点阵液晶显示实验报告(6)

{

if(flag==1) {flag=0;clear_screen(0);} lcd_display_hanzi(1,0,0,12);

lcd_display_hanzi(1,1,1,17);

lcd_display_hanzi(1,1,2,18); lcd_display_hanzi(1,1,3,19); lcd_display_hanzi(2,1,1,15);

lcd_display_hanzi(1,2,1,15); lcd_display_hanzi(1,2,2,22); lcd_display_hanzi(2,1,2,16); lcd_display_hanzi(1,0,1,13); lcd_display_hanzi(1,0,2,45);

lcd_display_hanzi(1,2,3,22);

lcd_display_hanzi(2,2,1,20); lcd_display_hanzi(2,2,2,21);

lcd_display_hanzi(1,3,1,23);

lcd_display_hanzi(1,3,2,24); lcd_display_hanzi(1,3,3,25); lcd_display_hanzi(2,3,1,26);

}

void lcd_display_3() {

if(flag==1) {flag=0;clear_screen(0);} lcd_display_hanzi(1,0,0,29);

lcd_display_hanzi(1,0,1,30); lcd_display_hanzi(1,0,2,31); lcd_display_hanzi(1,0,3,32);

lcd_display_hanzi(1,1,3,34); lcd_display_hanzi(2,0,0,33); lcd_display_hanzi(2,3,2,27);

lcd_display_hanzi(2,1,0,35);

lcd_display_hanzi(2,1,1,36); lcd_display_hanzi(2,1,2,37); lcd_display_hanzi(2,1,3,28);

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lcd_display_hanzi(1,2,0,38);

lcd_display_hanzi(1,2,1,39);

lcd_display_hanzi(1,2,2,40); lcd_display_hanzi(1,2,3,41); lcd_display_hanzi(2,2,0,42);

lcd_display_hanzi(2,2,1,43); lcd_display_hanzi(2,2,2,44);

}

void main(void) { init(); while(1) {

switch(select) } }

void EX0_ISR() interrupt 0 { flag=1; if(key_up==0) select++; else select--; select%=4; }

{

case 0:lcd_display_0();break;

case 1:lcd_display_1();break; case 2:lcd_display_2();break; case 3:lcd_display_3();break;

}

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