12864 无字库液晶程序的问题

乱码，还是色块。液晶屏是不能直接显示的，一般都有驱动芯片。首橡洞誉先你要颤裤搞清楚的驱动芯片外接什么总线。RS232还是PCI，还是其他什么的。然后再你的梁段系统里面吧驱动加载上去。

标准的一般都是这个程序

#include <reg52.h>

#include <math.h>

#define lcd_data P1

sbit cs1=P2^3

sbit cs2=P2^4

sbit di=P2^0

sbit rw=P2^1

sbit e=P2^2

void delay(int t)

{

int i,j,k

for(i=0i<ti++)

{ for(j=0j<255j++)

k++}

}

void write_com_l(unsigned int command)

{

cs1=1

rw=0

di=0

lcd_data=command

e=1

e=0

cs1=0

}

void write_data_l(unsigned int data0)

{

cs1=1

rw=0

di=1

lcd_data=data0

e=1

e=0

cs1=0

}

void write_com_r(unsigned int command)

{

cs2=1

rw=0

di=0

lcd_data=command

e=1

e=0

cs2=0

}

void write_data_r(unsigned int data0)

{

cs2=1

rw=0

di=1

lcd_data=data0

e=1

e=0

cs2=0

}

void disp0()

{

unsigned int i,j

for (i=0i<8i++)

{write_com_l(0xb8+i)

write_com_r(0xb8+i)

write_com_l(0x40)

write_com_r(0x40)

for (j=0j<64j++)

{write_data_l(0xaa)

write_data_r(0xaa)

}

}

}

void disp1()

{

unsigned int i,j

for (i=0i<8i++)

{write_com_l(0xb8+i)

write_com_r(0xb8+i)

write_com_l(0x40)

write_com_r(0x40)

for (j=0j<64j++)

{write_data_l(0x55)

write_data_r(0x55)

}

}

}

void disp2()

{

unsigned int i,j

for (i=0i<8i++)

{write_com_l(0xb8+i)

write_com_r(0xb8+i)

write_com_l(0x40)

write_com_r(0x40)

for (j=0j<64j++)

{write_data_l(0x0f)

write_data_r(0x0f)

}

}

}

void disp3()

{

unsigned int i,j

for (i=0i<8i++)

{write_com_l(0xb8+i)

write_com_r(0xb8+i)

write_com_l(0x40)

write_com_r(0x40)

for (j=0j<64j++)

{write_data_l(0xf0)

write_data_r(0xf0)

}

}

}

void init_lcd() //初始化LCD清屏

{

write_com_l(0x3e)

write_com_r(0x3e)

write_com_l(0x3f)

write_com_r(0x3f)

write_com_l(0xc0)

write_com_r(0xc0)

write_com_l(0xb8)

write_com_r(0xb8)

write_com_l(0x40)

write_com_r(0x40)

for(1)

{

disp0()

delay(0x0ff)

disp1()

delay(0x0ff)

disp2()

delay(0x0ff)

disp3()

delay(0x0ff)

}

}

void main()

{

IE=0x81

init_lcd()

}

void innt0 () interrupt 0

{

do {}while(1)

}

---