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main.cpp
- Committer:
- kohacraft
- Date:
- 2015-07-20
- Revision:
- 0:7930f6daf302
- Child:
- 1:06a94cf9d98a
File content as of revision 0:7930f6daf302:
#include "mbed.h"
/* 踏切を再現するプログラム */
DigitalOut sp(dp1); //スピーカーをつなぐピンを出力に設定
DigitalIn sw(dp2); //スイッチをつなぐピンを入力に設定
DigitalOut led1(dp14); //LED1をつなぐピンを出力に設定
DigitalOut led2(dp28); //LED2をつなぐピンを出力に設定
int main() {
while(1) {
//両方のLEDを消す
led1 = 0;
led2 = 0;
//スイッチが押されているか調べて
//押されていたらLEDを光らせ音を鳴らす
if( sw == 1 )
{
//片方のLEDだけを点灯
led1 = 1;
led2 = 0;
//ミの音をちょっと出す
for( int i=0 ; i<20 ; i++ )
{
sp = 1;
wait(1.0/1318.51/2); //1318.51Hzがミの音
sp = 0;
wait(1.0/1318.51/2);
}
//ドの音を長く出す
for( int i=0 ; i<200*2 ; i++ )
{
sp = 0;
wait(1.0/1046.50/2); //1046.50Hzがドの音
sp = 1;
wait(1.0/1046.50/2);
}
wait (0.1);
//もう片方のLEDだけを点灯
led1 = 0;
led2 = 1;
//ミの音をちょっと出す
for( int i=0 ; i<20*2 ; i++ )
{
sp = 1;
wait(1.0/1318.51/2);
sp = 0;
wait(1.0/1318.51/2);
}
//ドの音を長く出す
for( int i=0 ; i<200*2 ; i++ )
{
sp = 0;
wait(1.0/1046.50/2);
sp = 1;
wait(1.0/1046.50/2);
}
wait (0.1);
}
}
}