99 lines
3.8 KiB
C
99 lines
3.8 KiB
C
/*
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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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#include <avr/power.h>
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#include <stdbool.h>
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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/Joystick.h> // Joystick driver
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#include <LUFA/Drivers/Board/LEDs.h> // LEDs driver
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#include <LUFA/Drivers/Board/HWB.h> // Hardware Button driver
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#include <LUFA/Scheduler/Scheduler.h> // Simple scheduler for task management
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/* Macros: */
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/** MIDI command for a note on (activation) event */
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#define MIDI_COMMAND_NOTE_ON 0x90
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/** MIDI command for a note off (deactivation) event */
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#define MIDI_COMMAND_NOTE_OFF 0x80
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/** Standard key press velocity value used for all note events, as no pressure sensor is mounted */
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#define MIDI_STANDARD_VELOCITY 64
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/** Convenience macro. MIDI channels are numbered from 1-10 (natural numbers) however the logical channel
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* addresses are zero-indexed. This converts a natural MIDI channel number into the logical channel address.
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*
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* \param channel MIDI channel number to address
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*/
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#define MIDI_CHANNEL(channel) (channel - 1)
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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 MIDI_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_MIDI_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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/* Function Prototypes: */
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void SendMIDINoteChange(const uint8_t Pitch, const bool OnOff,
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const uint8_t CableID, const uint8_t Channel);
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void UpdateStatus(uint8_t CurrentStatus);
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#endif
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