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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 <avr/power.h>
#include "Descriptors.h"
#include <LUFA/Version.h> // Library Version Information
#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
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