-/*
- 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"
-
-/* On some devices, there is a factory set internal serial number which can be automatically sent to the host as
- * the device's serial number when the Device Descriptor's .SerialNumStrIndex entry is set to USE_INTERNAL_SERIAL.
- * This allows the host to track a device across insertions on different ports, allowing them to retain allocated
- * resources like COM port numbers and drivers. On demos using this feature, give a warning on unsupported devices
- * so that the user can supply their own serial number descriptor instead or remove the USE_INTERNAL_SERIAL value
- * from the Device Descriptor (forcing the host to generate a serial number for each device from the VID, PID and
- * port location).
- */
-#if (USE_INTERNAL_SERIAL == NO_DESCRIPTOR)
- #warning USE_INTERNAL_SERIAL is not available on this AVR - please manually construct a device serial descriptor.
-#endif
-
-/** HID class report descriptor. This is a special descriptor constructed with values from the
- * USBIF HID class specification to describe the reports and capabilities of the HID device. This
- * descriptor is parsed by the host and its contents used to determine what data (and in what encoding)
- * the device will send, and what it may be sent back from the host. Refer to the HID specification for
- * more details on HID report descriptors.
- */
-USB_Descriptor_HIDReport_Datatype_t PROGMEM GenericReport[] =
-{
- 0x06, 0x9c, 0xff, /* Usage Page (Vendor Defined) */
- 0x09, 0x01, /* Usage (Vendor Defined) */
- 0xa1, 0x01, /* Collection (Vendor Defined) */
- 0x09, 0x02, /* Usage (Vendor Defined) */
- 0x75, 0x08, /* Report Size (8) */
- 0x95, GENERIC_REPORT_SIZE, /* Report Count (GENERIC_REPORT_SIZE) */
- 0x15, 0x80, /* Logical Minimum (-128) */
- 0x25, 0x7F, /* Logical Maximum (127) */
- 0x81, 0x02, /* Input (Data, Variable, Absolute) */
- 0x09, 0x03, /* Usage (Vendor Defined) */
- 0x75, 0x08, /* Report Size (8) */
- 0x95, GENERIC_REPORT_SIZE, /* Report Count (GENERIC_REPORT_SIZE) */
- 0x15, 0x00, /* Logical Minimum (0) */
- 0x25, 0xff, /* Logical Maximum (255) */
- 0x91, 0x02, /* Output (Data, Variable, Absolute) */
- 0xc0 /* End Collection */
-};
-
-/** 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(01.10),
- .Class = 0x00,
- .SubClass = 0x00,
- .Protocol = 0x00,
-
- .Endpoint0Size = FIXED_CONTROL_ENDPOINT_SIZE,
-
- .VendorID = 0x03EB,
- .ProductID = 0x2063,
- .ReleaseNumber = 0x0000,
-
- .ManufacturerStrIndex = 0x01,
- .ProductStrIndex = 0x02,
- .SerialNumStrIndex = USE_INTERNAL_SERIAL,
-
- .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,
-
- .MaxPowerConsumption = USB_CONFIG_POWER_MA(100)
- },
-
- .MS_Interface =
- {
- .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
-
- .InterfaceNumber = 0,
- .AlternateSetting = 0,
-
- .TotalEndpoints = 2,
-
- .Class = 0x08,
- .SubClass = 0x06,
- .Protocol = 0x50,
-
- .InterfaceStrIndex = NO_DESCRIPTOR
- },
-
- .MS_DataInEndpoint =
- {
- .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
-
- .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | MASS_STORAGE_IN_EPNUM),
- .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
- .EndpointSize = MASS_STORAGE_IO_EPSIZE,
- .PollingIntervalMS = 0x00
- },
-
- .MS_DataOutEndpoint =
- {
- .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
-
- .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_OUT | MASS_STORAGE_OUT_EPNUM),
- .Attributes = (EP_TYPE_BULK | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
- .EndpointSize = MASS_STORAGE_IO_EPSIZE,
- .PollingIntervalMS = 0x00
- },
-
- .HID_Interface =
- {
- .Header = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
-
- .InterfaceNumber = 1,
- .AlternateSetting = 0,
-
- .TotalEndpoints = 1,
-
- .Class = 0x03,
- .SubClass = 0x00,
- .Protocol = HID_NON_BOOT_PROTOCOL,
-
- .InterfaceStrIndex = NO_DESCRIPTOR
- },
-
- .HID_GenericHID =
- {
- .Header = {.Size = sizeof(USB_HID_Descriptor_t), .Type = DTYPE_HID},
-
- .HIDSpec = VERSION_BCD(01.11),
- .CountryCode = 0x00,
- .TotalReportDescriptors = 1,
- .HIDReportType = DTYPE_Report,
- .HIDReportLength = sizeof(GenericReport)
- },
-
- .HID_ReportINEndpoint =
- {
- .Header = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
-
- .EndpointAddress = (ENDPOINT_DESCRIPTOR_DIR_IN | GENERIC_IN_EPNUM),
- .Attributes = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
- .EndpointSize = GENERIC_EPSIZE,
- .PollingIntervalMS = 0x0A
- },
-};
-
-/** 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(22), .Type = DTYPE_String},
-
- .UnicodeString = L"Temperature Datalogger"
-};
-
-/** 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;
- case DTYPE_HID:
- Address = (void*)&ConfigurationDescriptor.HID_GenericHID;
- Size = sizeof(USB_HID_Descriptor_t);
- break;
- case DTYPE_Report:
- Address = (void*)&GenericReport;
- Size = sizeof(GenericReport);
- break;
- }
-
- *DescriptorAddress = Address;
- return Size;
-}
projects / pub / lufa.git / blobdiff