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USB device stack
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USBKeyboard.cpp
00001 /* Copyright (c) 2010-2011 mbed.org, MIT License 00002 * 00003 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 00004 * and associated documentation files (the "Software"), to deal in the Software without 00005 * restriction, including without limitation the rights to use, copy, modify, merge, publish, 00006 * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the 00007 * Software is furnished to do so, subject to the following conditions: 00008 * 00009 * The above copyright notice and this permission notice shall be included in all copies or 00010 * substantial portions of the Software. 00011 * 00012 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 00013 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 00014 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 00015 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00016 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 00017 */ 00018 00019 #include "stdint.h" 00020 00021 #include "USBKeyboard.h" 00022 00023 #define REPORT_ID_KEYBOARD 1 00024 #define REPORT_ID_VOLUME 3 00025 00026 00027 typedef struct { 00028 unsigned char usage; 00029 unsigned char modifier; 00030 } KEYMAP; 00031 00032 #ifdef US_KEYBOARD 00033 /* US keyboard (as HID standard) */ 00034 #define KEYMAP_SIZE (152) 00035 const KEYMAP keymap[KEYMAP_SIZE] = { 00036 {0, 0}, /* NUL */ 00037 {0, 0}, /* SOH */ 00038 {0, 0}, /* STX */ 00039 {0, 0}, /* ETX */ 00040 {0, 0}, /* EOT */ 00041 {0, 0}, /* ENQ */ 00042 {0, 0}, /* ACK */ 00043 {0, 0}, /* BEL */ 00044 {0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */ 00045 {0x2b, 0}, /* TAB */ /* Keyboard Tab */ 00046 {0x28, 0}, /* LF */ /* Keyboard Return (Enter) */ 00047 {0, 0}, /* VT */ 00048 {0, 0}, /* FF */ 00049 {0, 0}, /* CR */ 00050 {0, 0}, /* SO */ 00051 {0, 0}, /* SI */ 00052 {0, 0}, /* DEL */ 00053 {0, 0}, /* DC1 */ 00054 {0, 0}, /* DC2 */ 00055 {0, 0}, /* DC3 */ 00056 {0, 0}, /* DC4 */ 00057 {0, 0}, /* NAK */ 00058 {0, 0}, /* SYN */ 00059 {0, 0}, /* ETB */ 00060 {0, 0}, /* CAN */ 00061 {0, 0}, /* EM */ 00062 {0, 0}, /* SUB */ 00063 {0, 0}, /* ESC */ 00064 {0, 0}, /* FS */ 00065 {0, 0}, /* GS */ 00066 {0, 0}, /* RS */ 00067 {0, 0}, /* US */ 00068 {0x2c, 0}, /* */ 00069 {0x1e, KEY_SHIFT}, /* ! */ 00070 {0x34, KEY_SHIFT}, /* " */ 00071 {0x20, KEY_SHIFT}, /* # */ 00072 {0x21, KEY_SHIFT}, /* $ */ 00073 {0x22, KEY_SHIFT}, /* % */ 00074 {0x24, KEY_SHIFT}, /* & */ 00075 {0x34, 0}, /* ' */ 00076 {0x26, KEY_SHIFT}, /* ( */ 00077 {0x27, KEY_SHIFT}, /* ) */ 00078 {0x25, KEY_SHIFT}, /* * */ 00079 {0x2e, KEY_SHIFT}, /* + */ 00080 {0x36, 0}, /* , */ 00081 {0x2d, 0}, /* - */ 00082 {0x37, 0}, /* . */ 00083 {0x38, 0}, /* / */ 00084 {0x27, 0}, /* 0 */ 00085 {0x1e, 0}, /* 1 */ 00086 {0x1f, 0}, /* 2 */ 00087 {0x20, 0}, /* 3 */ 00088 {0x21, 0}, /* 4 */ 00089 {0x22, 0}, /* 5 */ 00090 {0x23, 0}, /* 6 */ 00091 {0x24, 0}, /* 7 */ 00092 {0x25, 0}, /* 8 */ 00093 {0x26, 0}, /* 9 */ 00094 {0x33, KEY_SHIFT}, /* : */ 00095 {0x33, 0}, /* ; */ 00096 {0x36, KEY_SHIFT}, /* < */ 00097 {0x2e, 0}, /* = */ 00098 {0x37, KEY_SHIFT}, /* > */ 00099 {0x38, KEY_SHIFT}, /* ? */ 00100 {0x1f, KEY_SHIFT}, /* @ */ 00101 {0x04, KEY_SHIFT}, /* A */ 00102 {0x05, KEY_SHIFT}, /* B */ 00103 {0x06, KEY_SHIFT}, /* C */ 00104 {0x07, KEY_SHIFT}, /* D */ 00105 {0x08, KEY_SHIFT}, /* E */ 00106 {0x09, KEY_SHIFT}, /* F */ 00107 {0x0a, KEY_SHIFT}, /* G */ 00108 {0x0b, KEY_SHIFT}, /* H */ 00109 {0x0c, KEY_SHIFT}, /* I */ 00110 {0x0d, KEY_SHIFT}, /* J */ 00111 {0x0e, KEY_SHIFT}, /* K */ 00112 {0x0f, KEY_SHIFT}, /* L */ 00113 {0x10, KEY_SHIFT}, /* M */ 00114 {0x11, KEY_SHIFT}, /* N */ 00115 {0x12, KEY_SHIFT}, /* O */ 00116 {0x13, KEY_SHIFT}, /* P */ 00117 {0x14, KEY_SHIFT}, /* Q */ 00118 {0x15, KEY_SHIFT}, /* R */ 00119 {0x16, KEY_SHIFT}, /* S */ 00120 {0x17, KEY_SHIFT}, /* T */ 00121 {0x18, KEY_SHIFT}, /* U */ 00122 {0x19, KEY_SHIFT}, /* V */ 00123 {0x1a, KEY_SHIFT}, /* W */ 00124 {0x1b, KEY_SHIFT}, /* X */ 00125 {0x1c, KEY_SHIFT}, /* Y */ 00126 {0x1d, KEY_SHIFT}, /* Z */ 00127 {0x2f, 0}, /* [ */ 00128 {0x31, 0}, /* \ */ 00129 {0x30, 0}, /* ] */ 00130 {0x23, KEY_SHIFT}, /* ^ */ 00131 {0x2d, KEY_SHIFT}, /* _ */ 00132 {0x35, 0}, /* ` */ 00133 {0x04, 0}, /* a */ 00134 {0x05, 0}, /* b */ 00135 {0x06, 0}, /* c */ 00136 {0x07, 0}, /* d */ 00137 {0x08, 0}, /* e */ 00138 {0x09, 0}, /* f */ 00139 {0x0a, 0}, /* g */ 00140 {0x0b, 0}, /* h */ 00141 {0x0c, 0}, /* i */ 00142 {0x0d, 0}, /* j */ 00143 {0x0e, 0}, /* k */ 00144 {0x0f, 0}, /* l */ 00145 {0x10, 0}, /* m */ 00146 {0x11, 0}, /* n */ 00147 {0x12, 0}, /* o */ 00148 {0x13, 0}, /* p */ 00149 {0x14, 0}, /* q */ 00150 {0x15, 0}, /* r */ 00151 {0x16, 0}, /* s */ 00152 {0x17, 0}, /* t */ 00153 {0x18, 0}, /* u */ 00154 {0x19, 0}, /* v */ 00155 {0x1a, 0}, /* w */ 00156 {0x1b, 0}, /* x */ 00157 {0x1c, 0}, /* y */ 00158 {0x1d, 0}, /* z */ 00159 {0x2f, KEY_SHIFT}, /* { */ 00160 {0x31, KEY_SHIFT}, /* | */ 00161 {0x30, KEY_SHIFT}, /* } */ 00162 {0x35, KEY_SHIFT}, /* ~ */ 00163 {0,0}, /* DEL */ 00164 00165 {0x3a, 0}, /* F1 */ 00166 {0x3b, 0}, /* F2 */ 00167 {0x3c, 0}, /* F3 */ 00168 {0x3d, 0}, /* F4 */ 00169 {0x3e, 0}, /* F5 */ 00170 {0x3f, 0}, /* F6 */ 00171 {0x40, 0}, /* F7 */ 00172 {0x41, 0}, /* F8 */ 00173 {0x42, 0}, /* F9 */ 00174 {0x43, 0}, /* F10 */ 00175 {0x44, 0}, /* F11 */ 00176 {0x45, 0}, /* F12 */ 00177 00178 {0x46, 0}, /* PRINT_SCREEN */ 00179 {0x47, 0}, /* SCROLL_LOCK */ 00180 {0x39, 0}, /* CAPS_LOCK */ 00181 {0x53, 0}, /* NUM_LOCK */ 00182 {0x49, 0}, /* INSERT */ 00183 {0x4a, 0}, /* HOME */ 00184 {0x4b, 0}, /* PAGE_UP */ 00185 {0x4e, 0}, /* PAGE_DOWN */ 00186 00187 {0x4f, 0}, /* RIGHT_ARROW */ 00188 {0x50, 0}, /* LEFT_ARROW */ 00189 {0x51, 0}, /* DOWN_ARROW */ 00190 {0x52, 0}, /* UP_ARROW */ 00191 }; 00192 00193 #else 00194 /* UK keyboard */ 00195 #define KEYMAP_SIZE (152) 00196 const KEYMAP keymap[KEYMAP_SIZE] = { 00197 {0, 0}, /* NUL */ 00198 {0, 0}, /* SOH */ 00199 {0, 0}, /* STX */ 00200 {0, 0}, /* ETX */ 00201 {0, 0}, /* EOT */ 00202 {0, 0}, /* ENQ */ 00203 {0, 0}, /* ACK */ 00204 {0, 0}, /* BEL */ 00205 {0x2a, 0}, /* BS */ /* Keyboard Delete (Backspace) */ 00206 {0x2b, 0}, /* TAB */ /* Keyboard Tab */ 00207 {0x28, 0}, /* LF */ /* Keyboard Return (Enter) */ 00208 {0, 0}, /* VT */ 00209 {0, 0}, /* FF */ 00210 {0, 0}, /* CR */ 00211 {0, 0}, /* SO */ 00212 {0, 0}, /* SI */ 00213 {0, 0}, /* DEL */ 00214 {0, 0}, /* DC1 */ 00215 {0, 0}, /* DC2 */ 00216 {0, 0}, /* DC3 */ 00217 {0, 0}, /* DC4 */ 00218 {0, 0}, /* NAK */ 00219 {0, 0}, /* SYN */ 00220 {0, 0}, /* ETB */ 00221 {0, 0}, /* CAN */ 00222 {0, 0}, /* EM */ 00223 {0, 0}, /* SUB */ 00224 {0, 0}, /* ESC */ 00225 {0, 0}, /* FS */ 00226 {0, 0}, /* GS */ 00227 {0, 0}, /* RS */ 00228 {0, 0}, /* US */ 00229 {0x2c, 0}, /* */ 00230 {0x1e, KEY_SHIFT}, /* ! */ 00231 {0x1f, KEY_SHIFT}, /* " */ 00232 {0x32, 0}, /* # */ 00233 {0x21, KEY_SHIFT}, /* $ */ 00234 {0x22, KEY_SHIFT}, /* % */ 00235 {0x24, KEY_SHIFT}, /* & */ 00236 {0x34, 0}, /* ' */ 00237 {0x26, KEY_SHIFT}, /* ( */ 00238 {0x27, KEY_SHIFT}, /* ) */ 00239 {0x25, KEY_SHIFT}, /* * */ 00240 {0x2e, KEY_SHIFT}, /* + */ 00241 {0x36, 0}, /* , */ 00242 {0x2d, 0}, /* - */ 00243 {0x37, 0}, /* . */ 00244 {0x38, 0}, /* / */ 00245 {0x27, 0}, /* 0 */ 00246 {0x1e, 0}, /* 1 */ 00247 {0x1f, 0}, /* 2 */ 00248 {0x20, 0}, /* 3 */ 00249 {0x21, 0}, /* 4 */ 00250 {0x22, 0}, /* 5 */ 00251 {0x23, 0}, /* 6 */ 00252 {0x24, 0}, /* 7 */ 00253 {0x25, 0}, /* 8 */ 00254 {0x26, 0}, /* 9 */ 00255 {0x33, KEY_SHIFT}, /* : */ 00256 {0x33, 0}, /* ; */ 00257 {0x36, KEY_SHIFT}, /* < */ 00258 {0x2e, 0}, /* = */ 00259 {0x37, KEY_SHIFT}, /* > */ 00260 {0x38, KEY_SHIFT}, /* ? */ 00261 {0x34, KEY_SHIFT}, /* @ */ 00262 {0x04, KEY_SHIFT}, /* A */ 00263 {0x05, KEY_SHIFT}, /* B */ 00264 {0x06, KEY_SHIFT}, /* C */ 00265 {0x07, KEY_SHIFT}, /* D */ 00266 {0x08, KEY_SHIFT}, /* E */ 00267 {0x09, KEY_SHIFT}, /* F */ 00268 {0x0a, KEY_SHIFT}, /* G */ 00269 {0x0b, KEY_SHIFT}, /* H */ 00270 {0x0c, KEY_SHIFT}, /* I */ 00271 {0x0d, KEY_SHIFT}, /* J */ 00272 {0x0e, KEY_SHIFT}, /* K */ 00273 {0x0f, KEY_SHIFT}, /* L */ 00274 {0x10, KEY_SHIFT}, /* M */ 00275 {0x11, KEY_SHIFT}, /* N */ 00276 {0x12, KEY_SHIFT}, /* O */ 00277 {0x13, KEY_SHIFT}, /* P */ 00278 {0x14, KEY_SHIFT}, /* Q */ 00279 {0x15, KEY_SHIFT}, /* R */ 00280 {0x16, KEY_SHIFT}, /* S */ 00281 {0x17, KEY_SHIFT}, /* T */ 00282 {0x18, KEY_SHIFT}, /* U */ 00283 {0x19, KEY_SHIFT}, /* V */ 00284 {0x1a, KEY_SHIFT}, /* W */ 00285 {0x1b, KEY_SHIFT}, /* X */ 00286 {0x1c, KEY_SHIFT}, /* Y */ 00287 {0x1d, KEY_SHIFT}, /* Z */ 00288 {0x2f, 0}, /* [ */ 00289 {0x64, 0}, /* \ */ 00290 {0x30, 0}, /* ] */ 00291 {0x23, KEY_SHIFT}, /* ^ */ 00292 {0x2d, KEY_SHIFT}, /* _ */ 00293 {0x35, 0}, /* ` */ 00294 {0x04, 0}, /* a */ 00295 {0x05, 0}, /* b */ 00296 {0x06, 0}, /* c */ 00297 {0x07, 0}, /* d */ 00298 {0x08, 0}, /* e */ 00299 {0x09, 0}, /* f */ 00300 {0x0a, 0}, /* g */ 00301 {0x0b, 0}, /* h */ 00302 {0x0c, 0}, /* i */ 00303 {0x0d, 0}, /* j */ 00304 {0x0e, 0}, /* k */ 00305 {0x0f, 0}, /* l */ 00306 {0x10, 0}, /* m */ 00307 {0x11, 0}, /* n */ 00308 {0x12, 0}, /* o */ 00309 {0x13, 0}, /* p */ 00310 {0x14, 0}, /* q */ 00311 {0x15, 0}, /* r */ 00312 {0x16, 0}, /* s */ 00313 {0x17, 0}, /* t */ 00314 {0x18, 0}, /* u */ 00315 {0x19, 0}, /* v */ 00316 {0x1a, 0}, /* w */ 00317 {0x1b, 0}, /* x */ 00318 {0x1c, 0}, /* y */ 00319 {0x1d, 0}, /* z */ 00320 {0x2f, KEY_SHIFT}, /* { */ 00321 {0x64, KEY_SHIFT}, /* | */ 00322 {0x30, KEY_SHIFT}, /* } */ 00323 {0x32, KEY_SHIFT}, /* ~ */ 00324 {0,0}, /* DEL */ 00325 00326 {0x3a, 0}, /* F1 */ 00327 {0x3b, 0}, /* F2 */ 00328 {0x3c, 0}, /* F3 */ 00329 {0x3d, 0}, /* F4 */ 00330 {0x3e, 0}, /* F5 */ 00331 {0x3f, 0}, /* F6 */ 00332 {0x40, 0}, /* F7 */ 00333 {0x41, 0}, /* F8 */ 00334 {0x42, 0}, /* F9 */ 00335 {0x43, 0}, /* F10 */ 00336 {0x44, 0}, /* F11 */ 00337 {0x45, 0}, /* F12 */ 00338 00339 {0x46, 0}, /* PRINT_SCREEN */ 00340 {0x47, 0}, /* SCROLL_LOCK */ 00341 {0x39, 0}, /* CAPS_LOCK */ 00342 {0x53, 0}, /* NUM_LOCK */ 00343 {0x49, 0}, /* INSERT */ 00344 {0x4a, 0}, /* HOME */ 00345 {0x4b, 0}, /* PAGE_UP */ 00346 {0x4e, 0}, /* PAGE_DOWN */ 00347 00348 {0x4f, 0}, /* RIGHT_ARROW */ 00349 {0x50, 0}, /* LEFT_ARROW */ 00350 {0x51, 0}, /* DOWN_ARROW */ 00351 {0x52, 0}, /* UP_ARROW */ 00352 }; 00353 #endif 00354 00355 uint8_t * USBKeyboard::reportDesc() { 00356 static uint8_t reportDescriptor[] = { 00357 USAGE_PAGE(1), 0x01, // Generic Desktop 00358 USAGE(1), 0x06, // Keyboard 00359 COLLECTION(1), 0x01, // Application 00360 REPORT_ID(1), REPORT_ID_KEYBOARD, 00361 00362 USAGE_PAGE(1), 0x07, // Key Codes 00363 USAGE_MINIMUM(1), 0xE0, 00364 USAGE_MAXIMUM(1), 0xE7, 00365 LOGICAL_MINIMUM(1), 0x00, 00366 LOGICAL_MAXIMUM(1), 0x01, 00367 REPORT_SIZE(1), 0x01, 00368 REPORT_COUNT(1), 0x08, 00369 INPUT(1), 0x02, // Data, Variable, Absolute 00370 REPORT_COUNT(1), 0x01, 00371 REPORT_SIZE(1), 0x08, 00372 INPUT(1), 0x01, // Constant 00373 00374 00375 REPORT_COUNT(1), 0x05, 00376 REPORT_SIZE(1), 0x01, 00377 USAGE_PAGE(1), 0x08, // LEDs 00378 USAGE_MINIMUM(1), 0x01, 00379 USAGE_MAXIMUM(1), 0x05, 00380 OUTPUT(1), 0x02, // Data, Variable, Absolute 00381 REPORT_COUNT(1), 0x01, 00382 REPORT_SIZE(1), 0x03, 00383 OUTPUT(1), 0x01, // Constant 00384 00385 00386 REPORT_COUNT(1), 0x06, 00387 REPORT_SIZE(1), 0x08, 00388 LOGICAL_MINIMUM(1), 0x00, 00389 LOGICAL_MAXIMUM(1), 0x65, 00390 USAGE_PAGE(1), 0x07, // Key Codes 00391 USAGE_MINIMUM(1), 0x00, 00392 USAGE_MAXIMUM(1), 0x65, 00393 INPUT(1), 0x00, // Data, Array 00394 END_COLLECTION(0), 00395 00396 // Media Control 00397 USAGE_PAGE(1), 0x0C, 00398 USAGE(1), 0x01, 00399 COLLECTION(1), 0x01, 00400 REPORT_ID(1), REPORT_ID_VOLUME, 00401 USAGE_PAGE(1), 0x0C, 00402 LOGICAL_MINIMUM(1), 0x00, 00403 LOGICAL_MAXIMUM(1), 0x01, 00404 REPORT_SIZE(1), 0x01, 00405 REPORT_COUNT(1), 0x07, 00406 USAGE(1), 0xB5, // Next Track 00407 USAGE(1), 0xB6, // Previous Track 00408 USAGE(1), 0xB7, // Stop 00409 USAGE(1), 0xCD, // Play / Pause 00410 USAGE(1), 0xE2, // Mute 00411 USAGE(1), 0xE9, // Volume Up 00412 USAGE(1), 0xEA, // Volume Down 00413 INPUT(1), 0x02, // Input (Data, Variable, Absolute) 00414 REPORT_COUNT(1), 0x01, 00415 INPUT(1), 0x01, 00416 END_COLLECTION(0), 00417 }; 00418 reportLength = sizeof(reportDescriptor); 00419 return reportDescriptor; 00420 } 00421 00422 00423 bool USBKeyboard::EPINT_OUT_callback() { 00424 uint32_t bytesRead = 0; 00425 uint8_t led[65]; 00426 USBDevice::readEP(EPINT_OUT, led, &bytesRead, MAX_HID_REPORT_SIZE); 00427 00428 // we take led[1] because led[0] is the report ID 00429 lock_status = led[1] & 0x07; 00430 00431 // We activate the endpoint to be able to recceive data 00432 if (!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) 00433 return false; 00434 return true; 00435 } 00436 00437 uint8_t USBKeyboard::lockStatus() { 00438 return lock_status; 00439 } 00440 00441 int USBKeyboard::_putc(int c) { 00442 return keyCode(c, keymap[c].modifier); 00443 } 00444 00445 bool USBKeyboard::keyCode(uint8_t key, uint8_t modifier) { 00446 // Send a simulated keyboard keypress. Returns true if successful. 00447 HID_REPORT report; 00448 00449 report.data[0] = REPORT_ID_KEYBOARD; 00450 report.data[1] = modifier; 00451 report.data[2] = 0; 00452 report.data[3] = keymap[key].usage; 00453 report.data[4] = 0; 00454 report.data[5] = 0; 00455 report.data[6] = 0; 00456 report.data[7] = 0; 00457 report.data[8] = 0; 00458 00459 report.length = 9; 00460 00461 if (!send(&report)) { 00462 return false; 00463 } 00464 00465 report.data[1] = 0; 00466 report.data[3] = 0; 00467 00468 if (!send(&report)) { 00469 return false; 00470 } 00471 00472 return true; 00473 00474 } 00475 00476 00477 bool USBKeyboard::mediaControl(MEDIA_KEY key) { 00478 HID_REPORT report; 00479 00480 report.data[0] = REPORT_ID_VOLUME; 00481 report.data[1] = (1 << key) & 0x7f; 00482 00483 report.length = 2; 00484 00485 if (!send(&report)) { 00486 return false; 00487 } 00488 00489 report.data[0] = REPORT_ID_VOLUME; 00490 report.data[1] = 0; 00491 00492 report.length = 2; 00493 00494 return send(&report); 00495 } 00496 00497 00498 #define DEFAULT_CONFIGURATION (1) 00499 #define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ 00500 + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ 00501 + (1 * HID_DESCRIPTOR_LENGTH) \ 00502 + (2 * ENDPOINT_DESCRIPTOR_LENGTH)) 00503 00504 uint8_t * USBKeyboard::configurationDesc() { 00505 static uint8_t configurationDescriptor[] = { 00506 CONFIGURATION_DESCRIPTOR_LENGTH, // bLength 00507 CONFIGURATION_DESCRIPTOR, // bDescriptorType 00508 LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) 00509 MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) 00510 0x01, // bNumInterfaces 00511 DEFAULT_CONFIGURATION, // bConfigurationValue 00512 0x00, // iConfiguration 00513 C_RESERVED | C_SELF_POWERED, // bmAttributes 00514 C_POWER(0), // bMaxPower 00515 00516 INTERFACE_DESCRIPTOR_LENGTH, // bLength 00517 INTERFACE_DESCRIPTOR, // bDescriptorType 00518 0x00, // bInterfaceNumber 00519 0x00, // bAlternateSetting 00520 0x02, // bNumEndpoints 00521 HID_CLASS, // bInterfaceClass 00522 HID_SUBCLASS_BOOT, // bInterfaceSubClass 00523 HID_PROTOCOL_KEYBOARD, // bInterfaceProtocol 00524 0x00, // iInterface 00525 00526 HID_DESCRIPTOR_LENGTH, // bLength 00527 HID_DESCRIPTOR, // bDescriptorType 00528 LSB(HID_VERSION_1_11), // bcdHID (LSB) 00529 MSB(HID_VERSION_1_11), // bcdHID (MSB) 00530 0x00, // bCountryCode 00531 0x01, // bNumDescriptors 00532 REPORT_DESCRIPTOR, // bDescriptorType 00533 (uint8_t)(LSB(reportDescLength())), // wDescriptorLength (LSB) 00534 (uint8_t)(MSB(reportDescLength())), // wDescriptorLength (MSB) 00535 00536 ENDPOINT_DESCRIPTOR_LENGTH, // bLength 00537 ENDPOINT_DESCRIPTOR, // bDescriptorType 00538 PHY_TO_DESC(EPINT_IN), // bEndpointAddress 00539 E_INTERRUPT, // bmAttributes 00540 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) 00541 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) 00542 1, // bInterval (milliseconds) 00543 00544 ENDPOINT_DESCRIPTOR_LENGTH, // bLength 00545 ENDPOINT_DESCRIPTOR, // bDescriptorType 00546 PHY_TO_DESC(EPINT_OUT), // bEndpointAddress 00547 E_INTERRUPT, // bmAttributes 00548 LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) 00549 MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) 00550 1, // bInterval (milliseconds) 00551 }; 00552 return configurationDescriptor; 00553 }
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