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#include<reg52.h> voiddelay_s(unsigned int t); voiddelay_ms(unsigned int t); voidUART_Init(void); voidSpeech(unsigned char*text,unsigned char length); voidinit_lcd(void); voidch_disp_any(unsigned char line,unsigned char row,unsigned char num,unsignedchar chn); #define ch P0 #define led P1 sbit take=P2^0; sbit back=P2^1; void main() { unsigned char money,i,key,x[3]; init_lcd(); UART_Init(); while(1) { ks:led=0xff; ch_disp_any (1,1,16,"所选商品： "); ch_disp_any(2,1,16,"应投金额： "); ch_disp_any (3,1,16,"实投金额： "); ch_disp_any (4,1,16,"所选商品： "); while(ch==0xff); delay_ms(50); switch(ch) { case 0xfe:money=35;led=0xfe;ch_disp_any (1,6,4,"七喜");ch_disp_any (2,6,6,"3.5元");Speech("七喜3.5 元请投币",16);break; case 0xfd:money=40;led=0xfd;ch_disp_any (1,6,4,"可乐");ch_disp_any(2,6,6,"4.0 元");Speech("可乐4.0 元请投币",16);break; case 0xfb:money=45;led=0xfb;ch_disp_any (1,6,4,"牛奶");ch_disp_any(2,6,6,"4.5 元");Speech("牛奶4.5 元请投币",16);break; case 0xf7:money=60;led=0xf7;ch_disp_any (1,6,4,"锐澳");ch_disp_any(2,6,6,"6.0 元");Speech("锐澳6.0 元请投币",16);break; case 0xef:money=30;led=0xef;ch_disp_any (1,6,4,"芬达");ch_disp_any(2,6,6,"3.0 元");Speech("芬达3.0 元请投币",16);break; case 0xdf:money=50;led=0xdf;ch_disp_any (1,6,4,"雪碧");ch_disp_any(2,6,6,"5.0 元");Speech("雪碧5.0 元请投币",16);break; case 0xbf:money=75;led=0xbf;ch_disp_any (1,6,4,"酸奶");ch_disp_any(2,6,6,"7.5 元");Speech("酸奶7.5 元请投币",16);break; case 0x7f:money=20;led=0x7f;ch_disp_any (1,6,4,"白水");ch_disp_any(2,6,6,"2.0 元");Speech("白水2.0 元请投币",16);break; default:break; } toubi: do{i=Keyboard();} while(i>100); if(i==100) goto ks; if(i<90) {key=i; x[0]=key/10+'0'; x[1]='.'; x[2]=key%10+'.'; ch_disp_any (3,6,3,x);ch_disp_any(3,8,4,"元"); Speech("实投",4);Speech(x,4);Speech("元",4); } do{i=Keyboard();}while((i!=100)&&(i!=90)); if(i==100) { if(key==money) { ch_disp_any (4,6,6,"请取物"); Speech("请取物",6); take=0;delay_s(2);take=1; goto ks; } else { ch_disp_any (4,1,16,"退币: 元"); ch_disp_any (4,3,3,x); Speech("退币",4);Speech(x,4);Speech("元",2); back=0;delay_s(2);back=1; ch_disp_any (3,1,16,"实投金额： "); ch_disp_any (4,1,16,"购物状态：请取物"); goto toubi; } } if(i==90) { ch_disp_any (4,1,16,"退币： 元"); ch_disp_any (4,3,3,x); Speech("退币",4);Speech(x,4);Speech("元",4); back=0;delay_s(2);back=1; ch_disp_any (3,1,16,"实投金额： "); ch_disp_any (4,1,16,"购物状态：请取物"); goto toubi; } } }
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