binding/hvac-demo-binding.c

   1 /*
   2  * Copyright (C) 2015, 2016 "IoT.bzh"
   3  * Copyright (C) 2016 Konsulko Group
   4  * Author "Romain Forlot"
   5  * Author "Jose Bolo"
   6  * Author "Scott Murray <scott.murray@konsulko.com>"
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *   http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  */
  20 #define _GNU_SOURCE
  21
  22 #include <stdio.h>
  23 #include <string.h>
  24 #include <stdbool.h>
  25 #include <unistd.h>
  26 #include <sys/types.h>
  27 #include <sys/socket.h>
  28 #include <sys/ioctl.h>
  29 #include <net/if.h>
  30 #include <linux/can.h>
  31 #include <math.h>
  32
  33 #include <json-c/json.h>
  34
  35 #define AFB_BINDING_VERSION 2
  36 #define RED "/sys/class/leds/blinkm-3-9-red/brightness"
  37 #define BLUE "/sys/class/leds/blinkm-3-9-blue/brightness"
  38 #define GREEN "/sys/class/leds/blinkm-3-9-green/brightness"
  39 #include <afb/afb-binding.h>
  40
  41 #define CAN_DEV "vcan0"
  42
  43 #ifndef NULL
  44 #define NULL 0
  45 #endif
  46
  47 static const struct afb_binding_interface *interface;
  48 static struct afb_event event;
  49
  50 /*****************************************************************************************/
  51 /*****************************************************************************************/
  52 /**                                                                                     **/
  53 /**                                                                                     **/
  54 /**        SECTION: UTILITY FUNCTIONS                                                   **/
  55 /**                                                                                     **/
  56 /**                                                                                     **/
  57 /*****************************************************************************************/
  58 /*****************************************************************************************/
  59
  60 /*
  61  * @brief Retry a function 3 times
  62  *
  63  * @param int function(): function that return an int wihtout any parameter
  64  *
  65  * @ return : 0 if ok, -1 if failed
  66  *
  67  */
  68 static int retry( int(*func)())
  69 {
  70         int i;
  71
  72         for (i=0;i<4;i++)
  73         {
  74                 if ( (*func)() >= 0)
  75                 {
  76                         return 0;
  77                 }
  78                 usleep(100000);
  79         }
  80         return -1;
  81 }
  82
  83 /*****************************************************************************************/
  84 /*****************************************************************************************/
  85 /**                                                                                     **/
  86 /**                                                                                     **/
  87 /**        SECTION: HANDLE CAN DEVICE                                                   **/
  88 /**                                                                                     **/
  89 /**                                                                                     **/
  90 /*****************************************************************************************/
  91 /*****************************************************************************************/
  92
  93 // Initialize CAN hvac array that will be sent trough the socket
  94 static struct {
  95         const char *name;
  96         uint8_t value;
  97 } hvac_values[] = {
  98         { "LeftTemperature", 21 },
  99         { "RightTemperature", 21 },
 100         { "Temperature", 21 },
 101         { "FanSpeed", 0 },
 102         { "ACEnabled", 0 },
 103         { "LeftLed", 15 },
 104         { "RightLed", 15 }
 105 };
 106
 107 // Holds RGB combinations for each temperature
 108 static struct {
 109         const int temperature;
 110         const int rgb[3];
 111 } degree_colours[] = {
 112         {15, {0, 0, 229} },
 113         {16, {22, 0, 204} },
 114         {17, {34, 0, 189} },
 115         {18, {46, 0, 175} },
 116         {19, {58, 0, 186} },
 117         {20, {70, 0, 146} },
 118         {21, {82, 0, 131} },
 119         {22, {104, 0, 116} },
 120         {23, {116, 0, 102} },
 121         {24, {128, 0, 87} },
 122         {25, {140, 0, 73} },
 123         {26, {152, 0, 58} },
 124         {27, {164, 0, 43} },
 125         {28, {176, 0, 29} },
 126         {29, {188, 0, 14} },
 127         {30, {201, 0, 5} }
 128 };
 129
 130 struct can_handler {
 131         int socket;
 132         bool simulation;
 133         char *send_msg;
 134         struct sockaddr_can txAddress;
 135 };
 136
 137 static struct can_handler can_handler = { .socket = -1, .simulation = false, .send_msg = "SENDING CAN FRAME"};
 138
 139 static int open_can_dev_helper()
 140 {
 141         struct ifreq ifr;
 142
 143         AFB_DEBUG("CAN Handler socket : %d", can_handler.socket);
 144         close(can_handler.socket);
 145
 146         can_handler.socket = socket(PF_CAN, SOCK_RAW, CAN_RAW);
 147         if (can_handler.socket < 0)
 148         {
 149                 AFB_ERROR("socket could not be created");
 150         }
 151         else
 152         {
 153                 // Attempts to open a socket to CAN bus
 154                 strcpy(ifr.ifr_name, CAN_DEV);
 155                 if(ioctl(can_handler.socket, SIOCGIFINDEX, &ifr) < 0)
 156                 {
 157                         AFB_ERROR("ioctl failed");
 158                 }
 159                 else
 160                 {
 161                         can_handler.txAddress.can_family = AF_CAN;
 162                         can_handler.txAddress.can_ifindex = ifr.ifr_ifindex;
 163
 164                         // And bind it to txAddress
 165                         if (bind(can_handler.socket, (struct sockaddr *)&can_handler.txAddress, sizeof(can_handler.txAddress)) < 0)
 166                         {
 167                                 AFB_ERROR("bind failed");
 168                         }
 169                         else {
 170                                 return 0;
 171                         }
 172                 }
 173                 close(can_handler.socket);
 174                 can_handler.socket = -1;
 175         }
 176         return -1;
 177 }
 178
 179 static int open_can_dev()
 180 {
 181         int rc = retry(open_can_dev_helper);
 182         if(rc < 0)
 183         {
 184                 AFB_ERROR("Open of interface %s failed. Falling back to simulation mode", CAN_DEV);
 185                 can_handler.socket = 0;
 186                 can_handler.simulation = true;
 187                 can_handler.send_msg = "FAKE CAN FRAME";
 188                 rc = 0;
 189         }
 190         return rc;
 191 }
 192
 193 // Get original get temperature function from cpp hvacplugin code
 194 static uint8_t to_can_temp(uint8_t value)
 195 {
 196         int result = ((0xF0 - 0x10) / 15) * (value - 15) + 0x10;
 197         if (result < 0x10)
 198                 result = 0x10;
 199         if (result > 0xF0)
 200                 result = 0xF0;
 201
 202         return (uint8_t)result;
 203 }
 204
 205 static uint8_t read_temp_left_zone()
 206 {
 207         return hvac_values[0].value;
 208 }
 209
 210 static uint8_t read_temp_right_zone()
 211 {
 212         return hvac_values[1].value;
 213 }
 214
 215 static uint8_t read_temp_left_led()
 216 {
 217         return hvac_values[5].value;
 218 }
 219
 220 static uint8_t read_temp_right_led()
 221 {
 222         return hvac_values[6].value;
 223 }
 224
 225 static uint8_t read_temp()
 226 {
 227         return (uint8_t)(((int)read_temp_left_zone() + (int)read_temp_right_zone()) >> 1);
 228 }
 229
 230 static uint8_t read_fanspeed()
 231 {
 232         return hvac_values[3].value;
 233 }
 234
 235 /*
 236  * @brief Writing to LED for both temperature sliders
 237  */
 238
 239 static int temp_write_led()
 240 {
 241         int rc = 0, red_flag, blue_flag, green_flag, red_value, green_value, blue_value;
 242         int right_temp;
 243         int left_temp;
 244
 245         // /sys/class/leds/blinkm-3-9-red/brightness
 246         FILE* r = fopen(RED, "w");
 247         if (r == NULL) {
 248                 AFB_ERROR("Unable to open RED path for writing");
 249                 red_flag = 1;
 250         }
 251
 252         // /sys/class/leds/blinkm-3-9-green/brightness
 253         FILE* g = fopen(GREEN, "w");
 254         if (g == NULL) {
 255                 AFB_ERROR("Unable to open GREEN path for writing");
 256                 green_flag = 1;
 257         }
 258
 259         // /sys/class/leds/blinkm-3-9-blue/brightness
 260         FILE* b = fopen(BLUE, "w");
 261         if (b == NULL) {
 262                 AFB_ERROR("Unable to open BLUE path for writing");
 263                 blue_flag = 1;
 264         }
 265
 266         if (red_flag || green_flag || blue_flag)
 267         {
 268                 rc = 1;
 269         }
 270
 271         left_temp = read_temp_left_led() - 15;
 272         right_temp = read_temp_right_led() - 15;
 273
 274         // Calculates average colour value taken from the temperature toggles
 275         red_value = (degree_colours[left_temp].rgb[0] + degree_colours[right_temp].rgb[0]) / 2;
 276         green_value = (degree_colours[left_temp].rgb[1] + degree_colours[right_temp].rgb[1]) / 2;
 277         blue_value = (degree_colours[left_temp].rgb[2] + degree_colours[right_temp].rgb[2]) / 2;
 278
 279         // Writes to LED file the specific colour
 280         fprintf(r, "%d", red_value);
 281         fprintf(g, "%d", green_value);
 282         fprintf(b, "%d", blue_value);
 283         fclose(r);
 284         fclose(g);
 285         fclose(b);
 286         return rc;
 287
 288 }
 289
 290 /*
 291  * @brief Get temperature of left toggle in HVAC system
 292  *
 293  * @param struct afb_req : an afb request structure
 294  *
 295  */
 296 static void temp_left_zone_led(struct afb_req request)
 297 {
 298         int i = 5, rc, x, changed;
 299         double d;
 300         struct json_object *query, *val;
 301         uint8_t values[sizeof hvac_values / sizeof *hvac_values];
 302         uint8_t saves[sizeof hvac_values / sizeof *hvac_values];
 303
 304         AFB_WARNING("In temp_left_zone_led.");
 305
 306         query = afb_req_json(request);
 307
 308         /* records initial values */
 309         AFB_WARNING("Records initial values");
 310         values[i] = saves[i] = hvac_values[i].value;
 311
 312
 313         if (json_object_object_get_ex(query, hvac_values[i].name, &val))
 314         {
 315                 AFB_WARNING("Value of values[i] = %d", values[i]);
 316                 AFB_WARNING("We got it. Tests if it is an int or double.");
 317                 if (json_object_is_type(val, json_type_int)) {
 318                         x = json_object_get_int(val);
 319                         AFB_WARNING("We get an int: %d",x);
 320                 }
 321                 else if (json_object_is_type(val, json_type_double)) {
 322                         d = json_object_get_double(val);
 323                         x = (int)round(d);
 324                         AFB_WARNING("We get a double: %f => %d",d,x);
 325                 }
 326                 else {
 327                         afb_req_fail_f(request, "bad-request",
 328                                 "argument '%s' isn't integer or double", hvac_values[i].name);
 329                         return;
 330                 }
 331                 if (x < 0 || x > 255)
 332                 {
 333                         afb_req_fail_f(request, "bad-request",
 334                                 "argument '%s' is out of bounds", hvac_values[i].name);
 335                         return;
 336                 }
 337                 if (values[i] != x) {
 338                         values[i] = (uint8_t)x;
 339                         changed = 1;
 340                         AFB_WARNING("%s changed to %d", hvac_values[i].name,x);
 341                 }
 342         }
 343         else {
 344                 AFB_WARNING("%s not found in query!",hvac_values[i].name);
 345         }
 346
 347
 348         if (changed) {
 349                 hvac_values[i].value = values[i]; // update structure at line 102
 350                 AFB_WARNING("WRITE_LED: value: %d", hvac_values[i].value);
 351                 rc = temp_write_led();
 352                 if (rc >= 0)
 353                         afb_req_success(request, NULL, NULL);
 354                 else if (retry(temp_write_led)) {
 355                         /* restore initial values */
 356                         hvac_values[i].value = saves[i];
 357                         afb_req_fail(request, "error", "I2C error");
 358                 }
 359         }
 360 }
 361
 362 /*
 363  * @brief Get temperature of right toggle in HVAC system
 364  *
 365  * @param struct afb_req : an afb request structure
 366  *
 367  */
 368 static void temp_right_zone_led(struct afb_req request)
 369 {
 370         int i = 6, rc, x, changed;
 371         double d;
 372         struct json_object *query, *val;
 373         uint8_t values[sizeof hvac_values / sizeof *hvac_values];
 374         uint8_t saves[sizeof hvac_values / sizeof *hvac_values];
 375
 376         AFB_WARNING("In temp_right_zone_led.");
 377
 378         query = afb_req_json(request);
 379
 380         /* records initial values */
 381         AFB_WARNING("Records initial values");
 382         values[i] = saves[i] = hvac_values[i].value;
 383
 384
 385         if (json_object_object_get_ex(query, hvac_values[i].name, &val))
 386         {
 387                 AFB_WARNING("Value of values[i] = %d", values[i]);
 388                 AFB_WARNING("We got it. Tests if it is an int or double.");
 389                 if (json_object_is_type(val, json_type_int)) {
 390                         x = json_object_get_int(val);
 391                         AFB_WARNING("We get an int: %d",x);
 392                 }
 393                 else if (json_object_is_type(val, json_type_double)) {
 394                         d = json_object_get_double(val);
 395                         x = (int)round(d);
 396                         AFB_WARNING("We get a double: %f => %d",d,x);
 397                 }
 398                 else {
 399                         afb_req_fail_f(request, "bad-request",
 400                                 "argument '%s' isn't integer or double", hvac_values[i].name);
 401                         return;
 402                 }
 403                 if (x < 0 || x > 255)
 404                 {
 405                         afb_req_fail_f(request, "bad-request",
 406                                 "argument '%s' is out of bounds", hvac_values[i].name);
 407                         return;
 408                 }
 409                 if (values[i] != x) {
 410                         values[i] = (uint8_t)x;
 411                         changed = 1;
 412                         AFB_WARNING("%s changed to %d", hvac_values[i].name,x);
 413                 }
 414         }
 415         else {
 416                 AFB_WARNING("%s not found in query!", hvac_values[i].name);
 417         }
 418
 419
 420         if (changed) {
 421                 hvac_values[i].value = values[i]; // update structure at line 102
 422                 AFB_WARNING("WRITE_LED: value: %d", hvac_values[i].value);
 423                 rc = temp_write_led();
 424                 if (rc >= 0)
 425                         afb_req_success(request, NULL, NULL);
 426                 else if (retry(temp_write_led)) {
 427                         /* restore initial values */
 428                         hvac_values[i].value = saves[i];
 429                         afb_req_fail(request, "error", "I2C error");
 430                 }
 431         }
 432 }
 433
 434 static int write_can()
 435 {
 436         struct can_frame txCanFrame;
 437         int rc = 0;
 438
 439         rc = can_handler.socket;
 440         if (rc >= 0)
 441         {
 442                 // Hardcoded can_id and dlc (data lenght code)
 443                 txCanFrame.can_id = 0x30;
 444                 txCanFrame.can_dlc = 8;
 445                 txCanFrame.data[0] = to_can_temp(read_temp_left_zone());
 446                 txCanFrame.data[1] = to_can_temp(read_temp_right_zone());
 447                 txCanFrame.data[2] = to_can_temp(read_temp());
 448                 txCanFrame.data[3] = 0xf0;
 449                 txCanFrame.data[4] = read_fanspeed();
 450                 txCanFrame.data[5] = 1;
 451                 txCanFrame.data[6] = 0;
 452                 txCanFrame.data[7] = 0;
 453
 454                 AFB_DEBUG("%s: %d %d [%02x %02x %02x %02x %02x %02x %02x %02x]\n",
 455                         can_handler.send_msg,
 456                         txCanFrame.can_id, txCanFrame.can_dlc,
 457                         txCanFrame.data[0], txCanFrame.data[1], txCanFrame.data[2], txCanFrame.data[3],
 458                         txCanFrame.data[4], txCanFrame.data[5], txCanFrame.data[6], txCanFrame.data[7]);
 459
 460                 if(!can_handler.simulation)
 461                 {
 462                         rc = (int)sendto(can_handler.socket, &txCanFrame, sizeof(struct can_frame), 0,
 463                                 (struct sockaddr*)&can_handler.txAddress, sizeof(can_handler.txAddress));
 464                         if (rc < 0)
 465                         {
 466                                 AFB_ERROR("Sending CAN frame failed.");
 467                         }
 468                 }
 469         }
 470         else
 471         {
 472                 AFB_ERROR("socket not initialized. Attempt to reopen can device socket.");
 473                 open_can_dev();
 474         }
 475         return rc;
 476 }
 477
 478 /*****************************************************************************************/
 479 /*****************************************************************************************/
 480 /**                                                                                     **/
 481 /**                                                                                     **/
 482 /**        SECTION: BINDING VERBS IMPLEMENTATION                                        **/
 483 /**                                                                                     **/
 484 /**                                                                                     **/
 485 /*****************************************************************************************/
 486 /*****************************************************************************************/
 487
 488 /*
 489  * @brief Get fan speed HVAC system
 490  *
 491  * @param struct afb_req : an afb request structure
 492  *
 493  */
 494 static void get_fanspeed(struct afb_req request)
 495 {
 496         json_object *ret_json;
 497         uint8_t fanspeed = read_fanspeed();
 498
 499         ret_json = json_object_new_object();
 500         json_object_object_add(ret_json, "FanSpeed", json_object_new_int(fanspeed));
 501
 502         afb_req_success(request, ret_json, NULL);
 503 }
 504
 505 /*
 506  * @brief Read Consign right zone temperature for HVAC system
 507  *
 508  * @param struct afb_req : an afb request structure
 509  *
 510  */
 511 static void get_temp_right_zone(struct afb_req request)
 512 {
 513         json_object *ret_json;
 514         uint8_t temp = read_temp_right_zone();
 515
 516         ret_json = json_object_new_object();
 517         json_object_object_add(ret_json, "RightTemperature", json_object_new_int(temp));
 518
 519         afb_req_success(request, ret_json, NULL);
 520 }
 521
 522 /*
 523  * @brief Read Consign left zone temperature for HVAC system
 524  *
 525  * @param struct afb_req : an afb request structure
 526  *
 527  */
 528 static void get_temp_left_zone(struct afb_req request)
 529 {
 530         json_object *ret_json;
 531         uint8_t temp = read_temp_left_zone();
 532
 533         ret_json = json_object_new_object();
 534         json_object_object_add(ret_json, "LeftTemperature", json_object_new_int(temp));
 535
 536         afb_req_success(request, ret_json, NULL);
 537 }
 538
 539 /*
 540  * @brief Read all values
 541  *
 542  * @param struct afb_req : an afb request structure
 543  *
 544  */
 545 static void get(struct afb_req request)
 546 {
 547         AFB_DEBUG("Getting all values");
 548         json_object *ret_json;
 549
 550         ret_json = json_object_new_object();
 551         json_object_object_add(ret_json, "LeftTemperature", json_object_new_int(read_temp_left_zone()));
 552         json_object_object_add(ret_json, "RightTemperature", json_object_new_int(read_temp_right_zone()));
 553         json_object_object_add(ret_json, "FanSpeed", json_object_new_int(read_fanspeed()));
 554
 555         afb_req_success(request, ret_json, NULL);
 556 }
 557
 558 /*
 559  * @brief Set a component value using a json object retrieved from request
 560  *
 561  * @param struct afb_req : an afb request structure
 562  *
 563  */
 564 static void set(struct afb_req request)
 565 {
 566         int i, rc, x, changed;
 567         double d;
 568         struct json_object *query, *val;
 569         uint8_t values[sizeof hvac_values / sizeof *hvac_values];
 570         uint8_t saves[sizeof hvac_values / sizeof *hvac_values];
 571
 572         /* records initial values */
 573         AFB_DEBUG("Records initial values");
 574         i = (int)(sizeof hvac_values / sizeof *hvac_values);
 575         while (i) {
 576                 i--;
 577                 values[i] = saves[i] = hvac_values[i].value;
 578         }
 579
 580         /* Loop getting arguments */
 581         query = afb_req_json(request);
 582         changed = 0;
 583         i = (int)(sizeof hvac_values / sizeof *hvac_values);
 584         AFB_DEBUG("Looping for args. i: %d", i);
 585         while (i)
 586         {
 587                 i--;
 588                 AFB_DEBUG("Searching... query: %s, i: %d, comp: %s", json_object_to_json_string(query), i, hvac_values[i].name);
 589                 if (json_object_object_get_ex(query, hvac_values[i].name, &val))
 590                 {
 591                         AFB_DEBUG("We got it. Tests if it is an int or double.");
 592                         if (json_object_is_type(val, json_type_int)) {
 593                                 x = json_object_get_int(val);
 594                                 AFB_DEBUG("We get an int: %d",x);
 595                         }
 596                         else if (json_object_is_type(val, json_type_double)) {
 597                                 d = json_object_get_double(val);
 598                                 x = (int)round(d);
 599                                 AFB_DEBUG("We get a double: %f => %d",d,x);
 600                         }
 601                         else {
 602                                 afb_req_fail_f(request, "bad-request",
 603                                         "argument '%s' isn't integer or double", hvac_values[i].name);
 604                                 return;
 605                         }
 606                         if (x < 0 || x > 255)
 607                         {
 608                                 afb_req_fail_f(request, "bad-request",
 609                                         "argument '%s' is out of bounds", hvac_values[i].name);
 610                                 return;
 611                         }
 612                         if (values[i] != x) {
 613                                 values[i] = (uint8_t)x;
 614                                 changed = 1;
 615                                 AFB_DEBUG("%s changed to %d",hvac_values[i].name,x);
 616                         }
 617                 }
 618                 else {
 619                         AFB_DEBUG("%s not found in query!",hvac_values[i].name);
 620                 }
 621         }
 622
 623         /* attemps to set new values */
 624         AFB_DEBUG("Diff: %d", changed);
 625         if (changed)
 626         {
 627                 i = (int)(sizeof hvac_values / sizeof *hvac_values);
 628                 while (i) {
 629                         i--;
 630                         hvac_values[i].value = values[i];
 631                 }
 632                 rc = write_can();
 633                 if (rc >= 0)
 634                         afb_req_success(request, NULL, NULL);
 635                 else if (retry(write_can)) {
 636                         /* restore initial values */
 637                         i = (int)(sizeof hvac_values / sizeof *hvac_values);
 638                         while (i) {
 639                                 i--;
 640                                 hvac_values[i].value = saves[i];
 641                         }
 642                         afb_req_fail(request, "error", "CAN error");
 643                 }
 644         }
 645         else {
 646                 afb_req_success(request, NULL, "No changes");
 647         }
 648 }
 649
 650 int bindingServicePreInit(struct afb_service service)
 651 {
 652         return open_can_dev();
 653 }
 654
 655 int bindingServiceInit(struct afb_service service)
 656 {
 657         event = afb_daemon_make_event("language");
 658         if(afb_daemon_require_api("identity", 1))
 659                 return -1;
 660         return afb_service_call_sync("identity", "subscribe", NULL, NULL);
 661 }
 662
 663 void onEvent(const char *event_name, struct json_object *object)
 664 {
 665         json_object *args, *language = json_object_new_object();
 666         json_object *id_evt_name, *current_identity;
 667
 668         AFB_NOTICE("Event '%s' received: %s", event_name,
 669                 json_object_to_json_string_ext(object, JSON_C_TO_STRING_PRETTY));
 670
 671         if (json_object_object_get_ex(object, "eventName", &id_evt_name) &&
 672           !strcmp(json_object_get_string(id_evt_name), "login") &&
 673           !afb_service_call_sync("identity", "get", NULL, &current_identity)) {
 674                 json_object *response;
 675                 if (! json_object_object_get_ex(current_identity, "response", &response) || ! json_object_object_get_ex(response, "graphPreferredLanguage", &language)) {
 676                         language = json_object_new_string("en_US");
 677                 }
 678                 afb_event_broadcast(event, language);
 679         }
 680 }
 681
 682 // TODO: Have to change session management flag to AFB_SESSION_CHECK to use token auth
 683 static const struct afb_verb_v2 _afb_verbs_v2_hvac[]= {
 684         {
 685                 .verb = "get_temp_left_zone",
 686                 .callback = get_temp_left_zone,
 687                 .auth = NULL,
 688                 .info = "Get the left zone temperature",
 689                 .session = AFB_SESSION_NONE_V2
 690         },
 691         {
 692                 .verb = "get_temp_right_zone",
 693                 .callback = get_temp_right_zone,
 694                 .auth = NULL,
 695                 .info = "Get the right zone temperature",
 696                 .session = AFB_SESSION_NONE_V2
 697         },
 698         {
 699                 .verb = "get_fanspeed",
 700                 .callback = get_fanspeed,
 701                 .auth = NULL,
 702                 .info = "Read fan speed",
 703                 .session = AFB_SESSION_NONE_V2
 704         },
 705         {
 706                 .verb = "get",
 707                 .callback = get,
 708                 .auth = NULL,
 709                 .info = "Read all speed",
 710                 .session = AFB_SESSION_NONE_V2
 711         },
 712         {
 713                 .verb = "set",
 714                 .callback = set,
 715                 .auth = NULL,
 716                 .info = "Set a HVAC component value",
 717                 .session = AFB_SESSION_NONE_V2
 718         },
 719         {
 720                 .verb = "temp_left_zone_led",
 721                 .callback = temp_left_zone_led,
 722                 .auth = NULL,
 723                 .info = "Turn on LED on left temperature zone",
 724                 .session = AFB_SESSION_NONE_V2
 725         },
 726         {
 727                 .verb = "temp_right_zone_led",
 728                 .callback = temp_right_zone_led,
 729                 .auth = NULL,
 730                 .info = "Turn on LED on left temperature zone",
 731                 .session = AFB_SESSION_NONE_V2
 732
 733         },
 734         {
 735                 .verb = NULL,
 736                 .callback = NULL,
 737                 .auth = NULL,
 738                 .info = NULL,
 739                 .session = 0
 740         }
 741 };
 742
 743 const struct afb_binding_v2 afbBindingV2 = {
 744     .api = "hvac",
 745     .specification = NULL,
 746     .info = "HVAC service",
 747     .verbs = _afb_verbs_v2_hvac,
 748     .preinit = bindingServicePreInit,
 749     .init = bindingServiceInit,
 750     .onevent = onEvent,
 751     .noconcurrency = 0
 752 };