X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/9798440ca4f694e7cd8312a51b82e59589f1ebeb..28f1ac81176bbcd9fd13d94e61323522a5279d27:/Demos/Device/ClassDriver/AudioInput/AudioInput.c

diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.c b/Demos/Device/ClassDriver/AudioInput/AudioInput.c
index a361ea1a4..22d0173a9 100644
--- a/Demos/Device/ClassDriver/AudioInput/AudioInput.c
+++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.c
@@ -1,21 +1,21 @@
 /*
              LUFA Library
-     Copyright (C) Dean Camera, 2009.
+     Copyright (C) Dean Camera, 2010.
               
   dean [at] fourwalledcubicle [dot] com
       www.fourwalledcubicle.com
 */
 
 /*
-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
-
-  Permission to use, copy, modify, and distribute this software
-  and its documentation for any purpose and without fee is hereby
-  granted, 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
+  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
@@ -40,12 +40,15 @@
  *  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_t Microphone_Audio_Interface =
+USB_ClassInfo_Audio_Device_t Microphone_Audio_Interface =
 	{
-		.StreamingInterfaceNumber = 1,
+		.Config =
+			{
+				.StreamingInterfaceNumber = 1,
 
-		.DataINEndpointNumber     = AUDIO_STREAM_EPNUM,
-		.DataINEndpointSize       = AUDIO_STREAM_EPSIZE,
+				.DataINEndpointNumber     = AUDIO_STREAM_EPNUM,
+				.DataINEndpointSize       = AUDIO_STREAM_EPSIZE,
+			},
 	};
 
 /** Main program entry point. This routine contains the overall program flow, including initial
@@ -59,8 +62,7 @@ int main(void)
 	
 	for (;;)
 	{
-		if (Microphone_Audio_Interface.InterfaceEnabled)
-		  ProcessNextSample();
+		ProcessNextSample();
 
 		Audio_Device_USBTask(&Microphone_Audio_Interface);
 		USB_USBTask();
@@ -84,7 +86,7 @@ void SetupHardware(void)
 	ADC_SetupChannel(MIC_IN_ADC_CHANNEL);
 	
 	/* Start the ADC conversion in free running mode */
-	ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | MIC_IN_ADC_CHANNEL);
+	ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | MIC_IN_ADC_MUX_MASK);
 }
 
 /** Processes the next audio sample by reading the last ADC conversion and writing it to the audio
@@ -92,6 +94,7 @@ void SetupHardware(void)
  */
 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_IsReadyForNextSample(&Microphone_Audio_Interface))
 	{
 		TIFR0 |= (1 << OCF0A);
@@ -99,28 +102,28 @@ void ProcessNextSample(void)
 		/* Audio sample is ADC value scaled to fit the entire range */
 		int16_t AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
 		
-#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
+		#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
 		/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
-		AudioSample -= (SAMPLE_MAX_RANGE / 2));
-#endif
+		AudioSample -= (SAMPLE_MAX_RANGE / 2);
+		#endif
 
-		Audio_Device_WriteSample16(AudioSample);
+		Audio_Device_WriteSample16(&Microphone_Audio_Interface, AudioSample);
 	}
 }
 
 /** Event handler for the library USB Connection event. */
-void EVENT_USB_Connect(void)
+void EVENT_USB_Device_Connect(void)
 {
 	LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
 
 	/* Sample reload timer initialization */
-	OCR0A   = (F_CPU / AUDIO_SAMPLE_FREQUENCY) - 1;
+	OCR0A   = (F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1;
 	TCCR0A  = (1 << WGM01);  // CTC mode
-	TCCR0B  = (1 << CS00);   // Fcpu speed
+	TCCR0B  = (1 << CS01);   // Fcpu/8 speed
 }
 
 /** Event handler for the library USB Disconnection event. */
-void EVENT_USB_Disconnect(void)
+void EVENT_USB_Device_Disconnect(void)
 {
 	/* Stop the sample reload timer */
 	TCCR0B = 0;
@@ -129,7 +132,7 @@ void EVENT_USB_Disconnect(void)
 }
 
 /** Event handler for the library USB Configuration Changed event. */
-void EVENT_USB_ConfigurationChanged(void)
+void EVENT_USB_Device_ConfigurationChanged(void)
 {
 	LEDs_SetAllLEDs(LEDMASK_USB_READY);
 	
@@ -137,8 +140,8 @@ void EVENT_USB_ConfigurationChanged(void)
 	  LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
 }
 
-/** Event handler for the library USB Unhandled Control Packet event. */
-void EVENT_USB_UnhandledControlPacket(void)
+/** Event handler for the library USB Unhandled Control Request event. */
+void EVENT_USB_Device_UnhandledControlRequest(void)
 {
-	Audio_Device_ProcessControlPacket(&Microphone_Audio_Interface);
+	Audio_Device_ProcessControlRequest(&Microphone_Audio_Interface);
 }