very preliminary code, pins clearly havent been chosen yet!

Dependencies:   TextLCD mbed

Revision:
1:0404e9aa397f
Parent:
0:438bb4b2ba51
--- a/readknobs.cpp	Tue Jul 02 09:16:17 2013 +0000
+++ b/readknobs.cpp	Tue Jul 02 17:50:52 2013 +0000
@@ -2,32 +2,28 @@
 #include "TextLCD.h"
 #include "readknobs.h"
 
+//Declare necessary variables
 extern int tempo;
 extern int swing;
 extern int mintempo;
 extern int maxtempo;
-int k;
 
-
-TextLCD lcd(PTA1, PTA2, PTA4, PTA5, PTC8, PTC9, TextLCD::LCD20x4); // rs, e, d4-d7
-
-
-void readknobs()
+void readknobs()        //Function Definition
 {
 
 // SWING CALCULATION
 
-int a = sw.read() * 10;
+int a = sw.read() * 10;     //Make the analog read an integer from 0-10
 
-    switch (a)
+    switch (a)              //Segmented solution to each case
     {
     case 0: swing = -150;
     case 1: swing = -150;
     case 2: swing = -100;
     case 3: swing = -60;
-    case 4:
-    case 5:
-    case 6: swing = 0;
+    case 4:                 //
+    case 5:                 // Note, plenty of 0 swing to prevent accidental swing
+    case 6: swing = 0;      //
     case 7: swing = 60;
     case 8: swing = 100;
     case 9: swing = 100;
@@ -36,12 +32,21 @@
     
 // TEMPO CALCULATION
 
-    tempo = mintempo + (maxtempo-mintempo)*tmp.read_u16() / 65535;
+    tempo = mintempo + (maxtempo-mintempo)*tmp.read_u16() / 65535;  //Tempo as the analog read percentage multiplied by tempo range
     
-    tempo = (doubletime) ? 2*tempo : tempo;
+    tempo = (doubletime) ? 2*tempo : tempo;                //Double the tempo if doubletime==1
     
 // DISPLAY INFO
-char signature = (k==1) ? 3/4 : 4/4;
+char signature[]="x/4";
+if (threetime==0)
+{
+signature[0]= '4';
+}
+else
+{
+signature[0]= '3';
+}
+
 char percentage = 37;
 
 lcd.cls();