HT1623_段码扫描 （COM0~COM7 SEG0~SEG31 ).zip_1623com_7 SEG com an_ht

//DADIJINMAO INDUSTRAIL //TEL:83173111 //#include <stdlib.h> #include <reg51.h> #include <intrins.h> #define unchar unsigned char #define unint unsigned int sbit cspin = P3^0; sbit clkpin = P3^1; sbit dipin = P3^2; unchar buf,dat; void lcdnop() { _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); _nop_(); } /*------------数据传送函数------------*/ void lcdtran() { clkpin=0;lcdnop(); clkpin=1;lcdnop(); } /*------------写命令函数------------*/ void lcdwc(unint n) { int i; cspin=0; lcdnop(); dipin=1; lcdnop(); lcdtran(); dipin=0; lcdnop(); lcdtran(); dipin=0; lcdnop(); lcdtran(); for(i=0;i<8;i++) { dipin=n&0x80; lcdtran(); n<<=1; } dipin=0; lcdtran(); cspin=1; } /*------------写数据函数------------*/ void lcdwd(buf,dat) { int i,j; cspin=0;lcdnop(); dipin=1;lcdnop(); lcdtran(); dipin=0;lcdnop(); lcdtran(); dipin=1;lcdnop(); lcdtran(); buf<<=1; for(i=0;i<7;i++) { //buf<<=2; dipin=buf&0x80; lcdtran(); buf<<=1; } for(j=0;j<8;j++) { dipin=dat&0X01; lcdtran(); dat>>=1; } cspin=1 ; //lcddelay(); } void lcdwr(unchar buff,unchar datt) { int i,j; cspin=0;lcdnop(); dipin=1;lcdnop(); lcdtran(); dipin=0;lcdnop(); lcdtran(); dipin=1;lcdnop(); lcdtran(); buff<<=1; for(i=0;i<7;i++) { //buf<<=2; dipin=buff&0x80; lcdtran(); buff<<=1; } for(j=0;j<4;j++) { dipin=datt&0X01; lcdtran(); datt>>=1; } cspin=1 ; //lcddelay(); } /*------------液晶延时函数------------*/ void lcddelay(ms) { int i, j; for(i=0;i<ms;i++) { for(j=0;j<300;j++) { ; } } } /*------------全屏写数据函数------------*/ void lcdwdd(dat) { unchar i; //buf=0; for(i=0;i<48;i++) { buf=2*i; lcdwd(buf,dat); } } void segskan(unchar _dat) { unchar m; for(m=0;m<96;m++) { lcdwr(m,_dat); lcddelay(500); lcdwdd(0); } } /*------------初始化函数------------*/ void lcdinital() { lcdwc(0x00);_nop_(); lcdwc(0x02);_nop_(); lcdwc(0x18);_nop_(); lcdwc(0x01);_nop_(); lcdwc(0x03);_nop_(); lcdwc(0x29);_nop_(); lcdwdd(0x00);_nop_(); } /*------------显示主函数------------*/ void main(void) { lcdinital(); while(1) { lcdwdd(0xff); lcddelay(1000); lcddelay(1000); lcddelay(1000); //1 lcdwdd(0); lcddelay(1000); //0 lcddelay(1000); //0 lcdwdd(0x01); lcddelay(1000); lcddelay(1000); lcddelay(1000); //COM1 lcdwdd(0x02); lcddelay(1000); lcddelay(1000); lcddelay(1000); //COM2 lcdwdd(0x04); lcddelay(1000); lcddelay(1000); lcddelay(1000); //COM3 lcdwdd(0x08); lcddelay(1000); lcddelay(1000); lcddelay(1000); //COM4 lcdwdd(0x10); lcddelay(1000); lcddelay(1000); lcddelay(1000); //COM5 lcdwdd(0x20); lcddelay(1000); lcddelay(1000); lcddelay(1000); //COM6 lcdwdd(0x40); lcddelay(1000); lcddelay(1000); lcddelay(1000); //COM7 lcdwdd(0x80); lcddelay(1000); lcddelay(1000); lcddelay(1000); //COM8 lcdwdd(0); lcddelay(1000); //0 segskan(0xff); lcddelay(1000); } } //*************************************************************//