Skip to Content

Changes for page 05 Lua Script

Last modified by Devin Chen on 2025/03/04 14:07
From version 15.1
edited by Hunter
on 2022/09/07 11:40
Change comment: There is no comment for this version
To version 23.1
edited by Hunter
on 2023/03/01 11:55
Change comment: There is no comment for this version

Summary

Details

Page properties
Content
... ... @@ -38,6 +38,8 @@
38 38  
39 39  The example shows how the to establish the FTP server at WIN10 OS and make the HMI as FTP client.
40 40  
41 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/FTP%20Client.zip]]
42 +
41 41  ~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]]**
42 42  
43 43  2. Enter PC (FTP Server) IP address and port number (Default 21).
... ... @@ -65,8 +65,10 @@
65 65  (% style="text-align:center" %)
66 66  [[image:LuaFTPDemoInitial.png]]
67 67  
70 +✎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 "~/~/".
68 68  
69 -[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/FTP%20Client.zip]]
72 +(% style="text-align:center" %)
73 +[[image:LuaFTPDemoFilelist.png]]
70 70  
71 71  = **8 Telegram Notification** =
72 72  
... ... @@ -73,3 +73,154 @@
73 73  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.
74 74  
75 75  [[Download link>>https://drive.google.com/file/d/1wV0O79TJ2mgUEBkKcjrb53PM8DkTQxVo/view?usp=sharing]]
80 +
81 +
82 += 9** LINE Notify** =
83 +
84 +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.
85 +
86 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/line.zip]]
87 +
88 +
89 += 10** How to parse value from subscribing MQTT topic** =
90 +
91 +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".
92 +
93 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/MQTT%20JSON%20parse.zip]]
94 +
95 +And the subscribed content is like following:
96 +
97 +{{code language="json"}}
98 +{
99 + "Cluster_ID": "2",
100 + "timestamp": "07:01:45-18.02.2022",
101 + "Cust_id": "TAM-1",
102 + "Platform_id": "Pro44ead8a8dc3345ACC",
103 + "version": "1.5",
104 + "Line_active": "true",
105 + "Total_sensor": "5",
106 + "F1": [
107 + {
108 + "Counter": "0",
109 + "Value": "11"
110 + },
111 + {
112 + "Counter": "1",
113 + "Value": "21.1"
114 + },
115 + {
116 + "Counter": "2",
117 + "Value": "9"
118 + },
119 + {
120 + "Counter": "3",
121 + "Value": "0.06"
122 + },
123 + {
124 + "Counter": "4",
125 + "Value": "9"
126 + },
127 + {
128 + "Counter": "5",
129 + "Value": "19"
130 + },
131 + {
132 + "Counter": "6",
133 + "Value": "9"
134 + },
135 + {
136 + "Counter": "7",
137 + "Value": "19"
138 + },
139 + {
140 + "Counter": "8",
141 + "Value": "22.89"
142 + }
143 + ],
144 + "F2": [
145 + {
146 + "Counter": "0",
147 + "Value": "1.1"
148 + },
149 + {
150 + "Counter": "1",
151 + "Value": "21.21"
152 + },
153 + {
154 + "Counter": "2",
155 + "Value": "19"
156 + },
157 + {
158 + "Counter": "3",
159 + "Value": "0.6"
160 + },
161 + {
162 + "Counter": "4",
163 + "Value": "8"
164 + },
165 + {
166 + "Counter": "5",
167 + "Value": "19.1"
168 + },
169 + {
170 + "Counter": "6",
171 + "Value": "5.1"
172 + }
173 + ],
174 + "F4": [
175 + {
176 + "Counter": "0",
177 + "Value": "11"
178 + },
179 + {
180 + "Counter": "1",
181 + "Value": "21.1"
182 + },
183 + {
184 + "Counter": "2",
185 + "Value": "9"
186 + },
187 + {
188 + "Counter": "3",
189 + "Value": "0.06"
190 + },
191 + {
192 + "Counter": "4",
193 + "Value": "9"
194 + },
195 + {
196 + "Counter": "5",
197 + "Value": "19"
198 + },
199 + {
200 + "Counter": "6",
201 + "Value": "9"
202 + },
203 + {
204 + "Counter": "7",
205 + "Value": "12.1"
206 + },
207 + {
208 + "Counter": "8",
209 + "Value": "18.1"
210 + }
211 + ]
212 +}
213 +{{/code}}
214 +
215 + 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).
216 +
217 +(% style="text-align:center" %)
218 +[[image:MQTTScreen.png]]
219 +
220 +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:
221 +
222 +(% style="text-align:center" %)
223 +[[image:MQTTactualtestingresult.png]]
224 +
225 +The JSON parser function is located on mqttAction.lua, called mqtt_msg_callback.
226 +
227 +(% style="text-align:center" %)
228 +[[image:MQTTJSONparsefunction.png]]
229 +
230 += **11 High-Low Byte Switch** =
LuaFTPDemoFilelist.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Hunter
Size
... ... @@ -1,0 +1,1 @@
1 +16.5 KB
Content
MQTTJSONparsefunction.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Hunter
Size
... ... @@ -1,0 +1,1 @@
1 +124.0 KB
Content
MQTTScreen.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Hunter
Size
... ... @@ -1,0 +1,1 @@
1 +48.7 KB
Content
MQTTactualtestingresult.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Hunter
Size
... ... @@ -1,0 +1,1 @@
1 +945.6 KB
Content
image-20221213120221-1.png
Author
... ... @@ -1,0 +1,1 @@
1 +XWiki.Hunter
Size
... ... @@ -1,0 +1,1 @@
1 +62.4 KB
Content