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