+++ /dev/null
-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * Header file for AudioOutput.c.\r
- */\r
- \r
-#ifndef _AUDIO_OUTPUT_H_\r
-#define _AUDIO_OUTPUT_H_\r
-\r
- /* Includes: */\r
- #include <avr/io.h>\r
- #include <avr/wdt.h>\r
- #include <avr/power.h>\r
- #include <avr/pgmspace.h>\r
- #include <avr/interrupt.h>\r
- #include <stdbool.h>\r
-\r
- #include "Descriptors.h"\r
- \r
- #include <LUFA/Version.h>\r
- #include <LUFA/Drivers/Board/LEDs.h>\r
- #include <LUFA/Drivers/Peripheral/ADC.h>\r
- #include <LUFA/Drivers/USB/USB.h>\r
- #include <LUFA/Drivers/USB/Class/MIDI.h>\r
-\r
- /* Macros: */\r
- /** LED mask for the library LED driver, to indicate that the USB interface is not ready. */\r
- #define LEDMASK_USB_NOTREADY LEDS_LED1\r
-\r
- /** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */\r
- #define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)\r
-\r
- /** LED mask for the library LED driver, to indicate that the USB interface is ready. */\r
- #define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)\r
-\r
- /** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */\r
- #define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)\r
- \r
- /** Scale factor used to convert the floating point frequencies and ratios into a fixed point number */\r
- #define SCALE_FACTOR 65536\r
- \r
- /** Base (lowest) allowable MIDI note frequency */\r
- #define BASE_FREQUENCY 27.5\r
- \r
- /** Ratio between each note in an octave */\r
- #define NOTE_OCTIVE_RATIO 1.05946\r
- \r
- /** Lowest valid MIDI pitch index */\r
- #define BASE_PITCH_INDEX 21\r
- \r
- /** Maximum number of MIDI notes that can be played simultaneously */\r
- #define MAX_SIMULTANEOUS_NOTES 3\r
- \r
- /** Number of samples in the virtual sample table (can be expanded to lower maximum frequency, but allow for\r
- * more simultaneous notes due to the reduced amount of processing time needed when the samples are spaced out)\r
- */\r
- #define VIRTUAL_SAMPLE_TABLE_SIZE 512\r
- \r
- /** Sample table increments per period for the base MIDI note frequency */\r
- #define BASE_INCREMENT (((F_CPU / VIRTUAL_SAMPLE_TABLE_SIZE / 2) / BASE_FREQUENCY))\r
-\r
- /* Type Defines: */\r
- typedef struct\r
- {\r
- uint8_t LRUAge;\r
- uint8_t Pitch;\r
- uint32_t TableIncrement;\r
- uint32_t TablePosition;\r
- } DDSNoteData; \r
-\r
- /* Function Prototypes: */\r
- void SetupHardware(void);\r
- \r
- void EVENT_USB_Device_Connect(void);\r
- void EVENT_USB_Device_Disconnect(void);\r
- void EVENT_USB_Device_ConfigurationChanged(void);\r
- void EVENT_USB_Device_UnhandledControlRequest(void);\r
- \r
-#endif\r
projects / pub / lufa.git / blobdiff