1 /* 2 * Copyright (C) 2014 BlueKitchen GmbH 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the copyright holders nor the names of 14 * contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 4. Any redistribution, use, or modification is done solely for 17 * personal benefit and not for any commercial purpose or for 18 * monetary gain. 19 * 20 * THIS SOFTWARE IS PROVIDED BY BLUEKITCHEN GMBH AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL MATTHIAS 24 * RINGWALD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 30 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * Please inquire about commercial licensing options at 34 * [email protected] 35 * 36 */ 37 38 #define __BTSTACK_FILE__ "hid_device_demo.c" 39 40 // ***************************************************************************** 41 /* EXAMPLE_START(hid_device_demo): HID Device (Server) Demo 42 * 43 * @text This HID Device example demonstrates how to implement 44 * an HID keyboard. Without a HAVE_POSIX_STDIN, a fixed message is sent 45 * If HAVE_POSIX_STDIN is defined, you can control and type from the terminal 46 */ 47 // ***************************************************************************** 48 49 50 #include <stdint.h> 51 #include <stdio.h> 52 #include <stdlib.h> 53 #include <string.h> 54 #include <unistd.h> 55 #include <inttypes.h> 56 57 #include "btstack.h" 58 #ifdef HAVE_POSIX_STDIN 59 #include "stdin_support.h" 60 #endif 61 62 uint8_t hid_service_buffer[250]; 63 const char hid_device_name[] = "BTstack HID Keyboard"; 64 static btstack_packet_callback_registration_t hci_event_callback_registration; 65 66 // hid device state 67 static uint16_t hid_control_cid; 68 static uint16_t hid_interrupt_cid; 69 70 // from USB HID Specification 1.1, Appendix B.1 71 const uint8_t hid_descriptor_keyboard_boot_mode[] = { 72 73 0x05, 0x01, // Usage Page (Generic Desktop) 74 0x09, 0x06, // Usage (Keyboard) 75 0xa1, 0x01, // Collection (Application) 76 77 // Modifier byte 78 79 0x75, 0x01, // Report Size (1) 80 0x95, 0x08, // Report Count (8) 81 0x05, 0x07, // Usage Page (Key codes) 82 0x19, 0xe0, // Usage Minimum (Keyboard LeftControl) 83 0x29, 0xe7, // Usage Maxium (Keyboard Right GUI) 84 0x15, 0x00, // Logical Minimum (0) 85 0x25, 0x01, // Logical Maximum (1) 86 0x81, 0x02, // Input (Data, Variable, Absolute) 87 88 // Reserved byte 89 90 0x75, 0x01, // Report Size (1) 91 0x95, 0x08, // Report Count (8) 92 0x81, 0x03, // Input (Constant, Variable, Absolute) 93 94 // LED report + padding 95 96 0x95, 0x05, // Report Count (5) 97 0x75, 0x01, // Report Size (1) 98 0x05, 0x08, // Usage Page (LEDs) 99 0x19, 0x01, // Usage Minimum (Num Lock) 100 0x29, 0x05, // Usage Maxium (Kana) 101 0x91, 0x02, // Output (Data, Variable, Absolute) 102 103 0x95, 0x01, // Report Count (1) 104 0x75, 0x03, // Report Size (3) 105 0x91, 0x03, // Output (Constant, Variable, Absolute) 106 107 // Keycodes 108 109 0x95, 0x06, // Report Count (6) 110 0x75, 0x08, // Report Size (8) 111 0x15, 0x00, // Logical Minimum (0) 112 0x25, 0xff, // Logical Maximum (1) 113 0x05, 0x07, // Usage Page (Key codes) 114 0x19, 0x00, // Usage Minimum (Reserved (no event indicated)) 115 0x29, 0xff, // Usage Maxium (Reserved) 116 0x81, 0x00, // Input (Data, Array) 117 118 0xc0, // End collection 119 }; 120 121 // 122 123 #define CHAR_ILLEGAL 0xff 124 #define CHAR_RETURN '\n' 125 #define CHAR_ESCAPE 27 126 #define CHAR_TAB '\t' 127 #define CHAR_BACKSPACE 0x7f 128 129 // Simplified US Keyboard with Shift modifier 130 131 /** 132 * English (US) 133 */ 134 static const uint8_t keytable_us_none [] = { 135 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 0-3 */ 136 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', /* 4-13 */ 137 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', /* 14-23 */ 138 'u', 'v', 'w', 'x', 'y', 'z', /* 24-29 */ 139 '1', '2', '3', '4', '5', '6', '7', '8', '9', '0', /* 30-39 */ 140 CHAR_RETURN, CHAR_ESCAPE, CHAR_BACKSPACE, CHAR_TAB, ' ', /* 40-44 */ 141 '-', '=', '[', ']', '\\', CHAR_ILLEGAL, ';', '\'', 0x60, ',', /* 45-54 */ 142 '.', '/', CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 55-60 */ 143 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 61-64 */ 144 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 65-68 */ 145 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 69-72 */ 146 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 73-76 */ 147 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 77-80 */ 148 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 81-84 */ 149 '*', '-', '+', '\n', '1', '2', '3', '4', '5', /* 85-97 */ 150 '6', '7', '8', '9', '0', '.', 0xa7, /* 97-100 */ 151 }; 152 153 static const uint8_t keytable_us_shift[] = { 154 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 0-3 */ 155 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', /* 4-13 */ 156 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', /* 14-23 */ 157 'U', 'V', 'W', 'X', 'Y', 'Z', /* 24-29 */ 158 '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', /* 30-39 */ 159 CHAR_RETURN, CHAR_ESCAPE, CHAR_BACKSPACE, CHAR_TAB, ' ', /* 40-44 */ 160 '_', '+', '{', '}', '|', CHAR_ILLEGAL, ':', '"', 0x7E, '<', /* 45-54 */ 161 '>', '?', CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 55-60 */ 162 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 61-64 */ 163 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 65-68 */ 164 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 69-72 */ 165 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 73-76 */ 166 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 77-80 */ 167 CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, CHAR_ILLEGAL, /* 81-84 */ 168 '*', '-', '+', '\n', '1', '2', '3', '4', '5', /* 85-97 */ 169 '6', '7', '8', '9', '0', '.', 0xb1, /* 97-100 */ 170 }; 171 172 173 void hid_create_sdp_record( 174 uint8_t *service, 175 uint32_t service_record_handle, 176 uint16_t hid_device_subclass, 177 uint8_t hid_country_code, 178 uint8_t hid_virtual_cable, 179 uint8_t hid_reconnect_initiate, 180 uint8_t hid_boot_device, 181 const uint8_t * hid_descriptor, uint16_t hid_descriptor_size, 182 const char *device_name); 183 184 void hid_create_sdp_record( 185 uint8_t *service, 186 uint32_t service_record_handle, 187 uint16_t hid_device_subclass, 188 uint8_t hid_country_code, 189 uint8_t hid_virtual_cable, 190 uint8_t hid_reconnect_initiate, 191 uint8_t hid_boot_device, 192 const uint8_t * hid_descriptor, uint16_t hid_descriptor_size, 193 const char *device_name){ 194 195 uint8_t * attribute; 196 de_create_sequence(service); 197 198 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_RECORD_HANDLE); 199 de_add_number(service, DE_UINT, DE_SIZE_32, service_record_handle); 200 201 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_SERVICE_CLASS_ID_LIST); 202 attribute = de_push_sequence(service); 203 { 204 de_add_number(attribute, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE_SERVICE); 205 } 206 de_pop_sequence(service, attribute); 207 208 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_PROTOCOL_DESCRIPTOR_LIST); 209 attribute = de_push_sequence(service); 210 { 211 uint8_t * l2cpProtocol = de_push_sequence(attribute); 212 { 213 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP); 214 de_add_number(l2cpProtocol, DE_UINT, DE_SIZE_16, PSM_HID_CONTROL); 215 } 216 de_pop_sequence(attribute, l2cpProtocol); 217 218 uint8_t * hidProtocol = de_push_sequence(attribute); 219 { 220 de_add_number(hidProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_HIDP); 221 } 222 de_pop_sequence(attribute, hidProtocol); 223 } 224 de_pop_sequence(service, attribute); 225 226 // TODO? 227 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_LANGUAGE_BASE_ATTRIBUTE_ID_LIST); 228 attribute = de_push_sequence(service); 229 { 230 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x656e); 231 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x006a); 232 de_add_number(attribute, DE_UINT, DE_SIZE_16, 0x0100); 233 } 234 de_pop_sequence(service, attribute); 235 236 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_ADDITIONAL_PROTOCOL_DESCRIPTOR_LISTS); 237 attribute = de_push_sequence(service); 238 { 239 uint8_t * additionalDescriptorAttribute = de_push_sequence(attribute); 240 { 241 uint8_t * l2cpProtocol = de_push_sequence(additionalDescriptorAttribute); 242 { 243 de_add_number(l2cpProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_L2CAP); 244 de_add_number(l2cpProtocol, DE_UINT, DE_SIZE_16, PSM_HID_INTERRUPT); 245 } 246 de_pop_sequence(additionalDescriptorAttribute, l2cpProtocol); 247 248 uint8_t * hidProtocol = de_push_sequence(attribute); 249 { 250 de_add_number(hidProtocol, DE_UUID, DE_SIZE_16, BLUETOOTH_PROTOCOL_HIDP); 251 } 252 de_pop_sequence(attribute, hidProtocol); 253 } 254 de_pop_sequence(attribute, additionalDescriptorAttribute); 255 } 256 de_pop_sequence(service, attribute); 257 258 // 0x0100 "ServiceName" 259 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0100); 260 de_add_data(service, DE_STRING, strlen(device_name), (uint8_t *) device_name); 261 262 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_BLUETOOTH_PROFILE_DESCRIPTOR_LIST); 263 attribute = de_push_sequence(service); 264 { 265 uint8_t * hidProfile = de_push_sequence(attribute); 266 { 267 de_add_number(hidProfile, DE_UUID, DE_SIZE_16, BLUETOOTH_SERVICE_CLASS_HUMAN_INTERFACE_DEVICE_SERVICE); 268 de_add_number(hidProfile, DE_UINT, DE_SIZE_16, 0x0101); // Version 1.1 269 } 270 de_pop_sequence(attribute, hidProfile); 271 } 272 de_pop_sequence(service, attribute); 273 274 // Deprecated in v1.1.1 275 // de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_DEVICE_RELEASE_NUMBER); 276 // de_add_number(service, DE_UINT, DE_SIZE_16, 0x0101); 277 278 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_PARSER_VERSION); 279 de_add_number(service, DE_UINT, DE_SIZE_16, 0x0111); // v1.1.1 280 281 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_DEVICE_SUBCLASS); 282 de_add_number(service, DE_UINT, DE_SIZE_16, hid_device_subclass); 283 284 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_COUNTRY_CODE); 285 de_add_number(service, DE_UINT, DE_SIZE_16, hid_country_code); 286 287 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_VIRTUAL_CABLE); 288 de_add_number(service, DE_BOOL, DE_SIZE_8, hid_virtual_cable); 289 290 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_RECONNECT_INITIATE); 291 de_add_number(service, DE_BOOL, DE_SIZE_8, hid_reconnect_initiate); 292 293 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_DESCRIPTOR_LIST); 294 attribute = de_push_sequence(service); 295 { 296 uint8_t* hidDescriptor = de_push_sequence(attribute); 297 { 298 de_add_number(hidDescriptor, DE_UINT, DE_SIZE_8, 0x22); // Report Descriptor 299 de_add_data(hidDescriptor, DE_STRING, hid_descriptor_size, (uint8_t *) hid_descriptor); 300 } 301 de_pop_sequence(attribute, hidDescriptor); 302 } 303 de_pop_sequence(service, attribute); 304 305 de_add_number(service, DE_UINT, DE_SIZE_16, BLUETOOTH_ATTRIBUTE_HID_BOOT_DEVICE); 306 de_add_number(service, DE_BOOL, DE_SIZE_8, hid_boot_device); 307 } 308 309 // HID Keyboard lookup 310 static int lookup_keycode(uint8_t character, const uint8_t * table, int size, uint8_t * keycode){ 311 int i; 312 for (i=0;i<size;i++){ 313 if (table[i] != character) continue; 314 *keycode = i; 315 return 1; 316 } 317 return 0; 318 } 319 320 static int keycode_and_modifer_us_for_character(uint8_t character, uint8_t * keycode, uint8_t * modifier){ 321 int found; 322 found = lookup_keycode(character, keytable_us_none, sizeof(keytable_us_none), keycode); 323 if (found) { 324 *modifier = 0; // none 325 return 1; 326 } 327 found = lookup_keycode(character, keytable_us_shift, sizeof(keytable_us_shift), keycode); 328 if (found) { 329 *modifier = 2; // shift 330 return 1; 331 } 332 return 0; 333 } 334 335 // HID Report sending 336 static int send_keycode; 337 static int send_modifier; 338 339 static void send_key(int modifier, int keycode){ 340 send_keycode = keycode; 341 send_modifier = modifier; 342 l2cap_request_can_send_now_event(hid_interrupt_cid); 343 } 344 345 static void send_report(int modifier, int keycode){ 346 uint8_t report[] = { 0xa1, modifier, 0, 0, keycode, 0, 0, 0, 0, 0}; 347 l2cap_send(hid_interrupt_cid, &report[0], sizeof(report)); 348 } 349 350 351 352 #ifdef HAVE_POSIX_STDIN 353 354 // prototypes 355 static void show_usage(void); 356 357 // Testig User Interface 358 static void show_usage(void){ 359 bd_addr_t iut_address; 360 gap_local_bd_addr(iut_address); 361 362 printf("\n--- Bluetooth HID Device Test Console %s ---\n", bd_addr_to_str(iut_address)); 363 printf("\n"); 364 printf("---\n"); 365 printf("Ctrl-c - exit\n"); 366 printf("---\n"); 367 } 368 369 static void stdin_process(btstack_data_source_t *ds, btstack_data_source_callback_type_t callback_type){ 370 UNUSED(ds); 371 UNUSED(callback_type); 372 373 char character = btstack_stdin_read(); 374 375 uint8_t modifier; 376 uint8_t keycode; 377 int found = keycode_and_modifer_us_for_character(character, &keycode, &modifier); 378 if (found){ 379 send_key(modifier, keycode); 380 return; 381 } 382 show_usage(); 383 } 384 #endif 385 386 static int hid_connected(void){ 387 return hid_control_cid && hid_interrupt_cid; 388 } 389 390 static void packet_handler(uint8_t packet_type, uint16_t channel, uint8_t * packet, uint16_t packet_size){ 391 UNUSED(channel); 392 UNUSED(packet_size); 393 int connected_before; 394 switch (packet_type){ 395 case HCI_EVENT_PACKET: 396 switch (packet[0]){ 397 case HCI_EVENT_USER_CONFIRMATION_REQUEST: 398 // ssp: inform about user confirmation request 399 log_info("SSP User Confirmation Request with numeric value '%06"PRIu32"'\n", hci_event_user_confirmation_request_get_numeric_value(packet)); 400 log_info("SSP User Confirmation Auto accept\n"); 401 break; 402 403 // into HID Device/Server 404 case L2CAP_EVENT_INCOMING_CONNECTION: 405 switch (l2cap_event_incoming_connection_get_psm(packet)){ 406 case PSM_HID_CONTROL: 407 case PSM_HID_INTERRUPT: 408 l2cap_accept_connection(channel); 409 break; 410 default: 411 l2cap_decline_connection(channel); 412 break; 413 } 414 break; 415 case L2CAP_EVENT_CHANNEL_OPENED: 416 if (packet[2]) return; 417 connected_before = hid_connected(); 418 switch (l2cap_event_channel_opened_get_psm(packet)){ 419 case PSM_HID_CONTROL: 420 hid_control_cid = l2cap_event_channel_opened_get_local_cid(packet); 421 log_info("HID Control opened, cid 0x%02x", hid_control_cid); 422 break; 423 case PSM_HID_INTERRUPT: 424 hid_interrupt_cid = l2cap_event_channel_opened_get_local_cid(packet); 425 log_info("HID Interrupt opened, cid 0x%02x", hid_interrupt_cid); 426 break; 427 default: 428 break; 429 } 430 if (!connected_before && hid_connected()){ 431 printf("HID Connected\n"); 432 } 433 break; 434 case L2CAP_EVENT_CHANNEL_CLOSED: 435 connected_before = hid_connected(); 436 if (l2cap_event_channel_closed_get_local_cid(packet) == hid_control_cid){ 437 log_info("HID Control closed"); 438 hid_control_cid = 0; 439 } 440 if (l2cap_event_channel_closed_get_local_cid(packet) == hid_interrupt_cid){ 441 log_info("HID Interrupt closed"); 442 hid_interrupt_cid = 0; 443 } 444 if (connected_before && !hid_connected()){ 445 printf("HID Disconnected\n"); 446 } 447 break; 448 case L2CAP_EVENT_CAN_SEND_NOW: 449 if (send_keycode){ 450 send_report(send_modifier, send_keycode); 451 send_keycode = 0; 452 send_modifier = 0; 453 l2cap_request_can_send_now_event(hid_interrupt_cid); 454 } else { 455 send_report(0, 0); 456 } 457 default: 458 break; 459 } 460 break; 461 default: 462 break; 463 } 464 } 465 466 /* @section Main Application Setup 467 * 468 * @text Listing MainConfiguration shows main application code. 469 * To run a HID Device service you need to initialize the SDP, and to create and register HID Device record with it. 470 * At the end the Bluetooth stack is started. 471 */ 472 473 /* LISTING_START(MainConfiguration): Setup HID Device */ 474 475 int btstack_main(int argc, const char * argv[]); 476 int btstack_main(int argc, const char * argv[]){ 477 (void)argc; 478 (void)argv; 479 480 // register for HCI events 481 hci_event_callback_registration.callback = &packet_handler; 482 hci_add_event_handler(&hci_event_callback_registration); 483 hci_register_sco_packet_handler(&packet_handler); 484 485 gap_discoverable_control(1); 486 gap_set_class_of_device(0x2540); 487 gap_set_local_name(hid_device_name); 488 489 // L2CAP 490 l2cap_init(); 491 l2cap_register_service(packet_handler, PSM_HID_INTERRUPT, 100, LEVEL_0); 492 l2cap_register_service(packet_handler, PSM_HID_CONTROL, 100, LEVEL_0); 493 494 // SDP Server 495 sdp_init(); 496 memset(hid_service_buffer, 0, sizeof(hid_service_buffer)); 497 // hid sevice subclass 2540 Keyboard, hid counntry code 33 US, hid virtual cable off, hid reconnect initiate off, hid boot device off 498 hid_create_sdp_record(hid_service_buffer, 0x10001, 0x2540, 33, 0, 0, 0, hid_descriptor_keyboard_boot_mode, sizeof(hid_descriptor_keyboard_boot_mode), hid_device_name); 499 printf("SDP service record size: %u\n", de_get_len( hid_service_buffer)); 500 sdp_register_service(hid_service_buffer); 501 502 #ifdef HAVE_POSIX_STDIN 503 btstack_stdin_setup(stdin_process); 504 #endif 505 // turn on! 506 hci_power_control(HCI_POWER_ON); 507 return 0; 508 } 509 /* LISTING_END */ 510 /* EXAMPLE_END */ 511