Revision 8:96f4614a46ba, committed 2014-07-19

Comitter:

ChuckTimber

Date:

Sat Jul 19 09:43:12 2014 +0000

Parent:

7:82910f3806b3

Child:

9:09fc839da416

Commit message:

Morse with MIDI, initial version.; tick factor table.

Changed in this revision

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MIDI.lib	Sat Jul 19 09:43:12 2014 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/okini3939/code/MIDI/#0eeca7deec08

--- a/main.cpp	Sun Jul 13 10:00:28 2014 +0000
+++ b/main.cpp	Sat Jul 19 09:43:12 2014 +0000
@@ -1,6 +1,7 @@
 #include "mbed.h"
 #include "button.h"
 #include "morse.h"
+#include "MIDI.h"
 
 char* codes[] = { ".-", "-...", "-.-.", "-..", ".",
                   "..-.", "--.", "....", "..", ".---",
@@ -29,12 +30,23 @@
                   "........" // 'HH'
                 };
 
+float rate[] = { 0.50000000, 0.50544464, 0.51094857, 0.51651244, 0.52213689, 0.52782259, 0.53357020, 0.53938040, 
+                 0.54525387, 0.55119129, 0.55719337, 0.56326081, 0.56939432, 0.57559461, 0.58186243, 0.58819850,
+                 0.59460356, 0.60107837, 0.60762368, 0.61424027, 0.62092891, 0.62769038, 0.63452548, 0.64143501,
+                 0.64841978, 0.65548061, 0.66261832, 0.66983376, 0.67712777, 0.68450121, 0.69195494, 0.69948984,
+                 0.70710678, 0.71480667, 0.72259040, 0.73045890, 0.73841307, 0.74645386, 0.75458221, 0.76279908,
+                 0.77110541, 0.77950220, 0.78799042, 0.79657108, 0.80524517, 0.81401371, 0.82287774, 0.83183829,
+                 0.84089642, 0.85005318, 0.85930965, 0.86866692, 0.87812608, 0.88768825, 0.89735454, 0.90712609,
+                 0.91700404, 0.92698956, 0.93708382, 0.94728799, 0.95760328, 0.96803090, 0.97857206, 0.98922801 };
+
+
+void proc_NoteOn(byte channel, byte note, byte velocity);
+void proc_ControlChange(byte channel, byte number, byte value);
 
 
 BTN btn(dp13);
 Morse morse;
-//Morse morse(dp24, LED1);
-//Morse morse(dp24, LED1, 0.08, 1000);
+MIDI midi(dp16, dp15);
 
 int main()
 {
@@ -42,21 +54,52 @@
     int mode = 0;
     int value;
 
-    srand( 0 );
+    //Morse morse(dp24, LED1);
+    //Morse morse(dp24, LED1, 0.08, 1000);
+
+    midi.setHandleNoteOn(&proc_NoteOn);
+    midi.setHandleControlChange(&proc_ControlChange);
+ 
+    midi.begin();
+    wait(1.0);
     btn.CMD = 0;
+
     while(1) {
+        midi.read();
         if(btn.CMD) {
             mode++;
             btn.CMD = 0;
+            srand( time(NULL) );
         }
         if (mode % 2) {
-            for (i = 0; i < 27; i++)    morse.code(codes[i]);
-        } else {
             for (i = 0; i < 5; i++) {
                 value = rand();
                 morse.code(codes[value % 26]);
             }
             morse.code(codes[26]);
+        //} else {
+        //    for (i = 0; i < 27; i++)    morse.code(codes[i]);
         }
     }
 }
+
+void proc_NoteOn(byte channel, byte note, byte velocity)
+{
+    if ((36 <= note) && (note <= 36+26)) {
+        morse.code(codes[note - 36]);
+   }
+}
+
+void proc_ControlChange(byte channel, byte number, byte value)
+{
+    float ftmp;
+    
+    ftmp = 0.08; // default CW tick
+    if (number == 16) { // General Purpose Controller 1
+        if (value >= 64) {
+            morse.settick(ftmp * 2. * rate[value-64]);
+        } else {
+            morse.settick(ftmp * rate[value]);
+        }
+    }    
+}
\ No newline at end of file