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@14:fd59e7acf2e5, 2012-04-26 (annotated)

Committer:
melangeaddict
Date:
Thu Apr 26 22:20:53 2012 +0000
Revision:
14:fd59e7acf2e5
Parent:
10:4566e8aeb3ae 
98% Completed; Good step numbers up and down;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
melangeaddict 2:9c0a83c5ded5 1 #pragma once
melangeaddict 2:9c0a83c5ded5 2 #include "mbed.h"
melangeaddict 2:9c0a83c5ded5 3 #include "FFT.h"
melangeaddict 2:9c0a83c5ded5 4
melangeaddict 2:9c0a83c5ded5 5 #include "NewTextLCD.h"
melangeaddict 2:9c0a83c5ded5 6
melangeaddict 2:9c0a83c5ded5 7 using namespace std;
melangeaddict 2:9c0a83c5ded5 8
melangeaddict 2:9c0a83c5ded5 9 const int size=4096;
melangeaddict 2:9c0a83c5ded5 10
melangeaddict 2:9c0a83c5ded5 11 class FrequencyFinder{
melangeaddict 2:9c0a83c5ded5 12 public:
melangeaddict 2:9c0a83c5ded5 13
melangeaddict 2:9c0a83c5ded5 14 FrequencyFinder(PinName input);
melangeaddict 2:9c0a83c5ded5 15 ~FrequencyFinder();
melangeaddict 2:9c0a83c5ded5 16
melangeaddict 2:9c0a83c5ded5 17 float find_frequency();
melangeaddict 2:9c0a83c5ded5 18 void get_data();
melangeaddict 2:9c0a83c5ded5 19 void take_abs();
melangeaddict 2:9c0a83c5ded5 20 int find_peak();
melangeaddict 2:9c0a83c5ded5 21 int find_max(int);
melangeaddict 2:9c0a83c5ded5 22 void initialize_array();
melangeaddict 9:2a211133e79a 23 void copy_data();
melangeaddict 2:9c0a83c5ded5 24
melangeaddict 2:9c0a83c5ded5 25 private:
melangeaddict 2:9c0a83c5ded5 26 float signal_array[size];
melangeaddict 2:9c0a83c5ded5 27 int index;
melangeaddict 2:9c0a83c5ded5 28 int peak;
melangeaddict 2:9c0a83c5ded5 29 int frequency_final;
melangeaddict 2:9c0a83c5ded5 30
melangeaddict 2:9c0a83c5ded5 31 Ticker ticker;
melangeaddict 2:9c0a83c5ded5 32 AnalogIn _signal_in;
melangeaddict 2:9c0a83c5ded5 33 AnalogOut _dc_offset;
melangeaddict 10:4566e8aeb3ae 34
melangeaddict 2:9c0a83c5ded5 35 };