pic16f877a c语言时钟程序

            lcd_write_data(’:’);
            lcd_write_data(CurrentTime.minuteh + ’0’);
            lcd_write_data(CurrentTime.minutel + ’0’);
            lcd_write_data(’:’);
            lcd_write_data(CurrentTime.secondh + ’0’);
            lcd_write_data(CurrentTime.secondl + ’0’);
            lcd_write_inst(lcd_addr | 0x80);            //    resume cursor location
        }
        if (CurrentMode == mode_time)
        {    //    refresh date display
            lcd_addr = lcd_read_addr() & 0x7f;    //    save cursor location
            lcd_write_inst(0xc0 + 3);            //    set LCD line2
            lcd_write_data(CurrentDate.year1 + ’0’);
            lcd_write_data(CurrentDate.year2 + ’0’);
            lcd_write_data(CurrentDate.year3 + ’0’);
            lcd_write_data(CurrentDate.year4 + ’0’);
            lcd_write_data(’/’);
            lcd_write_data(CurrentDate.monthh + ’0’);
            lcd_write_data(CurrentDate.monthl + ’0’);
            lcd_write_data(’/’);
            lcd_write_data(CurrentDate.dayh + ’0’);
            lcd_write_data(CurrentDate.dayl + ’0’);
            lcd_write_inst(lcd_addr | 0x80);            //    resume cursor location
        }
        if (Alarm1Enable)
        {
            if  ((AlarmTime1.hourh == CurrentTime.hourh) & (AlarmTime1.hourl == CurrentTime.hourl)
                 & (AlarmTime1.minuteh == CurrentTime.minuteh) & (AlarmTime1.minutel == CurrentTime.minutel)
                 & (AlarmTime1.secondh == CurrentTime.secondh) & (AlarmTime1.secondl == CurrentTime.secondl))
             {
                 Alarm1Alarm = true;
                 CCP1CON = PWM_on;
                 BackLightEn = 0;
             }
            if (Alarm1Cnt > 120)    //    two minutes
            {
                Alarm1Alarm = false;
                Alarm1Cnt = 0;
                BackLightEn = 1;
                BackLightTimer = 0;
            }
        }
        else
        {
            Alarm1Alarm = false;
            Alarm1Cnt = 0;
        }
        if (Alarm2Enable)
        {
            if  ((AlarmTime2.hourh == CurrentTime.hourh) & (AlarmTime2.hourl == CurrentTime.hourl)
                 & (AlarmTime2.minuteh == CurrentTime.minuteh) & (AlarmTime2.minutel == CurrentTime.minutel)
                 & (AlarmTime2.secondh == CurrentTime.secondh) & (AlarmTime2.secondl == CurrentTime.secondl))
             {
                 Alarm2Alarm = true;
                 CCP1CON = PWM_on;
                 BackLightEn = 0;
             }
             if (Alarm2Cnt > 120)    //    two minutes
             {
                 Alarm2Alarm = false;
                 Alarm2Cnt = 0;
                 BackLightEn = 1;

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本文关键字：程序  C语言  PIC单片机，单片机-工控设备 - PIC单片机