--- /dev/null
+/*\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: 8,\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: {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 StdDescriptors.h\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 recieves 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 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 = DESCRIPTOR_ADDRESS(DeviceDescriptor);\r
+ Size = sizeof(USB_Descriptor_Device_t);\r
+ break;\r
+ case DTYPE_Configuration:\r
+ Address = DESCRIPTOR_ADDRESS(ConfigurationDescriptor);\r
+ Size = sizeof(USB_Descriptor_Configuration_t);\r
+ break;\r
+ case DTYPE_String:\r
+ switch (DescriptorNumber)\r
+ {\r
+ case 0x00:\r
+ Address = DESCRIPTOR_ADDRESS(LanguageString);\r
+ Size = pgm_read_byte(&LanguageString.Header.Size);\r
+ break;\r
+ case 0x01:\r
+ Address = DESCRIPTOR_ADDRESS(ManufacturerString);\r
+ Size = pgm_read_byte(&ManufacturerString.Header.Size);\r
+ break;\r
+ case 0x02:\r
+ Address = DESCRIPTOR_ADDRESS(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