56 lines
972 B
C
56 lines
972 B
C
// ultrasonic distance sensor
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#include "EXT.h"
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#include "STC15F2K60S2.H"
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#include "displayer.h"
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#include "key.h"
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#include "sys.h"
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#include "universal_decode_table.h"
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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
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char status = 0;
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void spin1() // 50%
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{
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SetPWM(0, 0, 50, 500);
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LedPrint(8);
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}
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void spin2() // 30% reverse
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{
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SetPWM(50, 300, 0, 0);
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LedPrint(16);
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}
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void select()
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{
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char act = GetKeyAct(enumKey1);
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if (act == enumKeyPress)
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{
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if (status == 1)
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{
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spin2();
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status = 0;
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}
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else
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{
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spin1();
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status = 1;
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}
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}
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}
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void main()
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{
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EXTInit(enumEXTPWM);
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MySTC_Init();
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DisplayerInit();
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LedPrint(0);
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KeyInit();
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SetEventCallBack(enumKeyPress, select);
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spin1();
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while (1)
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{
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MySTC_OS();
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}
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}
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