diff options
Diffstat (limited to 'lib/lufa-descriptor-midi.c')
| -rw-r--r-- | lib/lufa-descriptor-midi.c | 674 |
1 files changed, 337 insertions, 337 deletions
diff --git a/lib/lufa-descriptor-midi.c b/lib/lufa-descriptor-midi.c index 99fab41..b804386 100644 --- a/lib/lufa-descriptor-midi.c +++ b/lib/lufa-descriptor-midi.c @@ -1,337 +1,337 @@ -/*
- LUFA Library
- Copyright (C) Dean Camera, 2012.
-
- dean [at] fourwalledcubicle [dot] com
- www.lufa-lib.org
-*/
-
-/*
- Copyright 2012 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 "lufa-descriptor-midi.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(01.10),
- .Class = USB_CSCP_NoDeviceClass,
- .SubClass = USB_CSCP_NoDeviceSubclass,
- .Protocol = USB_CSCP_NoDeviceProtocol,
-
- .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
-
- .VendorID = 0x03EB,
- .ProductID = 0x2048,
- .ReleaseNumber = VERSION_BCD(00.01),
-
- .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.
- */
-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 = 0,
- .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(01.00),
- .TotalLength = sizeof(USB_Audio_Descriptor_Interface_AC_t),
-
- .InCollection = 1,
- .InterfaceNumber = 1,
- },
-
- .Audio_StreamInterface =
- {
- .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
-
- .InterfaceNumber = 1,
- .AlternateSetting = 0,
-
- .TotalEndpoints = 2,
-
- .Class = AUDIO_CSCP_AudioClass,
- .SubClass = AUDIO_CSCP_MIDIStreamingSubclass,
- .Protocol = AUDIO_CSCP_StreamingProtocol,
-
- .InterfaceStrIndex = NO_DESCRIPTOR
- },
-
- .Audio_StreamInterface_SPC =
- {
- .Header = {.Size = sizeof(USB_MIDI_Descriptor_AudioInterface_AS_t), .Type = DTYPE_CSInterface},
- .Subtype = AUDIO_DSUBTYPE_CSInterface_General,
-
- .AudioSpecification = VERSION_BCD(01.00),
-
- .TotalLength = (sizeof(USB_Descriptor_Configuration_t) -
- offsetof(USB_Descriptor_Configuration_t, Audio_StreamInterface_SPC))
- },
-
- .MIDI_In_Jack_Emb =
- {
- .Header = {.Size = sizeof(USB_MIDI_Descriptor_InputJack_t), .Type = DTYPE_CSInterface},
- .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
-
- .JackType = MIDI_JACKTYPE_Embedded,
- .JackID = 0x01,
-
- .JackStrIndex = NO_DESCRIPTOR
- },
-
- .MIDI_In_Jack_Ext =
- {
- .Header = {.Size = sizeof(USB_MIDI_Descriptor_InputJack_t), .Type = DTYPE_CSInterface},
- .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal,
-
- .JackType = MIDI_JACKTYPE_External,
- .JackID = 0x02,
-
- .JackStrIndex = NO_DESCRIPTOR
- },
-
- .MIDI_Out_Jack_Emb =
- {
- .Header = {.Size = sizeof(USB_MIDI_Descriptor_OutputJack_t), .Type = DTYPE_CSInterface},
- .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
-
- .JackType = MIDI_JACKTYPE_Embedded,
- .JackID = 0x03,
-
- .NumberOfPins = 1,
- .SourceJackID = {0x02},
- .SourcePinID = {0x01},
-
- .JackStrIndex = NO_DESCRIPTOR
- },
-
- .MIDI_Out_Jack_Ext =
- {
- .Header = {.Size = sizeof(USB_MIDI_Descriptor_OutputJack_t), .Type = DTYPE_CSInterface},
- .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal,
-
- .JackType = MIDI_JACKTYPE_External,
- .JackID = 0x04,
-
- .NumberOfPins = 1,
- .SourceJackID = {0x01},
- .SourcePinID = {0x01},
-
- .JackStrIndex = NO_DESCRIPTOR
- },
-
- .MIDI_In_Jack_Endpoint =
- {
- .Endpoint =
- {
- .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
-
- .EndpointAddress = (ENDPOINT_DIR_OUT | MIDI_STREAM_OUT_EPNUM),
- .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
- .EndpointSize = MIDI_STREAM_EPSIZE,
- .PollingIntervalMS = 0x01
- },
-
- .Refresh = 0,
- .SyncEndpointNumber = 0
- },
-
- .MIDI_In_Jack_Endpoint_SPC =
- {
- .Header = {.Size = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t), .Type = DTYPE_CSEndpoint},
- .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General,
-
- .TotalEmbeddedJacks = 0x01,
- .AssociatedJackID = {0x01}
- },
-
- .MIDI_Out_Jack_Endpoint =
- {
- .Endpoint =
- {
- .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint},
-
- .EndpointAddress = (ENDPOINT_DIR_IN | MIDI_STREAM_IN_EPNUM),
- .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
- .EndpointSize = MIDI_STREAM_EPSIZE,
- .PollingIntervalMS = 0x01
- },
-
- .Refresh = 0,
- .SyncEndpointNumber = 0
- },
-
- .MIDI_Out_Jack_Endpoint_SPC =
- {
- .Header = {.Size = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t), .Type = DTYPE_CSEndpoint},
- .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General,
-
- .TotalEmbeddedJacks = 0x01,
- .AssociatedJackID = {0x03}
- }
-};
-
-/** 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 =
-{
- .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.
- */
-const USB_Descriptor_String_t PROGMEM ManufacturerString =
-{
-#ifndef USB_MANUFACTURER
- .Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
- .UnicodeString = L"Dean Camera"
-#else
- .Header = {.Size = USB_STRING_LEN(USB_MANUFACTURER_LEN), .Type = DTYPE_String},
- .UnicodeString = USB_MANUFACTURER
-#endif
-};
-
-/** 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.
- */
-const USB_Descriptor_String_t PROGMEM ProductString =
-{
-#ifndef USB_PRODUCT
- .Header = {.Size = USB_STRING_LEN(14), .Type = DTYPE_String},
- .UnicodeString = L"LUFA MIDI Demo"
-#else
- .Header = {.Size = USB_STRING_LEN(USB_PRODUCT_LEN), .Type = DTYPE_String},
- .UnicodeString = USB_PRODUCT
-#endif
-};
-
-/** 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,
- const void** const DescriptorAddress)
-{
- const uint8_t DescriptorType = (wValue >> 8);
- const uint8_t DescriptorNumber = (wValue & 0xFF);
-
- const void* Address = NULL;
- uint16_t Size = NO_DESCRIPTOR;
-
- switch (DescriptorType)
- {
- case DTYPE_Device:
- Address = &DeviceDescriptor;
- Size = sizeof(USB_Descriptor_Device_t);
- break;
- case DTYPE_Configuration:
- Address = &ConfigurationDescriptor;
- Size = sizeof(USB_Descriptor_Configuration_t);
- break;
- case DTYPE_String:
- switch (DescriptorNumber)
- {
- case 0x00:
- Address = &LanguageString;
- Size = pgm_read_byte(&LanguageString.Header.Size);
- break;
- case 0x01:
- Address = &ManufacturerString;
- Size = pgm_read_byte(&ManufacturerString.Header.Size);
- break;
- case 0x02:
- Address = &ProductString;
- Size = pgm_read_byte(&ProductString.Header.Size);
- break;
- }
-
- break;
- }
-
- *DescriptorAddress = Address;
- return Size;
-}
-
+/* + LUFA Library + Copyright (C) Dean Camera, 2012. + + dean [at] fourwalledcubicle [dot] com + www.lufa-lib.org +*/ + +/* + Copyright 2012 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 "lufa-descriptor-midi.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(01.10), + .Class = USB_CSCP_NoDeviceClass, + .SubClass = USB_CSCP_NoDeviceSubclass, + .Protocol = USB_CSCP_NoDeviceProtocol, + + .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE, + + .VendorID = 0x03EB, + .ProductID = 0x2048, + .ReleaseNumber = VERSION_BCD(00.01), + + .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. + */ +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 = 0, + .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(01.00), + .TotalLength = sizeof(USB_Audio_Descriptor_Interface_AC_t), + + .InCollection = 1, + .InterfaceNumber = 1, + }, + + .Audio_StreamInterface = + { + .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface}, + + .InterfaceNumber = 1, + .AlternateSetting = 0, + + .TotalEndpoints = 2, + + .Class = AUDIO_CSCP_AudioClass, + .SubClass = AUDIO_CSCP_MIDIStreamingSubclass, + .Protocol = AUDIO_CSCP_StreamingProtocol, + + .InterfaceStrIndex = NO_DESCRIPTOR + }, + + .Audio_StreamInterface_SPC = + { + .Header = {.Size = sizeof(USB_MIDI_Descriptor_AudioInterface_AS_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_General, + + .AudioSpecification = VERSION_BCD(01.00), + + .TotalLength = (sizeof(USB_Descriptor_Configuration_t) - + offsetof(USB_Descriptor_Configuration_t, Audio_StreamInterface_SPC)) + }, + + .MIDI_In_Jack_Emb = + { + .Header = {.Size = sizeof(USB_MIDI_Descriptor_InputJack_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal, + + .JackType = MIDI_JACKTYPE_Embedded, + .JackID = 0x01, + + .JackStrIndex = NO_DESCRIPTOR + }, + + .MIDI_In_Jack_Ext = + { + .Header = {.Size = sizeof(USB_MIDI_Descriptor_InputJack_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_InputTerminal, + + .JackType = MIDI_JACKTYPE_External, + .JackID = 0x02, + + .JackStrIndex = NO_DESCRIPTOR + }, + + .MIDI_Out_Jack_Emb = + { + .Header = {.Size = sizeof(USB_MIDI_Descriptor_OutputJack_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal, + + .JackType = MIDI_JACKTYPE_Embedded, + .JackID = 0x03, + + .NumberOfPins = 1, + .SourceJackID = {0x02}, + .SourcePinID = {0x01}, + + .JackStrIndex = NO_DESCRIPTOR + }, + + .MIDI_Out_Jack_Ext = + { + .Header = {.Size = sizeof(USB_MIDI_Descriptor_OutputJack_t), .Type = DTYPE_CSInterface}, + .Subtype = AUDIO_DSUBTYPE_CSInterface_OutputTerminal, + + .JackType = MIDI_JACKTYPE_External, + .JackID = 0x04, + + .NumberOfPins = 1, + .SourceJackID = {0x01}, + .SourcePinID = {0x01}, + + .JackStrIndex = NO_DESCRIPTOR + }, + + .MIDI_In_Jack_Endpoint = + { + .Endpoint = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint}, + + .EndpointAddress = (ENDPOINT_DIR_OUT | MIDI_STREAM_OUT_EPNUM), + .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), + .EndpointSize = MIDI_STREAM_EPSIZE, + .PollingIntervalMS = 0x01 + }, + + .Refresh = 0, + .SyncEndpointNumber = 0 + }, + + .MIDI_In_Jack_Endpoint_SPC = + { + .Header = {.Size = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t), .Type = DTYPE_CSEndpoint}, + .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General, + + .TotalEmbeddedJacks = 0x01, + .AssociatedJackID = {0x01} + }, + + .MIDI_Out_Jack_Endpoint = + { + .Endpoint = + { + .Header = {.Size = sizeof(USB_Audio_Descriptor_StreamEndpoint_Std_t), .Type = DTYPE_Endpoint}, + + .EndpointAddress = (ENDPOINT_DIR_IN | MIDI_STREAM_IN_EPNUM), + .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA), + .EndpointSize = MIDI_STREAM_EPSIZE, + .PollingIntervalMS = 0x01 + }, + + .Refresh = 0, + .SyncEndpointNumber = 0 + }, + + .MIDI_Out_Jack_Endpoint_SPC = + { + .Header = {.Size = sizeof(USB_MIDI_Descriptor_Jack_Endpoint_t), .Type = DTYPE_CSEndpoint}, + .Subtype = AUDIO_DSUBTYPE_CSEndpoint_General, + + .TotalEmbeddedJacks = 0x01, + .AssociatedJackID = {0x03} + } +}; + +/** 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 = +{ + .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. + */ +const USB_Descriptor_String_t PROGMEM ManufacturerString = +{ +#ifndef USB_MANUFACTURER + .Header = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String}, + .UnicodeString = L"Dean Camera" +#else + .Header = {.Size = USB_STRING_LEN(USB_MANUFACTURER_LEN), .Type = DTYPE_String}, + .UnicodeString = USB_MANUFACTURER +#endif +}; + +/** 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. + */ +const USB_Descriptor_String_t PROGMEM ProductString = +{ +#ifndef USB_PRODUCT + .Header = {.Size = USB_STRING_LEN(14), .Type = DTYPE_String}, + .UnicodeString = L"LUFA MIDI Demo" +#else + .Header = {.Size = USB_STRING_LEN(USB_PRODUCT_LEN), .Type = DTYPE_String}, + .UnicodeString = USB_PRODUCT +#endif +}; + +/** 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, + const void** const DescriptorAddress) +{ + const uint8_t DescriptorType = (wValue >> 8); + const uint8_t DescriptorNumber = (wValue & 0xFF); + + const void* Address = NULL; + uint16_t Size = NO_DESCRIPTOR; + + switch (DescriptorType) + { + case DTYPE_Device: + Address = &DeviceDescriptor; + Size = sizeof(USB_Descriptor_Device_t); + break; + case DTYPE_Configuration: + Address = &ConfigurationDescriptor; + Size = sizeof(USB_Descriptor_Configuration_t); + break; + case DTYPE_String: + switch (DescriptorNumber) + { + case 0x00: + Address = &LanguageString; + Size = pgm_read_byte(&LanguageString.Header.Size); + break; + case 0x01: + Address = &ManufacturerString; + Size = pgm_read_byte(&ManufacturerString.Header.Size); + break; + case 0x02: + Address = &ProductString; + Size = pgm_read_byte(&ProductString.Header.Size); + break; + } + + break; + } + + *DescriptorAddress = Address; + return Size; +} + |