Wiki source code of 05 Lua Script

Version 77.1 by Jett on 2025/06/07 17:32

version	line-number	content
73.1	1	= 1 Arithmetic operations =
1.1	2
	3	The example shows how to do the Addition, Subtraction, Multiplication and Division for HMI internal address.
	4
73.1	5	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Arithmetic%20operations%20by%20Lua%20V1.0.zip]]
1.1	6
12.1	7	= 2 MQTT Client =
1.1	8
	9	The example shows how to connect to the MQTT server.(Test on MaQiaTTo)
	10
64.1	11	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Lua%20MQTT%20Client.zip]]
1.1	12
	13	= 3 Timer =
	14
	15	The example shows how to use the Lua Timer function.
	16
65.1	17	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/LuaTimer.zip]]
1.1	18
	19	= 4 Trigger =
	20
	21	The example shows how to use the Lua Trigger function.
	22
66.1	23	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/LuaTrigger.zip]]
1.1	24
	25	= 5 User Free Protocol =
	26
	27	The example shows the simple write and read of User Free protocol
	28
67.1	29	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Lua%20User%20Free%20Protocol.zip]]
1.1	30
	31	= 6 Arabic Keypad =
	32
	33	The example shows how to use the Lua to achieve the Arabic keypad. Also available for other non-English language like Cyrillic.
	34
68.1	35	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/ArabicKeyboard.zip]]
3.1	36
	37	= 7 FTP Client =
	38
62.1	39	The example shows how to establish the FTP server at WIN10 OS and make V2.0 HMI as FTP client.
3.1	40
46.1	41	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/FTP%20ClientV2.zip]]
17.1	42
62.1	43	(% class="box infomessage" %)
	44	(((
	45	Note: The above demo can work normal in OS V2.0. But if HMI OS is V3.0, please change "r+" to "r" in the script.
	46	)))
	47
	48	(% style="text-align:center" %)
	49	[[image:dZyxVCtWDz.png]]
	50
15.1	51	~1. About how to set up the FTP server in Windows PC: [[Build an FTP Site on IIS>>https://docs.microsoft.com/en-us/iis/publish/using-the-ftp-service/scenario-build-an-ftp-site-on-iis]] , [[How to set up and manage an FTP server on Windows 10>>https://www.windowscentral.com/how-set-and-manage-ftp-server-windows-10]]
7.1	52
15.1	53	2. Enter PC (FTP Server) IP address and port number (Default 21).
7.1	54
15.1	55	(% style="text-align:center" %)
	56	[[image:LuaFTPDemoIP&Port.png]]
8.1	57
15.1	58	3. Change the filename of the file that needs to be uploaded. If run on as Offline Simulator, the simulate upload path of "udisk:1.png" will be "C:\WECON\USB\1.png" on the PC.
8.1	59
15.1	60	(% style="text-align:center" %)
	61	[[image:LuaFTPDemoUpload.png]]
	62
	63	4. Change drive letter of file save path according to drop-down list (There are three option available: Flash, UDisk and SDCard).
	64
	65	(% style="text-align:center" %)
	66	[[image:LuaFTPDemoDropBox.png]]
	67
	68	5. Change the filename of the file that needs to be downloaded from PC(Server).
	69
	70	(% style="text-align:center" %)
	71	[[image:LuaFTPDemoDownload.png]]
	72
	73	6. Set the default configuration in file "Script_BG.lua"
	74
	75	(% style="text-align:center" %)
	76	[[image:LuaFTPDemoInitial.png]]
	77
57.2	78	(% class="box infomessage" %)
	79	(((
16.1	80	✎Note: If want to confirm whether it is downloaded successfully, please add a File list object to check in HMI project. If saved path is root path (same to the all three drive), please set the folder as "~/~/".
57.2	81	)))
15.1	82
16.1	83	(% style="text-align:center" %)
	84	[[image:LuaFTPDemoFilelist.png]]
	85
57.2	86	Common error：
	87
	88	In the demo project, if there are some errors in HMI for testing, please check the following steps.
	89
	90	Error 1: 550 Access is denied
	91
75.2	92	Open Windows Settings → Update & Security→ Windows Security→ Firewall & network protection→ Advanced setting→ Inbound Rules→ New Rules→ Next → choose "This program path"→ input "C:\Windows\System32\svchost.exe"→ Click "NEXT" continuously
57.2	93
	94	(% style="text-align:center" %)
	95	[[image:qCzqnKTUhp.png]]
	96
	97	(% style="text-align:center" %)
	98	[[image:vfrt3NElMX.png]]
	99
	100	(% style="text-align:center" %)
	101	[[image:dAuz25bdvM.png]]
	102
	103	(% style="text-align:center" %)
	104	[[image:rxQIJkX8ll.png]]
	105
	106	(% style="text-align:center" %)
	107	[[image:vmG8WGu5P2.png]]
	108
58.2	109
	110	Error 2: No route to host
	111
75.2	112	The previous steps are the same as Error 1 → Port → specific local ports→ input port number "21"→ Click "NEXT" continuously
58.2	113
	114	(% style="text-align:center" %)
	115	[[image:fdsxie8WHc.png]]
	116
	117	(% style="text-align:center" %)
	118	[[image:4ALQq7niTV.png]]
	119
4.1	120	= 8 Telegram Notification =
	121
5.1	122	The example shows how to use Bot API to push the notification to channel or group of Telegram. Please change the Token and Chat id to users' own one.
4.1	123
69.1	124	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Telegram.zip]]
18.1	125
75.1	126	= 9 LINE Notify(Not available now) =
18.1	127
21.1	128	This example shows how to use the LINE Notify to send message into LINE group. When monitoring bit "@B_HDX0.0" changes, it will trigger and send the message. Please replace with your own Token.
18.1	129
19.1	130	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/line.zip]]
21.2	131
	132
	133	= 10 How to parse value from subscribing MQTT topic =
	134
77.1	135	(% class="box infomessage" %)
	136	(((
	137	Only ig series can use this function.
	138	)))
	139
21.3	140	This example shows how to parse value from subscribing MQTT topic. Get the value and calculate the average value for group F1, F2, F3 and F4. The testing topic name is "testtopic/test/no1/123456".
	141
22.1	142	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/MQTT%20JSON%20parse.zip]]
21.3	143
21.2	144	And the subscribed content is like following:
	145
	146	{{code language="json"}}
	147	{
	148	"Cluster_ID": "2",
	149	"timestamp": "07:01:45-18.02.2022",
	150	"Cust_id": "TAM-1",
	151	"Platform_id": "Pro44ead8a8dc3345ACC",
	152	"version": "1.5",
	153	"Line_active": "true",
	154	"Total_sensor": "5",
	155	"F1": [
	156	{
	157	"Counter": "0",
	158	"Value": "11"
	159	},
	160	{
	161	"Counter": "1",
	162	"Value": "21.1"
	163	},
	164	{
	165	"Counter": "2",
	166	"Value": "9"
	167	},
	168	{
	169	"Counter": "3",
	170	"Value": "0.06"
	171	},
	172	{
	173	"Counter": "4",
	174	"Value": "9"
	175	},
	176	{
	177	"Counter": "5",
	178	"Value": "19"
	179	},
	180	{
	181	"Counter": "6",
	182	"Value": "9"
	183	},
	184	{
	185	"Counter": "7",
	186	"Value": "19"
	187	},
	188	{
	189	"Counter": "8",
	190	"Value": "22.89"
	191	}
	192	],
	193	"F2": [
	194	{
	195	"Counter": "0",
	196	"Value": "1.1"
	197	},
	198	{
	199	"Counter": "1",
	200	"Value": "21.21"
	201	},
	202	{
	203	"Counter": "2",
	204	"Value": "19"
	205	},
	206	{
	207	"Counter": "3",
	208	"Value": "0.6"
	209	},
	210	{
	211	"Counter": "4",
	212	"Value": "8"
	213	},
	214	{
	215	"Counter": "5",
	216	"Value": "19.1"
	217	},
	218	{
	219	"Counter": "6",
	220	"Value": "5.1"
	221	}
	222	],
	223	"F4": [
	224	{
	225	"Counter": "0",
	226	"Value": "11"
	227	},
	228	{
	229	"Counter": "1",
	230	"Value": "21.1"
	231	},
	232	{
	233	"Counter": "2",
	234	"Value": "9"
	235	},
	236	{
	237	"Counter": "3",
	238	"Value": "0.06"
	239	},
	240	{
	241	"Counter": "4",
	242	"Value": "9"
	243	},
	244	{
	245	"Counter": "5",
	246	"Value": "19"
	247	},
	248	{
	249	"Counter": "6",
	250	"Value": "9"
	251	},
	252	{
	253	"Counter": "7",
	254	"Value": "12.1"
	255	},
	256	{
	257	"Counter": "8",
	258	"Value": "18.1"
	259	}
	260	]
	261	}
	262	{{/code}}
	263
21.3	264	So we decode this json into lua object, and then assign the values from "Value" field into table (addresses HDW1~~HDW101, HDW112~~HDW202, HDW213~~HDW313, HDW324~~HDW424).
21.2	265
	266	(% style="text-align:center" %)
	267	[[image:MQTTScreen.png]]
	268
21.3	269	Due to the MQTT code is not able to running on the simulator from PC, following picture is the testing result from actual HMI screen:
	270
	271	(% style="text-align:center" %)
	272	[[image:MQTTactualtestingresult.png]]
	273
	274	The JSON parser function is located on mqttAction.lua, called mqtt_msg_callback.
	275
	276	(% style="text-align:center" %)
	277	[[image:MQTTJSONparsefunction.png]]
	278
23.1	279	= 11 High-Low Byte Switch =
24.1	280
26.1	281	The example shows how to convert high bytes and low bytes for one 16bit address. Main function is like following:
25.1	282
	283	{{code language="lua"}}
	284	local lowByte = val & 0x00ff
	285	local shiftHigh = lowByte << 8
	286	local highByte = val & 0xff00
	287	local shiftLow = highByte >> 8
	288	local newVal = shiftHigh\|shiftLow
	289	{{/code}}
	290
27.1	291	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/byteswitch.zip]]
28.1	292
	293	= 12 Week time setting =
	294
29.1	295	The example shows how to use day time to control functions:
	296
28.1	297	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/week%20time.zip]]
30.1	298
31.1	299	= 13 MQTT Multi-link =
30.1	300
	301	The example shows use mqtt realize multi-machine function：
	302
	303	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/MQTT%20Multi-link.zip]]
31.2	304
	305	= 14 CSV File Generation =
	306
34.1	307	The example shows convert the custom lua table data into csv string, then output as a file:
31.2	308
32.1	309	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/csvGenerate.zip]]
31.2	310
32.1	311	The following steps take HMI simulator as example:
	312
	313	~1. Click button "Create Table" to draw lua table in screen.
	314
	315	(% style="text-align:center" %)
	316	[[image:csvGenerateSteps.png]]
	317
	318	2. Click button "Save as csv" to save the file into HMI storage path. On the HMI simulator, user can enter the simulation path of U disk to check the file whether create successfully.
	319
	320	(% style="text-align:center" %)
	321	[[image:csvGenerateSimulationPath.png]]
	322
	323	3. Click button "upload" to upload csv file into server side. In this case, we can check the upload path for PC.
	324
	325	(% style="text-align:center" %)
	326	[[image:csvGenerateServerPath.png]]
	327
35.1	328	The csv file generation is mainly using the following function to implement, the customized data is argument tab, and csv file storage path in HMI is "udisk:weather1.csv":
32.1	329
	330	(% style="text-align:center" %)
	331	[[image:csvGenerateLuaCode.png]]
	332
35.1	333	The table drawing is mainly using the following function to implement:
	334
	335	(% style="text-align:center" %)
	336	[[image:csvLuaTableDrawing.png]]
36.1	337
37.1	338	= 15 String customized length word-wrapped =
36.1	339
37.1	340	The example shows automatically line break for long string content according to user input length.
	341
38.1	342	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/CRLF.zip]]
	343
37.1	344	The following are some demonstrated strings from offline simulator:
	345
	346	(% style="text-align:center" %)
	347	[[image:WordWrapDisplayResult.png]]
38.2	348
	349	= 16 Weather forecast HTTP API request =
	350
	351	The example shows how to parse value from HTTP response body, and display into HMI internal address. The test forecast official website is [[https:~~/~~/www.weatherapi.com/>>url:https://www.weatherapi.com/]]
	352
39.1	353	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/luahttp.zip]]
38.2	354
39.1	355	From the API explorer of weatherapi, the one day forecast response would be like the follows(Because the original data of JSON is very long, there we just show the part of it):
	356
38.2	357	{{code language="JSON"}}
	358	{
	359	"location": {
	360	"name": "London",
	361	"region": "City of London, Greater London",
	362	"country": "United Kingdom",
	363	"lat": 51.52,
	364	"lon": -0.11,
	365	"tz_id": "Europe/London",
	366	"localtime_epoch": 1688961236,
	367	"localtime": "2023-07-10 4:53"
	368	},
	369	"current": {
	370	"last_updated_epoch": 1688960700,
	371	"last_updated": "2023-07-10 04:45",
	372	"temp_c": 14.0,
	373	"temp_f": 57.2,
	374	"is_day": 0,
	375	"condition": {
	376	"text": "Partly cloudy",
	377	"icon": "//cdn.weatherapi.com/weather/64x64/night/116.png",
	378	"code": 1003
	379	},
	380	"wind_mph": 4.3,
	381	"wind_kph": 6.8,
	382	"wind_degree": 220,
	383	"wind_dir": "SW",
	384	"pressure_mb": 1020.0,
	385	"pressure_in": 30.12,
	386	"precip_mm": 0.0,
	387	"precip_in": 0.0,
	388	"humidity": 88,
	389	"cloud": 50,
	390	"feelslike_c": 13.3,
	391	"feelslike_f": 56.0,
	392	"vis_km": 10.0,
	393	"vis_miles": 6.0,
	394	"uv": 1.0,
	395	"gust_mph": 10.5,
	396	"gust_kph": 16.9
	397	},
	398	"forecast": {
	399	"forecastday": [
	400	{
	401	"date": "2023-07-10",
	402	"date_epoch": 1688947200,
	403	"day": {
	404	"maxtemp_c": 24.4,
	405	"maxtemp_f": 75.9,
	406	"mintemp_c": 14.1,
	407	"mintemp_f": 57.4,
	408	"avgtemp_c": 19.6,
	409	"avgtemp_f": 67.2,
	410	"maxwind_mph": 15.4,
	411	"maxwind_kph": 24.8,
	412	"totalprecip_mm": 0.0,
	413	"totalprecip_in": 0.0,
	414	"totalsnow_cm": 0.0,
	415	"avgvis_km": 10.0,
	416	"avgvis_miles": 6.0,
	417	"avghumidity": 60.0,
	418	"daily_will_it_rain": 0,
	419	"daily_chance_of_rain": 0,
	420	"daily_will_it_snow": 0,
	421	"daily_chance_of_snow": 0,
	422	"condition": {
	423	"text": "Partly cloudy",
	424	"icon": "//cdn.weatherapi.com/weather/64x64/day/116.png",
	425	"code": 1003
	426	},
	427	"uv": 5.0
	428	},
	429	"astro": {
	430	"sunrise": "04:55 AM",
	431	"sunset": "09:16 PM",
	432	"moonrise": "12:26 AM",
	433	"moonset": "02:01 PM",
	434	"moon_phase": "Last Quarter",
	435	"moon_illumination": "51",
	436	"is_moon_up": 1,
	437	"is_sun_up": 0
	438	},
	439	"hour": [
	440	{
	441	"time_epoch": 1688943600,
	442	"time": "2023-07-10 00:00",
	443	"temp_c": 16.2,
	444	"temp_f": 61.2,
	445	"is_day": 0,
	446	"condition": {
	447	"text": "Clear",
	448	"icon": "//cdn.weatherapi.com/weather/64x64/night/113.png",
	449	"code": 1000
	450	},
	451	"wind_mph": 7.2,
	452	"wind_kph": 11.5,
	453	"wind_degree": 223,
	454	"wind_dir": "SW",
	455	"pressure_mb": 1021.0,
	456	"pressure_in": 30.14,
	457	"precip_mm": 0.0,
	458	"precip_in": 0.0,
	459	"humidity": 74,
	460	"cloud": 6,
	461	"feelslike_c": 16.2,
	462	"feelslike_f": 61.2,
	463	"windchill_c": 16.2,
	464	"windchill_f": 61.2,
	465	"heatindex_c": 16.2,
	466	"heatindex_f": 61.2,
	467	"dewpoint_c": 11.6,
	468	"dewpoint_f": 52.9,
	469	"will_it_rain": 0,
	470	"chance_of_rain": 0,
	471	"will_it_snow": 0,
	472	"chance_of_snow": 0,
	473	"vis_km": 10.0,
	474	"vis_miles": 6.0,
	475	"gust_mph": 10.7,
	476	"gust_kph": 17.3,
	477	"uv": 1.0
	478	},
	479	{
	480	"time_epoch": 1688947200,
	481	"time": "2023-07-10 01:00",
	482	"temp_c": 15.7,
	483	"temp_f": 60.3,
	484	"is_day": 0,
	485	"condition": {
	486	"text": "Overcast",
	487	"icon": "//cdn.weatherapi.com/weather/64x64/night/122.png",
	488	"code": 1009
	489	},
	490	"wind_mph": 7.2,
	491	"wind_kph": 11.5,
	492	"wind_degree": 232,
	493	"wind_dir": "SW",
	494	"pressure_mb": 1021.0,
	495	"pressure_in": 30.14,
	496	"precip_mm": 0.0,
	497	"precip_in": 0.0,
	498	"humidity": 75,
	499	"cloud": 100,
	500	"feelslike_c": 15.7,
	501	"feelslike_f": 60.3,
	502	"windchill_c": 15.7,
	503	"windchill_f": 60.3,
	504	"heatindex_c": 15.7,
	505	"heatindex_f": 60.3,
	506	"dewpoint_c": 11.3,
	507	"dewpoint_f": 52.3,
	508	"will_it_rain": 0,
	509	"chance_of_rain": 0,
	510	"will_it_snow": 0,
	511	"chance_of_snow": 0,
	512	"vis_km": 10.0,
	513	"vis_miles": 6.0,
	514	"gust_mph": 10.5,
	515	"gust_kph": 16.9,
	516	"uv": 1.0
	517	},
	518	...
	519	{
	520	"time_epoch": 1689026400,
	521	"time": "2023-07-10 23:00",
	522	"temp_c": 19.0,
	523	"temp_f": 66.2,
	524	"is_day": 0,
	525	"condition": {
	526	"text": "Overcast",
	527	"icon": "//cdn.weatherapi.com/weather/64x64/night/122.png",
	528	"code": 1009
	529	},
	530	"wind_mph": 9.4,
	531	"wind_kph": 15.1,
	532	"wind_degree": 192,
	533	"wind_dir": "SSW",
	534	"pressure_mb": 1015.0,
	535	"pressure_in": 29.96,
	536	"precip_mm": 0.0,
	537	"precip_in": 0.0,
	538	"humidity": 66,
	539	"cloud": 100,
	540	"feelslike_c": 19.0,
	541	"feelslike_f": 66.2,
	542	"windchill_c": 19.0,
	543	"windchill_f": 66.2,
	544	"heatindex_c": 19.0,
	545	"heatindex_f": 66.2,
	546	"dewpoint_c": 12.4,
	547	"dewpoint_f": 54.3,
	548	"will_it_rain": 0,
	549	"chance_of_rain": 0,
	550	"will_it_snow": 0,
	551	"chance_of_snow": 0,
	552	"vis_km": 10.0,
	553	"vis_miles": 6.0,
	554	"gust_mph": 13.0,
	555	"gust_kph": 20.9,
	556	"uv": 1.0
	557	}
	558	]
	559	}
	560	]
	561	}
	562	}
	563	{{/code}}
	564
39.1	565	The core code is from file API_WEATHER.lua, and function name is get7DayWeatherapiByCityname.
	566
	567	(% style="text-align:center" %)
	568	[[image:WeatherHTTPAPI.png]]
	569
	570	The HMI offline simulator result:
	571
	572	(% style="text-align:center" %)
	573	[[image:WeatherHTTPtestdisplay.png]]
40.1	574
	575	= 17 CSV File Reading =
	576
	577	The example shows how to read the csv file into HMI, and then display as table.
	578
	579	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/csvRead.zip]]
41.1	580
43.1	581	The core code is from file readcsv.lua:
41.1	582
43.1	583	1) The file path is set as Sheet_2023_06_13_15_29_45.csv at the root path for USB;
42.1	584
	585	2) Remember to change csv separator in the second parameter from function csv_csvToTable according to user's need, this demo is using semicolon as separator;
	586
41.1	587	(% style="text-align:center" %)
42.1	588	[[image:CSVreadwithsemicolon.png]]
43.1	589
	590	3) The reading content is a two-dimensional table, can use the table index to locate the specify data cell;
	591
	592	For example, want to read the 2nd row C column from the table, the table index will be like table[2][3].
	593
	594	(% style="text-align:center" %)
	595	[[image:celllocation.png]]
	596
48.1	597	= 18 How to convert a number to a string =
47.1	598
	599	The example shows how to convert a number to a string using the "tostring()" function.
	600
49.1	601	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Number%20to%20string.zip]]
47.1	602
50.1	603	Note:This demo converts a 64-bit floating to a string,you can change the data format of "@W_HDW0" depand on requirements
49.1	604
47.1	605	The core code is from file convert.lua:
	606
	607	(% style="text-align:center" %)
	608	[[image:convert.lua.png]]
	609
	610	The HMI offline simulator result:
	611
	612	(% style="text-align:center" %)
	613	[[image:Converttestdisplay.png]]
51.1	614
52.1	615	= 19 HUAWEI CLOUD & OpenCloud =
53.1	616
	617	About the details, please check the powerpoint or video of Lua MQTT & OpenCloud [[Jump To>>doc:PIStudio.Download.1 Manual.WebHome]]
	618
	619	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/HuaweiMQ%281%29.zip]]
54.1	620
	621	= 20 UDP Multicast =
	622
	623	The example shows how to use UDP multicast feature to send and receive data.
	624
	625	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/UDP%20Multicast.zip]]
	626
	627	About the details, please check the [[UDP module>>https://docs.we-con.com.cn/bin/view/PIStudio/09%20Lua%20Editor/Lua%20Script/#HUDPmodule-1]]
55.1	628
	629	= 21 ATC module send SMS =
	630
	631	The example shows how to use HMI to customize communication with the ATC SMS module via Lua script to send SMS.
	632
	633	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/SMS.zip]]
56.1	634
	635	= 22 TCP Client =
	636
	637	The example shows how to use the Lua Socket TCP module to connect with a TCP server.
	638
57.1	639	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/TCP%20ClientV1.1.zip]]
56.1	640
	641	~1. Set the initial values of Server IP and port number.
	642
	643	(% style="text-align:center" %)
	644	[[image:vcbt6CE6EL.png]]
	645
	646	2. Set the actual receive length of TCP message according to the actual needs.
	647
	648	(% style="text-align:center" %)
	649	[[image:tPN1mbz7ny.png]]
60.1	650
	651	= 23 Lua SMS =
	652
	653	The example shows how to use HMI built-in 4G module to send SMS via Lua script. This demo requires the HMI model name with (G) or (AG).
	654
61.1	655	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/Lua%20SMS%20Library.zip]]
70.1	656
	657	= 24 ATC module Calling =
	658
74.1	659	The example shows how to use HMI to customize communication with the ATC-3101 module via Lua script to make phone call.
70.1	660
74.1	661	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/lua%20ATC%20calling.rar]]
71.1	662
72.1	663	(% class="box infomessage" %)
	664	(((
	665	Note:Due to differences in operators, it is recommended to test before use.
	666	)))
74.1	667
	668	= 25 Lua SQLite =
	669
	670	The example shows how to generate a user customized database and table via Lua script.
	671
	672	[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/SQL%20demo.zip]]
	673
	674	~1. Choose the designate storage path of db file, here we choose the U disk;
	675
	676	(% style="text-align:center" %)
	677	[[image:lgvAY47My2.png]]
	678
	679	2. Create the database a.db and create the table filer;
	680
	681	(% style="text-align:center" %)
	682	[[image:SbfZ7qC2qr.png]]
	683
	684	3. Write the data of HDW10, then click Add data to insert new record into the table filer;
	685
	686	(% style="text-align:center" %)
	687	[[image:sMi8nKsDCy.png]]
	688
	689	4. Export the file a.db to PC, and using the DB Browser to view the created data(Because it is not standard data record file, not able to be recognized correctly by DataLogTool);
	690
	691	(% style="text-align:center" %)
	692	[[image:xT8f08pfY0.png]]

Wiki source code of 05 Lua Script

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