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

Dependencies:   FFT FrequencyFinder Motor NewTextLCD PinDetect mbed strings

Files at this revision

API Documentation at this revision

Comitter:
melangeaddict
Date:
Sun Apr 15 00:20:28 2012 +0000
Child:
1:4a82a5178506
Commit message:
Before pasting in from QT

Changed in this revision

FFT.lib Show annotated file Show diff for this revision Revisions of this file
main.cpp Show annotated file Show diff for this revision Revisions of this file
mbed.lib Show annotated file Show diff for this revision Revisions of this file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/FFT.lib	Sun Apr 15 00:20:28 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/Suky/libraries/FFT/lmedn0
\ No newline at end of file
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Apr 15 00:20:28 2012 +0000
@@ -0,0 +1,92 @@
+#include "mbed.h"
+
+//Button interrupts
+InterruptIn start_stop_b(p5);
+InterruptIn pitch_b(p6);
+InterruptIn string_b(p7);
+InterruptIn mode_b(p8);
+
+//
+
+//AnalogIn
+AnalogIn guitar(p20);
+
+//Motor Controller outputs
+PwmOut step(p26);
+DigitalOut direction(p27);
+DigitalOut motor_enable(p28);
+
+//Local File pointer
+LocalFileSystem local("local");
+
+//Global Variables
+bool begin=false;
+
+
+//Functions
+void device_init(){
+return;}
+
+void start(){
+begin=true;
+return;}
+
+void stop(){
+return;}
+
+void pitch(){
+return;}
+
+void string(){
+return;}
+
+void mode(){
+return;}
+
+
+
+int main() {
+    int state=0, next_state=0;
+
+
+    start_stop_b.rise(&start);//Assign what functions to call when
+    pitch_b.rise(&pitch);     //the interrupt occurs
+    string_b.rise(&string);
+    mode_b.rise(&mode);
+    
+    device_init();
+
+   
+    while (1) {
+        state=next_state;
+        switch (state) {
+            case(0)://Waiting for user input
+            if(begin){
+                next_state=1;
+            }
+            else
+                next_state=0;
+                break;
+            case(1)://Take Sample
+                break;
+            case(2)://Take FFT
+                break;
+            case(3)://Analyze FFT for Peaks
+                break;
+            case(4)://Compare current freq with desired
+            //Determine Hz per step
+                break;
+            case(5)://Motor Direction Calibration
+                break;
+            case(6)://Step Up
+                break;
+            case(7)://Step Down
+                break;
+            default:
+                break;
+        }
+
+    }
+}
+
+
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.lib	Sun Apr 15 00:20:28 2012 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/projects/libraries/svn/mbed/trunk@43
\ No newline at end of file