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Dependencies: mbed
Diff: us015.h
- Revision:
- 2:e2b803e3bcbc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/us015.h Fri Nov 08 16:16:43 2019 +0000
@@ -0,0 +1,40 @@
+#ifndef __US015_H
+#define __US015_H
+
+#include "mbed.h"
+
+
+//====================================
+// define定義
+//====================================
+#define US015_TRIGER_ON 1 // トリガーON
+#define US015_TRIGER_OFF 0 // トリガーOFF
+#define US015_TRIGER_PALUSE_WIDTH 10 // トリガーの幅
+#define US015_PERIODIC_TRIGER 100000 // 音響測距トリガー
+#define US015_SOUND_OF_SPEED 0.340 // 音速[mm/us]
+
+
+//====================================
+// 音響測距センサ(US015)の制御クラス
+//====================================
+class US015
+{
+ public:
+ US015(PinName trg, PinName ech);
+ US015(PinName trg, PinName ech, float tkTime);
+ float GetDistance();
+ void TrigerOut(); // トリガー出力
+
+ private:
+ DigitalOut _trigerOut; // U015トリガー出力
+ InterruptIn _interruptEcho; // U015エコー入力
+ Timer timer; // 時間計測用のタイマ
+ Ticker tk; // 周期処理用のチッカー
+ float tmBegin; // エコーの立ち上がり時間
+ float tmEnd; // エコーの立ち下がり時間
+ float distance; // 距離測定
+ void EchoFall(); // エコーの立ち下がり処理
+ void EchoRise(); // エコーの立ち上がり処理
+};
+
+#endif
\ No newline at end of file