// ultrasonic distance sensor
#include "EXT.h"
#include "STC15F2K60S2.H"
#include "displayer.h"
#include "key.h"
#include "sys.h"
#include "universal_decode_table.h"

code unsigned long SysClock = 11059200; //必须。定义系统工作时钟频率(Hz)，用户必须修改成与实际工作频率（下载时选择的）一致
char status = 0;

void spin1() // 50%
{
    SetPWM(0, 0, 50, 500);
    LedPrint(8);
}

void spin2() // 30% reverse
{
    SetPWM(50, 300, 0, 0);
    LedPrint(16);
}

void select()
{
    char act = GetKeyAct(enumKey1);
    if (act == enumKeyPress)
    {
        if (status == 1)
        {
            spin2();
            status = 0;
        }
        else
        {
            spin1();
            status = 1;
        }
    }
}

void main()
{
    EXTInit(enumEXTPWM);
    MySTC_Init();
    DisplayerInit();
    LedPrint(0);
    KeyInit();
    SetEventCallBack(enumKeyPress, select);
    spin1();
    while (1)
    {
        MySTC_OS();
    }
}