kkkkkkk.c

液晶MGLS2401128TA的控制程序

#include <AT89X51.H>
#include <absacc.H>
#include <intrins.h>

#define c_com XBYTE[0XFBFF]
#define d_com XBYTE[0XF3FF]
sbit LED=P3^4;
//---------- read the lcm Appearance----------//
unsigned char read_Appearance(void)
{
P0=0XFF;
_nop_();
return c_com;
}
//----------st0_st1- bus is/no busy---------------------------//
bit st01(void)
{
if((read_Appearance()&0x03)==0x03)
return 1;
return 0;
}
//----------auto read-----------------------//
bit st2(void)
{
if((read_Appearance()&0x04)==0x04)
return 1;
return 0;
}
//---------st3- auto write -------------------------//
bit st3(void)
{
if((read_Appearance()&0x08)==0x08)
return 1;
return 0;
}
//----------st5-- the contrl able/enalbe run (1 :yes,0:no)---------//
bit st5(void)
{
if((read_Appearance()&0x20)==0x20)
return 1;
return 0;
}
//-----------st6 read screen/copy screen enable--------------//
bit st6(void)
{
if((read_Appearance()&0x40)==0x40)
return 1;
return 0;
}
//---------st7 flash able/disable----------------//
bit st7(void)
{
if((read_Appearance()&0x80)==0x80)
return 1;
return 0;
}
//---------write two num and 1 code to  lcm-----------------------------//
void write_2_code(unsigned char a,unsigned char b,unsigned char c)
{
while(st01()==0);
d_com=a;
while(st01()==0);
d_com=b;
while(st01()==0);
c_com=c;

}
//----------write one num and 1 code to lcm--------------------//
void write_1_code(unsigned char a,unsigned char c) 
{
while(st01()==0);
d_com=a;
while(st01()==0);
c_com=c;
}

//---------write 1 code to lcm---------------------//
void write_code(unsigned char c)
{
while(st01()==0);
c_com=c;
}
//-----------------read data from lcm-----------//
unsigned char read_data(void)
{
while(st01()==0);
return d_com;

}

//-----------write data to lcm-----------------//
void write_data(unsigned char d)
{
while(st01()==0);
d_com=d;

}
//----------start lcm--------------------------//
void start(void)
{
write_2_code(0x00,0x00,0x40);
write_2_code(0x20,0x00,0x41);
write_2_code(0x00,0x08,0x42);
write_2_code(0x20,0x00,0x43);
write_code(0xa7);
write_code(0x80);
write_code(0x9c);
}
//----------cls lcm---------------------------//
void cls(void)
{
unsigned i;
write_2_code(0x00,0x00,0x24);
write_code(0xb0);
for(i=0;i<128;i++)
{
while(st3()==0);
write_data(0x0f);
}
write_code(0xb2);
}

//----------main fun--------------//
void main(void)
{start();
cls();
while(1);

}