From 91176d854b8c9e49e88d494ba02c8e9c54fec914 Mon Sep 17 00:00:00 2001
From: Jack Humbert <jack.humb@gmail.com>
Date: Sat, 29 Aug 2015 11:54:38 -0400
Subject: speaker working, midi out

---
 protocol/lufa/lufa.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

(limited to 'protocol/lufa')

diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c
index e9f335a632..3ec476928c 100644
--- a/protocol/lufa/lufa.c
+++ b/protocol/lufa/lufa.c
@@ -51,6 +51,7 @@
 
 #include "descriptor.h"
 #include "lufa.h"
+#include <beeps.h>
 
 // #include <LUFA/Version.h>
 // #include <LUFA/Drivers/USB/USB.h>
@@ -877,11 +878,21 @@ int main(void)
 }
 
 #ifdef MIDI_ENABLE
-//echo data back
 void fallthrough_callback(MidiDevice * device,
     uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2){
-  //pass the data back to the device, using the general purpose send data
-  //function, any bytes after cnt are ignored
+  if (cnt == 3) {
+    switch (byte0 & 0xF0) {
+        case MIDI_NOTEON:
+            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(byte1 & 0x7F)/12.0), (byte2 & 0x7F) / 8);
+            break;
+        case MIDI_NOTEOFF:
+            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(byte1 & 0x7F)/12.0));
+            break;
+    }
+  }
+  if (byte0 == MIDI_STOP) {
+    stop_all_notes();
+  }
 }
 
 void cc_callback(MidiDevice * device,
-- 
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