Steven Swenson / Mbed 2 deprecated tuner

A program to automatically tune a guitar. Written by Justin Reidhead and Steven Swenson

Dependencies:   FFT FrequencyFinder Motor NewTextLCD PinDetect mbed strings

FrequencyFinder/FrequencyFinder.h

Committer:
melangeaddict
Date:
2012-04-15
Revision:
2:9c0a83c5ded5
Child:
9:2a211133e79a

File content as of revision 2:9c0a83c5ded5:

#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();

private:
    float signal_array[size];
    int index;
    int peak;
    int frequency_final;
    
    Ticker ticker;
    AnalogIn _signal_in;
    AnalogOut _dc_offset;
};