1 files changed, 201 insertions, 201 deletions
diff --git a/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c b/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c
index 0dda68c37..622e423c6 100644
--- a/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c
+++ b/Demos/Device/ClassDriver/AudioOutput/AudioOutput.c
@@ -1,201 +1,201 @@
-/*
-             LUFA Library
-     Copyright (C) Dean Camera, 2010.
-              
-  dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
-*/
-
-/*
-  Copyright 2010  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
- *
- *  Main source file for the AudioOutput demo. This file contains the main tasks of
- *  the demo and is responsible for the initial application hardware configuration.
- */
-
-#include "AudioOutput.h"
-
-/** LUFA Audio Class driver interface configuration and state information. This structure is
- *  passed to all Audio Class driver functions, so that multiple instances of the same class
- *  within a device can be differentiated from one another.
- */
-USB_ClassInfo_Audio_Device_t Speaker_Audio_Interface =
-	{
-		.Config =
-			{
-				.StreamingInterfaceNumber = 1,
-
-				.DataOUTEndpointNumber    = AUDIO_STREAM_EPNUM,
-				.DataOUTEndpointSize      = AUDIO_STREAM_EPSIZE,
-			},
-	};
-
-/** Main program entry point. This routine contains the overall program flow, including initial
- *  setup of all components and the main program loop.
- */
-int main(void)
-{
-	SetupHardware();
-
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-	sei();
-	
-	for (;;)
-	{
-		ProcessNextSample();
-
-		Audio_Device_USBTask(&Speaker_Audio_Interface);
-		USB_USBTask();
-	}
-}
-
-/** Configures the board hardware and chip peripherals for the demo's functionality. */
-void SetupHardware(void)
-{
-	/* Disable watchdog if enabled by bootloader/fuses */
-	MCUSR &= ~(1 << WDRF);
-	wdt_disable();
-
-	/* Disable clock division */
-	clock_prescale_set(clock_div_1);
-
-	/* Hardware Initialization */
-	LEDs_Init();
-	USB_Init();
-}
-
-/** Processes the next audio sample by reading the last ADC conversion and writing it to the audio
- *  interface, each time the sample reload timer period elapses to give a constant sample rate.
- */
-void ProcessNextSample(void)
-{
-	/* Check if the sample reload timer period has elapsed, and that the USB bus is ready for a new sample */
-	if ((TIFR0 & (1 << OCF0A)) && Audio_Device_IsSampleReceived(&Speaker_Audio_Interface))
-	{
-		/* Clear the sample reload timer */
-		TIFR0 |= (1 << OCF0A);
-
-		/* Retrieve the signed 16-bit left and right audio samples, convert to 8-bit */
-		int8_t  LeftSample_8Bit   = (Audio_Device_ReadSample16(&Speaker_Audio_Interface) >> 8);
-		int8_t  RightSample_8Bit  = (Audio_Device_ReadSample16(&Speaker_Audio_Interface) >> 8);
-
-		/* Mix the two channels together to produce a mono, 8-bit sample */
-		int8_t  MixedSample_8Bit  = (((int16_t)LeftSample_8Bit + (int16_t)RightSample_8Bit) >> 1);
-
-#if defined(AUDIO_OUT_MONO)
-		/* Load the sample into the PWM timer channel */
-		OCR3A = (MixedSample_8Bit ^ (1 << 7));
-#elif defined(AUDIO_OUT_STEREO)
-		/* Load the dual 8-bit samples into the PWM timer channels */
-		OCR3A = (LeftSample_8Bit  ^ (1 << 7));
-		OCR3B = (RightSample_8Bit ^ (1 << 7));
-#elif defined(AUDIO_OUT_PORTC)
-		/* Load the 8-bit mixed sample into PORTC */
-		PORTC = MixedSample_8Bit;
-#endif
-
-		uint8_t LEDMask = LEDS_NO_LEDS;
-
-		/* Turn on LEDs as the sample amplitude increases */
-		if (MixedSample_8Bit > 16)
-		  LEDMask = (LEDS_LED1 | LEDS_LED2 | LEDS_LED3 | LEDS_LED4);
-		else if (MixedSample_8Bit > 8)
-		  LEDMask = (LEDS_LED1 | LEDS_LED2 | LEDS_LED3);
-		else if (MixedSample_8Bit > 4)
-		  LEDMask = (LEDS_LED1 | LEDS_LED2);
-		else if (MixedSample_8Bit > 2)
-		  LEDMask = (LEDS_LED1);
-
-		LEDs_SetAllLEDs(LEDMask);
-	}
-}
-
-/** Event handler for the library USB Connection event. */
-void EVENT_USB_Device_Connect(void)
-{
-	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
-	
-	/* Sample reload timer initialization */
-	OCR0A   = (F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1;
-	TCCR0A  = (1 << WGM01);  // CTC mode
-	TCCR0B  = (1 << CS01);   // Fcpu/8 speed
-
-#if defined(AUDIO_OUT_MONO)
-	/* Set speaker as output */
-	DDRC   |= (1 << 6);
-#elif defined(AUDIO_OUT_STEREO)
-	/* Set speakers as outputs */
-	DDRC   |= ((1 << 6) | (1 << 5));
-#elif defined(AUDIO_OUT_PORTC)
-	/* Set PORTC as outputs */
-	DDRC   |= 0xFF;
-#endif
-
-#if (defined(AUDIO_OUT_MONO) || defined(AUDIO_OUT_STEREO))
-	/* PWM speaker timer initialization */
-	TCCR3A  = ((1 << WGM30) | (1 << COM3A1) | (1 << COM3A0)
-	        | (1 << COM3B1) | (1 << COM3B0)); // Set on match, clear on TOP
-	TCCR3B  = ((1 << WGM32) | (1 << CS30));  // Fast 8-Bit PWM, Fcpu speed
-#endif
-}
-
-/** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Device_Disconnect(void)
-{
-	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
-
-	/* Stop the sample reload timer */
-	TCCR0B = 0;
-
-#if (defined(AUDIO_OUT_MONO) || defined(AUDIO_OUT_STEREO))
-	/* Stop the PWM generation timer */
-	TCCR3B = 0;
-#endif
-
-#if defined(AUDIO_OUT_MONO)
-	/* Set speaker as input to reduce current draw */
-	DDRC   &= ~(1 << 6);
-#elif defined(AUDIO_OUT_STEREO)
-	/* Set speakers as inputs to reduce current draw */
-	DDRC   &= ~((1 << 6) | (1 << 5));
-#elif defined(AUDIO_OUT_PORTC)
-	/* Set PORTC low */
-	PORTC  = 0x00;
-#endif
-}
-
-/** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_Device_ConfigurationChanged(void)
-{
-	LEDs_SetAllLEDs(LEDMASK_USB_READY);
-	
-	if (!(Audio_Device_ConfigureEndpoints(&Speaker_Audio_Interface)))
-	  LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
-}
-
-/** Event handler for the library USB Unhandled Control Request event. */
-void EVENT_USB_Device_UnhandledControlRequest(void)
-{
-	Audio_Device_ProcessControlRequest(&Speaker_Audio_Interface);
-}
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2010.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2010  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
+ *
+ *  Main source file for the AudioOutput demo. This file contains the main tasks of
+ *  the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "AudioOutput.h"
+
+/** LUFA Audio Class driver interface configuration and state information. This structure is
+ *  passed to all Audio Class driver functions, so that multiple instances of the same class
+ *  within a device can be differentiated from one another.
+ */
+USB_ClassInfo_Audio_Device_t Speaker_Audio_Interface =
+	{
+		.Config =
+			{
+				.StreamingInterfaceNumber = 1,
+
+				.DataOUTEndpointNumber    = AUDIO_STREAM_EPNUM,
+				.DataOUTEndpointSize      = AUDIO_STREAM_EPSIZE,
+			},
+	};
+
+/** Main program entry point. This routine contains the overall program flow, including initial
+ *  setup of all components and the main program loop.
+ */
+int main(void)
+{
+	SetupHardware();
+
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+	sei();
+	
+	for (;;)
+	{
+		ProcessNextSample();
+
+		Audio_Device_USBTask(&Speaker_Audio_Interface);
+		USB_USBTask();
+	}
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+	/* Disable watchdog if enabled by bootloader/fuses */
+	MCUSR &= ~(1 << WDRF);
+	wdt_disable();
+
+	/* Disable clock division */
+	clock_prescale_set(clock_div_1);
+
+	/* Hardware Initialization */
+	LEDs_Init();
+	USB_Init();
+}
+
+/** Processes the next audio sample by reading the last ADC conversion and writing it to the audio
+ *  interface, each time the sample reload timer period elapses to give a constant sample rate.
+ */
+void ProcessNextSample(void)
+{
+	/* Check if the sample reload timer period has elapsed, and that the USB bus is ready for a new sample */
+	if ((TIFR0 & (1 << OCF0A)) && Audio_Device_IsSampleReceived(&Speaker_Audio_Interface))
+	{
+		/* Clear the sample reload timer */
+		TIFR0 |= (1 << OCF0A);
+
+		/* Retrieve the signed 16-bit left and right audio samples, convert to 8-bit */
+		int8_t  LeftSample_8Bit   = (Audio_Device_ReadSample16(&Speaker_Audio_Interface) >> 8);
+		int8_t  RightSample_8Bit  = (Audio_Device_ReadSample16(&Speaker_Audio_Interface) >> 8);
+
+		/* Mix the two channels together to produce a mono, 8-bit sample */
+		int8_t  MixedSample_8Bit  = (((int16_t)LeftSample_8Bit + (int16_t)RightSample_8Bit) >> 1);
+
+#if defined(AUDIO_OUT_MONO)
+		/* Load the sample into the PWM timer channel */
+		OCR3A = (MixedSample_8Bit ^ (1 << 7));
+#elif defined(AUDIO_OUT_STEREO)
+		/* Load the dual 8-bit samples into the PWM timer channels */
+		OCR3A = (LeftSample_8Bit  ^ (1 << 7));
+		OCR3B = (RightSample_8Bit ^ (1 << 7));
+#elif defined(AUDIO_OUT_PORTC)
+		/* Load the 8-bit mixed sample into PORTC */
+		PORTC = MixedSample_8Bit;
+#endif
+
+		uint8_t LEDMask = LEDS_NO_LEDS;
+
+		/* Turn on LEDs as the sample amplitude increases */
+		if (MixedSample_8Bit > 16)
+		  LEDMask = (LEDS_LED1 | LEDS_LED2 | LEDS_LED3 | LEDS_LED4);
+		else if (MixedSample_8Bit > 8)
+		  LEDMask = (LEDS_LED1 | LEDS_LED2 | LEDS_LED3);
+		else if (MixedSample_8Bit > 4)
+		  LEDMask = (LEDS_LED1 | LEDS_LED2);
+		else if (MixedSample_8Bit > 2)
+		  LEDMask = (LEDS_LED1);
+
+		LEDs_SetAllLEDs(LEDMask);
+	}
+}
+
+/** Event handler for the library USB Connection event. */
+void EVENT_USB_Device_Connect(void)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+	
+	/* Sample reload timer initialization */
+	OCR0A   = (F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1;
+	TCCR0A  = (1 << WGM01);  // CTC mode
+	TCCR0B  = (1 << CS01);   // Fcpu/8 speed
+
+#if defined(AUDIO_OUT_MONO)
+	/* Set speaker as output */
+	DDRC   |= (1 << 6);
+#elif defined(AUDIO_OUT_STEREO)
+	/* Set speakers as outputs */
+	DDRC   |= ((1 << 6) | (1 << 5));
+#elif defined(AUDIO_OUT_PORTC)
+	/* Set PORTC as outputs */
+	DDRC   |= 0xFF;
+#endif
+
+#if (defined(AUDIO_OUT_MONO) || defined(AUDIO_OUT_STEREO))
+	/* PWM speaker timer initialization */
+	TCCR3A  = ((1 << WGM30) | (1 << COM3A1) | (1 << COM3A0)
+	        | (1 << COM3B1) | (1 << COM3B0)); // Set on match, clear on TOP
+	TCCR3B  = ((1 << WGM32) | (1 << CS30));  // Fast 8-Bit PWM, Fcpu speed
+#endif
+}
+
+/** Event handler for the library USB Disconnection event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+
+	/* Stop the sample reload timer */
+	TCCR0B = 0;
+
+#if (defined(AUDIO_OUT_MONO) || defined(AUDIO_OUT_STEREO))
+	/* Stop the PWM generation timer */
+	TCCR3B = 0;
+#endif
+
+#if defined(AUDIO_OUT_MONO)
+	/* Set speaker as input to reduce current draw */
+	DDRC   &= ~(1 << 6);
+#elif defined(AUDIO_OUT_STEREO)
+	/* Set speakers as inputs to reduce current draw */
+	DDRC   &= ~((1 << 6) | (1 << 5));
+#elif defined(AUDIO_OUT_PORTC)
+	/* Set PORTC low */
+	PORTC  = 0x00;
+#endif
+}
+
+/** Event handler for the library USB Configuration Changed event. */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+	LEDs_SetAllLEDs(LEDMASK_USB_READY);
+	
+	if (!(Audio_Device_ConfigureEndpoints(&Speaker_Audio_Interface)))
+	  LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
+{
+	Audio_Device_ProcessControlRequest(&Speaker_Audio_Interface);
+}