Demos/Device/LowLevel/AudioInput/AudioInput.h

   1 /*
   2              LUFA Library
   3      Copyright (C) Dean Camera, 2009.
   4
   5   dean [at] fourwalledcubicle [dot] com
   6       www.fourwalledcubicle.com
   7 */
   8
   9 /*
  10   Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  11
  12   Permission to use, copy, modify, and distribute this software
  13   and its documentation for any purpose and without fee is hereby
  14   granted, provided that the above copyright notice appear in all
  15   copies and that both that the copyright notice and this
  16   permission notice and warranty disclaimer appear in supporting
  17   documentation, and that the name of the author not be used in
  18   advertising or publicity pertaining to distribution of the
  19   software without specific, written prior permission.
  20
  21   The author disclaim all warranties with regard to this
  22   software, including all implied warranties of merchantability
  23   and fitness.  In no event shall the author be liable for any
  24   special, indirect or consequential damages or any damages
  25   whatsoever resulting from loss of use, data or profits, whether
  26   in an action of contract, negligence or other tortious action,
  27   arising out of or in connection with the use or performance of
  28   this software.
  29 */
  30
  31 /** \file
  32  *
  33  *  Header file for AudioInput.c.
  34  */
  35
  36 #ifndef _AUDIO_INPUT_H_
  37 #define _AUDIO_INPUT_H_
  38
  39         /* Includes: */
  40                 #include <avr/io.h>
  41                 #include <avr/wdt.h>
  42                 #include <avr/power.h>
  43
  44                 #include "Descriptors.h"
  45
  46                 #include <LUFA/Version.h>
  47                 #include <LUFA/Drivers/USB/USB.h>
  48                 #include <LUFA/Drivers/Board/LEDs.h>
  49                 #include <LUFA/Drivers/Peripheral/ADC.h>
  50
  51         /* Macros: */
  52                 /** ADC channel number for the microphone input. */
  53                 #define MIC_IN_ADC_CHANNEL        2
  54
  55                 /** Maximum ADC sample value for the microphone input. */
  56                 #define SAMPLE_MAX_RANGE          0xFFFF
  57
  58                 /** Maximum ADC range for the microphone input. */
  59                 #define ADC_MAX_RANGE             0x3FF
  60
  61                 /** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
  62                 #define LEDMASK_USB_NOTREADY      LEDS_LED1
  63
  64                 /** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
  65                 #define LEDMASK_USB_ENUMERATING  (LEDS_LED2 | LEDS_LED3)
  66
  67                 /** LED mask for the library LED driver, to indicate that the USB interface is ready. */
  68                 #define LEDMASK_USB_READY        (LEDS_LED2 | LEDS_LED4)
  69
  70                 /** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
  71                 #define LEDMASK_USB_ERROR        (LEDS_LED1 | LEDS_LED3)
  72
  73         /* Function Prototypes: */
  74                 void SetupHardware(void);
  75                 void USB_Audio_Task(void);
  76
  77                 void EVENT_USB_Device_Connect(void);
  78                 void EVENT_USB_Device_Disconnect(void);
  79                 void EVENT_USB_Device_ConfigurationChanged(void);
  80                 void EVENT_USB_Device_UnhandledControlRequest(void);
  81
  82 #endif