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+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, provided that the above copyright notice appear in all
+ copies and that both that the copyright notice and this
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Header file for AudioOutput.c.
+ */
+
+#ifndef _AUDIO_OUTPUT_H_
+#define _AUDIO_OUTPUT_H_
+
+ /* Includes: */
+ #include <avr/io.h>
+ #include <avr/wdt.h>
+
+ #include "Descriptors.h"
+
+ #include <LUFA/Version.h> // Library Version Information
+ #include <LUFA/Common/ButtLoadTag.h> // PROGMEM tags readable by the ButtLoad project
+ #include <LUFA/Drivers/USB/USB.h> // USB Functionality
+ #include <LUFA/Drivers/Board/LEDs.h> // LEDs driver
+ #include <LUFA/Scheduler/Scheduler.h> // Simple scheduler for task management
+
+ /* Macros: */
+ #if defined(USB_FULL_CONTROLLER) || defined(USB_MODIFIED_FULL_CONTROLLER)
+ #define TCCRxA TCCR3A
+ #define TCCRxB TCCR3B
+ #define OCRxA OCR3A
+ #define OCRxB OCR3B
+ #define WGMx0 WGM30
+ #define WGMx2 WGM32
+ #define COMxA1 COM3A1
+ #define COMxA0 COM3A0
+ #define COMxB1 COM3B1
+ #define COMxB0 COM3B0
+ #define CSx0 CS30
+ #else
+ /** Timer count register used for left channel PWM audio output (or mixed output in mono output mode) */
+ #define TCCRxA TCCR1A
+
+ /** Timer count register used for right channel PWM audio output */
+ #define TCCRxB TCCR1B
+
+ /** Timer compare register used for left channel PWM audio output (or mixed output in mono output mode) */
+ #define OCRxA OCR1A
+
+ /** Timer compare register used for right channel PWM audio output */
+ #define OCRxB OCR1B
+
+ /** Timer control register mask used to select PWM mode */
+ #define WGMx0 WGM10
+
+ /** Timer control register mask used to select PWM mode */
+ #define WGMx2 WGM12
+
+ /** Timer control register mask used to set, clear or toggle channel output pin on match */
+ #define COMxA1 COM1A1
+
+ /** Timer control register mask used to set, clear or toggle channel output pin on match */
+ #define COMxA0 COM1A0
+
+ /** Timer control register mask used to set, clear or toggle channel output pin on match */
+ #define COMxB1 COM1B1
+
+ /** Timer control register mask used to set, clear or toggle channel output pin on match */
+ #define COMxB0 COM1B0
+
+ /** Timer control register mask used to start the timer at Fcpu clock rate */
+ #define CSx0 CS10
+ #endif
+
+ /* Enums: */
+ /** Enum for the possible status codes for passing to the UpdateStatus() function. */
+ enum AudioOutput_StatusCodes_t
+ {
+ Status_USBNotReady = 0, /**< USB is not ready (disconnected from a USB host) */
+ Status_USBEnumerating = 1, /**< USB interface is enumerating */
+ Status_USBReady = 2, /**< USB interface is connected and ready */
+ };
+
+ /* Task Definitions: */
+ TASK(USB_Audio_Task);
+
+ /* Event Handlers: */
+ /** Indicates that this module will catch the USB_Connect event when thrown by the library. */
+ HANDLES_EVENT(USB_Connect);
+
+ /** Indicates that this module will catch the USB_Disconnect event when thrown by the library. */
+ HANDLES_EVENT(USB_Disconnect);
+
+ /** Indicates that this module will catch the USB_ConfigurationChanged event when thrown by the library. */
+ HANDLES_EVENT(USB_ConfigurationChanged);
+
+ /** Indicates that this module will catch the USB_UnhandledControlPacket event when thrown by the library. */
+ HANDLES_EVENT(USB_UnhandledControlPacket);
+
+ /* Function Prototypes: */
+ void UpdateStatus(uint8_t CurrentStatus);
+
+#endif