muen_240128_function.c

液晶MGLS2401128TA的控制程序

#include <AT89X51.H>

#include <intrins.h>
#include <math.h>
#define DATA_PORT P0

sbit WR_PORT=P2^0 ;
sbit RD_PORT=P2^1 ;
sbit CE_PORT=P2^2 ;
sbit CD_PORT=P2^3 ;


//-------------delay the time---------//
//50us
void delay(unsigned int a)
{
    unsigned int i,j ;
    for(i=0;i<a;i++)
    for(j=0;j<6;j++);
}

//--------- LGD Read the Appearance from the lGD-------------//
unsigned char read_Appearance(void)
{
    unsigned char temp ;
    CE_PORT=1 ;
    DATA_PORT=0XFF ;
    CE_PORT=0 ;
    CD_PORT=1 ;
    //READ CODE
    RD_PORT=0 ;
    temp=DATA_PORT ;
    RD_PORT=1 ;
    CE_PORT=1 ;
    //del the  Total line
    return temp ;
}

//--------LGD STA0-STA1--------//
bit st00_st01(void)
{
    unsigned char temp ;
    temp=read_Appearance();
    temp=temp&0x03 ;
    
    if(temp==0x03)return 1 ;
    
    return 0 ;
    
}



//----------LGD STA3--------//
bit st03(void)
{
    unsigned char temp ;
    temp=read_Appearance();
    temp=temp&0x08 ;
    
    if(temp==0x08)return 1 ;
    
    return 0 ;
    
}
/*
//----------LGD STA2--------//
bit st02(void)
{
	unsigned char temp;
temp=read_Appearance();
temp=temp&0x04;

if(temp==0x04)return 1;

return 0;

}

//---------LGD STA5--------//
bit st05(void)
{
unsigned char temp;
temp=read_Appearance();
temp=temp&0x20;

if(temp==0x20)return 1;

return 0;

}

//--------LGD STA6--------//
bit st06(void)
{unsigned char temp;
temp=read_Appearance();
temp=temp&0x40;

if(temp==0x40)return 1;

return 0;

}

//--------LGD STA7-------//
bit st07(void)
{
unsigned char temp;
temp=read_Appearance();
temp=temp&0x80;

if(temp==0x80)return 1;

return 0;


}

*/
//---------read data from the lgd--------//
unsigned char read_from(void)
{unsigned char temp;

	while(st00_st01()==0);
	CE_PORT=0;
	CD_PORT=0;//data 
	RD_PORT=0;	
	//temp1=DATA_PORT;
	temp=DATA_PORT;	
	RD_PORT=1;
	CE_PORT=1;
	return temp;
}

//------- Write 2 Number and 1 CODE to LCM ---------//
void write_2_code(unsigned char a,unsigned char b,unsigned char c)
{
    while(st00_st01()==0);
    CE_PORT=0 ;
    CD_PORT=0 ;
    //data 	
    DATA_PORT=a ;
    WR_PORT=0 ;
    _nop_();
    WR_PORT=1 ;
    CE_PORT=1 ;
    
    while(st00_st01()==0);
    CE_PORT=0 ;
    CD_PORT=0 ;
    //data 
    DATA_PORT=b ;
    WR_PORT=0 ;
    _nop_();
    WR_PORT=1 ;
    CE_PORT=1 ;
    
    while(st00_st01()==0);
    CE_PORT=0 ;
    CD_PORT=1 ;
    //code 
    DATA_PORT=c ;
    WR_PORT=0 ;
    _nop_();
    WR_PORT=1 ;
    CE_PORT=1 ;
    
}
//---------write 1 data and 1 code  to the Lcm------//
void write_1_code(unsigned char a,unsigned char c)
{
    while(st00_st01()==0);
    CE_PORT=0 ;
    CD_PORT=0 ;
    //data 
    DATA_PORT=a ;
    WR_PORT=0 ;
    _nop_();
    WR_PORT=1 ;
    CE_PORT=1 ;
    
    while(st00_st01()==0);
    CE_PORT=0 ;
    CD_PORT=1 ;
    //code 
    DATA_PORT=c ;
    WR_PORT=0 ;
    _nop_();
    WR_PORT=1 ;
    CE_PORT=1 ;
    
}
//---------write 1 code to Lcm--------//
void write_code(unsigned char c)
{
    while(st00_st01()==0);
    CE_PORT=0 ;
    CD_PORT=1 ;
    //code 
    DATA_PORT=c ;
    WR_PORT=0 ;
    _nop_();
    WR_PORT=1 ;
    CE_PORT=1 ;
}


//-----------write data to lgd---------//
void write_to(unsigned char a)
{
    while(st00_st01()==0);
    CE_PORT=0 ;
    CD_PORT=0 ;
    //data 
    DATA_PORT=a ;
    WR_PORT=0 ;
    WR_PORT=1 ;
    CE_PORT=1 ;
}

//---------- START THE LGD-----------//
void lcm_start(void)
{
    //----setting the text head addr--------//
    write_2_code(0x00,0x00,0x21);
    //the light mark start
    write_2_code(0x00,0x00,0x40);
    //text start
    
    write_2_code(0x1e,0x00,0x41);
    //text with
    
    write_2_code(0x00,0x00,0x42);
    //graph start
    
    write_2_code(0x1e,0x00,0x43);
    //graph with
    
    write_code(0xa1);
    //the light mark look like
    
    write_code(0x80);
    // the text or graph
    
    write_code(0x98);
    //the show like
    
}

//--------------CLS THE LCM-----------------//
void cls_lcm(void)
{
    unsigned int i ;
    
    write_2_code(0x00,0x00,0x24);
    write_code(0xb0);
    for(i=0;i<5888;i++)
    {
        while(st03()==0);
        write_to(0x00);
        
    }
    write_code(0xb2);
}