Changes for page 2 Script
Last modified by Devin Chen on 2025/06/06 14:03
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... ... @@ -349,6 +349,104 @@ 349 349 end 350 350 {{/code}} 351 351 352 +== **1.8 How to parse value from HTTP response body** == 353 + 354 +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": 355 + 356 +(% style="text-align:center" %) 357 +[[image:InputHTTPparameter.png]] 358 + 359 +Then the response body would be like as following: 360 + 361 +{{code language="json"}} 362 +{ 363 + "location": { 364 + "name": "Madrid", 365 + "region": "Madrid", 366 + "country": "Spain", 367 + "lat": 40.4, 368 + "lon": -3.68, 369 + "tz_id": "Europe/Madrid", 370 + "localtime_epoch": 1669022636, 371 + "localtime": "2022-11-21 10:23" 372 + }, 373 + "current": { 374 + "last_updated_epoch": 1669022100, 375 + "last_updated": "2022-11-21 10:15", 376 + "temp_c": 13.0, 377 + "temp_f": 55.4, 378 + "is_day": 1, 379 + "condition": { 380 + "text": "Partly cloudy", 381 + "icon": "//cdn.weatherapi.com/weather/64x64/day/116.png", 382 + "code": 1003 383 + }, 384 + "wind_mph": 11.9, 385 + "wind_kph": 19.1, 386 + "wind_degree": 210, 387 + "wind_dir": "SSW", 388 + "pressure_mb": 1015.0, 389 + "pressure_in": 29.97, 390 + "precip_mm": 0.0, 391 + "precip_in": 0.0, 392 + "humidity": 88, 393 + "cloud": 75, 394 + "feelslike_c": 10.8, 395 + "feelslike_f": 51.4, 396 + "vis_km": 10.0, 397 + "vis_miles": 6.0, 398 + "uv": 3.0, 399 + "gust_mph": 22.1, 400 + "gust_kph": 35.6 401 + } 402 +} 403 +{{/code}} 404 + 405 +(% class="wikigeneratedid" %) 406 +So we decode json into lua object to assign the value into addresses HDW6060(temperature), HDW7070(humidity), the code example like follows: 407 + 408 +{{code language="lua"}} 409 +local APIkey = '70faaecf926b4341b1974006221711' 410 + 411 + 412 +local http = require("socket.http") 413 +local json = require("json") 414 + 415 +-- Send http.get request and return response result 416 +function getHttpsUrl(url) 417 + local result_table, code, headers, status = http.request(url) 418 + print("code:"..code) 419 + if code~= 200 then 420 + return 421 + else 422 + return result_table 423 + end 424 +end 425 + 426 +function sendAPI(key, city) 427 + local url = "http://api.weatherapi.com/v1/current.json?key="..key.."&q="..city.."&aqi=no" 428 + --local url = 'http://v-box.net' 429 + --local url = 'https://www.google.com/' 430 + --http://api.weatherapi.com/v1/current.json?key=70faaecf926b4341b1974006221711&q=Barcelona&aqi=no 431 + print("Get the link:"..url) 432 + local body = getHttpsUrl(url) 433 + --print(body) 434 + local jsonBody = json.decode(body) 435 + --print(jsonBody["current"]["temp_c"]) 436 + --print(type(jsonBody["current"]["temp_c"])) 437 + --print(type(jsonBody["current"]["humidity"])) 438 + addr_setfloat("@HDW6060", jsonBody["current"]["temp_c"]) 439 + addr_setword("@HDW7070", jsonBody["current"]["humidity"]) 440 +end 441 + 442 + 443 +function Weather.main() 444 + local cityName = addr_getstring("@HDW5050",6) 445 + print("cityName: "..cityName) 446 + sendAPI(APIkey, cityName) 447 +end 448 +{{/code}} 449 + 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 - 602 + if not mq.m then 603 + 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")) 605 + mq.m, err = mqtt.create("tcp://grouprobotinfo.com:1883", "ClienID") -- create connection 606 + if mq.m then 607 + mq.config = { 608 + username = "",-- ID 609 + password = "",-- password 610 + netway = 1, -- Ethernet connection, WIFI=1 611 + -- keepalive = 100, -- Optional, set the connection heartbeat interval for 100 seconds. 612 + -- cleansession = 0, -- Optional, keep session 613 + } 614 + mq.m:on("message", function(topic, msg) -- Register for receiving message callbacks 615 + local str = string.format("%s:%s", topic, msg) 616 + -- print("mqtt msg:", str) -- Print out the received topics and content 617 + end) 618 + mq.m:on("offline", function (cause) -- Register for lost connection callbacks 619 + -- addr_setstring("@xxx", "cause"..(cause or " got nil")) 620 + end) 621 + mq.m:on("arrived", function() -- Registration for sending messages to callbacks 622 + print("msg arrived") 623 + end) 624 + else 625 + print("mqtt create failed:", err) -- Create object failed 626 + end 627 + else 628 + if mq.m:isconnected() then -- If online, post a message 629 + local phaseStatus ="unknow" 630 + if addr_getbit("@Standby")== 1 then 631 + phaseStatus = "Standby" 632 + elseif addr_getbit("@Pre-Freeze")==1 then 633 + phaseStatus= "Pre-Freeze" 634 + elseif addr_getbit("@Prepare")==1 then 635 + phaseStatus ="Prepare" 636 + elseif addr_getbit("@Primary Dry")==1 then 637 + phaseStatus = "Primary dry" 638 + elseif addr_getbit("@Secondary Dry")==1 then 639 + phaseStatus = "Secondary Dry" 640 + end 641 + --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) 643 + local activating ="unknow" 644 + if addr_getbit("@Compressor")==1 then 645 + activating = ",".."Compressor" 646 + end 647 + if addr_getbit("@Silicone Pump")==1 then 648 + activating = activating..",".."Silicone Pump" 649 + end 650 + if addr_getbit("@Vacuum Pump")==1 then 651 + activating = activating..",".."Vacuum Pump" 652 + end 653 + if addr_getbit("@Root Pump")==1 then 654 + activating = activating..",".."Root Pump" 655 + end 656 + if addr_getbit("@Heater")==1 then 657 + activating = activating..",".."Heater" 658 + end 659 + if addr_getbit("@Valve Silicone")==1 then 660 + activating = activating..",".."Valve Silicone" 661 + end 662 + if addr_getbit("@Valve Ice Condenser")==1 then 663 + activating = activating..",".."Valve Ice Condenser" 664 + end 665 + if addr_getbit("@Valve Vacuum Pump")==1 then 666 + activating = activating..",".."Valve Vacuum Pump" 667 + end 668 + local pr_activating =string.sub(activating,2) 669 + -- print(pr_activating) 670 + local status_text ="unknow" 671 + if addr_getbit("@Status Run")==1 then 672 + status_text = "RUNNING" 673 + else 674 + status_text = "STOP" 675 + end 676 +------------------------------------------------------------------------------------------------------------------------- 677 + local js = {type="status", 678 + mc_name ="FD300", 679 + status=status_text, 680 + elapsed_time={ 681 + hour=addr_getword("@Elapsed Time (Hour)"), 682 + min=addr_getword("@Elapsed Time (Minute)"), 683 + sec=addr_getword("@Elapsed Time (Second)") 684 + }, 685 + phase = phaseStatus, 686 + step = addr_getword("@Step"), 687 + activating_output = pr_activating, 688 + sv=addr_getshort("@SV Silicone")/10, 689 + pv=addr_getshort("@PV Silicone")/10, 690 + product1=addr_getshort("@Product 1")/10, 573 573 692 + product2=addr_getshort("@Product 2")/10, 693 + product3=addr_getshort("@Product 3")/10, 694 + product4=addr_getshort("@Product 4")/10, 695 + ice1=addr_getshort("@Ice condenser 1")/10, 696 + ice2=addr_getshort("@Ice condenser 2")/10, 697 + vacuum=addr_getfloat("@Vacuum") 698 + } 699 + local jsAlarm = { HPC = addr_getbit("@B_25395#W0.00"), 700 + ODPC = addr_getbit("@B_25395#W0.01"), 701 + MTPC=addr_getbit("@B_25395#W0.02"), 702 + HTT = addr_getbit("@B_25395#W1.03"), 703 + CPC = addr_getbit("@B_25395#W0.08"), 704 + CPSP =addr_getbit("@B_25395#W1.00"), 705 + CPVP =addr_getbit("@B_25395#W0.10"), 706 + CPRP =addr_getbit("@B_25395#W0.11"), 707 + HP =addr_getbit("@B_25395#W1.01"), 708 + PP= addr_getbit("@B_25395#W1.02"), 709 + PO=addr_getbit("@B_25395#W0.07"), 710 + FSE=addr_getbit("@B_25395#W2.04"), 711 + AVVSVV=addr_getbit("@B_25395#W1.12"), 712 + ICHT=addr_getbit("@B_25395#W3.06") 713 + } 714 + -- ("@B_25395#CIO1.02") 715 + mq.m:publish("mqtt-v-box-epsilon-fd300", json.encode(js) , 0, 0) 716 + mq.m:publish("mqtt-v-box-epsilon-alarm-fd300", json.encode(jsAlarm) , 0, 0) 717 + else 718 + local stat, err = mq.m:connect(mq.config) -- connection 719 + if stat == nil then --Determine whether to connect 720 + print("mqtt connect failed:", err) 721 + return -- Connection failed, return directly 722 + end 723 + 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 725 + end 726 + -- mq.m:unsubscribe("stc/test") 727 + -- mq.m:disconnect() -- close matt 728 + -- mq.m:close() -- close clase 729 + end 640 640 end 641 641 {{/code}} 642 642
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