Steven Swenson
Class to determine the frequency of an input array
Diff: FrequencyFinder.h
- Revision:
- 0:78c2ee8ea962
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/FrequencyFinder.h Sun Nov 25 23:10:33 2012 +0000
@@ -0,0 +1,35 @@
+#pragma once
+#include "mbed.h"
+#include "FFT.h"
+
+#include "NewTextLCD.h"
+
+using namespace std;
+
+const int size=4096;
+
+class FrequencyFinder{
+public:
+
+FrequencyFinder(PinName input);
+~FrequencyFinder();
+
+float find_frequency();
+void get_data();
+void take_abs();
+int find_peak();
+int find_max(int);
+void initialize_array();
+void copy_data();
+
+private:
+ float signal_array[size];
+ int index;
+ int peak;
+ int frequency_final;
+
+ Ticker ticker;
+ AnalogIn _signal_in;
+ AnalogOut _dc_offset;
+
+};
\ No newline at end of file