附录
程序清单 #include
#define uchar unsigned char #define uint unsigned int sbit dula=P2^6; sbit wela=P2^7; sbit rs=P1^0; sbit rw=P1^1; sbit beep=P2^3; sbit lcden=P2^5; sbit led3=P1^2; sbit led4=P1^3; sbit led5=P1^4; sbit led6=P1^5; sbit led7=P1^6; sbit led8=P1^7;
bit ok1,ok2,ok3,clear;
uchar pass,nopass,temp; uchar table[]=%uchar table1[]=%uchar table2[]=%uchar table3[]=%uchar table4[]=\ %uchar table5[]=\ \
void delay(uint z) { }
void write_com(uchar com) { }
void write_date(uchar date) { }
rs=1; lcden=0; P0=date; delay(5); lcden=1; delay(5); lcden=0;
rs=0; lcden=0; P0=com; delay(5); lcden=1; delay(5); lcden=0;
uint x,y; for(x=z;x>0;x--)
for(y=110;y>0;y--);
void init() { rw=0; // uchar a; }
void yes() { }
uchar a;
write_com(0x80+12); delay(20); for(a=0;a<3;a++) { }
write_date(table[a]); delay(20); dula=0; wela=0; write_com(0x38); delay(20); write_com(0x0c); delay(20); write_com(0x06); delay(20); write_com(0x01); delay(20);
void no() { }
void agree() { }
void disagree() {
uchar a;
write_com(0x80+0x40); delay(20); for(a=0;a<8;a++) uchar a;
write_com(0x80); delay(20); for(a=0;a<5;a++) { }
write_date(table2[a]); delay(20); uchar a;
write_com(0x80+0x40+12); delay(20); for(a=0;a<2;a++) { }
write_date(table1[a]); delay(20);