我有个24064的液晶屏, 求个驱动程序.
我找了个程序, 但显示的都是格子, 想显示文字, 但不会修改, 请高手帮助.
/**** test program for 24064 *****/
#include <stc89c51rc_rd_plus.h>
#include <intrins.h>
typedef unsigned char uchar;
typedef unsigned int uint;
sbit cd = p2^0; /*通道选择，=1为指令通道，=0为数据通道*/
sbit ce = p2^7; /*低电平有效，t6963c片选信号*/
sbit fs = p3^5; /*字体选择*/
sbit rst = p2^3; /*复位信号，低电平有效*/
sbit rd = p3^7; /*读操作，低电平有效*/
sbit wr = p3^6; /*写操作，低电平有效*/
sbit test2 = p3^2;
sbit test3 = p3^3;
sbit test4 = p3^4;
sbit sta0 = p0^0;
sbit sta1 = p0^1;
sbit sta2 = p0^2;
sbit sta3 = p0^3;
sbit sta4 = p0^4;
sbit sta5 = p0^5;
sbit sta6 = p0^6;
sbit sta7 = p0^7;
sfr lcdbus=0x80; /*数据总线，p0口，db0-db7*/
bit d1500ms_flag = 0;
uint data i;
uchar data time0_number;
uchar code han0[] = {0x80,0x81,0x82,0x83};
uchar code han1[] = {0x84,0x85,0x86,0x87};
uchar code han2[] = {0x88,0x89,0x8a,0x8b};
uchar code han3[] = {0x8c,0x8d,0x8e,0x8f};
uchar code han4[] = {0x90,0x91,0x92,0x93};
uchar code han5[] = {0x94,0x95,0x96,0x97};
uchar code han6[] = {0x98,0x99,0x9a,0x9b};
uchar code han7[] = {0x9c,0x9d,0x9e,0x9f};
uchar code han8[] = {0xa0,0xa1,0xa2,0xa3};
uchar code han9[] = {0xa4,0xa5,0xa6,0xa7};
uchar code han10[] = {0xa8,0xa9,0xaa,0xab};
uchar code han11[] = {0xac,0xad,0xae,0xaf};
uchar code han12[] = {0xb0,0xb1,0xb2,0xb3};
uchar code han13[] = {0xb4,0xb5,0xb6,0xb7};
uchar code han14[] = {0xb8,0xb9,0xba,0xbb};
uchar code han15[] = {0xbc,0xbd,0xbe,0xbf};
uchar code han16[] = {0xc0,0xc1,0xc2,0xc3};
uchar code han17[] = {0xc4,0xc5,0xc6,0xc7};
uchar code han18[] = {0xc8,0xc9,0xca,0xcb};
uchar code han19[] = {0xcc,0xcd,0xce,0xcf};
uchar code han20[] = {0xd0,0xd1,0xd2,0xd3};
uchar code han21[] = {0xd4,0xd5,0xd6,0xd7};
uchar code tab[] =
{
/*80*/ 0x00,0x00,0x00,0x00,0xfc,0x8d,0x69,0x3a,
0x00,0x00,0x80,0xc0,0x8c,0xf4,0x4c,0x58,
0x38,0x6c,0xc1,0x03,0x1e,0x00,0x00,0x00,
0xe0,0xb0,0x9c,0x0f,0x07,0x00,0x00,0x00,/*欢0*/
/*84*/ 0x00,0x00,0x00,0x67,0x7e,0x04,0xf4,0x16,
0x00,0x00,0x00,0xc8,0x7c,0x6c,0x6c,0xe8,
0x17,0xff,0x83,0x00,0x00,0x00,0x00,0x00,
0x70,0x60,0xff,0x7f,0x0c,0x00,0x00,0x00,/*迎1*/
/*88*/ 0x00,0x00,0x00,0x38,0xf7,0xf0,0x33,0x32,
0x00,0x00,0x60,0x60,0xfe,0x64,0xfc,0x6c,
0x33,0x33,0x30,0x31,0x3f,0x00,0x00,0x00,
0xfc,0xc0,0xf0,0x9f,0x07,0x02,0x00,0x00,/*使2*/
/*8c*/ 0x00,0x00,0x08,0x0f,0x0c,0x0c,0x0f,0x0c,
0x00,0x00,0x02,0xff,0x63,0x63,0xff,0x63,
0x0f,0x18,0x18,0x38,0xf0,0x00,0x00,0x00,
0xff,0x63,0x63,0x63,0x63,0x43,0x00,0x00,/*用3*/
/*90*/ 0x00,0x00,0x40,0xff,0xc7,0x44,0x5b,0x46,
0x00,0x00,0x00,0xfe,0x66,0xe6,0x86,0xe6,
0x7a,0x41,0x47,0x40,0x7f,0x00,0x00,0x00,
0x3e,0x86,0x86,0x06,0xfe,0x04,0x00,0x00,/*图4*/
/*94*/ 0x00,0x00,0x00,0x7f,0x33,0x33,0xff,0xff,
0x00,0x00,0x00,0xc7,0x1c,0x00,0xc7,0xcc,
0x1b,0x1b,0x33,0xf3,0xc3,0x00,0x00,0x00,
0x30,0x01,0x07,0x1c,0xf8,0x00,0x00,0x00,/*形5*/
/*98*/ 0x00,0x00,0x01,0x01,0x01,0x19,0x1f,0x18,
0x00,0x00,0x80,0xf0,0xfc,0x80,0xfc,0x0c,
0x1f,0x08,0x12,0x76,0xc4,0x00,0x00,0x00,
0xf8,0x08,0x4c,0x67,0x23,0x01,0x00,0x00,/*点6*/
/*9c*/ 0x00,0x00,0x00,0xfd,0x67,0x68,0x79,0x6f,
0x00,0x00,0x60,0x60,0xff,0xe0,0xb0,0xfc,
0x6d,0x7b,0x67,0x60,0x60,0x40,0x00,0x00,
0xb0,0xfc,0xff,0x30,0x30,0x30,0x00,0x00,/*阵7*/
/*a0*/ 0x00,0x10,0x30,0x70,0xb0,0x10,0x10,0x10,
0x00,0x00,0x18,0x24,0x46,0x42,0x02,0x06,
0x20,0x20,0x20,0x20,0x20,0x20,0x20,0xf0,
0x06,0x0c,0x00,0x08,0x10,0x60,0x22,0x7e,/*12 8*/
/*a4*/ 0x00,0x00,0x38,0x62,0x42,0x42,0x62,0x36,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x63,
0x18,0x1c,0x26,0x46,0x42,0x42,0x43,0x3e,
0x32,0x34,0x18,0x08,0x1c,0x24,0x26,0x47,/*8x 9*/
/*a8*/ 0x00,0x00,0x06,0x08,0x10,0x20,0x20,0x60,
0x00,0x00,0x00,0x04,0x0c,0x14,0x14,0x24,
0x5e,0x62,0x42,0x43,0x43,0x42,0x62,0x3c,
0x24,0x44,0x44,0x7f,0x04,0x04,0x04,0x04,/*64 10*/
/*ac*/ 0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,
0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,
0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,
0xaa,0x55,0xaa,0x55,0xaa,0x55,0xaa,0x55,/*....11*/
/*b0*/ 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,/*全黑12*/
/*b4*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*全白13*/
/*b8*/ 0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*上边14*/
/*bc*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,/*下边15*/
/*c0*/ 0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*左边16*/
/*c4*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,/*右边17*/
/*c8*/ 0xff,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,/*左上18*/
/*cc*/ 0xff,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0xff,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,/*右上19*/
/*d0*/ 0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x80,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0xff,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,/*左下20*/
/*d4*/ 0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0x01,
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,
0x01,0x01,0x01,0x01,0x01,0x01,0x01,0xff /*右下21*/
};
void r_st(uchar w);
void wdata(bit cd_flag,uchar d); /*数据写操作*/
void dmod(uchar x0,uchar x1,uchar c);
void smod(uchar x1,uchar c);
void nmod(uchar c);
/* 使用寄存0 组 */
#pragma registerbank(0)
void soft_10ms(){
register int i;
for(i=0;i<711;i++);
}
/* 初始化 */
void initcomm(void)
{
ie=0;
p0=0xff; p1=0xff; p2=0xff; p3=0xff;
tmod=0x11; th0 = 0; tl0 = 0; tr0 = 1;
et0 = 1; ea = 1;
}
/* 初始化 lcd240128 */
void initlcd(void)
{
dmod(0x00,0x00,0x40); /*文本显示区域首地址*/
dmod(0x1e,0x00,0x41); /*文本显示宽度和一行显示字节数*/
dmod(0x00,0x08,0x42); /*图形显示区域首地址*/
dmod(0x1e,0x00,0x43); /*图形显示宽度，一行显示所占字节*/
dmod(0x03,0x00,0x22); /*cgram首地址 00011 100000000 000 = 1c00h*/
nmod(0xa7); /*光标形状设置*/
nmod(0x80); /*显示方式：逻辑“或”合成*/
nmod(0x9c); /*显示开关设置，开文本和图形显示*/
}
/* lcd 清0*/
void clear(void)
{
dmod(0x00,0x00,0x24); /*显示存储器首地址*/
nmod(0xb0); /*自动写方式*/
for (i = 0;i < 0x2000;i++)
{
r_st(3); /*等待自动写状态*/
wdata(0,0);
}
nmod(0xb2); /*自动写结束*/
}
/****************************************************
读状态字
cd_flag = 1 读命令通到。 = 0 读数据通到。
w = 0 指令读，写状态， 返回1 准备好 返回0 忙。
w = 1 数据读，写状态， 返回1 准备好 返回0 忙。
w = 2 数据自动读状态， 返回1 准备好 返回0 忙。
w = 3 数据自动写状态， 返回1 准备好 返回0 忙。
w = 5 控制运行检测可能性，返回1 准备好 返回0 忙。
w = 6 屏读/栲贝出错状态， 返回1 正确 返回0 出错。
w = 7 闪烁状态检测， 返回1 正常显示 返回0 关显示。
******************************************************/
void r_st (uchar w)
{
uchar data i = 0;
uchar data c;
cd = 1; lcdbus = 0xff; ce = 0;
while (--i)
{
rd = 0; c = lcdbus; rd = 1; ce = 1;
if ((w == 1) && ((c & 3) == 3)) return;
if ((w == 3) && (c & 8)) return;
}
}
void wdata(bit cd_flag,uchar d) /*数据写操作*/
{
cd = cd_flag;
lcdbus = d;
ce = 0; wr = 0; wr = 1; ce = 1; cd = 0;
}
/*双参数指令*/
void dmod(uchar x0,uchar x1,uchar c)
{
r_st(1); wdata(0,x0);
r_st(1); wdata(0,x1);
r_st(1); wdata(1,c);
}
/*单参数指令*/
void smod(uchar x1,uchar c)
{
r_st(1); wdata(0,x1);
r_st(1); wdata(1,c);
}
/*无参数指令*/
void nmod(uchar c)
{
r_st(1); wdata(1,c);
}
/*************************************************************
建立cgram 函数（图形方式）
*p 汉字库字符首地址
*************************************************************/
void cgram(uchar code *p)
{
dmod(0x00,0x1c,0x24);
nmod(0xb0);
for (i = 0;i < 0x0400;i++)
wdata(0,*p++);
nmod(0xb2);
}
/*************************************************************
汉字写入函数（文本方式）
o_y y 坐标（0-3）*2 改7为3， 只有4行
o_x x 坐标（0-14）*2
d_code 写入字符代码
*************************************************************/
void wri_ct(uchar code *p,uchar o_y,uchar o_x)
{
uint c;
c = o_y * 0x1e + o_x;
dmod(c,c>> 8,0x24);
smod(*p++,0xc0);
smod(*p++,0xc0);
c += 0x1e;
dmod(c,c>> 8,0x24);
smod(*p++,0xc0);
smod(*p++,0xc0);
}
/****绘点子函数 o_y y 坐标（0-63，127） o_x x 坐标（0-239）****/
void wri_d(uchar o_y,uchar o_x)
{
uint c;
c = o_y * 0x1e;
dmod(c + (o_x / 8),(c + (o_x / 8) + 0x0800) >> 8,0x24);
nmod((~(o_x % 8)) | 0xf8);
}
/**** 主函数 ****/
void main(void) using 0
{
uchar ii,jj;
ce = 1; rst = 0;
initcomm(); /*初始化*/
for(i = 0;i < 0x1000;i++) ;
rst = 1; /*复位*/
fs = 0;
initlcd(); /*初始化 lcd240128 */
clear(); /* lcd 清0*/
cgram(tab);
while(1)
{
for(ii=0;ii<2;ii++)
{
for(jj=0;jj<15;jj++){wri_ct(han11,ii*2,jj*2);}
}
for(ii=0;ii<150;ii++){soft_10ms();}
for(ii=0;ii<2;ii++)
{
for(jj=0;jj<15;jj++){wri_ct(han12,ii*2,jj*2);}
}
for(ii=0;ii<150;ii++){soft_10ms();}
for(ii=0;ii<2;ii++)
{
for(jj=0;jj<15;jj++){wri_ct(han13,ii*2,jj*2);}
}
wri_ct(han0,2,3); //wri_ct(han0,4,3);
wri_ct(han1,2,6); //wri_ct(han1,4,6);
wri_ct(han2,2,9); //wri_ct(han2,4,9);
wri_ct(han3,2,12); //wri_ct(han3,4,12);
wri_ct(han4,2,15); //wri_ct(han4,4,15);
wri_ct(han5,2,18); //wri_ct(han5,4,18);
wri_ct(han6,2,21); //wri_ct(han6,4,21);
wri_ct(han7,2,24); //wri_ct(han7,4,24);
for(jj=0;jj<15;jj++){wri_ct(han14,0,jj*2);}
// for(jj=0;jj<15;jj++){wri_ct(han15,6,jj*2);}
for(jj=0;jj<2;jj++){wri_ct(han16,jj*2,0);}
for(jj=0;jj<2;jj++){wri_ct(han17,jj*2,28);}
wri_ct(han18,0,0); wri_ct(han19,0,28);
// wri_ct(han20,6,0); wri_ct(han21,6,28);
for(ii=0;ii<150;ii++){soft_10ms();}
}
}
