Changes for page 2 Script
Last modified by Devin Chen on 2025/06/06 14:03
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... ... @@ -349,6 +349,105 @@ 349 349 end 350 350 {{/code}} 351 351 352 + 353 +== **1.8 How to parse value from HTTP response body** == 354 + 355 +This example use [[https:~~/~~/www.weatherapi.com/>>https://www.weatherapi.com/]] as example, to show how to parse value from HTTP response body. When we input the city name into address "@HDW5050": 356 + 357 +(% style="text-align:center" %) 358 +[[image:InputHTTPparameter.png]] 359 + 360 +Then the response body would be like as following: 361 + 362 +{{code language="json"}} 363 +{ 364 + "location": { 365 + "name": "Madrid", 366 + "region": "Madrid", 367 + "country": "Spain", 368 + "lat": 40.4, 369 + "lon": -3.68, 370 + "tz_id": "Europe/Madrid", 371 + "localtime_epoch": 1669022636, 372 + "localtime": "2022-11-21 10:23" 373 + }, 374 + "current": { 375 + "last_updated_epoch": 1669022100, 376 + "last_updated": "2022-11-21 10:15", 377 + "temp_c": 13.0, 378 + "temp_f": 55.4, 379 + "is_day": 1, 380 + "condition": { 381 + "text": "Partly cloudy", 382 + "icon": "//cdn.weatherapi.com/weather/64x64/day/116.png", 383 + "code": 1003 384 + }, 385 + "wind_mph": 11.9, 386 + "wind_kph": 19.1, 387 + "wind_degree": 210, 388 + "wind_dir": "SSW", 389 + "pressure_mb": 1015.0, 390 + "pressure_in": 29.97, 391 + "precip_mm": 0.0, 392 + "precip_in": 0.0, 393 + "humidity": 88, 394 + "cloud": 75, 395 + "feelslike_c": 10.8, 396 + "feelslike_f": 51.4, 397 + "vis_km": 10.0, 398 + "vis_miles": 6.0, 399 + "uv": 3.0, 400 + "gust_mph": 22.1, 401 + "gust_kph": 35.6 402 + } 403 +} 404 +{{/code}} 405 + 406 +(% class="wikigeneratedid" %) 407 +So we decode json into lua object to assign the value into addresses HDW6060(temperature), HDW7070(humidity) the code example like follows: 408 + 409 +{{code language="lua"}} 410 +local APIkey = '70faaecf926b4341b1974006221711' 411 + 412 + 413 +local http = require("socket.http") 414 +local json = require("json") 415 + 416 +-- Send http.get request and return response result 417 +function getHttpsUrl(url) 418 + local result_table, code, headers, status = http.request(url) 419 + print("code:"..code) 420 + if code~= 200 then 421 + return 422 + else 423 + return result_table 424 + end 425 +end 426 + 427 +function sendAPI(key, city) 428 + local url = "http://api.weatherapi.com/v1/current.json?key="..key.."&q="..city.."&aqi=no" 429 + --local url = 'http://v-box.net' 430 + --local url = 'https://www.google.com/' 431 + --http://api.weatherapi.com/v1/current.json?key=70faaecf926b4341b1974006221711&q=Barcelona&aqi=no 432 + print("Get the link:"..url) 433 + local body = getHttpsUrl(url) 434 + --print(body) 435 + local jsonBody = json.decode(body) 436 + --print(jsonBody["current"]["temp_c"]) 437 + --print(type(jsonBody["current"]["temp_c"])) 438 + --print(type(jsonBody["current"]["humidity"])) 439 + addr_setfloat("@HDW6060", jsonBody["current"]["temp_c"]) 440 + addr_setword("@HDW7070", jsonBody["current"]["humidity"]) 441 +end 442 + 443 + 444 +function Weather.main() 445 + local cityName = addr_getstring("@HDW5050",6) 446 + print("cityName: "..cityName) 447 + sendAPI(APIkey, cityName) 448 +end 449 +{{/code}} 450 + 352 352 = **2 V-Box connect with third part server** = 353 353 354 354 V-Box have two mode.One is for V-Net,User need to use WECON server to store data.We call this V-NET platform. ... ... @@ -501,142 +501,134 @@ 501 501 -- Meta class 502 502 --main 503 503 function mq.main() 504 - 505 - 603 + if not mq.m then 604 + local err = "" 506 506 507 - mq.m, err = mqtt.create("tcp://grouprobotinfo.com:1883", "ClienID") -- create connection 508 - if mq.m then 509 - mq.config = { 510 - username = "",-- ID 511 - password = "",-- password 512 - netway = 1, -- Ethernet connection, WIFI=1 513 - -- keepalive = 100, -- Optional, set the connection heartbeat interval for 100 seconds. 514 - -- cleansession = 0, -- Optional, keep session 515 - } 516 - mq.m:on("message", function(topic, msg) -- Register for receiving message callbacks 517 - local str = string.format("%s:%s", topic, msg) 518 - -- print("mqtt msg:", str) -- Print out the received topics and content 519 - end 520 - ) 521 - mq.m:on("offline", function (cause) -- Register for lost connection callbacks 522 - -- addr_setstring("@xxx", "cause"..(cause or " got nil")) 523 - end) 524 - mq.m:on("arrived", function() -- Registration for sending messages to callbacks 525 - print("msg arrived") 526 - end) 527 - else 528 - print("mqtt create failed:", err) -- Create object failed 529 - end 530 - else 531 - if mq.m:isconnected() then -- If online, post a message 532 - local phaseStatus ="unknow" 533 - if addr_getbit("@Standby")== 1 then 534 - phaseStatus = "Standby" 535 - elseif addr_getbit("@Pre-Freeze")==1 then 536 - phaseStatus= "Pre-Freeze" 537 - elseif addr_getbit("@Prepare")==1 then 538 - phaseStatus ="Prepare" 539 - elseif addr_getbit("@Primary Dry")==1 then 540 - phaseStatus = "Primary dry" 541 - elseif addr_getbit("@Secondary Dry")==1 then 542 - phaseStatus = "Secondary Dry" 543 - end 544 --- print(addr_getbit("@Primary Dry")) 606 + mq.m, err = mqtt.create("tcp://grouprobotinfo.com:1883", "ClienID") -- create connection 607 + if mq.m then 608 + mq.config = { 609 + username = "",-- ID 610 + password = "",-- password 611 + netway = 1, -- Ethernet connection, WIFI=1 612 + -- keepalive = 100, -- Optional, set the connection heartbeat interval for 100 seconds. 613 + -- cleansession = 0, -- Optional, keep session 614 + } 615 + mq.m:on("message", function(topic, msg) -- Register for receiving message callbacks 616 + local str = string.format("%s:%s", topic, msg) 617 + -- print("mqtt msg:", str) -- Print out the received topics and content 618 + end) 619 + mq.m:on("offline", function (cause) -- Register for lost connection callbacks 620 + -- addr_setstring("@xxx", "cause"..(cause or " got nil")) 621 + end) 622 + mq.m:on("arrived", function() -- Registration for sending messages to callbacks 623 + print("msg arrived") 624 + end) 625 + else 626 + print("mqtt create failed:", err) -- Create object failed 627 + end 628 + else 629 + if mq.m:isconnected() then -- If online, post a message 630 + local phaseStatus ="unknow" 631 + if addr_getbit("@Standby")== 1 then 632 + phaseStatus = "Standby" 633 + elseif addr_getbit("@Pre-Freeze")==1 then 634 + phaseStatus= "Pre-Freeze" 635 + elseif addr_getbit("@Prepare")==1 then 636 + phaseStatus ="Prepare" 637 + elseif addr_getbit("@Primary Dry")==1 then 638 + phaseStatus = "Primary dry" 639 + elseif addr_getbit("@Secondary Dry")==1 then 640 + phaseStatus = "Secondary Dry" 641 + end 642 + --print(addr_getbit("@Primary Dry")) 545 545 ------------------------------------------------------------------------------------------------------------------------- 546 - local activating ="unknow" 547 - if addr_getbit("@Compressor")==1 then 548 - activating = ",".."Compressor" 549 - end 550 - if addr_getbit("@Silicone Pump")==1 then 551 - activating = activating..",".."Silicone Pump" 552 - end 553 - if addr_getbit("@Vacuum Pump")==1 then 554 - activating = activating..",".."Vacuum Pump" 555 - end 556 - if addr_getbit("@Root Pump")==1 then 557 - activating = activating..",".."Root Pump" 558 - end 559 - if addr_getbit("@Heater")==1 then 560 - activating = activating..",".."Heater" 561 - end 562 - if addr_getbit("@Valve Silicone")==1 then 563 - activating = activating..",".."Valve Silicone" 564 - end 565 - if addr_getbit("@Valve Ice Condenser")==1 then 566 - activating = activating..",".."Valve Ice Condenser" 567 - end 568 - if addr_getbit("@Valve Vacuum Pump")==1 then 569 - activating = activating..",".."Valve Vacuum Pump" 570 - end 571 - local pr_activating =string.sub(activating,2) 572 - -- print(pr_activating) 644 + local activating ="unknow" 645 + if addr_getbit("@Compressor")==1 then 646 + activating = ",".."Compressor" 647 + end 648 + if addr_getbit("@Silicone Pump")==1 then 649 + activating = activating..",".."Silicone Pump" 650 + end 651 + if addr_getbit("@Vacuum Pump")==1 then 652 + activating = activating..",".."Vacuum Pump" 653 + end 654 + if addr_getbit("@Root Pump")==1 then 655 + activating = activating..",".."Root Pump" 656 + end 657 + if addr_getbit("@Heater")==1 then 658 + activating = activating..",".."Heater" 659 + end 660 + if addr_getbit("@Valve Silicone")==1 then 661 + activating = activating..",".."Valve Silicone" 662 + end 663 + if addr_getbit("@Valve Ice Condenser")==1 then 664 + activating = activating..",".."Valve Ice Condenser" 665 + end 666 + if addr_getbit("@Valve Vacuum Pump")==1 then 667 + activating = activating..",".."Valve Vacuum Pump" 668 + end 669 + local pr_activating =string.sub(activating,2) 670 + -- print(pr_activating) 671 + local status_text ="unknow" 672 + if addr_getbit("@Status Run")==1 then 673 + status_text = "RUNNING" 674 + else 675 + status_text = "STOP" 676 + end 677 +------------------------------------------------------------------------------------------------------------------------- 678 + local js = {type="status", 679 + mc_name ="FD300", 680 + status=status_text, 681 + elapsed_time={ 682 + hour=addr_getword("@Elapsed Time (Hour)"), 683 + min=addr_getword("@Elapsed Time (Minute)"), 684 + sec=addr_getword("@Elapsed Time (Second)") 685 + }, 686 + phase = phaseStatus, 687 + step = addr_getword("@Step"), 688 + activating_output = pr_activating, 689 + sv=addr_getshort("@SV Silicone")/10, 690 + pv=addr_getshort("@PV Silicone")/10, 691 + product1=addr_getshort("@Product 1")/10, 573 573 693 + product2=addr_getshort("@Product 2")/10, 694 + product3=addr_getshort("@Product 3")/10, 695 + product4=addr_getshort("@Product 4")/10, 696 + ice1=addr_getshort("@Ice condenser 1")/10, 697 + ice2=addr_getshort("@Ice condenser 2")/10, 698 + vacuum=addr_getfloat("@Vacuum") 699 + } 700 + local jsAlarm = { HPC = addr_getbit("@B_25395#W0.00"), 701 + ODPC = addr_getbit("@B_25395#W0.01"), 702 + MTPC=addr_getbit("@B_25395#W0.02"), 703 + HTT = addr_getbit("@B_25395#W1.03"), 704 + CPC = addr_getbit("@B_25395#W0.08"), 705 + CPSP =addr_getbit("@B_25395#W1.00"), 706 + CPVP =addr_getbit("@B_25395#W0.10"), 707 + CPRP =addr_getbit("@B_25395#W0.11"), 708 + HP =addr_getbit("@B_25395#W1.01"), 709 + PP= addr_getbit("@B_25395#W1.02"), 710 + PO=addr_getbit("@B_25395#W0.07"), 711 + FSE=addr_getbit("@B_25395#W2.04"), 712 + AVVSVV=addr_getbit("@B_25395#W1.12"), 713 + ICHT=addr_getbit("@B_25395#W3.06") 714 + } 715 + -- ("@B_25395#CIO1.02") 716 + mq.m:publish("mqtt-v-box-epsilon-fd300", json.encode(js) , 0, 0) 717 + mq.m:publish("mqtt-v-box-epsilon-alarm-fd300", json.encode(jsAlarm) , 0, 0) 718 + else 719 + local stat, err = mq.m:connect(mq.config) -- connection 720 + if stat == nil then --Determine whether to connect 721 + print("mqtt connect failed:", err) 722 + return -- Connection failed, return directly 723 + end 724 + mq.m:subscribe("mqtt-v-box-epsilon", 0)-- Subscribe to topics 574 574 575 - 576 - local status_text ="unknow" 577 - if addr_getbit("@Status Run")==1 then 578 - status_text = "RUNNING" 579 - else 580 - status_text = "STOP" 581 - end 582 -------------------------------------------------------------------------------------------------------------------------- 583 - 584 - local js = {type="status", 585 - mc_name ="FD300", 586 - status=status_text, 587 - elapsed_time={ 588 - hour=addr_getword("@Elapsed Time (Hour)"), 589 - min=addr_getword("@Elapsed Time (Minute)"), 590 - sec=addr_getword("@Elapsed Time (Second)") 591 - }, 592 - phase = phaseStatus, 593 - step = addr_getword("@Step"), 594 - activating_output = pr_activating, 595 - sv=addr_getshort("@SV Silicone")/10, 596 - pv=addr_getshort("@PV Silicone")/10, 597 - product1=addr_getshort("@Product 1")/10, 598 - 599 - product2=addr_getshort("@Product 2")/10, 600 - product3=addr_getshort("@Product 3")/10, 601 - product4=addr_getshort("@Product 4")/10, 602 - ice1=addr_getshort("@Ice condenser 1")/10, 603 - ice2=addr_getshort("@Ice condenser 2")/10, 604 - vacuum=addr_getfloat("@Vacuum") 605 - 606 - } 607 - local jsAlarm = { HPC = addr_getbit("@B_25395#W0.00"), 608 - ODPC = addr_getbit("@B_25395#W0.01"), 609 - MTPC=addr_getbit("@B_25395#W0.02"), 610 - HTT = addr_getbit("@B_25395#W1.03"), 611 - CPC = addr_getbit("@B_25395#W0.08"), 612 - CPSP =addr_getbit("@B_25395#W1.00"), 613 - CPVP =addr_getbit("@B_25395#W0.10"), 614 - CPRP =addr_getbit("@B_25395#W0.11"), 615 - HP =addr_getbit("@B_25395#W1.01"), 616 - PP= addr_getbit("@B_25395#W1.02"), 617 - PO=addr_getbit("@B_25395#W0.07"), 618 - FSE=addr_getbit("@B_25395#W2.04"), 619 - AVVSVV=addr_getbit("@B_25395#W1.12"), 620 - ICHT=addr_getbit("@B_25395#W3.06") 621 - 622 - } 623 - 624 - -- ("@B_25395#CIO1.02") 625 - mq.m:publish("mqtt-v-box-epsilon-fd300", json.encode(js) , 0, 0) 626 - mq.m:publish("mqtt-v-box-epsilon-alarm-fd300", json.encode(jsAlarm) , 0, 0) 627 - else 628 - local stat, err = mq.m:connect(mq.config) -- connection 629 - if stat == nil then --Determine whether to connect 630 - print("mqtt connect failed:", err) 631 - return -- Connection failed, return directly 632 - end 633 - mq.m:subscribe("mqtt-v-box-epsilon", 0)-- Subscribe to topics 634 - 635 - end 636 - -- mq.m:unsubscribe("stc/test") 637 - -- mq.m:disconnect() -- close matt 638 - -- mq.m:close() -- close clase 639 - end 726 + end 727 + -- mq.m:unsubscribe("stc/test") 728 + -- mq.m:disconnect() -- close matt 729 + -- mq.m:close() -- close clase 730 + end 640 640 end 641 641 {{/code}} 642 642
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