Changes for page 01 Lua Functions

Last modified by Theodore Xu on 2023/10/26 10:51

From 5.9 to 5.10 From 5.11 to 5.12

From version 5.10

edited by Stone Wu
on 2022/07/12 09:30

Change comment: (Autosaved)

To version 5.11

edited by Stone Wu
on 2022/07/12 09:35

Change comment: (Autosaved)

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@@ -958,20 +958,17 @@
  Parameter:
--//Topic//, topic name
++* //Topic//, topic name
++* //Message//, content
--//Message//, content
++**2."arrived" is published by publish, this function will be called after the publication arrives**
--**2.**"arrived" is published by publish, this function will be called after the publication arrives
--
  //Callback// prototype~:// function ()//
--Parameter:
++Parameter: None
--None
++**3.This function will be called after the "offline" connection is lost**
--**3.**This function will be called after the "offline" connection is lost
--
  //Callback// prototype~:// function (string cause)//
  Parameter:
@@ -985,17 +985,13 @@
  Failed: multi
  (((
--== **4.11 mqtt:setup_cfg()** ==
++== **mqtt:setup_cfg()** ==
  )))
--**Function:**
++**Function:** Cloud mode interface, to obtain MQTT information configured by the cloud platform
--Cloud mode interface, to obtain MQTT information configured by the cloud platform
++**Parameters:** None
--**Parameters:**
--
--None
--
  **Return:**
  //serverurl, clientid, conn, lwt, cart //(5 returns, respectively, server address, client ID, connection table, last word table, certificate table)
@@ -1013,39 +1013,27 @@
  Lua only has a table data structure, so all arrays and key-value objects of json will be returned as a table.
  (((
--== **5.1 json.encode( lua_object )** ==
++== **json.encode( lua_object )** ==
  )))
--**Function:**
++**Function: **Convert lua data type to json string
--Convert lua data type to json string
++**Parameters: **Lua data type (including boolean, number, string, table)
--**Parameters:**
++**Return：** Json format string
--Lua data type (including boolean, number, string, table)
--
--**Return：**
--
--Json format string
--
  (((
--== **5.2 json.decode(string json_string)** ==
++== **json.decode(string json_string)** ==
  )))
--**Function:**
++**Function:** Convert json string to lua data type
--Convert json string to lua data type
++**Parameters: **//json_string//, string of json data structure
--**Parameters:**
++**Return: **Lua data type
--//json_string//, string of json data structure
--
--**Return：**
--
--Lua data type
--
  (((
--== **5.3 json.null** ==
++== **json.null** ==
  )))
  **Function:**
@@ -1052,32 +1052,24 @@
  This method is used when assembling json data, which is equivalent to null in json. If the user directly uses json.null() to return the address of the function, it must be valid with the use of encode.
--**Parameters:**
++**Parameters:** None
--None
++**Return: **None
--**Return：**
--
--None
--
  = **6 Cloud mode** =
  The cloud interface is only used in cloud mode, and V-NET mode is not available.
  (((
--== **6.1 bns_get_alldata()** ==
++== **bns_get_alldata()** ==
  )))
--**Function:**
++**Function:** Obtain all monitoring points (point table) data configured by the end user
--Obtain all monitoring points (point table) data configured by the end user
++**✎Note: **Assuming there are timing scripts A and B with a period of 1 second, if this function is called in script A, the data will not be obtained if called in script B
--Note: Assuming there are timing scripts A and B with a period of 1 second, if this function is called in script A, the data will not be obtained if called in script B
++**Parameters:** None
--**Parameters:**
--
--None
--
  **Return:**
  Succeed: table two-dimensional array, the structure is as follows
@@ -1107,13 +1107,11 @@
  Failed: //table// empty table
  (((
--== **6.2 bns_get_config(string from)** ==
++== **bns_get_config(string from)** ==
  )))
--**Function:**
++**Function:** Obtain custom configuration parameters with the specified from type
--Obtain custom configuration parameters with the specified from type
--
  **parameter:**
  from type, there are the following two categories, the string must be all lowercase
@@ -1131,13 +1131,11 @@
  Failed~:// table// empty table
  (((
--== **6.3 bns_get_data(string name, string data)** ==
++== **bns_get_data(string name, string data)** ==
  )))
--**Function:**
++**Function:**write data to the name of the monitoring point
--write data to the name of the monitoring point
--
  **parameter:**
  //name //The name of the monitoring point
@@ -1151,7 +1151,7 @@
  Failed: nil
  (((
--== **6.4 bns_get_data(string name)** ==
++== **bns_get_data(string name)** ==
  )))
  **Function:**
@@ -1169,17 +1169,13 @@
  Failed: nil
  (((
--== **6.5 bns_get_datadesc()** ==
++== **bns_get_datadesc()** ==
  )))
--**Function:**
++**Function: **Obtain all configured communication ports and monitoring point information
--Obtain all configured communication ports and monitoring point information
++**Parameters:** None
--**Parameters:**
--
--None
--
  **Return:**
  Succeed: table three-dimensional array, the structure is as follows
@@ -1232,17 +1232,13 @@
  Failed~:// table// empty table
  (((
--== **6.6 bns_get_machineinfo()** ==
++== **bns_get_machineinfo()** ==
  )))
--**Function:**
++**Function:** get machine information
--get machine information
++**Parameters:** None
--**Parameters:**
--
--None
--
  **Return:**
  Succeed: 3 string type results (model, machine code, software version)
@@ -1250,13 +1250,11 @@
  Failed: nil
  (((
--== **6.7 bns_get_groupdata(string name)** ==
++== **bns_get_groupdata(string name)** ==
  )))
--**Function:**
++**Function:** Get all monitoring point data under the specified group name
--Get all monitoring point data under the specified group name
--
  **parameter:**
  //Name  // group name
@@ -1268,17 +1268,13 @@
  Failed: //table// empty table
  (((
--== **6.8 bns_get_groupdesc()** ==
++== **bns_get_groupdesc()** ==
  )))
--**Function:**
++**Function:** Get all group information
--Get all group information
++**Parameters:** None
--**Parameters:**
--
--None
--
  **Return:**
  Succeed: //table// two-dimensional array, the structure is as follows
@@ -1292,17 +1292,13 @@
  Failed: //table  // empty table
  (((
--== **6.9 bns_get_onecache(string msg)** ==
++== **bns_get_onecache(string msg)** ==
  )))
--**Function:**
++**Function:** Save a message to the cache file, which can be stored after power failure. Store up to 2000 items, delete the old and save the new in a rolling manner when it is full.
--Save a message to the cache file, which can be stored after power failure. Store up to 2000 items, delete the old and save the new in a rolling manner when it is full.
++**Parameters: **//msg// String
--**Parameters:**
--
--//msg// String
--
  **Return:**
  Succeed: true
@@ -1310,17 +1310,13 @@
  Failed: nil
  (((
--== **6.10 bns_get_allcache()** ==
++== **bns_get_allcache()** ==
  )))
--**Function:**
++**Function:** Get all the cached content (once the internal cache file will be emptied)
--Get all the cached content (once the internal cache file will be emptied)
++**Parameters:** None
--**Parameters:**
--
--None
--
  **Return:**
  Succeed: //table// one-dimensional array
@@ -1348,11 +1348,55 @@
  Network communication includes Http request interface, this document does not provide interface description, please refer to the online document for how to use it.
  (((
--== **7.1 http request** ==
++== **http request** ==
  )))
  [[http:~~/~~/w3.impa.br/~~~~diego/software/luasocket/http.html#request>>url:http://w3.impa.br/~~diego/software/luasocket/http.html#request]]
++== https request ==
++
++Example：
++
++local json = require("json")
++
++local https = require("https")
++
++functions https_demo.main()
++
++local url = "https:~/~/XXXXXXXXXXXXXXXXXXXXXXXXXX"
++
++local body = {}
++
++body["XXXXXX"] = "XXXXX"
++
++body["XXXXXXX"] = "XXXXXXXXXXX"
++
++local bodyJson = json.encode(body)
++
++local header = {}
++
++header["content-type"] = "application/json"
++
++local result_table, code, headers, status = https.request(url,
++
++bodyJson)
++
++if code == 200 then
++
++print("https suc")
++
++return true
++
++else
++
++print("https fail")
++
++return nil
++
++end
++
++end
++
  (((
  = **8 Internal register** =
  )))

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