1 files changed, 15 insertions, 2 deletions
diff --git a/src/midi.h b/src/midi.h
index fb85833..7ee42b7 100644
--- a/src/midi.h
+++ b/src/midi.h
@@ -30,8 +30,8 @@ typedef enum {
 } midi_note_t;
 
 typedef enum {
-    NOTE_ON             = 0x8,
-    NOTE_OFF            = 0x9,
+    NOTE_OFF            = 0x8,
+    NOTE_ON             = 0x9,
     POLYPHONIC_KEYPRESS = 0xA,
     CONTROLLER          = 0xB,
     PROGRAM_CHANGE      = 0xC,
@@ -54,6 +54,19 @@ typedef struct {
 } midi_message_t;
 
 
+// starts at C2
+const unsigned midi_notes_steps_table[] = {
+    36, 38, 40, 41, 43, 45, 47, // C2 - B2
+    
+//    48, 50, 52, 53, 55, 57, 59, // C3 - B3
+//    60, 62, 64, 65, 67, 69, 71, // C4 - B4
+    
+    // hardware bugfix
+    // TODO se a compilation macro
+    48, 50, 52, 53, 55, 57, 62, // C3 - B3
+    60, 59, 64, 65, 67, 69, 71, // C4 - B4
+};
+
 /* MIDI API */
 #ifdef MIDI_DYNAMIC_MEMORY_ALLOC