Changes for page 2 Script
Last modified by Devin Chen on 2025/06/06 14:03
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... ... @@ -465,9 +465,8 @@ 465 465 466 466 (% class="mark" %)2.If your server requires SSL certificate to log in,please use OpenCloud.Because only OpenCloud platform can support to upload certificate 467 467 468 - {{info}}468 +(% class="wikigeneratedid" %) 469 469 **✎Note: **Before program the script of MQTT, please make sure the server(MQTT broker) can be connected through MQTT Client tool. 470 -{{/info}} 471 471 472 472 (% class="wikigeneratedid" %) 473 473 Tool link: **[[MQTT.fx>>http://mqttfx.jensd.de/index.php/download]]** ... ... @@ -515,13 +515,9 @@ 515 515 --initialize mqtt 516 516 function mqtt_init() 517 517 print(string.format("mqtt init mqtt_url:%s mqtt_clientid:%s", MQTT_URL, MQTT_CLIENT_ID)) 518 - if g_mq then 519 - mqtt.close() --Close mqtt object 520 - end 521 521 g_mq, err = mqtt.create(MQTT_URL, MQTT_CLIENT_ID) -- create mqtt object,and declare it as a global variable 522 522 if g_mq then 523 523 g_mq:on("message", mqtt_msg_callback) -- Register a callback for receiving messages 524 - g_mq:on("offline", mqtt_msg_offline) -- Register a callback for offline 525 525 print("mqtt init success") 526 526 else 527 527 print("mqtt init failed:", err) ... ... @@ -541,11 +541,6 @@ 541 541 g_mq:subscribe(SUBSCRIBE_TOPIC, 0) 542 542 end 543 543 544 ---Offline callback function 545 -function mqtt_msg_offline(cause) 546 - print("mqtt offline, cause:", cause) 547 -end 548 - 549 549 -- Received message callback function 550 550 function mqtt_msg_callback(topic, msg) 551 551 print("topic:", topic) ... ... @@ -584,11 +584,9 @@ 584 584 if g_mq:isconnected() then 585 585 send_data() 586 586 else 587 - --if exceed 5sec not connect, reconnect once588 - if os.time() - LAST_TIME > 5then577 + --if exceed 20 sec not connect, reconnect once 578 + if os.time() - LAST_TIME > 20 then 589 589 LAST_TIME = os.time() 590 - --reinitial the mqtt object 591 - mqtt_init() 592 592 --connect to mqtt or reconnect 593 593 mqtt_connect() 594 594 end ... ... @@ -1168,20 +1168,35 @@ 1168 1168 1169 1169 {{code language="java"}} 1170 1170 { 1159 + 1171 1171 "Version": "2012-10-17", 1161 + 1172 1172 "Statement": [ 1163 + 1173 1173 { 1165 + 1174 1174 "Effect": "Allow", 1167 + 1175 1175 "Action": [ 1169 + 1176 1176 "iot:Connect", 1171 + 1177 1177 "iot:Publish", 1173 + 1178 1178 "iot:Subscribe", 1175 + 1179 1179 "iot:Receive", 1177 + 1180 1180 "greengrass:Discover" 1179 + 1181 1181 ], 1181 + 1182 1182 "Resource": "*" 1183 + 1183 1183 } 1185 + 1184 1184 ] 1187 + 1185 1185 } 1186 1186 {{/code}} 1187 1187 ... ... @@ -1246,190 +1246,185 @@ 1246 1246 1247 1247 [[image:image-20220709165402-20.png]] 1248 1248 1249 -{{info}} 1250 -**✎Note:** Before using the following demo script, please make sure the V-Box firmware is newer than 22110701 1251 -{{/info}} 1252 - 1253 -{{code language="lua"}} 1254 1254 sprint = print 1255 1255 1256 ---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) 1257 1257 1258 1258 local MQTT_URL, MQTT_CLIENTID, MQTT_CFG, MQTT_LWT, MQTT_CART = mqtt.setup_cfg() 1259 1259 1260 ---publish to topics 1258 +~-~-publish to topics 1261 1261 1262 1262 local pub_RE_TOPIC = string.format('TEST') 1263 1263 1264 ---Subscribe topics 1262 +~-~-Subscribe topics 1265 1265 1266 1266 local Subscribe_RE_TOPIC1 = string.format('TEST') 1267 1267 1268 ---variable 1266 +~-~-variable 1269 1269 1270 1270 local last_time = 0 1271 1271 1272 ---Timing main function 1270 +~-~-Timing main function 1273 1273 1274 1274 function aws.main() 1275 1275 1276 - 1274 + sprint(os.date("%Y-%m-%d %H:%M %S", os.time()) .. " aws.main start") 1277 1277 1278 - 1276 + if g_mq then 1279 1279 1280 - 1278 + if g_mq:isconnected() then 1281 1281 1282 - 1280 + send_Data() 1283 1283 1284 - 1282 + else 1285 1285 1286 - 1284 + if os.time() - last_time > 5 then 1287 1287 1288 - 1286 + last_time = os.time() 1289 1289 1290 - 1288 + mymqtt_connect() 1291 1291 1292 - end 1293 - 1294 1294 end 1295 1295 1296 - lse1292 + end 1297 1297 1298 - mymqtt_init()1294 + else 1299 1299 1300 - end1296 + mymqtt_init() 1301 1301 1302 - sprint(os.date("%Y-%m-%d %H:%M %S", os.time()) .. " aws.mainend")1298 + end 1303 1303 1300 + sprint(os.date("%Y-%m-%d %H:%M %S", os.time()) .. " aws.main end") 1301 + 1304 1304 end 1305 1305 1306 1306 1305 +~-~- Initialize MQTT 1307 1307 1308 --- Initialize MQTT 1309 - 1310 1310 function mymqtt_init() 1311 1311 1312 - 1309 + sprint(string.format("mqtt init mqtt_url:%s mqtt_clientid:%s", MQTT_URL, MQTT_CLIENTID)) 1313 1313 1314 - , 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 1315 1315 1316 - 1313 + if g_mq then 1317 1317 1318 - 1315 + g_mq:on("message", mymqtt_msg_callback) ~-~- Register to receive message callbacks 1319 1319 1320 - 1317 + sprint("mqtt init success") 1321 1321 1322 - 1319 + else 1323 1323 1324 - 1321 + sprint("mqtt init failed:", err) 1325 1325 1326 - 1323 + end 1327 1327 1328 1328 end 1329 1329 1330 --- Connect to MQTT server 1327 +~-~- Connect to MQTT server 1331 1331 1332 1332 function mymqtt_connect() 1333 1333 1334 - 1331 + sprint("mqtt connecting...") 1335 1335 1336 - 1333 + local stat, err = g_mq:connect(MQTT_CFG,MQTT_LWT, MQTT_CART) 1337 1337 1338 - 1335 + if stat == nil then 1339 1339 1340 - 1337 + sprint("mqtt connect failed:", err) 1341 1341 1342 - 1339 + return 1343 1343 1344 - 1341 + else 1345 1345 1346 - 1343 + sprint("mqtt connected") 1347 1347 1348 - 1345 + end 1349 1349 1350 - Subscribe_RE_TOPIC1, 0)1347 + g_mq:subscribe(TEST, 0) 1351 1351 1352 1352 end 1353 1353 1354 --- Receive MQTT message callback function 1351 +~-~- Receive MQTT message callback function 1355 1355 1356 1356 function mymqtt_msg_callback(topic, msg) 1357 1357 1358 - 1355 + print("topic:",topic) 1359 1359 1360 - 1357 + print("revdata:",msg) 1361 1361 1362 - 1359 + local revData = json.decode(msg) 1363 1363 1364 - 1361 + print (revData) 1365 1365 1366 - 1363 + if topic == Subscribe_RE_TOPIC1 then ~-~-Process topic information subscribed from the cloud 1367 1367 1368 - 1365 +if string.match(topic,Subscribe_RE_TOPIC1) then 1369 1369 1370 - 1367 + ~-~-if revData ~~= nil then 1371 1371 1372 - 1369 + for k,v in pairs (revData) do 1373 1373 1374 - 1371 + print("printing revdata after kv here") 1375 1375 1376 - 1373 + print (k,v) 1377 1377 1378 - 1375 + end 1379 1379 1380 - 1377 + print ("current state is",fanstate) 1381 1381 1382 - 1379 + ~-~-end 1383 1383 1384 - 1381 +end 1385 1385 1386 - 1383 +end 1387 1387 1388 1388 end 1389 1389 1390 1390 1388 +~-~-Get real-time data 1391 1391 1392 ---Get real-time data 1393 - 1394 1394 function getData() 1395 1395 1396 - 1392 + local jdata = {} 1397 1397 1398 - 1394 + local addr = bns_get_alldata() 1399 1399 1400 - 1396 + print(json.encode(addr)) 1401 1401 1402 - 1398 + for i,v in pairs(addr) do 1403 1403 1404 - 1400 + if v[2] == 1 then 1405 1405 1406 - 1402 + jdata[v[3]] = v[4] 1407 1407 1408 - 1404 + end 1409 1409 1410 - 1406 + end 1411 1411 1412 - 1408 + return jdata 1413 1413 1414 1414 end 1415 1415 1416 ---send data 1412 +~-~-send data 1417 1417 1418 1418 function send_Data() 1419 1419 1420 - local pub_data = 1421 - { 1422 - 123 1423 - } 1416 + local pub_data = 1424 1424 1418 + { 1419 + 1420 +123 1421 + 1422 +} 1423 + 1425 1425 sprint(json.encode(pub_data)) 1426 1426 1427 1427 print("..........",pub_RE_TOPIC) 1428 1428 1429 - 1428 + return g_mq:publish(pub_RE_TOPIC, json.encode(pub_data), 0, 0) 1430 1430 1431 1431 end 1432 -{{/code}} 1433 1433 1434 1434 Get message in AWS 1435 1435