pic16f877a c语言时钟程序

        }
        else if(KeyNew == key_right)
        {
            adjust_item ++;
            lcd_write_inst(time_secondh_addr);
        }
    }
    else if (adjust_item == 4)    //    set secondh
    {
        if (KeyNew <6)
        {
            AlarmTime2.secondh = KeyNew;
            lcd_write_data(AlarmTime2.secondh + ’0’);
            //lcd_write_inst(0x10);    //     MOV e cursor back
            adjust_item ++;
        }
        else if(KeyNew == key_left)
        {
            adjust_item --;
            lcd_write_inst(time_minutel_addr);
        }
        else if(KeyNew == key_right)
        {
            adjust_item ++;
            lcd_write_inst(time_secondl_addr);
        }
    }
    else if (adjust_item == 5)    //    set secondl
    {
        if ((KeyNew >=0) & (KeyNew <=9))
        {
            AlarmTime2.secondl = KeyNew;
            lcd_write_data(AlarmTime2.secondl + ’0’);
            //lcd_write_inst(0x10);    //     MOV e cursor back
            adjust_item ++;
            lcd_write_inst(time_secondl_addr+3);
        }
        else if(KeyNew == key_left)
        {
            adjust_item --;
            lcd_write_inst(time_secondh_addr);
        }
        else if(KeyNew == key_right)
        {
            adjust_item ++;
            lcd_write_inst(time_secondl_addr+3);
        }
    }
    else if (adjust_item == 6)    //    set on/off
    {
        if ((KeyNew == key_up) | (KeyNew == key_down))
        {
            if (Alarm2Enable)
            {
                Alarm2Enable =false;    //    disable alarm2
                lcd_write_data(’f’);
                lcd_write_data(’f’);
            }
            else
            {
                Alarm2Enable =true;        //    enable alarm2
                lcd_write_data(’n’);
                lcd_write_data(’ ’);
            }
            //lcd_write_inst(time_secondl_addr+3);
            adjust_item = 0;
            lcd_write_inst(time_hourh_addr);
            Alarm2Cnt = 0;
        }
        else if(KeyNew == key_left)
        {
            adjust_item --;
            lcd_write_inst(time_secondl_addr);
        }
        else if(KeyNew == key_right)
        {
            adjust_item = 0;
            lcd_write_inst(time_hourh_addr);
        }
    }

 }

 //    -------------------------------------------------------
 void main(void)
 {
    unsigned char cnt;
    TRISC = 0x03;    //    PORTC.3 drive led,low active
    PORTC_MAP = 0x00;
    led = 0;
    BackLightEn = 0;
    BackLightTimer = 0;
    PORTC = PORTC_MAP;

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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