试题

Main.c

#include <ioCC2530.h>

#define uint16 unsigned int
#define uint8 unsigned char
uint8 ledArray[2] = {0x05, 0x06};
uint8 ledCount; 
uint16 clickCount = 0;

void Init()
{
    P1SEL |= ~0x07;
    P1DIR |= ~0xFF;
    P1DIR |= 0x07;
    P1 = 0x04;
}

void DelayMs(uint16 ms)
{
    for(uint16 i = 0; i < ms; i++)
        for(uint16 j = 0; j < 535; j++);
}

void main(void)
{
    uint8 cycleCount = 200;
    Init();
    while(1)
    {
        while(cycleCount > 0)
        {
            DelayMs(10);
            if(P1_2 == 0)
            {
                DelayMs(10);
                if(P1_2 == 0)
                {
                    ++clickCount;
                    while(P1_2 == 0);
                    break;
                }
            }
            --cycleCount;
        }
        cycleCount = 200;
        
        
        if(clickCount % 2 != 0)
        {
            P1 = ledArray[ledCount];
            if(ledCount < 1) ++ledCount;
            else ledCount = 0;
        }
        else
        {
            P1 = 0x04;
        }
    }
}

演示视频

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