AppConfigHeaders: Move out the last of the demo/app configurations into new AppConfig.h header files.

Demos/Host/ClassDriver/AudioOutputHost/AudioOutputHost.c

@@ -128,6 +128,9 @@ void SetupHardware(void)
 
 	/* Create a stdio stream for the serial port for stdin and stdout */
 	Serial_CreateStream(NULL);
+	
+	/* Start the ADC conversion in free running mode */
+	ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | ADC_GET_CHANNEL_MASK(MIC_IN_ADC_CHANNEL));	
 }
 
 /** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and

Demos/Host/ClassDriver/AudioOutputHost/AudioOutputHost.h

@@ -51,26 +51,16 @@
 		#include <LUFA/Drivers/Board/LEDs.h>
 		#include <LUFA/Drivers/Board/Buttons.h>
 		#include <LUFA/Drivers/USB/USB.h>
+		
+		#include "Config/AppConfig.h"
 
 	/* Macros: */
-		/** ADC channel number for the microphone input. */
-		#define MIC_IN_ADC_CHANNEL        2
-
-		/** ADC channel MUX mask for the microphone input. */
-		#define MIC_IN_ADC_MUX_MASK       ADC_CHANNEL2
-
 		/** Maximum audio sample value for the microphone input. */
 		#define SAMPLE_MAX_RANGE          0xFFFF
 
 		/** Maximum ADC range for the microphone input. */
 		#define ADC_MAX_RANGE             0x3FF
 
-		/** Defined to indicate that the microphone input voltage is biased to half the ADC reference voltage. */
-		#define MICROPHONE_BIASED_TO_HALF_RAIL
-		
-		/** Defined to generate test tone when a button is pressed, rather than use a microphone for audio samples. */
-		#define USE_TEST_TONE
-
 		/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
 		#define LEDMASK_USB_NOTREADY      LEDS_LED1
 

Demos/Host/ClassDriver/AudioOutputHost/AudioOutputHost.txt

@@ -63,14 +63,19 @@
  *    <td><b>Description:</b></td>
  *   </tr>
  *   <tr>
+ *    <td>MIC_IN_ADC_CHANNEL</td>
+ *    <td>AppConfig.h</td>
+ *    <td>Sets the ADC channel used by the demo for the input audio samples from an attached microphone.</td>
+ *   </tr>
+ *   <tr>
  *    <td>USE_TEST_TONE</td>
- *    <td>AudioOutputHost.h</td>
+ *    <td>AppConfig.h</td>
  *    <td>When defined, this alters the demo to produce a square wave test tone when the first board button is pressed
  *        instead of sampling the board microphone.</td>
  *   </tr>
  *   <tr>
  *    <td>MICROPHONE_BIASED_TO_HALF_RAIL</td>
- *    <td>AudioOutputHost.h</td>
+ *    <td>AppConfig.h</td>
  *    <td>When defined, this alters the demo so that the half VCC bias of the microphone input is subtracted.</td>
  *   </tr>
  *  </table>

Demos/Host/ClassDriver/AudioOutputHost/Config/AppConfig.h

@@ -0,0 +1,51 @@
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2012.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *  \brief Application Configuration Header File
+ *
+ *  This is a header file which is be used to configure some of
+ *  the application's compile time options, as an alternative to
+ *  specifying the compile time constants supplied through a 
+ *  makefile or build system.
+ *
+ *  For information on what each token does, refer to the 
+ *  \ref Sec_Options section of the application documentation.
+ */
+
+#ifndef _APP_CONFIG_H_
+#define _APP_CONFIG_H_
+
+	#define MIC_IN_ADC_CHANNEL               2
+
+	#define MICROPHONE_BIASED_TO_HALF_RAIL
+	#define USE_TEST_TONE
+
+#endif