單片機時鐘實現鬧鐘功能

2019-11-10 18:29:28

字體：大中小

來源：轉載

供稿：網友

void main (void){unsigned int i = 0;LCD_Init(); LCD_Clear(); Init_INT0();while(1) { LCD_Write_String(6,1,"clock");if(flag2 == 1){DelayMs(1); SPK =! SPK;Display();flag2 = 0;}if(flag1 == 1){for(i = 0; i<500; i++) { DelayMs(1); SPK =! SPK; }flag1 = 0; }if(clockflag == 1&&hour == clock[0]&&minute == clock[1]&&second == 0){for(i = 0; i<3000; i++) { DelayMs(1); SPK =! SPK; } clockflag = 0;}time();}}void time(){unsigned char num1;static unsigned char temp = 0; KeyPort = 0xf0; if(KeyPRessFlag == 1) { KeyPressFlag = 0; num1 = KeyPro();switch(num1) { case 0:hour++;if(hour == 24)hour = 0; break;case 1:hour--;if(hour == 255)hour = 23; break;case 2:minute++;if(minute == 60)minute = 0; break;case 3:minute--;if(minute == 255)minute = 59; break;case 4:{Init_Timer0();IRcvStr(0xae,4,store,3);hour = store[0];minute = store[1];second = store[2]; break; }case 5:{if(temp%2 == 0)ET0 = 1;elseET0 = 0;temp++;break;}case 6: hour = 0;minute = 0;second = 0; break;case 7: { alarm();} default:break;}}}void alarm(){unsigned char num2;unsigned char hour1 = 0;unsigned char minute1 = 0; LCD_Init(); LCD_Clear(); LCD_Write_String(0,0,"next alarm: "); while(1){LCD_Write_Char(11,0,clock[0]/10+'0'); LCD_Write_Char(12,0,clock[0]%10+'0'); LCD_Write_Char(13,0,':'); LCD_Write_Char(14,0,clock[1]/10+'0'); LCD_Write_Char(15,0,clock[1]%10+'0'); LCD_Write_String(0,1,"set alarm: "); LCD_Write_Char(11,1,hour1/10+'0'); LCD_Write_Char(12,1,hour1%10+'0'); LCD_Write_Char(13,1,':'); LCD_Write_Char(14,1,minute1/10+'0'); LCD_Write_Char(15,1,minute1%10+'0'); KeyPort = 0xf0; if(KeyPressFlag == 1) {KeyPressFlag = 0; num2 = KeyPro();switch(num2) { case 0:hour1++;if(hour1 == 24)hour1 = 0; break;case 1:hour1--;if(hour1 == 255)hour1 = 23; break;case 2:minute1++;if(minute1 == 60)minute1 = 0; break;case 3:minute1--;if(minute1 == 255)minute1 = 59; break;case 4:clock[0] = hour1;clock[1] = minute1;clockflag = 1;break;case 5:LCD_Clear();return;default:break;}}}}void Display(){unsigned char h0,h1, m0,m1 ,s0,s1;h0 = hour/10+48;h1 = hour%10+48;m0 = minute/10+48;m1 = minute%10+48;s0 = second/10+48;s1 = second%10+48; LCD_Write_Char(4,0,h0);LCD_Write_Char(5,0,h1);LCD_Write_Char(6,0,':');LCD_Write_Char(7,0,m0);LCD_Write_Char(8,0,m1);LCD_Write_Char(9,0,':');LCD_Write_Char(10,0,s0);LCD_Write_Char(11,0,s1);store[0] = hour;store[1] = minute;store[2] = second; ISendStr(0xae,4,store,3); }

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