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Changes for page 05 Lua Script

Last modified by Devin Chen on 2025/03/04 14:07
From version 22.1
edited by Hunter
on 2022/12/14 11:43
Change comment: There is no comment for this version
To version 31.2
edited by Hunter
on 2023/04/26 12:00
Change comment: There is no comment for this version

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... ... @@ -227,4 +227,36 @@
227 227  (% style="text-align:center" %)
228 228  [[image:MQTTJSONparsefunction.png]]
229 229  
230 += **11 High-Low Byte Switch** =
231 +
232 +The example shows how to convert high bytes and low bytes for one 16bit address. Main function is like following:
233 +
234 +{{code language="lua"}}
235 +local lowByte = val & 0x00ff
236 +local shiftHigh = lowByte << 8
237 +local highByte = val & 0xff00
238 +local shiftLow = highByte >> 8
239 +local newVal = shiftHigh|shiftLow
240 +{{/code}}
241 +
242 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/byteswitch.zip]]
243 +
244 += **12 Week time setting** =
245 +
246 +The example shows how to use day time to control functions:
247 +
248 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/week%20time.zip]]
249 +
250 += **13 MQTT Multi-link** =
251 +
252 +The example shows use mqtt realize multi-machine function：
253 +
254 +[[Download link>>https://ftp.we-con.com.cn/Download/WIKI/PI%20HMI/Demo/Lua%20Script/MQTT%20Multi-link.zip]]
255 +
256 += **14 CSV File Generation** =
257 +
258 +The example shows convert the lua table data into csv string, then output as a file:
259 +
260 +~1. Click "Create Table" to draw the lua table into HMI
261 +
230 230