-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting\r
- documentation, and that the name of the author not be used in\r
- advertising or publicity pertaining to distribution of the\r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * USB Device Descriptors, for library use when in USB device mode. Descriptors are special \r
- * computer-readable structures which the host requests upon device enumeration, to determine\r
- * the device's capabilities and functions. \r
- */\r
- \r
-#include "Descriptors.h"\r
-\r
-/** Device descriptor structure. This descriptor, located in FLASH memory, describes the overall\r
- * device characteristics, including the supported USB version, control endpoint size and the\r
- * number of device configurations. The descriptor is read out by the USB host when the enumeration\r
- * process begins.\r
- */\r
-USB_Descriptor_Device_t PROGMEM DeviceDescriptor =\r
-{\r
- .Header = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},\r
- \r
- .USBSpecification = VERSION_BCD(02.00),\r
- .Class = 0x00,\r
- .SubClass = 0x00,\r
- .Protocol = 0x00,\r
- \r
- .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,\r
- \r
- .VendorID = 0x03EB,\r
- .ProductID = 0x2046,\r
- .ReleaseNumber = 0x0000,\r
- \r
- .ManufacturerStrIndex = 0x01,\r
- .ProductStrIndex = 0x02,\r
- .SerialNumStrIndex = NO_DESCRIPTOR,\r
- \r
- .NumberOfConfigurations = 1\r
-};\r
-\r
-/** Configuration descriptor structure. This descriptor, located in FLASH memory, describes the usage\r
- * of the device in one of its supported configurations, including information about any device interfaces\r
- * and endpoints. The descriptor is read out by the USB host during the enumeration process when selecting\r
- * a configuration so that the host may correctly communicate with the USB device.\r
- */\r
-USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =\r
-{\r
- .Config = \r
- {\r
- .Header = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},\r
-\r
- .TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),\r
- .TotalInterfaces = 2,\r
-\r
- .ConfigurationNumber = 1,\r
- .ConfigurationStrIndex = NO_DESCRIPTOR,\r
- \r
- .ConfigAttributes = (USB_CONFIG_ATTR_BUSPOWERED | USB_CONFIG_ATTR_SELFPOWERED),\r
- \r
- .MaxPowerConsumption = USB_CONFIG_POWER_MA(100)\r
- },\r
- \r
- .AudioControlInterface = \r
- {\r
- .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},\r
-\r
- .InterfaceNumber = 0,\r
- .AlternateSetting = 0,\r
- \r
- .TotalEndpoints = 0,\r
- \r
- .Class = 0x01,\r
- .SubClass = 0x01,\r
- .Protocol = 0x00,\r
- \r
- .InterfaceStrIndex = NO_DESCRIPTOR \r
- },\r
- \r
- .AudioControlInterface_SPC = \r
- {\r
- .Header = {.Size = sizeof(USB_AudioInterface_AC_t), .Type = DTYPE_AudioInterface},\r
- .Subtype = DSUBTYPE_Header,\r
- \r
- .ACSpecification = VERSION_BCD(01.00),\r
- .TotalLength = (sizeof(USB_AudioInterface_AC_t) +\r
- sizeof(USB_AudioInputTerminal_t) +\r
- sizeof(USB_AudioOutputTerminal_t)),\r
- \r
- .InCollection = 1,\r
- .InterfaceNumbers = {1}, \r
- },\r
-\r
- .InputTerminal = \r
- {\r
- .Header = {.Size = sizeof(USB_AudioInputTerminal_t), .Type = DTYPE_AudioInterface},\r
- .Subtype = DSUBTYPE_InputTerminal,\r
- \r
- .TerminalID = 0x01,\r
- .TerminalType = TERMINAL_STREAMING,\r
- .AssociatedOutputTerminal = 0x00,\r
- \r
- .TotalChannels = 2,\r
- .ChannelConfig = (CHANNEL_LEFT_FRONT | CHANNEL_RIGHT_FRONT),\r
- \r
- .ChannelStrIndex = NO_DESCRIPTOR,\r
- .TerminalStrIndex = NO_DESCRIPTOR\r
- },\r
-\r
- .OutputTerminal = \r
- {\r
- .Header = {.Size = sizeof(USB_AudioOutputTerminal_t), .Type = DTYPE_AudioInterface},\r
- .Subtype = DSUBTYPE_OutputTerminal,\r
- \r
- .TerminalID = 0x02,\r
- .TerminalType = TERMINAL_OUT_SPEAKER,\r
- .AssociatedInputTerminal = 0x00,\r
- \r
- .SourceID = 0x01,\r
- \r
- .TerminalStrIndex = NO_DESCRIPTOR \r
- },\r
-\r
- .AudioStreamInterface_Alt0 = \r
- {\r
- .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},\r
-\r
- .InterfaceNumber = 1,\r
- .AlternateSetting = 0,\r
- \r
- .TotalEndpoints = 0,\r
- \r
- .Class = 0x01,\r
- .SubClass = 0x02,\r
- .Protocol = 0x00,\r
- \r
- .InterfaceStrIndex = NO_DESCRIPTOR\r
- },\r
-\r
- .AudioStreamInterface_Alt1 = \r
- {\r
- .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},\r
-\r
- .InterfaceNumber = 1,\r
- .AlternateSetting = 1,\r
- \r
- .TotalEndpoints = 1,\r
- \r
- .Class = 0x01,\r
- .SubClass = 0x02,\r
- .Protocol = 0x00,\r
- \r
- .InterfaceStrIndex = NO_DESCRIPTOR\r
- },\r
- \r
- .AudioStreamInterface_SPC = \r
- {\r
- .Header = {.Size = sizeof(USB_AudioInterface_AS_t), .Type = DTYPE_AudioInterface},\r
- .Subtype = DSUBTYPE_General,\r
- \r
- .TerminalLink = 0x01,\r
- \r
- .FrameDelay = 1,\r
- .AudioFormat = 0x0001\r
- },\r
- \r
- .AudioFormat = \r
- {\r
- .Header = {.Size = sizeof(USB_AudioFormat_t), .Type = DTYPE_AudioInterface},\r
- .Subtype = DSUBTYPE_Format,\r
-\r
- .FormatType = 0x01,\r
- .Channels = 0x02,\r
- \r
- .SubFrameSize = 0x02,\r
- .BitResolution = 16,\r
-\r
- .SampleFrequencyType = (sizeof(ConfigurationDescriptor.AudioFormat.SampleFrequencies) / sizeof(AudioSampleFreq_t)), \r
- .SampleFrequencies = {AUDIO_SAMPLE_FREQ(AUDIO_SAMPLE_FREQUENCY)}\r
- },\r
- \r
- .AudioEndpoint = \r
- {\r
- .Endpoint = \r
- {\r
- .Header = {.Size = sizeof(USB_AudioStreamEndpoint_Std_t), .Type = DTYPE_Endpoint},\r
-\r
- .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_OUT | AUDIO_STREAM_EPNUM),\r
- .Attributes = (EP_TYPE_ISOCHRONOUS | ENDPOINT_ATTR_SYNC | ENDPOINT_USAGE_DATA),\r
- .EndpointSize = AUDIO_STREAM_EPSIZE,\r
- .PollingIntervalMS = 1\r
- },\r
- \r
- .Refresh = 0,\r
- .SyncEndpointNumber = 0\r
- },\r
- \r
- .AudioEndpoint_SPC = \r
- {\r
- .Header = {.Size = sizeof(USB_AudioStreamEndpoint_Spc_t), .Type = DTYPE_AudioEndpoint},\r
- .Subtype = DSUBTYPE_General,\r
- \r
- .Attributes = EP_ACCEPTS_SMALL_PACKETS,\r
- \r
- .LockDelayUnits = 0x00,\r
- .LockDelay = 0x0000\r
- }\r
-};\r
-\r
-/** Language descriptor structure. This descriptor, located in FLASH memory, is returned when the host requests\r
- * the string descriptor with index 0 (the first index). It is actually an array of 16-bit integers, which indicate\r
- * via the language ID table available at USB.org what languages the device supports for its string descriptors.\r
- */\r
-USB_Descriptor_String_t PROGMEM LanguageString =\r
-{\r
- .Header = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},\r
- \r
- .UnicodeString = {LANGUAGE_ID_ENG}\r
-};\r
-\r
-/** Manufacturer descriptor string. This is a Unicode string containing the manufacturer's details in human readable\r
- * form, and is read out upon request by the host when the appropriate string ID is requested, listed in the Device\r
- * Descriptor.\r
- */\r
-USB_Descriptor_String_t PROGMEM ManufacturerString =\r
-{\r
- .Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},\r
- \r
- .UnicodeString = L"Dean Camera"\r
-};\r
-\r
-/** Product descriptor string. This is a Unicode string containing the product's details in human readable form,\r
- * and is read out upon request by the host when the appropriate string ID is requested, listed in the Device\r
- * Descriptor.\r
- */\r
-USB_Descriptor_String_t PROGMEM ProductString =\r
-{\r
- .Header = {.Size = USB_STRING_LEN(19), .Type = DTYPE_String},\r
- \r
- .UnicodeString = L"LUFA Audio Out Demo"\r
-};\r
-\r
-/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"\r
- * documentation) by the application code so that the address and size of a requested descriptor can be given\r
- * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function\r
- * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the\r
- * USB host.\r
- */\r
-uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)\r
-{\r
- const uint8_t DescriptorType = (wValue >> 8);\r
- const uint8_t DescriptorNumber = (wValue & 0xFF);\r
-\r
- void* Address = NULL;\r
- uint16_t Size = NO_DESCRIPTOR;\r
-\r
- switch (DescriptorType)\r
- {\r
- case DTYPE_Device:\r
- Address = (void*)&DeviceDescriptor;\r
- Size = sizeof(USB_Descriptor_Device_t);\r
- break;\r
- case DTYPE_Configuration:\r
- Address = (void*)&ConfigurationDescriptor;\r
- Size = sizeof(USB_Descriptor_Configuration_t);\r
- break;\r
- case DTYPE_String: \r
- switch (DescriptorNumber)\r
- {\r
- case 0x00:\r
- Address = (void*)&LanguageString;\r
- Size = pgm_read_byte(&LanguageString.Header.Size);\r
- break;\r
- case 0x01: \r
- Address = (void*)&ManufacturerString;\r
- Size = pgm_read_byte(&ManufacturerString.Header.Size);\r
- break;\r
- case 0x02: \r
- Address = (void*)&ProductString;\r
- Size = pgm_read_byte(&ProductString.Header.Size);\r
- break;\r
- }\r
- \r
- break;\r
- }\r
- \r
- *DescriptorAddress = Address;\r
- return Size;\r
-}\r
projects / pub / lufa.git / blobdiff