驱动来了
『关闭窗口』
sed1520的122x32点阵液晶驱动(seekfor)
#define lcd_displayon 0xaf
#define lcd_displayoff 0xae
#define lcd_driveron 0xa5
#define lcd_driveroff 0xa4
#define lcd_duty16 0xa8
#define lcd_duty32 0xa9
#define lcd_end 0xee
#define lcd_reset 0xe2
#define lcd_rwmode 0xe0
#define lcd_startline0 0xc0
#define lcd_page0 0xb8
#define lcd_columnaddr0 0x00
#define lcd_on() lcd_command(lcd_displayon)
#define lcd_off() lcd_command(lcd_displayoff)
#define lcd_staticon() lcd_command(lcd_driveron)
#define lcd_staticoff() lcd_command(lcd_driveroff)
#define lcd_select16() lcd_command(lcd_duty16)
#define lcd_select32() lcd_command(lcd_duty32)
#define lcd_startrw() lcd_command(lcd_rwmode)
#define lcd_endrw() lcd_command(lcd_end)
#define lcd_reset() lcd_command(lcd_reset)
#define lcd_setstartline(i) lcd_command(lcd_startline0+i)
#define lcd_setpage(i) lcd_command(lcd_page0+i)
#define lcd_setcolumn(i) lcd_command(lcd_columnaddr0+i)
#define time 10
#define nop _nop_
sbit a0=p1^3;
sbit rw=p1^4;
sbit e1=p1^5;
sbit e2=p1^6;
#define data p2
/*ascii字体,大小6x8,上到下d0~d7,左到右*/
unsigned char code ascii[][6]={{0x00,0x00,0x00,0x00,0x00,0x00},/*space*/
{0x00,0x7e,0x21,0x21,0x21,0x7e},/*a*/
{0x00,0x7f,0x49,0x49,0x49,0x36},/*b*/
{0x00,0x3e,0x41,0x41,0x41,0x22},/*c*/
{0x00,0x7f,0x41,0x41,0x22,0x1c},/*d*/
{0x00,0x7f,0x49,0x49,0x49,0x49},/*e*/
{0x00,0x7f,0x09,0x09,0x09,0x01},/*f*/
{0x00,0x3e,0x41,0x49,0x49,0x7a},/*g*/
{0x00,0x7f,0x08,0x08,0x08,0x7f},/*h*/
{0x00,0x41,0x7f,0x41,0x00,0x00},/*i*/
{0x00,0x20,0x40,0x41,0x3f,0x01},/*j*/
{0x00,0x7f,0x08,0x14,0x22,0x41},/*k*/
{0x00,0x7f,0x40,0x40,0x40,0x40},/*l*/
{0x00,0x7f,0x02,0x0c,0x02,0x7f},/*m*/
{0x00,0x7f,0x04,0x08,0x10,0x7f},/*n*/
{0x00,0x3e,0x41,0x41,0x41,0x3e},/*o*/
{0x00,0x7f,0x09,0x09,0x09,0x06},/*p*/
{0x00,0x3e,0x41,0x41,0x41,0x3e},/*q*/
{0x00,0x7f,0x09,0x19,0x29,0x46},/*r*/
{0x00,0x46,0x49,0x49,0x49,0x31},/*s*/
{0x00,0x01,0x01,0x7f,0x01,0x01},/*t*/
{0x00,0x3f,0x40,0x40,0x40,0x3f},/*u*/
{0x00,0x1f,0x20,0x40,0x20,0x1f},/*v*/
{0x00,0x3f,0x40,0x38,0x40,0x3f},/*w*/
{0x00,0x63,0x14,0x08,0x14,0x63},/*x*/
{0x00,0x07,0x08,0x70,0x08,0x07},/*y*/
{0x00,0x61,0x51,0x49,0x45,0x43},/*z*/
{0x00,0x20,0x54,0x54,0x54,0x7c},/*a*/
{0x00,0x7f,0x48,0x44,0x44,0x38},/*b*/
{0x00,0x38,0x44,0x44,0x44,0x20},/*c*/
{0x00,0x38,0x44,0x44,0x48,0x7f},/*d*/
{0x00,0x38,0x54,0x54,0x54,0x18},/*e*/
{0x00,0x08,0x7e,0x09,0x01,0x02},/*f*/
{0x00,0x0c,0x52,0x52,0x52,0x3e},/*g*/
{0x00,0x7f,0x08,0x04,0x04,0x78},/*h*/
{0x00,0x00,0x44,0x7d,0x40,0x00},/*i*/
{0x00,0x40,0x40,0x44,0x3d,0x00},/*j*/
{0x00,0x7f,0x10,0x28,0x44,0x00},/*k*/
{0x00,0x00,0x41,0x7e,0x40,0x00},/*l*/
{0x00,0x7c,0x04,0x18,0x04,0x78},/*m*/
{0x00,0x7c,0x08,0x04,0x04,0x78},/*n*/
{0x00,0x38,0x44,0x44,0x44,0x38},/*o*/
{0x00,0x7c,0x14,0x14,0x14,0x08},/*p*/
{0x00,0x08,0x14,0x14,0x14,0x7c},/*q*/
{0x00,0x7c,0x08,0x04,0x04,0x08},/*r*/
{0x00,0x48,0x54,0x54,0x54,0x20},/*s*/
{0x00,0x04,0x3f,0x44,0x44,0x24},/*t*/
{0x00,0x3c,0x40,0x40,0x20,0x7e},/*u*/
{0x00,0x1d,0x20,0x40,0x20,0x1c},/*v*/
{0x00,0x3c,0x40,0x30,0x40,0x3c},/*w*/
{0x00,0x44,0x28,0x10,0x28,0x44},/*x*/
{0x00,0x06,0x48,0x48,0x48,0x3e},/*y*/
{0x00,0x44,0x64,0x54,0x4c,0x44},/*z*/
{0x00,0x00,0x01,0x02,0x04,0x00},/*`*/
{0x00,0x00,0x42,0x7f,0x40,0x40},/*1*/
{0x00,0x62,0x51,0x51,0x49,0x46},/*2*/
{0x00,0x21,0x41,0x45,0x4b,0x31},/*3*/
{0x00,0x18,0x14,0x12,0x7f,0x10},/*4*/
{0x00,0x27,0x45,0x45,0x45,0x39},/*5*/
{0x00,0x3c,0x4a,0x49,0x49,0x30},/*6*/
{0x00,0x01,0x71,0x09,0x05,0x03},/*7*/
{0x00,0x36,0x49,0x49,0x49,0x36},/*8*/
{0x00,0x06,0x49,0x49,0x29,0x1e},/*9*/
{0x00,0x3e,0x51,0x49,0x45,0x3e},/*0*/
{0x00,0x08,0x08,0x08,0x08,0x08},/*-*/
{0x00,0x14,0x14,0x14,0x14,0x14},/*=*/
{0x00,0x01,0x02,0x08,0x10,0x20},/*\*/
{0x00,0x04,0x08,0x04,0x08,0x04},/*~*/
{0x00,0x00,0x00,0x4f,0x00,0x00},/*!*/
{0x00,0x3e,0x59,0x55,0x79,0x3e},/*@*/
{0x00,0x14,0x7f,0x14,0x7f,0x14},/*#*/
{0x00,0x24,0x2a,0x7f,0x2a,0x12},/*$*/
{0x00,0x23,0x13,0x08,0x62,0x61},/*%*/
{0x00,0x04,0x02,0x01,0x02,0x04},/*^*/
{0x00,0x36,0x49,0x55,0x22,0x50},/*&*/
{0x00,0x14,0x08,0x3e,0x08,0x14},/***/
{0x00,0x00,0x1c,0x22,0x41,0x00},/*(*/
{0x00,0x00,0x41,0x22,0x1c,0x00},/*)*/
{0x00,0x40,0x40,0x40,0x40,0x40},/*_*/
{0x00,0x08,0x08,0x3e,0x08,0x08},/*+*/
{0x00,0x00,0x00,0x7e,0x00,0x00},/*|*/
{0x00,0x00,0x7f,0x41,0x41,0x00},/*[*/
{0x00,0x00,0x41,0x41,0x7f,0x00},/*]*/
{0x00,0x00,0x56,0x36,0x00,0x00},/*;*/
{0x00,0x00,0x00,0x05,0x03,0x00},/*'*/
{0x00,0x00,0x00,0x28,0x18,0x00},/*,*/
{0x00,0x00,0x00,0x60,0x60,0x00},/*.*/
{0x00,0x20,0x10,0x08,0x04,0x02},/*//*/
{0x00,0x00,0x08,0x36,0x41,0x00},/*{*/
{0x00,0x00,0x41,0x36,0x08,0x00},/*}*/
{0x00,0x00,0x36,0x36,0x00,0x00},/*:*/
{0x00,0x00,0x00,0x07,0x00,0x07},/*"*/
{0x00,0x08,0x14,0x22,0x41,0x00},/*<*/
{0x00,0x00,0x41,0x22,0x14,0x08},/*>*/
{0x00,0x02,0x01,0x51,0x09,0x06}/*?*/
};
void lcd_command(unsigned char ncommand)
{
unsigned char i;
a0=0;
rw=0;
e1=1;
data=ncommand;
i=time;
while(--i);
e1=0;
i=time;
while(--i);
a0=0;
rw=0;
e2=1;
data=ncommand;
i=time;
while(--i);
e2=0;
i=time;
while(--i);
}
void lcd_setram(bit bchip2,unsigned char ndata)
{
unsigned char i;
a0=1;
rw=0;
if(!bchip2)
{
e1=1;
data=ndata;
i=time;
while(--i);
e1=0;
i=time;
while(--i);
}
else
{
e2=1;
data=ndata;
i=time;
while(--i);
e2=0;
i=time;
while(--i);
}
}
void lcd_write(unsigned char npage,unsigned char ncolumn,unsigned char ndata)
{
lcd_setpage(npage%4);
lcd_setcolumn(ncolumn);
lcd_setram(npage>3,ndata);
}
void lcd_pagewrite(unsigned char npage,unsigned char idata *ndata)
{
unsigned char i;
bit bchip2=npage>3;
lcd_setpage(npage%4);
lcd_setcolumn(0);
for(i=0;i<61;i++)
lcd_setram(bchip2,ndata);
}
void lcd_init()
{
lcd_command(lcd_reset);
lcd_command(0xa0);
lcd_command(lcd_duty32);
lcd_command(0xa4);
}
unsigned char *gettextfont(unsigned char index)
{
static unsigned char font[6];
unsigned char i;
for(i=0;i<6;i++)
font=ascii[index];
return font;
}
/*
x:0~19
y:0~3
*/
void lcd_textout(unsigned char x,unsigned char y,unsigned char *sztext)
{
unsigned char i;
bit bchip2;
x%=20;
y%=4;
if(x>=10)
{
x-=10;
y+=4;
}
bchip2=y>3;
lcd_setpage(y%4);
lcd_setcolumn(x*6);
for(i=0;i<6;i++) lcd_setram(bchip2,sztext);
}
unsigned char getindex(unsigned char sztext)
{
unsigned char code tab[]={' ',
'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q'
,'r','s','t','u','v','w','x','y','z',
'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q'
,'r','s','t','u','v','w','x','y','z',
'`',Ƈ',ƈ',Ɖ',Ɗ',Ƌ',ƌ',ƍ',Ǝ',Ə',Ɔ','-','=','\\',
'~','!','@','#','$','%','^','&','*','(',')','_','+','|',
'[',']','','\'',',','.','/',
'{','}',':','"','<','>','?'
};
unsigned char i;
for(i=0;i if(sztext==tab) return i;
return 0x00;
}
void printf(unsigned char x,unsigned char y,unsigned char *sztext)
{
unsigned char *text;
while(*sztext)
{
text=gettextfont(getindex(*sztext));
lcd_textout(x++,y,text);
if(x==20) break;
sztext++;
}
}
(文章推荐人：晓奇)
