Steven Swenson / FrequencyFinder

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Show/hide line numbers FrequencyFinder.h Source File

FrequencyFinder.h

00001 #pragma once
00002 #include "mbed.h"
00003 #include "FFT.h"
00004 
00005 #include "NewTextLCD.h"
00006 
00007 using namespace std;
00008 
00009 const int size=4096;
00010 
00011 class FrequencyFinder{
00012 public:
00013 
00014 FrequencyFinder(PinName input);
00015 ~FrequencyFinder();
00016 
00017 float find_frequency();
00018 void get_data();
00019 void take_abs();
00020 int find_peak();
00021 int find_max(int);
00022 void initialize_array();
00023 void copy_data();
00024 
00025 private:
00026     float signal_array[size];
00027     int index;
00028     int peak;
00029     int frequency_final;
00030     
00031     Ticker ticker;
00032     AnalogIn _signal_in;
00033     AnalogOut _dc_offset;
00034    
00035 };
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