X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/1d433d4506113c95285f633e3553ff62d4cfd05d..77a9df36a77d2523dd2bc24fa17f9f04c6c175c5:/Projects/MIDIToneGenerator/MIDIToneGenerator.c?ds=sidebyside

diff --git a/Projects/MIDIToneGenerator/MIDIToneGenerator.c b/Projects/MIDIToneGenerator/MIDIToneGenerator.c
index f9234865e..e1008a7d3 100644
--- a/Projects/MIDIToneGenerator/MIDIToneGenerator.c
+++ b/Projects/MIDIToneGenerator/MIDIToneGenerator.c
@@ -57,7 +57,7 @@ USB_ClassInfo_MIDI_Device_t Keyboard_MIDI_Interface =
 	};
 
 /** 8-bit 256 entry Sine Wave lookup table */
-const uint8_t SineTable[256] =
+static const uint8_t SineTable[256] =
 {
 	128, 131, 134, 137, 140, 143, 146, 149, 152, 156, 159, 162, 165, 168, 171, 174,
 	176, 179, 182, 185, 188, 191, 193, 196, 199, 201, 204, 206, 209, 211, 213, 216,
@@ -78,7 +78,8 @@ const uint8_t SineTable[256] =
 };
 
 /** Array of structures describing each note being generated */
-DDSNoteData NoteData[MAX_SIMULTANEOUS_NOTES];
+static DDSNoteData NoteData[MAX_SIMULTANEOUS_NOTES];
+
 
 /** Main program entry point. This routine contains the overall program flow, including initial
  *  setup of all components and the main program loop.
@@ -165,7 +166,7 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK)
 		if (NoteData[i].Pitch)
 		{
 			/* Use the top 8 bits of the table position as the sample table index */
-			uint8_t TableIndex = ((uint8_t*)&NoteData[i].TablePosition)[3];
+			uint8_t TableIndex = (NoteData[i].TablePosition >> 24);
 			
 			/* Add the new tone sample to the accumulator and increment the table position */
 			MixedSample += SineTable[TableIndex];