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103 lines
3.8 KiB
103 lines
3.8 KiB
/*
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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, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all 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>
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/Board/Joystick.h>
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#include <LUFA/Drivers/Board/LEDs.h>
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#include <LUFA/Drivers/Board/Buttons.h>
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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[in] channel MIDI channel number to address
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*/
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#define MIDI_CHANNEL(channel) ((channel) - 1)
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/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
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#define LEDMASK_USB_NOTREADY LEDS_LED1
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/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
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#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
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/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
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#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
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/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
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#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
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/* Type Defines: */
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/** Type define for a USB MIDI event packet, used to encapsulate sent and received MIDI messages from a USB MIDI interface. */
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typedef struct
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{
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unsigned char Command : 4; /**< MIDI command being sent or received in the event packet */
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unsigned char CableNumber : 4; /**< Virtual cable number of the event being sent or received in the given MIDI interface */
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uint8_t Data1; /**< First byte of data in the MIDI event */
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uint8_t Data2; /**< Second byte of data in the MIDI event */
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uint8_t Data3; /**< Third byte of data in the MIDI event */
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} USB_MIDI_EventPacket_t;
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/* Function Prototypes: */
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void SetupHardware(void);
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void MIDI_Task(void);
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void EVENT_USB_Device_Connect(void);
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void EVENT_USB_Device_Disconnect(void);
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void EVENT_USB_Device_ConfigurationChanged(void);
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#endif
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