Readd incomplete MIDIToneGenerator project, which can now correctly generate up to...

[pub/lufa.git] / Projects / Incomplete / MIDIToneGenerator / MIDIToneGenerator.h

diff --git a/Projects/Incomplete/MIDIToneGenerator/MIDIToneGenerator.h b/Projects/Incomplete/MIDIToneGenerator/MIDIToneGenerator.h
index 6d6931c..c064437 100644 (file)
--- a/Projects/Incomplete/MIDIToneGenerator/MIDIToneGenerator.h
+++ b/Projects/Incomplete/MIDIToneGenerator/MIDIToneGenerator.h
@@ -41,6 +41,7 @@
                #include <avr/wdt.h>\r
                #include <avr/power.h>\r
                #include <avr/pgmspace.h>\r
+               #include <avr/interrupt.h>\r
                #include <stdbool.h>\r
 \r
                #include "Descriptors.h"\r
@@ -64,7 +65,13 @@
                /** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */\r
                #define LEDMASK_USB_ERROR        (LEDS_LED1 | LEDS_LED3)\r
                \r
-               #define AUDIO_SAMPLE_FREQUENCY   24000\r
+               #define SCALE_FACTOR             65536\r
+               #define BASE_FREQUENCY           27.5\r
+               #define NOTE_OCTIVE_RATIO        1.05946\r
+               #define BASE_PITCH_INDEX         21\r
+               #define MAX_SIMULTANEOUS_NOTES   3\r
+               \r
+               #define BASE_INCREMENT           (((F_CPU / 255 / 2) / BASE_FREQUENCY))\r
                \r
        /* Function Prototypes: */\r
                void SetupHardware(void);\r