Changes for page 2 Script
Last modified by Devin Chen on 2025/06/06 14:03
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... ... @@ -447,37 +447,6 @@ 447 447 end 448 448 {{/code}} 449 449 450 -== **1.9 High-Low Byte Switch** == 451 - 452 -The following example is converting the floating number from order 1234 to order 3412, and formating output the number with 2 decimal point. About which high-low word order corresponding to which value, please refer to the [[Address Operation Table>>doc:V-BOX.V-Net.Manual.04 Lua Script.01 Lua Functions.WebHome||anchor="H2Addressoperation"]]. 453 - 454 -{{code language="lua"}} 455 -function highLowByteSwitch(floatNumber) 456 - addr_setfloat("@W_0#HDW23036",floatNumber,0,2) 457 - local newFloat = addr_getfloat("@W_0#HDW23036") 458 - local formattedFloat = string.format("%.2f",newFloat) 459 - print("The formatted float value is the : "..formattedFloat) 460 - return formattedFloat 461 -end 462 -{{/code}} 463 - 464 -== **1.10 Read 64bits Unsigned Value** == 465 - 466 -In our built-in function library doesn't have the function for reading 64-bit unsigned format value, so the following function is for solve this. But if the number is greater 2^53, the precision will be lost. So the final result will be a little bit different from the original value. 467 - 468 -{{code language="lua"}} 469 -function addr_getquatra(address) 470 - local highAddress = addr_newnoaddr(address,2) 471 - local low32 = addr_getdword(address) 472 - local high32 = addr_getdword(highAddress) 473 - --print("the low number is "..low32) 474 - --print("the high number is "..high32) 475 - local formatVal = string.format("%64.0f",2^32*high32+low32) 476 - print("the format value is ".. formatVal) 477 - return formatVal 478 -end 479 -{{/code}} 480 - 481 481 = **2 V-Box connect with third part server** = 482 482 483 483 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. ... ... @@ -496,9 +496,8 @@ 496 496 497 497 (% class="mark" %)2.If your server requires SSL certificate to log in,please use OpenCloud.Because only OpenCloud platform can support to upload certificate 498 498 499 - {{info}}468 +(% class="wikigeneratedid" %) 500 500 **✎Note: **Before program the script of MQTT, please make sure the server(MQTT broker) can be connected through MQTT Client tool. 501 -{{/info}} 502 502 503 503 (% class="wikigeneratedid" %) 504 504 Tool link: **[[MQTT.fx>>http://mqttfx.jensd.de/index.php/download]]** ... ... @@ -505,25 +505,6 @@ 505 505 506 506 == **2.1 V-Box connect with test server(General Example)** == 507 507 508 -The following example is trying to publish to the topic "testtopic/test/no1/7890", and subscribe the topic "testtopic/test/no1/123456". 509 - 510 -And the JSON message is like follows: 511 - 512 -{{code language="JSON"}} 513 -{ 514 - "timestamp": 1631152760, 515 - "messageId": 1, 516 - "event": "test_data", 517 - "mfrs": "HMI/box", 518 - "data": 519 - { 520 - "id" : 1436217747670454274, 521 - "waterlevel" : 48, 522 - "temperture" : 23 523 - } 524 -} 525 -{{/code}} 526 - 527 527 {{code language="lua"}} 528 528 --MQTT configuration table 529 529 local MQTT_CFG={} ... ... @@ -565,13 +565,9 @@ 565 565 --initialize mqtt 566 566 function mqtt_init() 567 567 print(string.format("mqtt init mqtt_url:%s mqtt_clientid:%s", MQTT_URL, MQTT_CLIENT_ID)) 568 - if g_mq then 569 - mqtt.close() --Close mqtt object 570 - end 571 571 g_mq, err = mqtt.create(MQTT_URL, MQTT_CLIENT_ID) -- create mqtt object,and declare it as a global variable 572 572 if g_mq then 573 573 g_mq:on("message", mqtt_msg_callback) -- Register a callback for receiving messages 574 - g_mq:on("offline", mqtt_msg_offline) -- Register a callback for offline 575 575 print("mqtt init success") 576 576 else 577 577 print("mqtt init failed:", err) ... ... @@ -591,11 +591,6 @@ 591 591 g_mq:subscribe(SUBSCRIBE_TOPIC, 0) 592 592 end 593 593 594 ---Offline callback function 595 -function mqtt_msg_offline(cause) 596 - print("mqtt offline, cause:", cause) 597 -end 598 - 599 599 -- Received message callback function 600 600 function mqtt_msg_callback(topic, msg) 601 601 print("topic:", topic) ... ... @@ -634,11 +634,9 @@ 634 634 if g_mq:isconnected() then 635 635 send_data() 636 636 else 637 - --if exceed 5sec not connect, reconnect once638 - if os.time() - LAST_TIME > 5then577 + --if exceed 20 sec not connect, reconnect once 578 + if os.time() - LAST_TIME > 20 then 639 639 LAST_TIME = os.time() 640 - --reinitial the mqtt object 641 - mqtt_init() 642 642 --connect to mqtt or reconnect 643 643 mqtt_connect() 644 644 end ... ... @@ -1218,20 +1218,35 @@ 1218 1218 1219 1219 {{code language="java"}} 1220 1220 { 1159 + 1221 1221 "Version": "2012-10-17", 1161 + 1222 1222 "Statement": [ 1163 + 1223 1223 { 1165 + 1224 1224 "Effect": "Allow", 1167 + 1225 1225 "Action": [ 1169 + 1226 1226 "iot:Connect", 1171 + 1227 1227 "iot:Publish", 1173 + 1228 1228 "iot:Subscribe", 1175 + 1229 1229 "iot:Receive", 1177 + 1230 1230 "greengrass:Discover" 1179 + 1231 1231 ], 1181 + 1232 1232 "Resource": "*" 1183 + 1233 1233 } 1185 + 1234 1234 ] 1187 + 1235 1235 } 1236 1236 {{/code}} 1237 1237 ... ... @@ -1296,190 +1296,185 @@ 1296 1296 1297 1297 [[image:image-20220709165402-20.png]] 1298 1298 1299 -{{info}} 1300 -**✎Note:** Before using the following demo script, please make sure the V-Box firmware is newer than 22110701 1301 -{{/info}} 1302 - 1303 -{{code language="lua"}} 1304 1304 sprint = print 1305 1305 1306 ---Cloud mode interface to obtain the MQTT information configured by the cloud platform: (5 returns, namely the server address, client ID, connection table, last word table, certificate table) 1254 +~-~-Cloud mode interface to obtain the MQTT information configured by the cloud platform: (5 returns, namely the server address, client ID, connection table, last word table, certificate table) 1307 1307 1308 1308 local MQTT_URL, MQTT_CLIENTID, MQTT_CFG, MQTT_LWT, MQTT_CART = mqtt.setup_cfg() 1309 1309 1310 ---publish to topics 1258 +~-~-publish to topics 1311 1311 1312 1312 local pub_RE_TOPIC = string.format('TEST') 1313 1313 1314 ---Subscribe topics 1262 +~-~-Subscribe topics 1315 1315 1316 1316 local Subscribe_RE_TOPIC1 = string.format('TEST') 1317 1317 1318 ---variable 1266 +~-~-variable 1319 1319 1320 1320 local last_time = 0 1321 1321 1322 ---Timing main function 1270 +~-~-Timing main function 1323 1323 1324 1324 function aws.main() 1325 1325 1326 - 1274 + sprint(os.date("%Y-%m-%d %H:%M %S", os.time()) .. " aws.main start") 1327 1327 1328 - 1276 + if g_mq then 1329 1329 1330 - 1278 + if g_mq:isconnected() then 1331 1331 1332 - 1280 + send_Data() 1333 1333 1334 - 1282 + else 1335 1335 1336 - 1284 + if os.time() - last_time > 5 then 1337 1337 1338 - 1286 + last_time = os.time() 1339 1339 1340 - 1288 + mymqtt_connect() 1341 1341 1342 - end 1343 - 1344 1344 end 1345 1345 1346 - lse1292 + end 1347 1347 1348 - mymqtt_init()1294 + else 1349 1349 1350 - end1296 + mymqtt_init() 1351 1351 1352 - sprint(os.date("%Y-%m-%d %H:%M %S", os.time()) .. " aws.mainend")1298 + end 1353 1353 1300 + sprint(os.date("%Y-%m-%d %H:%M %S", os.time()) .. " aws.main end") 1301 + 1354 1354 end 1355 1355 1356 1356 1305 +~-~- Initialize MQTT 1357 1357 1358 --- Initialize MQTT 1359 - 1360 1360 function mymqtt_init() 1361 1361 1362 - 1309 + sprint(string.format("mqtt init mqtt_url:%s mqtt_clientid:%s", MQTT_URL, MQTT_CLIENTID)) 1363 1363 1364 - , 1) -- Create the object and declare it as a global variable, 1 means using the domain to connect1311 + g_mq, err = mqtt.create(MQTT_URL, MQTT_CLIENTID) ~-~- Create the object and declare it as a global variable 1365 1365 1366 - 1313 + if g_mq then 1367 1367 1368 - 1315 + g_mq:on("message", mymqtt_msg_callback) ~-~- Register to receive message callbacks 1369 1369 1370 - 1317 + sprint("mqtt init success") 1371 1371 1372 - 1319 + else 1373 1373 1374 - 1321 + sprint("mqtt init failed:", err) 1375 1375 1376 - 1323 + end 1377 1377 1378 1378 end 1379 1379 1380 --- Connect to MQTT server 1327 +~-~- Connect to MQTT server 1381 1381 1382 1382 function mymqtt_connect() 1383 1383 1384 - 1331 + sprint("mqtt connecting...") 1385 1385 1386 - 1333 + local stat, err = g_mq:connect(MQTT_CFG,MQTT_LWT, MQTT_CART) 1387 1387 1388 - 1335 + if stat == nil then 1389 1389 1390 - 1337 + sprint("mqtt connect failed:", err) 1391 1391 1392 - 1339 + return 1393 1393 1394 - 1341 + else 1395 1395 1396 - 1343 + sprint("mqtt connected") 1397 1397 1398 - 1345 + end 1399 1399 1400 - Subscribe_RE_TOPIC1, 0)1347 + g_mq:subscribe(TEST, 0) 1401 1401 1402 1402 end 1403 1403 1404 --- Receive MQTT message callback function 1351 +~-~- Receive MQTT message callback function 1405 1405 1406 1406 function mymqtt_msg_callback(topic, msg) 1407 1407 1408 - 1355 + print("topic:",topic) 1409 1409 1410 - 1357 + print("revdata:",msg) 1411 1411 1412 - 1359 + local revData = json.decode(msg) 1413 1413 1414 - 1361 + print (revData) 1415 1415 1416 - 1363 + if topic == Subscribe_RE_TOPIC1 then ~-~-Process topic information subscribed from the cloud 1417 1417 1418 - 1365 +if string.match(topic,Subscribe_RE_TOPIC1) then 1419 1419 1420 - 1367 + ~-~-if revData ~~= nil then 1421 1421 1422 - 1369 + for k,v in pairs (revData) do 1423 1423 1424 - 1371 + print("printing revdata after kv here") 1425 1425 1426 - 1373 + print (k,v) 1427 1427 1428 - 1375 + end 1429 1429 1430 - 1377 + print ("current state is",fanstate) 1431 1431 1432 - 1379 + ~-~-end 1433 1433 1434 - 1381 +end 1435 1435 1436 - 1383 +end 1437 1437 1438 1438 end 1439 1439 1440 1440 1388 +~-~-Get real-time data 1441 1441 1442 ---Get real-time data 1443 - 1444 1444 function getData() 1445 1445 1446 - 1392 + local jdata = {} 1447 1447 1448 - 1394 + local addr = bns_get_alldata() 1449 1449 1450 - 1396 + print(json.encode(addr)) 1451 1451 1452 - 1398 + for i,v in pairs(addr) do 1453 1453 1454 - 1400 + if v[2] == 1 then 1455 1455 1456 - 1402 + jdata[v[3]] = v[4] 1457 1457 1458 - 1404 + end 1459 1459 1460 - 1406 + end 1461 1461 1462 - 1408 + return jdata 1463 1463 1464 1464 end 1465 1465 1466 ---send data 1412 +~-~-send data 1467 1467 1468 1468 function send_Data() 1469 1469 1470 - local pub_data = 1471 - { 1472 - 123 1473 - } 1416 + local pub_data = 1474 1474 1418 + { 1419 + 1420 +123 1421 + 1422 +} 1423 + 1475 1475 sprint(json.encode(pub_data)) 1476 1476 1477 1477 print("..........",pub_RE_TOPIC) 1478 1478 1479 - 1428 + return g_mq:publish(pub_RE_TOPIC, json.encode(pub_data), 0, 0) 1480 1480 1481 1481 end 1482 -{{/code}} 1483 1483 1484 1484 Get message in AWS 1485 1485