不韋 呂 / Mbed 2 deprecated F746_SinWithNoiseGenerator

ノイズを付加した正弦波発生器 Sinusoidal wave generator with noise.

Dependencies:   F746_GUI F746_SAI_IO Random mbed

Diff: MyFiles/Trigger.hpp

Revision:
0:31361b0fcdad
diff -r 000000000000 -r 31361b0fcdad MyFiles/Trigger.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MyFiles/Trigger.hpp	Sun Nov 04 02:41:21 2018 +0000
@@ -0,0 +1,25 @@
+//---------------------------------------------------------------
+//  トリガの条件を満足する点を探す
+//
+//  2017/07/24, Copyright (c) 2017 MIKAMI, Naoki
+//---------------------------------------------------------------
+
+#ifndef F746_TRIGGER_HPP
+#define F746_TRIGGER_HPP
+
+#include "mbed.h"
+#include "Array.hpp"
+
+namespace Mikami
+{
+    int Trigger(const Array<int16_t>& xn,   // 対象とするデータ
+                int th)                     // トリガの基準値
+    {
+        int n;
+        for (n=1; n<xn.Length()/2; n++)
+            if ((xn[n-1] < -th) && (xn[n] > th))
+                return n;
+        return 0;
+    }
+}
+#endif  // F746_TRIGGER_HPP