digital audio mod11 / Mbed 2 deprecated fftimplement

oldexamplecode

Dependencies:   mbed

Diff: PSDdetection.h

Revision:
0:6863633bf8a4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PSDdetection.h	Fri Mar 24 11:22:30 2017 +0000
@@ -0,0 +1,29 @@
+
+#ifndef PSD_DETECTION_H_
+#define PSD_DETECTION_H_
+#pragma once
+
+class Arm{
+
+public:
+	Arm();
+	~Arm();
+
+	// Sets a new reference level
+	void setReference(int reflevel);
+	// Updates the array with a new sample and checks wheter a muscle is active
+	bool checksample(int emgsample);
+	// Filters the signal with a biquad filter
+	int biquad10 (int emgsample);
+
+
+private:
+	int EMGreference;
+	const int EMGtriggerlevel = 20; // above the reference
+	int prevEMG[4];
+
+};
+
+
+
+#endif
\ No newline at end of file