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

main.cpp@0:d8909ac31fbf, 2012-04-15 (annotated)

Committer:
melangeaddict
Date:
Sun Apr 15 00:20:28 2012 +0000
Revision:
0:d8909ac31fbf
Child:
1:4a82a5178506
Before pasting in from QT

Who changed what in which revision?

UserRevisionLine numberNew contents of line
melangeaddict 0:d8909ac31fbf 1 #include "mbed.h"
melangeaddict 0:d8909ac31fbf 2
melangeaddict 0:d8909ac31fbf 3 //Button interrupts
melangeaddict 0:d8909ac31fbf 4 InterruptIn start_stop_b(p5);
melangeaddict 0:d8909ac31fbf 5 InterruptIn pitch_b(p6);
melangeaddict 0:d8909ac31fbf 6 InterruptIn string_b(p7);
melangeaddict 0:d8909ac31fbf 7 InterruptIn mode_b(p8);
melangeaddict 0:d8909ac31fbf 8
melangeaddict 0:d8909ac31fbf 9 //
melangeaddict 0:d8909ac31fbf 10
melangeaddict 0:d8909ac31fbf 11 //AnalogIn
melangeaddict 0:d8909ac31fbf 12 AnalogIn guitar(p20);
melangeaddict 0:d8909ac31fbf 13
melangeaddict 0:d8909ac31fbf 14 //Motor Controller outputs
melangeaddict 0:d8909ac31fbf 15 PwmOut step(p26);
melangeaddict 0:d8909ac31fbf 16 DigitalOut direction(p27);
melangeaddict 0:d8909ac31fbf 17 DigitalOut motor_enable(p28);
melangeaddict 0:d8909ac31fbf 18
melangeaddict 0:d8909ac31fbf 19 //Local File pointer
melangeaddict 0:d8909ac31fbf 20 LocalFileSystem local("local");
melangeaddict 0:d8909ac31fbf 21
melangeaddict 0:d8909ac31fbf 22 //Global Variables
melangeaddict 0:d8909ac31fbf 23 bool begin=false;
melangeaddict 0:d8909ac31fbf 24
melangeaddict 0:d8909ac31fbf 25
melangeaddict 0:d8909ac31fbf 26 //Functions
melangeaddict 0:d8909ac31fbf 27 void device_init(){
melangeaddict 0:d8909ac31fbf 28 return;}
melangeaddict 0:d8909ac31fbf 29
melangeaddict 0:d8909ac31fbf 30 void start(){
melangeaddict 0:d8909ac31fbf 31 begin=true;
melangeaddict 0:d8909ac31fbf 32 return;}
melangeaddict 0:d8909ac31fbf 33
melangeaddict 0:d8909ac31fbf 34 void stop(){
melangeaddict 0:d8909ac31fbf 35 return;}
melangeaddict 0:d8909ac31fbf 36
melangeaddict 0:d8909ac31fbf 37 void pitch(){
melangeaddict 0:d8909ac31fbf 38 return;}
melangeaddict 0:d8909ac31fbf 39
melangeaddict 0:d8909ac31fbf 40 void string(){
melangeaddict 0:d8909ac31fbf 41 return;}
melangeaddict 0:d8909ac31fbf 42
melangeaddict 0:d8909ac31fbf 43 void mode(){
melangeaddict 0:d8909ac31fbf 44 return;}
melangeaddict 0:d8909ac31fbf 45
melangeaddict 0:d8909ac31fbf 46
melangeaddict 0:d8909ac31fbf 47
melangeaddict 0:d8909ac31fbf 48 int main() {
melangeaddict 0:d8909ac31fbf 49 int state=0, next_state=0;
melangeaddict 0:d8909ac31fbf 50
melangeaddict 0:d8909ac31fbf 51
melangeaddict 0:d8909ac31fbf 52 start_stop_b.rise(&start);//Assign what functions to call when
melangeaddict 0:d8909ac31fbf 53 pitch_b.rise(&pitch); //the interrupt occurs
melangeaddict 0:d8909ac31fbf 54 string_b.rise(&string);
melangeaddict 0:d8909ac31fbf 55 mode_b.rise(&mode);
melangeaddict 0:d8909ac31fbf 56
melangeaddict 0:d8909ac31fbf 57 device_init();
melangeaddict 0:d8909ac31fbf 58
melangeaddict 0:d8909ac31fbf 59
melangeaddict 0:d8909ac31fbf 60 while (1) {
melangeaddict 0:d8909ac31fbf 61 state=next_state;
melangeaddict 0:d8909ac31fbf 62 switch (state) {
melangeaddict 0:d8909ac31fbf 63 case(0)://Waiting for user input
melangeaddict 0:d8909ac31fbf 64 if(begin){
melangeaddict 0:d8909ac31fbf 65 next_state=1;
melangeaddict 0:d8909ac31fbf 66 }
melangeaddict 0:d8909ac31fbf 67 else
melangeaddict 0:d8909ac31fbf 68 next_state=0;
melangeaddict 0:d8909ac31fbf 69 break;
melangeaddict 0:d8909ac31fbf 70 case(1)://Take Sample
melangeaddict 0:d8909ac31fbf 71 break;
melangeaddict 0:d8909ac31fbf 72 case(2)://Take FFT
melangeaddict 0:d8909ac31fbf 73 break;
melangeaddict 0:d8909ac31fbf 74 case(3)://Analyze FFT for Peaks
melangeaddict 0:d8909ac31fbf 75 break;
melangeaddict 0:d8909ac31fbf 76 case(4)://Compare current freq with desired
melangeaddict 0:d8909ac31fbf 77 //Determine Hz per step
melangeaddict 0:d8909ac31fbf 78 break;
melangeaddict 0:d8909ac31fbf 79 case(5)://Motor Direction Calibration
melangeaddict 0:d8909ac31fbf 80 break;
melangeaddict 0:d8909ac31fbf 81 case(6)://Step Up
melangeaddict 0:d8909ac31fbf 82 break;
melangeaddict 0:d8909ac31fbf 83 case(7)://Step Down
melangeaddict 0:d8909ac31fbf 84 break;
melangeaddict 0:d8909ac31fbf 85 default:
melangeaddict 0:d8909ac31fbf 86 break;
melangeaddict 0:d8909ac31fbf 87 }
melangeaddict 0:d8909ac31fbf 88
melangeaddict 0:d8909ac31fbf 89 }
melangeaddict 0:d8909ac31fbf 90 }
melangeaddict 0:d8909ac31fbf 91
melangeaddict 0:d8909ac31fbf 92