diff options
Diffstat (limited to 'Demos/Device/ClassDriver/AudioInput')
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/AudioInput.c | 274 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/AudioInput.h | 94 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/AudioInput.txt | 92 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/Config/AppConfig.h | 51 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/Config/LUFAConfig.h | 93 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/Descriptors.c | 312 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/Descriptors.h | 106 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/asf.xml | 52 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/doxyfile | 2395 | ||||
| -rw-r--r-- | Demos/Device/ClassDriver/AudioInput/makefile | 43 |
10 files changed, 3512 insertions, 0 deletions
diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.c b/Demos/Device/ClassDriver/AudioInput/AudioInput.c new file mode 100644 index 0000000000..2870bcd6f7 --- /dev/null +++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.c @@ -0,0 +1,274 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 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 disclaims 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 AudioInput demo. This file contains the main tasks of + * the demo and is responsible for the initial application hardware configuration. + */ + +#include "AudioInput.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 Microphone_Audio_Interface = + { + .Config = + { + .ControlInterfaceNumber = INTERFACE_ID_AudioControl, + .StreamingInterfaceNumber = INTERFACE_ID_AudioStream, + .DataINEndpoint = + { + .Address = AUDIO_STREAM_EPADDR, + .Size = AUDIO_STREAM_EPSIZE, + .Banks = 2, + }, + }, + }; + +/** Current audio sampling frequency of the streaming audio endpoint. */ +static uint32_t CurrentAudioSampleFrequency = 48000; + + +/** 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); + GlobalInterruptEnable(); + + for (;;) + { + Audio_Device_USBTask(&Microphone_Audio_Interface); + USB_USBTask(); + } +} + +/** Configures the board hardware and chip peripherals for the demo's functionality. */ +void SetupHardware(void) +{ +#if (ARCH == ARCH_AVR8) + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); +#endif + + /* Hardware Initialization */ + LEDs_Init(); + Buttons_Init(); + ADC_Init(ADC_FREE_RUNNING | ADC_PRESCALE_32); + ADC_SetupChannel(MIC_IN_ADC_CHANNEL); + USB_Init(); + + /* Start the ADC conversion in free running mode */ + ADC_StartReading(ADC_REFERENCE_AVCC | ADC_RIGHT_ADJUSTED | ADC_GET_CHANNEL_MASK(MIC_IN_ADC_CHANNEL)); +} + +/** ISR to handle the reloading of the data endpoint with the next sample. */ +ISR(TIMER0_COMPA_vect, ISR_BLOCK) +{ + uint8_t PrevEndpoint = Endpoint_GetCurrentEndpoint(); + + /* Check that the USB bus is ready for the next sample to write */ + if (Audio_Device_IsReadyForNextSample(&Microphone_Audio_Interface)) + { + int16_t AudioSample; + + #if defined(USE_TEST_TONE) + static uint8_t SquareWaveSampleCount; + static int16_t CurrentWaveValue; + + /* In test tone mode, generate a square wave at 1/256 of the sample rate */ + if (SquareWaveSampleCount++ == 0xFF) + CurrentWaveValue ^= 0x8000; + + /* Only generate audio if the board button is being pressed */ + AudioSample = (Buttons_GetStatus() & BUTTONS_BUTTON1) ? CurrentWaveValue : 0; + #else + /* Audio sample is ADC value scaled to fit the entire range */ + AudioSample = ((SAMPLE_MAX_RANGE / ADC_MAX_RANGE) * ADC_GetResult()); + + #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 + #endif + + Audio_Device_WriteSample16(&Microphone_Audio_Interface, AudioSample); + } + + Endpoint_SelectEndpoint(PrevEndpoint); +} + +/** Event handler for the library USB Connection event. */ +void EVENT_USB_Device_Connect(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); + + /* Sample reload timer initialization */ + TIMSK0 = (1 << OCIE0A); + OCR0A = ((F_CPU / 8 / CurrentAudioSampleFrequency) - 1); + TCCR0A = (1 << WGM01); // CTC mode + TCCR0B = (1 << CS01); // Fcpu/8 speed +} + +/** Event handler for the library USB Disconnection event. */ +void EVENT_USB_Device_Disconnect(void) +{ + /* Stop the sample reload timer */ + TCCR0B = 0; + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); +} + +/** Event handler for the library USB Configuration Changed event. */ +void EVENT_USB_Device_ConfigurationChanged(void) +{ + bool ConfigSuccess = true; + + ConfigSuccess &= Audio_Device_ConfigureEndpoints(&Microphone_Audio_Interface); + + LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); +} + +/** Event handler for the library USB Control Request reception event. */ +void EVENT_USB_Device_ControlRequest(void) +{ + Audio_Device_ProcessControlRequest(&Microphone_Audio_Interface); +} + +/** Audio class driver callback for the setting and retrieval of streaming endpoint properties. This callback must be implemented + * in the user application to handle property manipulations on streaming audio endpoints. + * + * When the DataLength parameter is NULL, this callback should only indicate whether the specified operation is valid for + * the given endpoint index, and should return as fast as possible. When non-NULL, this value may be altered for GET operations + * to indicate the size of the retrieved data. + * + * \note The length of the retrieved data stored into the Data buffer on GET operations should not exceed the initial value + * of the \c DataLength parameter. + * + * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. + * \param[in] EndpointProperty Property of the endpoint to get or set, a value from Audio_ClassRequests_t. + * \param[in] EndpointAddress Address of the streaming endpoint whose property is being referenced. + * \param[in] EndpointControl Parameter of the endpoint to get or set, a value from Audio_EndpointControls_t. + * \param[in,out] DataLength For SET operations, the length of the parameter data to set. For GET operations, the maximum + * length of the retrieved data. When NULL, the function should return whether the given property + * and parameter is valid for the requested endpoint without reading or modifying the Data buffer. + * \param[in,out] Data Pointer to a location where the parameter data is stored for SET operations, or where + * the retrieved data is to be stored for GET operations. + * + * \return Boolean \c true if the property get/set was successful, \c false otherwise + */ +bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, + const uint8_t EndpointProperty, + const uint8_t EndpointAddress, + const uint8_t EndpointControl, + uint16_t* const DataLength, + uint8_t* Data) +{ + /* Check the requested endpoint to see if a supported endpoint is being manipulated */ + if (EndpointAddress == Microphone_Audio_Interface.Config.DataINEndpoint.Address) + { + /* Check the requested control to see if a supported control is being manipulated */ + if (EndpointControl == AUDIO_EPCONTROL_SamplingFreq) + { + switch (EndpointProperty) + { + case AUDIO_REQ_SetCurrent: + /* Check if we are just testing for a valid property, or actually adjusting it */ + if (DataLength != NULL) + { + /* Set the new sampling frequency to the value given by the host */ + CurrentAudioSampleFrequency = (((uint32_t)Data[2] << 16) | ((uint32_t)Data[1] << 8) | (uint32_t)Data[0]); + + /* Adjust sample reload timer to the new frequency */ + OCR0A = ((F_CPU / 8 / CurrentAudioSampleFrequency) - 1); + } + + return true; + case AUDIO_REQ_GetCurrent: + /* Check if we are just testing for a valid property, or actually reading it */ + if (DataLength != NULL) + { + *DataLength = 3; + + Data[2] = (CurrentAudioSampleFrequency >> 16); + Data[1] = (CurrentAudioSampleFrequency >> 8); + Data[0] = (CurrentAudioSampleFrequency & 0xFF); + } + + return true; + } + } + } + + return false; +} + +/** Audio class driver callback for the setting and retrieval of streaming interface properties. This callback must be implemented + * in the user application to handle property manipulations on streaming audio interfaces. + * + * When the DataLength parameter is NULL, this callback should only indicate whether the specified operation is valid for + * the given entity and should return as fast as possible. When non-NULL, this value may be altered for GET operations + * to indicate the size of the retrieved data. + * + * \note The length of the retrieved data stored into the Data buffer on GET operations should not exceed the initial value + * of the \c DataLength parameter. + * + * \param[in,out] AudioInterfaceInfo Pointer to a structure containing an Audio Class configuration and state. + * \param[in] Property Property of the interface to get or set, a value from Audio_ClassRequests_t. + * \param[in] EntityAddress Address of the audio entity whose property is being referenced. + * \param[in] Parameter Parameter of the entity to get or set, specific to each type of entity (see USB Audio specification). + * \param[in,out] DataLength For SET operations, the length of the parameter data to set. For GET operations, the maximum + * length of the retrieved data. When NULL, the function should return whether the given property + * and parameter is valid for the requested endpoint without reading or modifying the Data buffer. + * \param[in,out] Data Pointer to a location where the parameter data is stored for SET operations, or where + * the retrieved data is to be stored for GET operations. + * + * \return Boolean \c true if the property GET/SET was successful, \c false otherwise + */ +bool CALLBACK_Audio_Device_GetSetInterfaceProperty(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, + const uint8_t Property, + const uint8_t EntityAddress, + const uint16_t Parameter, + uint16_t* const DataLength, + uint8_t* Data) +{ + /* No audio interface entities in the device descriptor, thus no properties to get or set. */ + return false; +} diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.h b/Demos/Device/ClassDriver/AudioInput/AudioInput.h new file mode 100644 index 0000000000..1deaa76885 --- /dev/null +++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.h @@ -0,0 +1,94 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 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 disclaims 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 AudioInput.c. + */ + +#ifndef _AUDIO_INPUT_H_ +#define _AUDIO_INPUT_H_ + + /* Includes: */ + #include <avr/io.h> + #include <avr/wdt.h> + #include <avr/power.h> + #include <avr/interrupt.h> + + #include <LUFA/Drivers/Board/LEDs.h> + #include <LUFA/Drivers/Board/Buttons.h> + #include <LUFA/Drivers/Peripheral/ADC.h> + #include <LUFA/Drivers/USB/USB.h> + #include <LUFA/Platform/Platform.h> + + #include "Descriptors.h" + #include "Config/AppConfig.h" + + /* Macros: */ + /** 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 + + /** LED mask for the library LED driver, to indicate that the USB interface is not ready. */ + #define LEDMASK_USB_NOTREADY LEDS_LED1 + + /** LED mask for the library LED driver, to indicate that the USB interface is enumerating. */ + #define LEDMASK_USB_ENUMERATING (LEDS_LED2 | LEDS_LED3) + + /** LED mask for the library LED driver, to indicate that the USB interface is ready. */ + #define LEDMASK_USB_READY (LEDS_LED2 | LEDS_LED4) + + /** LED mask for the library LED driver, to indicate that an error has occurred in the USB interface. */ + #define LEDMASK_USB_ERROR (LEDS_LED1 | LEDS_LED3) + + /* Function Prototypes: */ + void SetupHardware(void); + + void EVENT_USB_Device_Connect(void); + void EVENT_USB_Device_Disconnect(void); + void EVENT_USB_Device_ConfigurationChanged(void); + void EVENT_USB_Device_ControlRequest(void); + + bool CALLBACK_Audio_Device_GetSetEndpointProperty(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, + const uint8_t EndpointProperty, + const uint8_t EndpointAddress, + const uint8_t EndpointControl, + uint16_t* const DataLength, + uint8_t* Data) ATTR_NON_NULL_PTR_ARG(1); + bool CALLBACK_Audio_Device_GetSetInterfaceProperty(USB_ClassInfo_Audio_Device_t* const AudioInterfaceInfo, + const uint8_t Property, + const uint8_t EntityAddress, + const uint16_t Parameter, + uint16_t* const DataLength, + uint8_t* Data); +#endif + diff --git a/Demos/Device/ClassDriver/AudioInput/AudioInput.txt b/Demos/Device/ClassDriver/AudioInput/AudioInput.txt new file mode 100644 index 0000000000..4b0594244d --- /dev/null +++ b/Demos/Device/ClassDriver/AudioInput/AudioInput.txt @@ -0,0 +1,92 @@ +/** \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 Sec_Compat Demo Compatibility: + * + * The following list indicates what microcontrollers are compatible with this demo. + * + * \li Series 7 USB AVRs (AT90USBxxx7) + * \li Series 6 USB AVRs (AT90USBxxx6) + * \li Series 4 USB AVRs (ATMEGAxxU4) + * + * \section Sec_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 1.0 Class Specification \n + * USBIF Audio 1.0 Class Terminal Types Specification \n + * USBIF Audio 1.0 Data Formats Specification</td> + * </tr> + * <tr> + * <td><b>Supported USB Speeds:</b></td> + * <td>Full Speed Mode</td> + * </tr> + * </table> + * + * \section Sec_Description Project Description: + * + * Audio demonstration application. This gives a simple reference + * application for implementing a USB Audio Input device using the + * basic USB Audio 1.0 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. By default, the demo will produce a square wave test tone + * when the board button is pressed. If USE_TEST_TONE is not defined in the + * project makefile, incoming audio from the ADC channel 1 will be sampled + * and sent to the host computer instead. + * + * When in microphone mode, connect a microphone to the ADC channel 2. + * + * Under Windows, if a driver request dialogue pops up, select the option + * to automatically install the appropriate drivers. + * + * \section Sec_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> + * <th><b>Define Name:</b></th> + * <th><b>Location:</b></th> + * <th><b>Description:</b></th> + * </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>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>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> + */ + diff --git a/Demos/Device/ClassDriver/AudioInput/Config/AppConfig.h b/Demos/Device/ClassDriver/AudioInput/Config/AppConfig.h new file mode 100644 index 0000000000..ff8ed270de --- /dev/null +++ b/Demos/Device/ClassDriver/AudioInput/Config/AppConfig.h @@ -0,0 +1,51 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 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 disclaims 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 diff --git a/Demos/Device/ClassDriver/AudioInput/Config/LUFAConfig.h b/Demos/Device/ClassDriver/AudioInput/Config/LUFAConfig.h new file mode 100644 index 0000000000..6048c1d809 --- /dev/null +++ b/Demos/Device/ClassDriver/AudioInput/Config/LUFAConfig.h @@ -0,0 +1,93 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 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 disclaims 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 LUFA Library Configuration Header File + * + * This header file is used to configure LUFA's compile time options, + * as an alternative to the compile time constants supplied through + * a makefile. + * + * For information on what each token does, refer to the LUFA + * manual section "Summary of Compile Tokens". + */ + +#ifndef _LUFA_CONFIG_H_ +#define _LUFA_CONFIG_H_ + + #if (ARCH == ARCH_AVR8) + + /* Non-USB Related Configuration Tokens: */ +// #define DISABLE_TERMINAL_CODES + + /* USB Class Driver Related Tokens: */ +// #define HID_HOST_BOOT_PROTOCOL_ONLY +// #define HID_STATETABLE_STACK_DEPTH {Insert Value Here} +// #define HID_USAGE_STACK_DEPTH {Insert Value Here} +// #define HID_MAX_COLLECTIONS {Insert Value Here} +// #define HID_MAX_REPORTITEMS {Insert Value Here} +// #define HID_MAX_REPORT_IDS {Insert Value Here} +// #define NO_CLASS_DRIVER_AUTOFLUSH + + /* General USB Driver Related Tokens: */ +// #define ORDERED_EP_CONFIG + #define USE_STATIC_OPTIONS (USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL) + #define USB_DEVICE_ONLY +// #define USB_HOST_ONLY +// #define USB_STREAM_TIMEOUT_MS {Insert Value Here} +// #define NO_LIMITED_CONTROLLER_CONNECT +// #define NO_SOF_EVENTS + + /* USB Device Mode Driver Related Tokens: */ +// #define USE_RAM_DESCRIPTORS + #define USE_FLASH_DESCRIPTORS +// #define USE_EEPROM_DESCRIPTORS +// #define NO_INTERNAL_SERIAL + #define FIXED_CONTROL_ENDPOINT_SIZE 8 +// #define DEVICE_STATE_AS_GPIOR {Insert Value Here} + #define FIXED_NUM_CONFIGURATIONS 1 +// #define CONTROL_ONLY_DEVICE +// #define INTERRUPT_CONTROL_ENDPOINT +// #define NO_DEVICE_REMOTE_WAKEUP +// #define NO_DEVICE_SELF_POWER + + /* USB Host Mode Driver Related Tokens: */ +// #define HOST_STATE_AS_GPIOR {Insert Value Here} +// #define USB_HOST_TIMEOUT_MS {Insert Value Here} +// #define HOST_DEVICE_SETTLE_DELAY_MS {Insert Value Here} +// #define NO_AUTO_VBUS_MANAGEMENT +// #define INVERTED_VBUS_ENABLE_LINE + + #else + + #error Unsupported architecture for this LUFA configuration file. + + #endif +#endif diff --git a/Demos/Device/ClassDriver/AudioInput/Descriptors.c b/Demos/Device/ClassDriver/AudioInput/Descriptors.c new file mode 100644 index 0000000000..82cb337da6 --- /dev/null +++ b/Demos/Device/ClassDriver/AudioInput/Descriptors.c @@ -0,0 +1,312 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2017. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2017 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 disclaims 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. + */ +const USB_Descriptor_Device_t PROGMEM DeviceDescriptor = +{ + .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device}, + + .USBSpecification = VERSION_BCD(2,0,0), + .Class = USB_CSCP_NoDeviceClass, + .SubClass = USB_CSCP_NoDeviceSubclass, + .Protocol = USB_CSCP_NoDeviceProtocol, + + .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE, + + .VendorID = 0x03EB, + .ProductID = 0x2047, + .ReleaseNumber = VERSION_BCD(0,0,2), + + .ManufacturerStrIndex = STRING_ID_Manufacturer, + .ProductStrIndex = STRING_ID_Product, + .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. + */ +const 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_RESERVED | USB_CONFIG_ATTR_SELFPOWERED), + + .MaxPowerConsumption = USB_CONFIG_POWER_MA(100) + }, + + .Audio_ControlInterface = + { + .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, + + .InterfaceNumber = INTERFACE_ID_AudioControl, + .AlternateSetting = 0, + + .TotalEndpoints = 0, + + .Class = AUDIO_CSCP_AudioClass, + .SubClass = AUDIO_CSCP_ControlSubclass, + .Protocol = AUDIO_CSCP_ControlProtocol, + + .InterfaceStrIndex = NO_DESCRIPTOR + }, + + .Audio_ControlInterface_SPC = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_Interface_AC_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_Header, + + .ACSpecification = VERSION_BCD(1,0,0), + .TotalLength = (sizeof(USB_Audio_Descriptor_Interface_AC_t) + + sizeof(USB_Audio_Descriptor_InputTerminal_t) + + sizeof(USB_Audio_Descriptor_OutputTerminal_t)), + + .InCollection = 1, + .InterfaceNumber = INTERFACE_ID_AudioStream, + }, + + .Audio_InputTerminal = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_InputTerminal_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal, + + .TerminalID = 0x01, + .TerminalType = AUDIO_TERMINAL_IN_MIC, + .AssociatedOutputTerminal = 0x00, + + .TotalChannels = 1, + .ChannelConfig = 0, + + .ChannelStrIndex = NO_DESCRIPTOR, + .TerminalStrIndex = NO_DESCRIPTOR + }, + + .Audio_OutputTerminal = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_OutputTerminal_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal, + + .TerminalID = 0x02, + .TerminalType = AUDIO_TERMINAL_STREAMING, + .AssociatedInputTerminal = 0x00, + + .SourceID = 0x01, + + .TerminalStrIndex = NO_DESCRIPTOR + }, + + .Audio_StreamInterface_Alt0 = + { + .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, + + .InterfaceNumber = INTERFACE_ID_AudioStream, + .AlternateSetting = 0, + + .TotalEndpoints = 0, + + .Class = AUDIO_CSCP_AudioClass, + .SubClass = AUDIO_CSCP_AudioStreamingSubclass, + .Protocol = AUDIO_CSCP_StreamingProtocol, + + .InterfaceStrIndex = NO_DESCRIPTOR + }, + + .Audio_StreamInterface_Alt1 = + { + .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, + + .InterfaceNumber = INTERFACE_ID_AudioStream, + .AlternateSetting = 1, + + .TotalEndpoints = 1, + + .Class = AUDIO_CSCP_AudioClass, + .SubClass = AUDIO_CSCP_AudioStreamingSubclass, + .Protocol = AUDIO_CSCP_StreamingProtocol, + + .InterfaceStrIndex = NO_DESCRIPTOR + }, + + .Audio_StreamInterface_SPC = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_Interface_AS_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_General, + + .TerminalLink = 0x02, + + .FrameDelay = 1, + .AudioFormat = 0x0001 + }, + + .Audio_AudioFormat = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_Format_t) + + sizeof(ConfigurationDescriptor.Audio_AudioFormatSampleRates), + .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_FormatType, + + .FormatType = 0x01, + .Channels = 0x01, + + .SubFrameSize = 0x02, + .BitResolution = 16, + + .TotalDiscreteSampleRates = (sizeof(ConfigurationDescriptor.Audio_AudioFormatSampleRates) / sizeof(USB_Audio_SampleFreq_t)) + }, + + .Audio_AudioFormatSampleRates = + { + AUDIO_SAMPLE_FREQ(8000), + AUDIO_SAMPLE_FREQ(11025), + AUDIO_SAMPLE_FREQ(22050), + AUDIO_SAMPLE_FREQ(44100), + AUDIO_SAMPLE_FREQ(48000), + }, + + .Audio_StreamEndpoint = + { + .Endpoint = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint}, + + .EndpointAddress = AUDIO_STREAM_EPADDR, + .Attributes = (EP_TYPE_ISOCHRONOUS | ENDPOINT_ATTR_SYNC | ENDPOINT_USAGE_DATA), + .EndpointSize = AUDIO_STREAM_EPSIZE, + .PollingIntervalMS = 0x01 + }, + + .Refresh = 0, + .SyncEndpointNumber = 0 + }, + + .Audio_StreamEndpoint_SPC = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Spc_t), .Type = DTYPE_CSEndpoint}, + .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General, + + .Attributes = (AUDIO_EP_ACCEPTS_SMALL_PACKETS | AUDIO_EP_SAMPLE_FREQ_CONTROL), + + .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. + */ +const USB_Descriptor_String_t PROGMEM LanguageString = USB_STRING_DESCRIPTOR_ARRAY(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. + */ +const USB_Descriptor_String_t PROGMEM ManufacturerString = USB_STRING_DESCRIPTOR(L"Dean Camera"); |