/*
 * @name: testPNP.c
 * @author: msksbr
 * @date: 2025-05-29
 * @description: test PNP power supply.
 */

#include <REG52.H>
#include "../51pins/51pins.h"

unsigned char currentChannel = 0;

void main()
{
    while (1) {
        P2 = 0x00;
        switch138(currentChannel);
        if (currentChannel == 7) {
            currentChannel = 0;
        } else {
            currentChannel++;
        }
        delay_ms(1);
    }
}