A program to automatically tune a guitar. Written by Justin Reidhead and Steven Swenson
Dependencies: FFT FrequencyFinder Motor NewTextLCD PinDetect mbed strings
Diff: FrequencyFinder/FrequencyFinder.h
- Revision:
- 15:bb2bc286f44b
- Parent:
- 14:fd59e7acf2e5
--- a/FrequencyFinder/FrequencyFinder.h Thu Apr 26 22:20:53 2012 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,35 +0,0 @@ -#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