ATmega128并行控制带字库的12864程序

void outChinese(unsigned char place,unsigned char unit,unsigned char *point){unsigned char i,progdata;wr_com(place);for(i=0;iunit*2;i++)//一个汉字为两个字符{progdata=pgm_read_byte(point+i);wr_data(progdata);}}void outchar(unsigned char place,unsigned char unit,unsigned char *point){unsigned char i,progdata;wr_com(place);for(i=0;iunit;i++){progdata=pgm_read_byte(point+i);wr_data(progdata);}}void ydgb(void){wr_com(yb);//显示光标位置yb=yb+0x01;if(yb==0x88){yb=0x90;}if(yb==0x97){yb=0x88;}if(yb==0x8f){yb=0x98;}if(yb==0xa0){yb=0x80;}}void display1(void){ydgb();outChinese(0x80,8,name00);//第一行：80-87HoutChinese(0x90,8,name01);//第二行：90-97HoutChinese(0x88,8,name02);//第三行：88-8FHoutChinese(0x98,8,name03);//第四行：98-9FH//outchar(0x9f,2,name4);}void display2(void){ydgb();outChinese(0x80,8,name10);outChinese(0x90,8,name11);outChinese(0x88,8,name12);outChinese(0x98,8,name13);}void display3(void){ydgb();outchar(0x80,16,name20);outchar(0x90,16,name21);outchar(0x88,16,name22);outchar(0x98,16,name23);}int main(void){DDRC=0xff; //数据PORTC=0x00;DDRG=0xff; //命令PORTG=0xff;DDRD=0xff; //命令PORTD=0xff;reset();while(1){ydgb();j++;ydgb();wr_com(0x01);//清屏if(j==3)j=0;switch(j){case 0:display1();break;case 1:display2();break;case 2:display3();break;}_delay_ms(3000);}}