Add svn:eol-style property to source files, so that the line endings are correctly converted to the target system's native end of line style.
This commit is contained in:
Dean Camera
parent
e331b531c6
commit
071e02c6b6
839 changed files with 274562 additions and 274562 deletions
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@ -1,148 +1,148 @@
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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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
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||||
in an action of contract, negligence or other tortious action,
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||||
arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Main source file for the AudioInput demo. This file contains the main tasks of
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* the demo and is responsible for the initial application hardware configuration.
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*/
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#include "AudioInput.h"
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/** LUFA Audio Class driver interface configuration and state information. This structure is
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* passed to all Audio Class driver functions, so that multiple instances of the same class
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* within a device can be differentiated from one another.
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*/
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USB_ClassInfo_Audio_Device_t Microphone_Audio_Interface =
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{
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.Config =
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{
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.StreamingInterfaceNumber = 1,
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.DataINEndpointNumber = AUDIO_STREAM_EPNUM,
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.DataINEndpointSize = AUDIO_STREAM_EPSIZE,
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},
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};
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/** Main program entry point. This routine contains the overall program flow, including initial
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* setup of all components and the main program loop.
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*/
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int main(void)
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{
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SetupHardware();
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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sei();
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for (;;)
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{
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ProcessNextSample();
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Audio_Device_USBTask(&Microphone_Audio_Interface);
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USB_USBTask();
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}
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}
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
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void SetupHardware(void)
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{
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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/* Hardware Initialization */
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LEDs_Init();
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USB_Init();
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ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32);
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ADC_SetupChannel(MIC_IN_ADC_CHANNEL);
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/* Start the ADC conversion in free running mode */
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ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | MIC_IN_ADC_MUX_MASK);
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}
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/** Processes the next audio sample by reading the last ADC conversion and writing it to the audio
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* interface, each time the sample reload timer period elapses to give a constant sample rate.
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*/
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void ProcessNextSample(void)
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{
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/* Check if the sample reload timer period has elapsed, and that the USB bus is ready for a new sample */
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if ((TIFR0 & (1 << OCF0A)) && Audio_Device_IsReadyForNextSample(&Microphone_Audio_Interface))
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{
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TIFR0 |= (1 << OCF0A);
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/* Audio sample is ADC value scaled to fit the entire range */
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int16_t AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
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#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
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/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
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AudioSample -= (SAMPLE_MAX_RANGE / 2);
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#endif
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Audio_Device_WriteSample16(&Microphone_Audio_Interface, AudioSample);
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}
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}
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/** Event handler for the library USB Connection event. */
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void EVENT_USB_Device_Connect(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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/* Sample reload timer initialization */
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OCR0A = (F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1;
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TCCR0A = (1 << WGM01); // CTC mode
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TCCR0B = (1 << CS01); // Fcpu/8 speed
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}
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/** Event handler for the library USB Disconnection event. */
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void EVENT_USB_Device_Disconnect(void)
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{
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/* Stop the sample reload timer */
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TCCR0B = 0;
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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}
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/** Event handler for the library USB Configuration Changed event. */
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void EVENT_USB_Device_ConfigurationChanged(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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if (!(Audio_Device_ConfigureEndpoints(&Microphone_Audio_Interface)))
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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}
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/** Event handler for the library USB Unhandled Control Request event. */
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void EVENT_USB_Device_UnhandledControlRequest(void)
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{
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Audio_Device_ProcessControlRequest(&Microphone_Audio_Interface);
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}
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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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
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||||
in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Main source file for the AudioInput demo. This file contains the main tasks of
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* the demo and is responsible for the initial application hardware configuration.
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*/
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#include "AudioInput.h"
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/** LUFA Audio Class driver interface configuration and state information. This structure is
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* passed to all Audio Class driver functions, so that multiple instances of the same class
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* within a device can be differentiated from one another.
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*/
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USB_ClassInfo_Audio_Device_t Microphone_Audio_Interface =
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{
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.Config =
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{
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.StreamingInterfaceNumber = 1,
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.DataINEndpointNumber = AUDIO_STREAM_EPNUM,
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.DataINEndpointSize = AUDIO_STREAM_EPSIZE,
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},
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};
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/** Main program entry point. This routine contains the overall program flow, including initial
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* setup of all components and the main program loop.
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*/
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int main(void)
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{
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SetupHardware();
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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sei();
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for (;;)
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{
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ProcessNextSample();
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Audio_Device_USBTask(&Microphone_Audio_Interface);
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USB_USBTask();
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}
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}
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
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void SetupHardware(void)
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{
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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/* Hardware Initialization */
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LEDs_Init();
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USB_Init();
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ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32);
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ADC_SetupChannel(MIC_IN_ADC_CHANNEL);
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/* Start the ADC conversion in free running mode */
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ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | MIC_IN_ADC_MUX_MASK);
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}
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/** Processes the next audio sample by reading the last ADC conversion and writing it to the audio
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* interface, each time the sample reload timer period elapses to give a constant sample rate.
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*/
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void ProcessNextSample(void)
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{
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/* Check if the sample reload timer period has elapsed, and that the USB bus is ready for a new sample */
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if ((TIFR0 & (1 << OCF0A)) && Audio_Device_IsReadyForNextSample(&Microphone_Audio_Interface))
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{
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TIFR0 |= (1 << OCF0A);
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/* Audio sample is ADC value scaled to fit the entire range */
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int16_t AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult());
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#if defined(MICROPHONE_BIASED_TO_HALF_RAIL)
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/* Microphone is biased to half rail voltage, subtract the bias from the sample value */
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AudioSample -= (SAMPLE_MAX_RANGE / 2);
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#endif
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Audio_Device_WriteSample16(&Microphone_Audio_Interface, AudioSample);
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}
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}
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/** Event handler for the library USB Connection event. */
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void EVENT_USB_Device_Connect(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
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/* Sample reload timer initialization */
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OCR0A = (F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1;
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TCCR0A = (1 << WGM01); // CTC mode
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TCCR0B = (1 << CS01); // Fcpu/8 speed
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}
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/** Event handler for the library USB Disconnection event. */
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void EVENT_USB_Device_Disconnect(void)
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{
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/* Stop the sample reload timer */
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TCCR0B = 0;
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LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
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}
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/** Event handler for the library USB Configuration Changed event. */
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void EVENT_USB_Device_ConfigurationChanged(void)
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{
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LEDs_SetAllLEDs(LEDMASK_USB_READY);
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if (!(Audio_Device_ConfigureEndpoints(&Microphone_Audio_Interface)))
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LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
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}
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/** Event handler for the library USB Unhandled Control Request event. */
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void EVENT_USB_Device_UnhandledControlRequest(void)
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{
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Audio_Device_ProcessControlRequest(&Microphone_Audio_Interface);
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}
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@ -1,87 +1,87 @@
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2010.
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dean [at] fourwalledcubicle [dot] com
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www.fourwalledcubicle.com
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*/
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/*
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Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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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.
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||||
*/
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/** \file
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*
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* Header file for AudioInput.c.
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*/
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#ifndef _AUDIO_INPUT_H_
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#define _AUDIO_INPUT_H_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/wdt.h>
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#include <avr/power.h>
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#include <avr/interrupt.h>
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#include <LUFA/Version.h>
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#include <LUFA/Drivers/Board/LEDs.h>
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#include <LUFA/Drivers/Peripheral/ADC.h>
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/USB/Class/Audio.h>
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#include "Descriptors.h"
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/* Macros: */
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/** ADC channel number for the microphone input. */
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#define MIC_IN_ADC_CHANNEL 2
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/** ADC channel MUX mask for the microphone input. */
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#define MIC_IN_ADC_MUX_MASK ADC_CHANNEL2
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/** Maximum ADC sample value for the microphone input. */
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#define SAMPLE_MAX_RANGE 0xFFFF
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/** Maximum ADC range for the microphone input. */
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#define ADC_MAX_RANGE 0x3FF
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/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
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#define LEDMASK_USB_NOTREADY LEDS_LED1
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/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
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#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
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/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
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#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
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/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
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#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
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/* Function Prototypes: */
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void SetupHardware(void);
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void ProcessNextSample(void);
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void EVENT_USB_Device_Connect(void);
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void EVENT_USB_Device_Disconnect(void);
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void EVENT_USB_Device_ConfigurationChanged(void);
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void EVENT_USB_Device_UnhandledControlRequest(void);
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#endif
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/*
|
||||
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
|
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*
|
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* Header file for AudioInput.c.
|
||||
*/
|
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|
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#ifndef _AUDIO_INPUT_H_
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#define _AUDIO_INPUT_H_
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/* Includes: */
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#include <avr/io.h>
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#include <avr/wdt.h>
|
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#include <avr/power.h>
|
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#include <avr/interrupt.h>
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|
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#include <LUFA/Version.h>
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#include <LUFA/Drivers/Board/LEDs.h>
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#include <LUFA/Drivers/Peripheral/ADC.h>
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#include <LUFA/Drivers/USB/USB.h>
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#include <LUFA/Drivers/USB/Class/Audio.h>
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#include "Descriptors.h"
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/* Macros: */
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/** ADC channel number for the microphone input. */
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#define MIC_IN_ADC_CHANNEL 2
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/** ADC channel MUX mask for the microphone input. */
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#define MIC_IN_ADC_MUX_MASK ADC_CHANNEL2
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/** Maximum ADC sample value for the microphone input. */
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#define SAMPLE_MAX_RANGE 0xFFFF
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/** Maximum ADC range for the microphone input. */
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#define ADC_MAX_RANGE 0x3FF
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/** LED mask for the library LED driver, to indicate that the USB interface is not ready. */
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#define LEDMASK_USB_NOTREADY LEDS_LED1
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/** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */
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#define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3)
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/** LED mask for the library LED driver, to indicate that the USB interface is ready. */
|
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#define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4)
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|
||||
/** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */
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#define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3)
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||||
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/* Function Prototypes: */
|
||||
void SetupHardware(void);
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||||
void ProcessNextSample(void);
|
||||
|
||||
void EVENT_USB_Device_Connect(void);
|
||||
void EVENT_USB_Device_Disconnect(void);
|
||||
void EVENT_USB_Device_ConfigurationChanged(void);
|
||||
void EVENT_USB_Device_UnhandledControlRequest(void);
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||||
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||||
#endif
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||||
|
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@ -1,83 +1,83 @@
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/** \file
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||||
*
|
||||
* This file contains special DoxyGen information for the generation of the main page and other special
|
||||
* documentation pages. It is not a project source file.
|
||||
*/
|
||||
|
||||
/** \mainpage Audio Input Device Demo
|
||||
*
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||||
* \section SSec_Compat Demo Compatibility:
|
||||
*
|
||||
* The following list indicates what microcontrollers are compatible with this demo.
|
||||
*
|
||||
* - Series 7 USB AVRs
|
||||
* - Series 6 USB AVRs
|
||||
* - Series 4 USB AVRs
|
||||
*
|
||||
* \section SSec_Info USB Information:
|
||||
*
|
||||
* The following table gives a rundown of the USB utilization of this demo.
|
||||
*
|
||||
* <table>
|
||||
* <tr>
|
||||
* <td><b>USB Mode:</b></td>
|
||||
* <td>Device</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>USB Class:</b></td>
|
||||
* <td>Audio Class</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>USB Subclass:</b></td>
|
||||
* <td>Standard Audio Device</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>Relevant Standards:</b></td>
|
||||
* <td>USBIF Audio Class Specification \n
|
||||
* USBIF Audio Class Terminal Types Specification \n
|
||||
* USBIF Audio Data Formats Specification</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>Usable Speeds:</b></td>
|
||||
* <td>Full Speed Mode</td>
|
||||
* </tr>
|
||||
* </table>
|
||||
*
|
||||
* \section SSec_Description Project Description:
|
||||
*
|
||||
* Audio demonstration application. This gives a simple reference
|
||||
* application for implementing a USB Audio Input device using the
|
||||
* basic USB Audio drivers in all modern OSes (i.e. no special drivers
|
||||
* required).
|
||||
*
|
||||
* On start-up the system will automatically enumerate and function
|
||||
* as a USB microphone. Incoming audio from the ADC channel 1 will
|
||||
* be sampled and sent to the host computer.
|
||||
*
|
||||
* To use, connect a microphone to the ADC channel 1.
|
||||
*
|
||||
* Under Windows, if a driver request dialogue pops up, select the option
|
||||
* to automatically install the appropriate drivers.
|
||||
*
|
||||
* \section SSec_Options Project Options
|
||||
*
|
||||
* The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
|
||||
*
|
||||
* <table>
|
||||
* <tr>
|
||||
* <td><b>Define Name:</b></td>
|
||||
* <td><b>Location:</b></td>
|
||||
* <td><b>Description:</b></td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td>MICROPHONE_BIASED_TO_HALF_RAIL</td>
|
||||
* <td>Makefile CDEFS</td>
|
||||
* <td>When defined, this alters the demo so that the half VCC bias of the microphone input is subtracted.</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td>AUDIO_SAMPLE_FREQUENCY</td>
|
||||
* <td>Descriptors.h</td>
|
||||
* <td>Gives the audio sample rate per channel for the audio stream, in Hz.</td>
|
||||
* </tr>
|
||||
* </table>
|
||||
*/
|
||||
/** \file
|
||||
*
|
||||
* This file contains special DoxyGen information for the generation of the main page and other special
|
||||
* documentation pages. It is not a project source file.
|
||||
*/
|
||||
|
||||
/** \mainpage Audio Input Device Demo
|
||||
*
|
||||
* \section SSec_Compat Demo Compatibility:
|
||||
*
|
||||
* The following list indicates what microcontrollers are compatible with this demo.
|
||||
*
|
||||
* - Series 7 USB AVRs
|
||||
* - Series 6 USB AVRs
|
||||
* - Series 4 USB AVRs
|
||||
*
|
||||
* \section SSec_Info USB Information:
|
||||
*
|
||||
* The following table gives a rundown of the USB utilization of this demo.
|
||||
*
|
||||
* <table>
|
||||
* <tr>
|
||||
* <td><b>USB Mode:</b></td>
|
||||
* <td>Device</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>USB Class:</b></td>
|
||||
* <td>Audio Class</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>USB Subclass:</b></td>
|
||||
* <td>Standard Audio Device</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>Relevant Standards:</b></td>
|
||||
* <td>USBIF Audio Class Specification \n
|
||||
* USBIF Audio Class Terminal Types Specification \n
|
||||
* USBIF Audio Data Formats Specification</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td><b>Usable Speeds:</b></td>
|
||||
* <td>Full Speed Mode</td>
|
||||
* </tr>
|
||||
* </table>
|
||||
*
|
||||
* \section SSec_Description Project Description:
|
||||
*
|
||||
* Audio demonstration application. This gives a simple reference
|
||||
* application for implementing a USB Audio Input device using the
|
||||
* basic USB Audio drivers in all modern OSes (i.e. no special drivers
|
||||
* required).
|
||||
*
|
||||
* On start-up the system will automatically enumerate and function
|
||||
* as a USB microphone. Incoming audio from the ADC channel 1 will
|
||||
* be sampled and sent to the host computer.
|
||||
*
|
||||
* To use, connect a microphone to the ADC channel 1.
|
||||
*
|
||||
* Under Windows, if a driver request dialogue pops up, select the option
|
||||
* to automatically install the appropriate drivers.
|
||||
*
|
||||
* \section SSec_Options Project Options
|
||||
*
|
||||
* The following defines can be found in this demo, which can control the demo behaviour when defined, or changed in value.
|
||||
*
|
||||
* <table>
|
||||
* <tr>
|
||||
* <td><b>Define Name:</b></td>
|
||||
* <td><b>Location:</b></td>
|
||||
* <td><b>Description:</b></td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td>MICROPHONE_BIASED_TO_HALF_RAIL</td>
|
||||
* <td>Makefile CDEFS</td>
|
||||
* <td>When defined, this alters the demo so that the half VCC bias of the microphone input is subtracted.</td>
|
||||
* </tr>
|
||||
* <tr>
|
||||
* <td>AUDIO_SAMPLE_FREQUENCY</td>
|
||||
* <td>Descriptors.h</td>
|
||||
* <td>Gives the audio sample rate per channel for the audio stream, in Hz.</td>
|
||||
* </tr>
|
||||
* </table>
|
||||
*/
|
||||
|
|
|
|||
|
|
@ -1,314 +1,314 @@
|
|||
/*
|
||||
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
|
||||
*
|
||||
* USB Device Descriptors, for library use when in USB device mode. Descriptors are special
|
||||
* computer-readable structures which the host requests upon device enumeration, to determine
|
||||
* the device's capabilities and functions.
|
||||
*/
|
||||
|
||||
#include "Descriptors.h"
|
||||
|
||||
/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
|
||||
* device characteristics, including the supported USB version, control endpoint size and the
|
||||
* number of device configurations. The descriptor is read out by the USB host when the enumeration
|
||||
* process begins.
|
||||
*/
|
||||
USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
|
||||
|
||||
.USBSpecification = VERSION_BCD(02.00),
|
||||
.Class = 0x00,
|
||||
.SubClass = 0x00,
|
||||
.Protocol = 0x00,
|
||||
|
||||
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
|
||||
|
||||
.VendorID = 0x03EB,
|
||||
.ProductID = 0x2047,
|
||||
.ReleaseNumber = 0x0000,
|
||||
|
||||
.ManufacturerStrIndex = 0x01,
|
||||
.ProductStrIndex = 0x02,
|
||||
.SerialNumStrIndex = NO_DESCRIPTOR,
|
||||
|
||||
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
|
||||
};
|
||||
|
||||
/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
|
||||
* of the device in one of its supported configurations, including information about any device interfaces
|
||||
* and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
|
||||
* a configuration so that the host may correctly communicate with the USB device.
|
||||
*/
|
||||
USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
|
||||
{
|
||||
.Config =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
|
||||
|
||||
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
|
||||
.TotalInterfaces = 2,
|
||||
|
||||
.ConfigurationNumber = 1,
|
||||
.ConfigurationStrIndex = NO_DESCRIPTOR,
|
||||
|
||||
.ConfigAttributes = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),
|
||||
|
||||
.MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
|
||||
},
|
||||
|
||||
.Audio_ControlInterface =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||||
|
||||
.InterfaceNumber = 0,
|
||||
.AlternateSetting = 0,
|
||||
|
||||
.TotalEndpoints = 0,
|
||||
|
||||
.Class = 0x01,
|
||||
.SubClass = 0x01,
|
||||
.Protocol = 0x00,
|
||||
|
||||
.InterfaceStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_ControlInterface_SPC =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_Interface_AC_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_Header,
|
||||
|
||||
.ACSpecification = VERSION_BCD(01.00),
|
||||
.TotalLength = (sizeof(USB_Audio_Interface_AC_t) +
|
||||
sizeof(USB_Audio_InputTerminal_t) +
|
||||
sizeof(USB_Audio_OutputTerminal_t)),
|
||||
|
||||
.InCollection = 1,
|
||||
.InterfaceNumbers = {1},
|
||||
},
|
||||
|
||||
.Audio_InputTerminal =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_InputTerminal_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_InputTerminal,
|
||||
|
||||
.TerminalID = 0x01,
|
||||
.TerminalType = TERMINAL_IN_MIC,
|
||||
.AssociatedOutputTerminal = 0x00,
|
||||
|
||||
.TotalChannels = 1,
|
||||
.ChannelConfig = 0,
|
||||
|
||||
.ChannelStrIndex = NO_DESCRIPTOR,
|
||||
.TerminalStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_OutputTerminal =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_OutputTerminal_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_OutputTerminal,
|
||||
|
||||
.TerminalID = 0x02,
|
||||
.TerminalType = TERMINAL_STREAMING,
|
||||
.AssociatedInputTerminal = 0x00,
|
||||
|
||||
.SourceID = 0x01,
|
||||
|
||||
.TerminalStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_StreamInterface_Alt0 =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||||
|
||||
.InterfaceNumber = 1,
|
||||
.AlternateSetting = 0,
|
||||
|
||||
.TotalEndpoints = 0,
|
||||
|
||||
.Class = 0x01,
|
||||
.SubClass = 0x02,
|
||||
.Protocol = 0x00,
|
||||
|
||||
.InterfaceStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_StreamInterface_Alt1 =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||||
|
||||
.InterfaceNumber = 1,
|
||||
.AlternateSetting = 1,
|
||||
|
||||
.TotalEndpoints = 1,
|
||||
|
||||
.Class = 0x01,
|
||||
.SubClass = 0x02,
|
||||
.Protocol = 0x00,
|
||||
|
||||
.InterfaceStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_StreamInterface_SPC =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_Interface_AS_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_General,
|
||||
|
||||
.TerminalLink = 0x02,
|
||||
|
||||
.FrameDelay = 1,
|
||||
.AudioFormat = 0x0001
|
||||
},
|
||||
|
||||
.Audio_AudioFormat =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_Format_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_Format,
|
||||
|
||||
.FormatType = 0x01,
|
||||
.Channels = 0x01,
|
||||
|
||||
.SubFrameSize = 0x02,
|
||||
.BitResolution = 16,
|
||||
.SampleFrequencyType = AUDIO_TOTAL_SAMPLE_RATES,
|
||||
|
||||
.SampleFrequencies = {AUDIO_SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)}
|
||||
},
|
||||
|
||||
.Audio_StreamEndpoint =
|
||||
{
|
||||
.Endpoint =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
|
||||
|
||||
.EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | AUDIO_STREAM_EPNUM),
|
||||
.Attributes = (EP_TYPE_ISOCHRONOUS | ENDPOINT_ATTR_SYNC | ENDPOINT_USAGE_DATA),
|
||||
.EndpointSize = AUDIO_STREAM_EPSIZE,
|
||||
.PollingIntervalMS = 1
|
||||
},
|
||||
|
||||
.Refresh = 0,
|
||||
.SyncEndpointNumber = 0
|
||||
},
|
||||
|
||||
.Audio_StreamEndpoint_SPC =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_StreamEndpoint_Spc_t), .Type = DTYPE_AudioEndpoint},
|
||||
.Subtype = DSUBTYPE_General,
|
||||
|
||||
.Attributes = 0x00,
|
||||
|
||||
.LockDelayUnits = 0x00,
|
||||
.LockDelay = 0x0000
|
||||
}
|
||||
};
|
||||
|
||||
/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
|
||||
* the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
|
||||
* via the language ID table available at USB.org what languages the device supports for its string descriptors.
|
||||
*/
|
||||
USB_Descriptor_String_t PROGMEM LanguageString =
|
||||
{
|
||||
.Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
|
||||
|
||||
.UnicodeString = {LANGUAGE_ID_ENG}
|
||||
};
|
||||
|
||||
/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable
|
||||
* form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
|
||||
* Descriptor.
|
||||
*/
|
||||
USB_Descriptor_String_t PROGMEM ManufacturerString =
|
||||
{
|
||||
.Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
|
||||
|
||||
.UnicodeString = L"Dean Camera"
|
||||
};
|
||||
|
||||
/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
|
||||
* and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
|
||||
* Descriptor.
|
||||
*/
|
||||
USB_Descriptor_String_t PROGMEM ProductString =
|
||||
{
|
||||
.Header = {.Size = USB_STRING_LEN(18), .Type = DTYPE_String},
|
||||
|
||||
.UnicodeString = L"LUFA Audio In Demo"
|
||||
};
|
||||
|
||||
/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
|
||||
* documentation) by the application code so that the address and size of a requested descriptor can be given
|
||||
* to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
|
||||
* is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
|
||||
* USB host.
|
||||
*/
|
||||
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
|
||||
{
|
||||
const uint8_t DescriptorType = (wValue >> 8);
|
||||
const uint8_t DescriptorNumber = (wValue & 0xFF);
|
||||
|
||||
void* Address = NULL;
|
||||
uint16_t Size = NO_DESCRIPTOR;
|
||||
|
||||
switch (DescriptorType)
|
||||
{
|
||||
case DTYPE_Device:
|
||||
Address = (void*)&DeviceDescriptor;
|
||||
Size = sizeof(USB_Descriptor_Device_t);
|
||||
break;
|
||||
case DTYPE_Configuration:
|
||||
Address = (void*)&ConfigurationDescriptor;
|
||||
Size = sizeof(USB_Descriptor_Configuration_t);
|
||||
break;
|
||||
case DTYPE_String:
|
||||
switch (DescriptorNumber)
|
||||
{
|
||||
case 0x00:
|
||||
Address = (void*)&LanguageString;
|
||||
Size = pgm_read_byte(&LanguageString.Header.Size);
|
||||
break;
|
||||
case 0x01:
|
||||
Address = (void*)&ManufacturerString;
|
||||
Size = pgm_read_byte(&ManufacturerString.Header.Size);
|
||||
break;
|
||||
case 0x02:
|
||||
Address = (void*)&ProductString;
|
||||
Size = pgm_read_byte(&ProductString.Header.Size);
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
*DescriptorAddress = Address;
|
||||
return Size;
|
||||
}
|
||||
/*
|
||||
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
|
||||
*
|
||||
* USB Device Descriptors, for library use when in USB device mode. Descriptors are special
|
||||
* computer-readable structures which the host requests upon device enumeration, to determine
|
||||
* the device's capabilities and functions.
|
||||
*/
|
||||
|
||||
#include "Descriptors.h"
|
||||
|
||||
/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall
|
||||
* device characteristics, including the supported USB version, control endpoint size and the
|
||||
* number of device configurations. The descriptor is read out by the USB host when the enumeration
|
||||
* process begins.
|
||||
*/
|
||||
USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
|
||||
|
||||
.USBSpecification = VERSION_BCD(02.00),
|
||||
.Class = 0x00,
|
||||
.SubClass = 0x00,
|
||||
.Protocol = 0x00,
|
||||
|
||||
.Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
|
||||
|
||||
.VendorID = 0x03EB,
|
||||
.ProductID = 0x2047,
|
||||
.ReleaseNumber = 0x0000,
|
||||
|
||||
.ManufacturerStrIndex = 0x01,
|
||||
.ProductStrIndex = 0x02,
|
||||
.SerialNumStrIndex = NO_DESCRIPTOR,
|
||||
|
||||
.NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
|
||||
};
|
||||
|
||||
/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage
|
||||
* of the device in one of its supported configurations, including information about any device interfaces
|
||||
* and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting
|
||||
* a configuration so that the host may correctly communicate with the USB device.
|
||||
*/
|
||||
USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
|
||||
{
|
||||
.Config =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
|
||||
|
||||
.TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
|
||||
.TotalInterfaces = 2,
|
||||
|
||||
.ConfigurationNumber = 1,
|
||||
.ConfigurationStrIndex = NO_DESCRIPTOR,
|
||||
|
||||
.ConfigAttributes = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),
|
||||
|
||||
.MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
|
||||
},
|
||||
|
||||
.Audio_ControlInterface =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||||
|
||||
.InterfaceNumber = 0,
|
||||
.AlternateSetting = 0,
|
||||
|
||||
.TotalEndpoints = 0,
|
||||
|
||||
.Class = 0x01,
|
||||
.SubClass = 0x01,
|
||||
.Protocol = 0x00,
|
||||
|
||||
.InterfaceStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_ControlInterface_SPC =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_Interface_AC_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_Header,
|
||||
|
||||
.ACSpecification = VERSION_BCD(01.00),
|
||||
.TotalLength = (sizeof(USB_Audio_Interface_AC_t) +
|
||||
sizeof(USB_Audio_InputTerminal_t) +
|
||||
sizeof(USB_Audio_OutputTerminal_t)),
|
||||
|
||||
.InCollection = 1,
|
||||
.InterfaceNumbers = {1},
|
||||
},
|
||||
|
||||
.Audio_InputTerminal =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_InputTerminal_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_InputTerminal,
|
||||
|
||||
.TerminalID = 0x01,
|
||||
.TerminalType = TERMINAL_IN_MIC,
|
||||
.AssociatedOutputTerminal = 0x00,
|
||||
|
||||
.TotalChannels = 1,
|
||||
.ChannelConfig = 0,
|
||||
|
||||
.ChannelStrIndex = NO_DESCRIPTOR,
|
||||
.TerminalStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_OutputTerminal =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_OutputTerminal_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_OutputTerminal,
|
||||
|
||||
.TerminalID = 0x02,
|
||||
.TerminalType = TERMINAL_STREAMING,
|
||||
.AssociatedInputTerminal = 0x00,
|
||||
|
||||
.SourceID = 0x01,
|
||||
|
||||
.TerminalStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_StreamInterface_Alt0 =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||||
|
||||
.InterfaceNumber = 1,
|
||||
.AlternateSetting = 0,
|
||||
|
||||
.TotalEndpoints = 0,
|
||||
|
||||
.Class = 0x01,
|
||||
.SubClass = 0x02,
|
||||
.Protocol = 0x00,
|
||||
|
||||
.InterfaceStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_StreamInterface_Alt1 =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
|
||||
|
||||
.InterfaceNumber = 1,
|
||||
.AlternateSetting = 1,
|
||||
|
||||
.TotalEndpoints = 1,
|
||||
|
||||
.Class = 0x01,
|
||||
.SubClass = 0x02,
|
||||
.Protocol = 0x00,
|
||||
|
||||
.InterfaceStrIndex = NO_DESCRIPTOR
|
||||
},
|
||||
|
||||
.Audio_StreamInterface_SPC =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_Interface_AS_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_General,
|
||||
|
||||
.TerminalLink = 0x02,
|
||||
|
||||
.FrameDelay = 1,
|
||||
.AudioFormat = 0x0001
|
||||
},
|
||||
|
||||
.Audio_AudioFormat =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_Format_t), .Type = DTYPE_AudioInterface},
|
||||
.Subtype = DSUBTYPE_Format,
|
||||
|
||||
.FormatType = 0x01,
|
||||
.Channels = 0x01,
|
||||
|
||||
.SubFrameSize = 0x02,
|
||||
.BitResolution = 16,
|
||||
.SampleFrequencyType = AUDIO_TOTAL_SAMPLE_RATES,
|
||||
|
||||
.SampleFrequencies = {AUDIO_SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)}
|
||||
},
|
||||
|
||||
.Audio_StreamEndpoint =
|
||||
{
|
||||
.Endpoint =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
|
||||
|
||||
.EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | AUDIO_STREAM_EPNUM),
|
||||
.Attributes = (EP_TYPE_ISOCHRONOUS | ENDPOINT_ATTR_SYNC | ENDPOINT_USAGE_DATA),
|
||||
.EndpointSize = AUDIO_STREAM_EPSIZE,
|
||||
.PollingIntervalMS = 1
|
||||
},
|
||||
|
||||
.Refresh = 0,
|
||||
.SyncEndpointNumber = 0
|
||||
},
|
||||
|
||||
.Audio_StreamEndpoint_SPC =
|
||||
{
|
||||
.Header = {.Size = sizeof(USB_Audio_StreamEndpoint_Spc_t), .Type = DTYPE_AudioEndpoint},
|
||||
.Subtype = DSUBTYPE_General,
|
||||
|
||||
.Attributes = 0x00,
|
||||
|
||||
.LockDelayUnits = 0x00,
|
||||
.LockDelay = 0x0000
|
||||
}
|
||||
};
|
||||
|
||||
/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests
|
||||
* the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate
|
||||
* via the language ID table available at USB.org what languages the device supports for its string descriptors.
|
||||
*/
|
||||
USB_Descriptor_String_t PROGMEM LanguageString =
|
||||
{
|
||||
.Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
|
||||
|
||||
.UnicodeString = {LANGUAGE_ID_ENG}
|
||||
};
|
||||
|
||||
/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable
|
||||
* form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
|
||||
* Descriptor.
|
||||
*/
|
||||
USB_Descriptor_String_t PROGMEM ManufacturerString =
|
||||
{
|
||||
.Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
|
||||
|
||||
.UnicodeString = L"Dean Camera"
|
||||
};
|
||||
|
||||
/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,
|
||||
* and is read out upon request by the host when the appropriate string ID is requested, listed in the Device
|
||||
* Descriptor.
|
||||
*/
|
||||
USB_Descriptor_String_t PROGMEM ProductString =
|
||||
{
|
||||
.Header = {.Size = USB_STRING_LEN(18), .Type = DTYPE_String},
|
||||
|
||||
.UnicodeString = L"LUFA Audio In Demo"
|
||||
};
|
||||
|
||||
/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
|
||||
* documentation) by the application code so that the address and size of a requested descriptor can be given
|
||||
* to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
|
||||
* is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
|
||||
* USB host.
|
||||
*/
|
||||
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
|
||||
{
|
||||
const uint8_t DescriptorType = (wValue >> 8);
|
||||
const uint8_t DescriptorNumber = (wValue & 0xFF);
|
||||
|
||||
void* Address = NULL;
|
||||
uint16_t Size = NO_DESCRIPTOR;
|
||||
|
||||
switch (DescriptorType)
|
||||
{
|
||||
case DTYPE_Device:
|
||||
Address = (void*)&DeviceDescriptor;
|
||||
Size = sizeof(USB_Descriptor_Device_t);
|
||||
break;
|
||||
case DTYPE_Configuration:
|
||||
Address = (void*)&ConfigurationDescriptor;
|
||||
Size = sizeof(USB_Descriptor_Configuration_t);
|
||||
break;
|
||||
case DTYPE_String:
|
||||
switch (DescriptorNumber)
|
||||
{
|
||||
case 0x00:
|
||||
Address = (void*)&LanguageString;
|
||||
Size = pgm_read_byte(&LanguageString.Header.Size);
|
||||
break;
|
||||
case 0x01:
|
||||
Address = (void*)&ManufacturerString;
|
||||
Size = pgm_read_byte(&ManufacturerString.Header.Size);
|
||||
break;
|
||||
case 0x02:
|
||||
Address = (void*)&ProductString;
|
||||
Size = pgm_read_byte(&ProductString.Header.Size);
|
||||
break;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
|
||||
*DescriptorAddress = Address;
|
||||
return Size;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,82 +1,82 @@
|
|||
/*
|
||||
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
|
||||
*
|
||||
* Header file for Descriptors.c.
|
||||
*/
|
||||
|
||||
#ifndef _DESCRIPTORS_H_
|
||||
#define _DESCRIPTORS_H_
|
||||
|
||||
/* Includes: */
|
||||
#include <LUFA/Drivers/USB/USB.h>
|
||||
#include <LUFA/Drivers/USB/Class/Audio.h>
|
||||
|
||||
#include <avr/pgmspace.h>
|
||||
|
||||
/* Macros: */
|
||||
/** Endpoint number of the Audio isochronous streaming data endpoint. */
|
||||
#define AUDIO_STREAM_EPNUM 1
|
||||
|
||||
/** Endpoint size in bytes of the Audio isochronous streaming data endpoint. The Windows audio stack requires
|
||||
* at least 192 bytes for correct output, thus the smaller 128 byte maximum endpoint size on some of the smaller
|
||||
* USB AVR models will result in unavoidable distorted output.
|
||||
*/
|
||||
#define AUDIO_STREAM_EPSIZE ENDPOINT_MAX_SIZE(AUDIO_STREAM_EPNUM)
|
||||
|
||||
/** Sample frequency of the data being transmitted through the streaming endpoint. */
|
||||
#define AUDIO_SAMPLE_FREQUENCY 48000
|
||||
|
||||
/* Type Defines: */
|
||||
/** Type define for the device configuration descriptor structure. This must be defined in the
|
||||
* application code, as the configuration descriptor contains several sub-descriptors which
|
||||
* vary between devices, and which describe the device's usage to the host.
|
||||
*/
|
||||
typedef struct
|
||||
{
|
||||
USB_Descriptor_Configuration_Header_t Config;
|
||||
USB_Descriptor_Interface_t Audio_ControlInterface;
|
||||
USB_Audio_Interface_AC_t Audio_ControlInterface_SPC;
|
||||
USB_Audio_InputTerminal_t Audio_InputTerminal;
|
||||
USB_Audio_OutputTerminal_t Audio_OutputTerminal;
|
||||
USB_Descriptor_Interface_t Audio_StreamInterface_Alt0;
|
||||
USB_Descriptor_Interface_t Audio_StreamInterface_Alt1;
|
||||
USB_Audio_Interface_AS_t Audio_StreamInterface_SPC;
|
||||
USB_Audio_Format_t Audio_AudioFormat;
|
||||
USB_Audio_StreamEndpoint_Std_t Audio_StreamEndpoint;
|
||||
USB_Audio_StreamEndpoint_Spc_t Audio_StreamEndpoint_SPC;
|
||||
} USB_Descriptor_Configuration_t;
|
||||
|
||||
/* Function Prototypes: */
|
||||
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
|
||||
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
|
||||
|
||||
#endif
|
||||
/*
|
||||
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
|
||||
*
|
||||
* Header file for Descriptors.c.
|
||||
*/
|
||||
|
||||
#ifndef _DESCRIPTORS_H_
|
||||
#define _DESCRIPTORS_H_
|
||||
|
||||
/* Includes: */
|
||||
#include <LUFA/Drivers/USB/USB.h>
|
||||
#include <LUFA/Drivers/USB/Class/Audio.h>
|
||||
|
||||
#include <avr/pgmspace.h>
|
||||
|
||||
/* Macros: */
|
||||
/** Endpoint number of the Audio isochronous streaming data endpoint. */
|
||||
#define AUDIO_STREAM_EPNUM 1
|
||||
|
||||
/** Endpoint size in bytes of the Audio isochronous streaming data endpoint. The Windows audio stack requires
|
||||
* at least 192 bytes for correct output, thus the smaller 128 byte maximum endpoint size on some of the smaller
|
||||
* USB AVR models will result in unavoidable distorted output.
|
||||
*/
|
||||
#define AUDIO_STREAM_EPSIZE ENDPOINT_MAX_SIZE(AUDIO_STREAM_EPNUM)
|
||||
|
||||
/** Sample frequency of the data being transmitted through the streaming endpoint. */
|
||||
#define AUDIO_SAMPLE_FREQUENCY 48000
|
||||
|
||||
/* Type Defines: */
|
||||
/** Type define for the device configuration descriptor structure. This must be defined in the
|
||||
* application code, as the configuration descriptor contains several sub-descriptors which
|
||||
* vary between devices, and which describe the device's usage to the host.
|
||||
*/
|
||||
typedef struct
|
||||
{
|
||||
USB_Descriptor_Configuration_Header_t Config;
|
||||
USB_Descriptor_Interface_t Audio_ControlInterface;
|
||||
USB_Audio_Interface_AC_t Audio_ControlInterface_SPC;
|
||||
USB_Audio_InputTerminal_t Audio_InputTerminal;
|
||||
USB_Audio_OutputTerminal_t Audio_OutputTerminal;
|
||||
USB_Descriptor_Interface_t Audio_StreamInterface_Alt0;
|
||||
USB_Descriptor_Interface_t Audio_StreamInterface_Alt1;
|
||||
USB_Audio_Interface_AS_t Audio_StreamInterface_SPC;
|
||||
USB_Audio_Format_t Audio_AudioFormat;
|
||||
USB_Audio_StreamEndpoint_Std_t Audio_StreamEndpoint;
|
||||
USB_Audio_StreamEndpoint_Spc_t Audio_StreamEndpoint_SPC;
|
||||
} USB_Descriptor_Configuration_t;
|
||||
|
||||
/* Function Prototypes: */
|
||||
uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
|
||||
ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
|
||||
|
||||
#endif
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load diff
File diff suppressed because it is too large
Load diff
Loading…
Add table
Add a link
Reference in a new issue