keyboard/lufa/Descriptors.c

   1 /*
   2  * Copyright 2012 Jun Wako <wakojun@gmail.com>
   3  * This file is based on:
   4  *     LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
   5  *     LUFA-120219/Demos/Device/Lowlevel/GenericHID
   6  */
   7
   8 /*
   9              LUFA Library
  10      Copyright (C) Dean Camera, 2012.
  11
  12   dean [at] fourwalledcubicle [dot] com
  13            www.lufa-lib.org
  14 */
  15
  16 /*
  17   Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  18   Copyright 2010  Denver Gingerich (denver [at] ossguy [dot] com)
  19
  20   Permission to use, copy, modify, distribute, and sell this
  21   software and its documentation for any purpose is hereby granted
  22   without fee, provided that the above copyright notice appear in
  23   all copies and that both that the copyright notice and this
  24   permission notice and warranty disclaimer appear in supporting
  25   documentation, and that the name of the author not be used in
  26   advertising or publicity pertaining to distribution of the
  27   software without specific, written prior permission.
  28
  29   The author disclaim all warranties with regard to this
  30   software, including all implied warranties of merchantability
  31   and fitness.  In no event shall the author be liable for any
  32   special, indirect or consequential damages or any damages
  33   whatsoever resulting from loss of use, data or profits, whether
  34   in an action of contract, negligence or other tortious action,
  35   arising out of or in connection with the use or performance of
  36   this software.
  37 */
  38
  39 /** \file
  40  *
  41  *  USB Device Descriptors, for library use when in USB device mode. Descriptors are special
  42  *  computer-readable structures which the host requests upon device enumeration, to determine
  43  *  the device's capabilities and functions.
  44  */
  45
  46 #include "Descriptors.h"
  47
  48
  49 /*******************************************************************************
  50  * HID Report Descriptors
  51  ******************************************************************************/
  52 const USB_Descriptor_HIDReport_Datatype_t PROGMEM KeyboardReport[] =
  53 {
  54     HID_RI_USAGE_PAGE(8, 0x01), /* Generic Desktop */
  55     HID_RI_USAGE(8, 0x06), /* Keyboard */
  56     HID_RI_COLLECTION(8, 0x01), /* Application */
  57         HID_RI_USAGE_PAGE(8, 0x07), /* Key Codes */
  58         HID_RI_USAGE_MINIMUM(8, 0xE0), /* Keyboard Left Control */
  59         HID_RI_USAGE_MAXIMUM(8, 0xE7), /* Keyboard Right GUI */
  60         HID_RI_LOGICAL_MINIMUM(8, 0x00),
  61         HID_RI_LOGICAL_MAXIMUM(8, 0x01),
  62         HID_RI_REPORT_SIZE(8, 0x01),
  63         HID_RI_REPORT_COUNT(8, 0x08),
  64         HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
  65         HID_RI_REPORT_COUNT(8, 0x01),
  66         HID_RI_REPORT_SIZE(8, 0x08),
  67         HID_RI_INPUT(8, HID_IOF_CONSTANT),
  68         HID_RI_USAGE_PAGE(8, 0x08), /* LEDs */
  69         HID_RI_USAGE_MINIMUM(8, 0x01), /* Num Lock */
  70         HID_RI_USAGE_MAXIMUM(8, 0x05), /* Kana */
  71         HID_RI_REPORT_COUNT(8, 0x05),
  72         HID_RI_REPORT_SIZE(8, 0x01),
  73         HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
  74         HID_RI_REPORT_COUNT(8, 0x01),
  75         HID_RI_REPORT_SIZE(8, 0x03),
  76         HID_RI_OUTPUT(8, HID_IOF_CONSTANT),
  77         HID_RI_LOGICAL_MINIMUM(8, 0x00),
  78         HID_RI_LOGICAL_MAXIMUM(8, 0x65),
  79         HID_RI_USAGE_PAGE(8, 0x07), /* Keyboard */
  80         HID_RI_USAGE_MINIMUM(8, 0x00), /* Reserved (no event indicated) */
  81         HID_RI_USAGE_MAXIMUM(8, 0x65), /* Keyboard Application */
  82         HID_RI_REPORT_COUNT(8, 0x06),
  83         HID_RI_REPORT_SIZE(8, 0x08),
  84         HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_ARRAY | HID_IOF_ABSOLUTE),
  85     HID_RI_END_COLLECTION(0),
  86 };
  87
  88 const USB_Descriptor_HIDReport_Datatype_t PROGMEM MouseReport[] =
  89 {
  90     HID_RI_USAGE_PAGE(8, 0x01), /* Generic Desktop */
  91     HID_RI_USAGE(8, 0x02), /* Mouse */
  92     HID_RI_COLLECTION(8, 0x01), /* Application */
  93         HID_RI_USAGE(8, 0x01), /* Pointer */
  94         HID_RI_COLLECTION(8, 0x00), /* Physical */
  95             HID_RI_USAGE_PAGE(8, 0x09), /* Button */
  96             HID_RI_USAGE_MINIMUM(8, 0x01),
  97             HID_RI_USAGE_MAXIMUM(8, 0x03),
  98             HID_RI_LOGICAL_MINIMUM(8, 0x00),
  99             HID_RI_LOGICAL_MAXIMUM(8, 0x01),
 100             HID_RI_REPORT_COUNT(8, 0x03),
 101             HID_RI_REPORT_SIZE(8, 0x01),
 102             HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
 103             HID_RI_REPORT_COUNT(8, 0x01),
 104             HID_RI_REPORT_SIZE(8, 0x05),
 105             HID_RI_INPUT(8, HID_IOF_CONSTANT),
 106             HID_RI_USAGE_PAGE(8, 0x01), /* Generic Desktop */
 107             HID_RI_USAGE(8, 0x30), /* Usage X */
 108             HID_RI_USAGE(8, 0x31), /* Usage Y */
 109             HID_RI_LOGICAL_MINIMUM(8, -1),
 110             HID_RI_LOGICAL_MAXIMUM(8, 1),
 111             HID_RI_PHYSICAL_MINIMUM(8, -1),
 112             HID_RI_PHYSICAL_MAXIMUM(8, 1),
 113             HID_RI_REPORT_COUNT(8, 0x02),
 114             HID_RI_REPORT_SIZE(8, 0x08),
 115             HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_RELATIVE),
 116         HID_RI_END_COLLECTION(0),
 117     HID_RI_END_COLLECTION(0),
 118 };
 119
 120 const USB_Descriptor_HIDReport_Datatype_t PROGMEM GenericReport[] =
 121 {
 122     HID_RI_USAGE_PAGE(16, 0xFF00), /* Vendor Page 0 */
 123     HID_RI_USAGE(8, 0x01), /* Vendor Usage 1 */
 124     HID_RI_COLLECTION(8, 0x01), /* Vendor Usage 1 */
 125         HID_RI_USAGE(8, 0x02), /* Vendor Usage 2 */
 126         HID_RI_LOGICAL_MINIMUM(8, 0x00),
 127         HID_RI_LOGICAL_MAXIMUM(8, 0xFF),
 128         HID_RI_REPORT_SIZE(8, 0x08),
 129         HID_RI_REPORT_COUNT(8, GENERIC_REPORT_SIZE),
 130         HID_RI_INPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE),
 131         HID_RI_USAGE(8, 0x03), /* Vendor Usage 3 */
 132         HID_RI_LOGICAL_MINIMUM(8, 0x00),
 133         HID_RI_LOGICAL_MAXIMUM(8, 0xFF),
 134         HID_RI_REPORT_SIZE(8, 0x08),
 135         HID_RI_REPORT_COUNT(8, GENERIC_REPORT_SIZE),
 136         HID_RI_OUTPUT(8, HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE | HID_IOF_NON_VOLATILE),
 137     HID_RI_END_COLLECTION(0),
 138 };
 139
 140
 141 /*******************************************************************************
 142  * Device Descriptors
 143  ******************************************************************************/
 144 const USB_Descriptor_Device_t PROGMEM DeviceDescriptor =
 145 {
 146     .Header                 = {.Size = sizeof(USB_Descriptor_Device_t), .Type = DTYPE_Device},
 147
 148     .USBSpecification       = VERSION_BCD(01.10),
 149     .Class                  = USB_CSCP_NoDeviceClass,
 150     .SubClass               = USB_CSCP_NoDeviceSubclass,
 151     .Protocol               = USB_CSCP_NoDeviceProtocol,
 152
 153     .Endpoint0Size          = FIXED_CONTROL_ENDPOINT_SIZE,
 154
 155     .VendorID               = 0xFEED,
 156     .ProductID              = 0x204D,
 157     .ReleaseNumber          = VERSION_BCD(00.02),
 158
 159     .ManufacturerStrIndex   = 0x01,
 160     .ProductStrIndex        = 0x02,
 161     .SerialNumStrIndex      = NO_DESCRIPTOR,
 162
 163     .NumberOfConfigurations = FIXED_NUM_CONFIGURATIONS
 164 };
 165
 166 /*******************************************************************************
 167  * Configuration Descriptors
 168  ******************************************************************************/
 169 const USB_Descriptor_Configuration_t PROGMEM ConfigurationDescriptor =
 170 {
 171     .Config =
 172         {
 173             .Header                 = {.Size = sizeof(USB_Descriptor_Configuration_Header_t), .Type = DTYPE_Configuration},
 174
 175             .TotalConfigurationSize = sizeof(USB_Descriptor_Configuration_t),
 176             .TotalInterfaces        = 3,
 177
 178             .ConfigurationNumber    = 1,
 179             .ConfigurationStrIndex  = NO_DESCRIPTOR,
 180
 181             .ConfigAttributes       = (USB_CONFIG_ATTR_RESERVED | USB_CONFIG_ATTR_SELFPOWERED), //TODO: bus powered?
 182
 183             .MaxPowerConsumption    = USB_CONFIG_POWER_MA(100)
 184         },
 185
 186         /*
 187          * Keyboard
 188          */
 189     .HID1_KeyboardInterface =
 190         {
 191             .Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
 192
 193             .InterfaceNumber        = 0x00,
 194             .AlternateSetting       = 0x00,
 195
 196             .TotalEndpoints         = 2,
 197
 198             .Class                  = HID_CSCP_HIDClass,
 199             .SubClass               = HID_CSCP_BootSubclass,
 200             .Protocol               = HID_CSCP_KeyboardBootProtocol,
 201
 202             .InterfaceStrIndex      = NO_DESCRIPTOR
 203         },
 204
 205     .HID1_KeyboardHID =
 206         {
 207             .Header                 = {.Size = sizeof(USB_HID_Descriptor_HID_t), .Type = HID_DTYPE_HID},
 208
 209             .HIDSpec                = VERSION_BCD(01.11),
 210             .CountryCode            = 0x00,
 211             .TotalReportDescriptors = 1,
 212             .HIDReportType          = HID_DTYPE_Report,
 213             .HIDReportLength        = sizeof(KeyboardReport)
 214         },
 215
 216     .HID1_ReportINEndpoint =
 217         {
 218             .Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 219
 220             .EndpointAddress        = (ENDPOINT_DIR_IN | KEYBOARD_IN_EPNUM),
 221             .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 222             .EndpointSize           = HID_EPSIZE,
 223             .PollingIntervalMS      = 0x01
 224         },
 225
 226     .HID1_ReportOUTEndpoint =
 227         {
 228             .Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 229
 230             .EndpointAddress        = (ENDPOINT_DIR_OUT | KEYBOARD_OUT_EPNUM),
 231             .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 232             .EndpointSize           = HID_EPSIZE,
 233             .PollingIntervalMS      = 0x01
 234         },
 235
 236     /*
 237      * Mouse
 238      */
 239     .HID2_MouseInterface =
 240         {
 241             .Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
 242
 243             .InterfaceNumber        = 0x01,
 244             .AlternateSetting       = 0x00,
 245
 246             .TotalEndpoints         = 1,
 247
 248             .Class                  = HID_CSCP_HIDClass,
 249             .SubClass               = HID_CSCP_BootSubclass,
 250             .Protocol               = HID_CSCP_MouseBootProtocol,
 251
 252             .InterfaceStrIndex      = NO_DESCRIPTOR
 253         },
 254
 255     .HID2_MouseHID =
 256         {
 257             .Header                 = {.Size = sizeof(USB_HID_Descriptor_HID_t), .Type = HID_DTYPE_HID},
 258
 259             .HIDSpec                = VERSION_BCD(01.11),
 260             .CountryCode            = 0x00,
 261             .TotalReportDescriptors = 1,
 262             .HIDReportType          = HID_DTYPE_Report,
 263             .HIDReportLength        = sizeof(MouseReport)
 264         },
 265
 266     .HID2_ReportINEndpoint =
 267         {
 268             .Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 269
 270             .EndpointAddress        = (ENDPOINT_DIR_IN | MOUSE_IN_EPNUM),
 271             .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 272             .EndpointSize           = HID_EPSIZE,
 273             .PollingIntervalMS      = 0x01
 274         },
 275
 276     /*
 277      * Generic
 278      */
 279     .HID3_GenericInterface =
 280         {
 281             .Header                 = {.Size = sizeof(USB_Descriptor_Interface_t), .Type = DTYPE_Interface},
 282
 283             .InterfaceNumber        = 0x02,
 284             .AlternateSetting       = 0x00,
 285
 286             .TotalEndpoints         = 2,
 287
 288             .Class                  = HID_CSCP_HIDClass,
 289             .SubClass               = HID_CSCP_NonBootSubclass,
 290             .Protocol               = HID_CSCP_NonBootProtocol,
 291
 292             .InterfaceStrIndex      = NO_DESCRIPTOR
 293         },
 294
 295     .HID3_GenericHID =
 296         {
 297             .Header                 = {.Size = sizeof(USB_HID_Descriptor_HID_t), .Type = HID_DTYPE_HID},
 298
 299             .HIDSpec                = VERSION_BCD(01.11),
 300             .CountryCode            = 0x00,
 301             .TotalReportDescriptors = 1,
 302             .HIDReportType          = HID_DTYPE_Report,
 303             .HIDReportLength        = sizeof(GenericReport)
 304         },
 305
 306     .HID3_ReportINEndpoint =
 307         {
 308             .Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 309
 310             .EndpointAddress        = (ENDPOINT_DIR_IN | GENERIC_IN_EPNUM),
 311             .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 312             .EndpointSize           = GENERIC_EPSIZE,
 313             .PollingIntervalMS      = 0x01
 314         },
 315
 316     .HID3_ReportOUTEndpoint =
 317         {
 318             .Header                 = {.Size = sizeof(USB_Descriptor_Endpoint_t), .Type = DTYPE_Endpoint},
 319
 320             .EndpointAddress        = (ENDPOINT_DIR_OUT | GENERIC_OUT_EPNUM),
 321             .Attributes             = (EP_TYPE_INTERRUPT | ENDPOINT_ATTR_NO_SYNC | ENDPOINT_USAGE_DATA),
 322             .EndpointSize           = GENERIC_EPSIZE,
 323             .PollingIntervalMS      = 0x01
 324         }
 325 };
 326
 327
 328 /*******************************************************************************
 329  * String Descriptors
 330  ******************************************************************************/
 331 const USB_Descriptor_String_t PROGMEM LanguageString =
 332 {
 333     .Header                 = {.Size = USB_STRING_LEN(1), .Type = DTYPE_String},
 334
 335     .UnicodeString          = {LANGUAGE_ID_ENG}
 336 };
 337
 338 const USB_Descriptor_String_t PROGMEM ManufacturerString =
 339 {
 340     .Header                 = {.Size = USB_STRING_LEN(11), .Type = DTYPE_String},
 341
 342     .UnicodeString          = L"Dean Camera"    // TODO:
 343 };
 344
 345 const USB_Descriptor_String_t PROGMEM ProductString =
 346 {
 347     .Header                 = {.Size = USB_STRING_LEN(28), .Type = DTYPE_String},
 348
 349     .UnicodeString          = L"LUFA Mouse and Keyboard Demo"   // TODO:
 350 };
 351
 352
 353 /** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors"
 354  *  documentation) by the application code so that the address and size of a requested descriptor can be given
 355  *  to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function
 356  *  is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the
 357  *  USB host.
 358  */
 359 uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
 360                                     const uint8_t wIndex,
 361                                     const void** const DescriptorAddress)
 362 {
 363     const uint8_t  DescriptorType   = (wValue >> 8);
 364     const uint8_t  DescriptorIndex  = (wValue & 0xFF);
 365
 366     const void* Address = NULL;
 367     uint16_t    Size    = NO_DESCRIPTOR;
 368
 369     switch (DescriptorType)
 370     {
 371         case DTYPE_Device:
 372             Address = &DeviceDescriptor;
 373             Size    = sizeof(USB_Descriptor_Device_t);
 374             break;
 375         case DTYPE_Configuration:
 376             Address = &ConfigurationDescriptor;
 377             Size    = sizeof(USB_Descriptor_Configuration_t);
 378             break;
 379         case DTYPE_String:
 380             switch (DescriptorIndex )
 381             {
 382                 case 0x00:
 383                     Address = &LanguageString;
 384                     Size    = pgm_read_byte(&LanguageString.Header.Size);
 385                     break;
 386                 case 0x01:
 387                     Address = &ManufacturerString;
 388                     Size    = pgm_read_byte(&ManufacturerString.Header.Size);
 389                     break;
 390                 case 0x02:
 391                     Address = &ProductString;
 392                     Size    = pgm_read_byte(&ProductString.Header.Size);
 393                     break;
 394             }
 395             break;
 396         case HID_DTYPE_HID:
 397             switch (wIndex) {
 398             case 0:
 399                 Address = &ConfigurationDescriptor.HID1_KeyboardHID;
 400                 Size    = sizeof(USB_HID_Descriptor_HID_t);
 401                 break;
 402             case 1:
 403                 Address = &ConfigurationDescriptor.HID2_MouseHID;
 404                 Size    = sizeof(USB_HID_Descriptor_HID_t);
 405                 break;
 406             case 2:
 407                 Address = &ConfigurationDescriptor.HID3_GenericHID;
 408                 Size    = sizeof(USB_HID_Descriptor_HID_t);
 409                 break;
 410             }
 411             break;
 412         case HID_DTYPE_Report:
 413             switch (wIndex) {
 414             case 0:
 415                 Address = &KeyboardReport;
 416                 Size    = sizeof(KeyboardReport);
 417                 break;
 418             case 1:
 419                 Address = &MouseReport;
 420                 Size    = sizeof(MouseReport);
 421                 break;
 422             case 2:
 423                 Address = &GenericReport;
 424                 Size    = sizeof(GenericReport);
 425                 break;
 426             }
 427             break;
 428     }
 429
 430     *DescriptorAddress = Address;
 431     return Size;
 432 }