID=(bit)(i_data&0x80); 
		SCLK=0; 
		SCLK=1; 
		i_data=i_data<<1; 
	} 
	CS=0; 
}

void InitLCD() /*液晶初始化*/
{ 
	send_command(0x30); //功能设置:一次送8位数据,基本指令集  
	send_command(0x06); //点设定:显示字符/光标从左到右移位,DDRAM地址加1 
	send_command(0x0c); //显示设定:开显示,显示光标,当前显示位反白闪动  
	send_command(0x04); //显示设定:开显示,显示光标,当前显示位反白闪动   
	send_command(0x01); //清DDRAM									   
	send_command(0x02); //DDRAM地址归位 							 
	send_command(0x80); //把显示地址设为0X80，即为第一行的首位			
}



/*	flagnew 是刷新标志位,1则刷新,0不刷新, 
	x,y为起始座标 x(0<=x<=3),y(0<=y<=7),x为行座标,y为列座标;
 	how为要显示汉字的个数; 
   	str是要显示汉字的地址 */
								
void DispHanzi(unsigned char x,unsigned char y,unsigned char how,unsigned char *stri)
{
	unsigned char hi=0;									  //汉字显示
	if(x==0) send_command(0x80+y);		
	else if(x==1) send_command(0x90+y);
	else if(x==2) send_command(0x88+y);
	else if(x==3) send_command(0x98+y);
	for(hi=0;hi<how;hi++)
	{
		send_data(*(stri+hi*2));
		send_data(*(stri+hi*2+1));
	}
}

void DispZimu(unsigned char x,unsigned char y,unsigned char how,unsigned char *stri)
{
	unsigned char hi=0;									//字母显示
	if(x==0) send_command(0x80+y);		
	else if(x==1) send_command(0x90+y);
	else if(x==2) send_command(0x88+y);
	else if(x==3) send_command(0x98+y);	
	for(hi=0;hi<how;hi++)
	{
		send_data(0xA3);
		send_data(*(stri+hi));
	}	
}

/*	x,y为起始座标 x(0<=x<=3),y(0<=y<=7),x为行座标,y为列座标; 	 
   	n要显示数字*/
void DispShuzi(unsigned char x,unsigned char y,unsigned int n)	 //8*16数字显示
{	
    if(x==0) send_command(0x80+y);		
	else if(x==1) send_command(0x90+y);
	else if(x==2) send_command(0x88+y);
	else if(x==3) send_command(0x98+y);

    if(n/1000%10!=0)
	{
		send_data(0x30+n/1000%10);
		send_data(0x30+n/100%10); 
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
//		send_data(0x73);
	}
	else if(n/100%10!=0)
	{
		send_data(0x20);
		send_data(0x30+n/100%10);
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
//		send_data(0x73);
	}
	else if(n/10%10!=0)
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
//		send_data(0x73);
	}
	else  
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x30);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
//		send_data(0x73);
	}
}	


void DispShuzi2(unsigned char x,unsigned char y,unsigned int n)	 //8*16数字显示
{	
    if(x==0) send_command(0x80+y);		
	else if(x==1) send_command(0x90+y);
	else if(x==2) send_command(0x88+y);
	else if(x==3) send_command(0x98+y);

    if(n/1000%10!=0)
	{
		send_data(0x20);
		send_data(0x2D);
		send_data(0x30+n/1000%10);
		send_data(0x30+n/100%10); 
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
		send_data(0xb6);
		send_data(0xc8);
	}
	else if(n/100%10!=0)
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x2D);
		send_data(0x30+n/100%10);
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
		send_data(0xb6);
		send_data(0xc8);
	}
	else if(n/10%10!=0)
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x20);
		send_data(0x2D);
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
		send_data(0xb6);
		send_data(0xc8);
	}
	else  
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x20);		
		send_data(0x2D);
		send_data(0x30);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
		send_data(0xb6);
		send_data(0xc8);
	}
}


void DispShuzi1(unsigned char x,unsigned char y,unsigned int n)	 //8*16数字显示
{	
    if(x==0) send_command(0x80+y);		
	else if(x==1) send_command(0x90+y);
	else if(x==2) send_command(0x88+y);
	else if(x==3) send_command(0x98+y);

    if(n/1000%10!=0)
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x30+n/1000%10);
		send_data(0x30+n/100%10); 
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
		send_data(0xb6);
		send_data(0xc8);
	}
	else if(n/100%10!=0)
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x20);
		send_data(0x30+n/100%10);
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
		send_data(0xb6);
		send_data(0xc8);
	}
	else if(n/10%10!=0)
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x20);
		send_data(0x20);
		send_data(0x30+n/10%10);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
		send_data(0xb6);
		send_data(0xc8);
	}
	else  
	{
		send_data(0x20);
		send_data(0x20);
		send_data(0x20);
		send_data(0x20);
		send_data(0x30);
		send_data(0x2E);
		send_data(0x30+n%10);
		send_data(0x20);
		send_data(0xb6);
		send_data(0xc8);
	}
}

void DispShuzi0(unsigned char x,unsigned char y,unsigned int n)	 //8*16数字显示
{	
    if(x==0) send_command(0x80+y);		
	else if(x==1) send_command(0x90+y);
	else if(x==2) send_command(0x88+y);
	else if(x==3) send_command(0x98+y);

    if(n/1000%10!=0)
	{
//		send_data(0x30+n/1000%10);
//		send_data(0x30+n/100%10); 
		send_data(0x30+n/10%10);
		send_data(0x30+n%10);
	}
	else if(n/100%10!=0)
	{
//		send_data(0x20);
//		send_data(0x30+n/100%10);
		send_data(0x30+n/10%10);
		send_data(0x30+n%10);
	}
	else if(n/10%10!=0)
	{
//		send_data(0x20);
//		send_data(0x20);
		send_data(0x30+n/10%10);
		send_data(0x30+n%10);
	}
	else  
	{
//		send_data(0x20);
//		send_data(0x20);
		send_data(0x20);
		send_data(0x30+n%10);
	}
}

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