--- /dev/null
+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2010.\r
+ \r
+ dean [at] fourwalledcubicle [dot] com\r
+ www.fourwalledcubicle.com\r
+*/\r
+\r
+/*\r
+ Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, distribute, and sell this \r
+ software and its documentation for any purpose is hereby granted\r
+ without fee, provided that the above copyright notice appear in \r
+ all copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting \r
+ documentation, and that the name of the author not be used in \r
+ advertising or publicity pertaining to distribution of the \r
+ software without specific, written prior permission.\r
+\r
+ The author disclaim all warranties with regard to this\r
+ software, including all implied warranties of merchantability\r
+ and fitness. In no event shall the author be liable for any\r
+ special, indirect or consequential damages or any damages\r
+ whatsoever resulting from loss of use, data or profits, whether\r
+ in an action of contract, negligence or other tortious action,\r
+ arising out of or in connection with the use or performance of\r
+ this software.\r
+*/\r
+\r
+/** \file\r
+ *\r
+ * Header file for AudioOutput.c.\r
+ */\r
+ \r
+#ifndef _AUDIO_OUTPUT_H_\r
+#define _AUDIO_OUTPUT_H_\r
+\r
+ /* Includes: */\r
+ #include <avr/io.h>\r
+ #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
+ \r
+ #include <LUFA/Version.h>\r
+ #include <LUFA/Drivers/Board/LEDs.h>\r
+ #include <LUFA/Drivers/Peripheral/ADC.h>\r
+ #include <LUFA/Drivers/USB/USB.h>\r
+ #include <LUFA/Drivers/USB/Class/MIDI.h>\r
+\r
+ /* Macros: */\r
+ /** LED mask for the library LED driver, to indicate that the USB interface is not ready. */\r
+ #define LEDMASK_USB_NOTREADY LEDS_LED1\r
+\r
+ /** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */\r
+ #define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)\r
+\r
+ /** LED mask for the library LED driver, to indicate that the USB interface is ready. */\r
+ #define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)\r
+\r
+ /** 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 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
+ \r
+ void EVENT_USB_Device_Connect(void);\r
+ void EVENT_USB_Device_Disconnect(void);\r
+ void EVENT_USB_Device_ConfigurationChanged(void);\r
+ void EVENT_USB_Device_UnhandledControlRequest(void);\r
+ \r
+#endif\r