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

void showDist()
{
    int dist = GetUltraSonic(), num[5];
    num[0] = dist / 10000;
    num[1] = (dist % 10000) / 1000;
    num[2] = (dist % 1000) / 100;
    num[3] = (dist % 100) / 10;
    num[4] = dist % 10;
    Seg7Print(num[0], num[1], num[2], num[3], num[4], 0, 0, 0);
}

void main()
{
    DisplayerInit();
    EXTInit(enumEXTUltraSonic);
    LedPrint(0);
    SetDisplayerArea(0, 4);
    MySTC_Init();
    SetEventCallBack(enumEventSys10mS, showDist);
    while (1)
    {
        MySTC_OS();
    }
}