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  • - - the Sketch, Publishes messages + + Sketch publishes messages
    • @@ -1022,8 +1022,8 @@
  • - - the Sketch, Publishes messages + + Sketch publishes messages
    • @@ -1082,7 +1082,8 @@

    Pattern B.

    Used with MQTT as a client application

    The effect of AutoConnect is not only for ESP8266/ESP32 as the web server. It has advantages for something WiFi client as well. For example, AutoConnect is also convenient for publishing MQTT messages from various measurement points. Even if the SSID is different for each measurement point, it is not necessary to modify the Sketch.

    -

    This example tries to publish the WiFi signal strength of ESP8266 with MQTT. It uses the ThingSpeak for MQTT broker. ESP8266 publishes the RSSI value to the channel created on ThingSpeak as MQTT client. This example is well suited to demonstrate the usefulness of AutoConnect, as RSSI values are measured at each access point usually. Just adding a few lines of code makes it unnecessary to upload sketches with the different SSIDs rewrite for each access point.

    +

    In this example, it is trying to publish a WiFi signal strength being received ESP8266 through the services on the cloud that can visualize the live data streams for IoT. Using the IoT platform provided by ThingSpeak™, the ESP8266 publishes RSSI values to ThingSpeak MQTT broker channel via the MQTT client library.

    +

    This example is a good indication of the usefulness of AutoConnect, as RSSI values can typically measure different intensities for each access point. By simply adding a few lines to the Sketch, you do not have to rewrite and upload the Sketch for each access point.

    Advance procedures

      @@ -1090,7 +1091,7 @@

      Advance procedures1 You can sign up with the ThingSpeak sign-up page.

      +

      The ThingSpeak is the open IoT platform. It is capable of sending data privately to the cloud and analyzing, visualizing its data. If you do not have an account of ThingSpeak, you need that account to proceed further. ThingSpeak has the free plan for the account which uses within the scope of this example.1 You can sign up with the ThingSpeak sign-up page.

      Whether you should do sign-up or not.

      You are entrusted with the final judgment of account creation for ThingSpeak. Create an account at your own risk.

      @@ -1111,12 +1112,19 @@

      Get Channel ID and API Keys

      The last key you need is the User API Key and can be confirmed it in the user profile. Pull down Account from the top menu, select My profile. Then you can see the ThingSpeak settings and the User API Key is displayed middle of this screen.

      -

      the Sketch, Publishes messages

      -

      The complete code of the Sketch is mqttRSSI.ino in the AutoConnect repository. Replace the following #define in a sketch with User API Key, Write API Key and Channel ID. After Keys updated, compile the Sketch and upload it.

      -
      #define MQTT_USER_KEY        "****************"  // Replace to User API Key.
-#define CHANNEL_ID           "******"            // Replace to Channel ID.
-#define CHANNEL_API_KEY_WR   "****************"  // Replace to the write API Key.
-
      +

      Sketch publishes messages

      +

      The mqttRSSI.ino sketch registered in the AutoConnect GitHub repository is the complete code for publishing RSSI to the ThingSpeak channel. It is a sketch with the AutoConnectAux extension pages that allow you to flexibly configure the channel information you create as ThingSpeak channels.

      +

      +
      +

      Parameters for the ThingSpeak MQTT channels

      +

      Various settings of the MQTT Setting for the ThingSpeak channels via the above AutoConnectAux are following:

      +
        +
      • Server: mqtt.thingspeak.com
        • +
      • Channel ID: Specify the channel ID that can be confirmed with ThingSpeak My Channels page.
        • +
      • User Key: Specify the User API Key of the API Keys that can be confirmed with ThingSpeak My Profile page.
        • +
      • API Key: Specify the Write API Key that can be confirmed by following navigate to "ThingSpeak My Channels > Your Channel Name > API Keys Tab > Write API Key".
        • +
      +

      Publish messages

      After upload and reboot complete, the message publishing will start via the access point now set. The message carries RSSI as the current WiFi signal strength. The signal strength variations in RSSI are displayed on ThingSpeak's Channel status screen.

      How embed to your sketches

      diff --git a/docs/search/search_index.json b/docs/search/search_index.json index f6fadfb7..6f481527 100644 --- a/docs/search/search_index.json +++ b/docs/search/search_index.json @@ -1 +1 @@ -{"config":{"lang":["en"],"min_search_length":3,"prebuild_index":false,"separator":"[\\s\\-]+"},"docs":[{"location":"index.html","text":"AutoConnect for ESP8266/ESP32 \u00b6 An Arduino library for ESP8266/ESP32 WLAN configuration at run time with web interface. Overview \u00b6 To the dynamic configuration for joining to WLAN with SSID and PSK accordingly. It an Arduino library united with ESP8266WebServer class for ESP8266 or WebServer class for ESP32. Easy implementing the Web interface constituting the WLAN for ESP8266/ESP32 WiFi connection. With this library to make a Sketch easily which connects from ESP8266/ESP32 to the access point at runtime by the web interface without hard-coded SSID and password. No need pre-coded SSID & password \u00b6 It is no needed hard-coding in advance the SSID and Password into the Sketch to connect between ESP8266/ESP32 and WLAN. You can input SSID & Password from a smartphone via the web interface at runtime. Simple usage \u00b6 AutoConnect control screen will be displayed automatically for establishing new connections. It aids by the captive portal when vested the connection cannot be detected. By using the AutoConnect menu , to manage the connections convenient. Store the established connection \u00b6 The connection authentication data as credentials are saved automatically in the flash of ESP8266/ESP32 and You can select the past SSID from the AutoConnect menu . Easy to embed in \u00b6 AutoConnect can be placed easily in your Sketch. It's \" begin \" and \" handleClient \" only. Lives with your Sketches \u00b6 The Sketches which provide the web page using ESP8266WebServer there is, AutoConnect will not disturb it. AutoConnect can use an already instantiated ESP8266WebServer object, or itself can assign it. This effect also applies to ESP32. The corresponding class for ESP32 will be the WebServer. Easy to add the custom Web pages ENHANCED w/v0.9.7 \u00b6 You can easily add your owned web pages that can consist of representative HTML elements and invoke them from the menu. Further it possible importing the custom Web pages declarations described with JSON which stored in PROGMEM, SPIFFS, or SD. Quick and easy to equip the OTA update feature UPDATED w/v1.1.5 \u00b6 You can quickly and easily equip the OTA update feature to your Sketch and also you can operate the firmware update process via OTA from AutoConnect menu. Installation \u00b6 Requirements \u00b6 Supported hardware \u00b6 Generic ESP8266 modules (applying the ESP8266 Community's Arduino core) Adafruit HUZZAH ESP8266 (ESP-12) ESP-WROOM-02 Heltec WiFi Kit 8 NodeMCU 0.9 (ESP-12) / NodeMCU 1.0 (ESP-12E) Olimex MOD-WIFI-ESP8266 SparkFun Thing SweetPea ESP-210 ESP32Dev Board (applying the Espressif's arduino-esp32 core) SparkFun ESP32 Thing WEMOS LOLIN D32 Ai-Thinker NodeMCU-32S Heltec WiFi Kit 32 M5Stack And other ESP8266/ESP32 modules supported by the Additional Board Manager URLs of the Arduino-IDE. About flash size on the module The AutoConnect Sketch size is relatively large. Large flash capacity is necessary. 512Kbyte (4Mbits) flash inclusion module such as ESP-01 is not recommended. Required libraries \u00b6 AutoConnect requires the following environment and libraries. Arduino IDE The current upstream at the 1.8 level or later is needed. Please install from the official Arduino IDE download page . This step is not required if you already have a modern version. ESP8266 Arduino core AutoConnect targets Sketches made on the assumption of ESP8266 Community's Arduino core . Stable 2.4.0 or higher required and the latest release is recommended. Install third-party platform using the Boards Manager of Arduino IDE. Package URL is http://arduino.esp8266.com/stable/package_esp8266com_index.json ESP32 Arduino core Also, to apply AutoConnect to ESP32, the arduino-esp32 core provided by Espressif is needed. Stable 1.0.1 or required and the latest release is recommended. Install third-party platform using the Boards Manager of Arduino IDE. You can add multiple URLs into Additional Board Manager URLs field, separating them with commas. Package URL is https://dl.espressif.com/dl/package_esp32_index.json for ESP32. Arduino core for ESP32 1.0.3 or later For ESP32, AutoConnect v1.0.0 later is required for arduino-esp32 1.0.3 or later. Additional library (Required) The PageBuilder library to build HTML for ESP8266WebServer is needed. To install the PageBuilder library into your Arduino IDE, you can use the Library Manager . Select the board of ESP8266 series in the Arduino IDE, open the library manager and search keyword ' PageBuilder ' with the topic ' Communication ', then you can see the PageBuilder . The latest version is required 1.4.2 later . 1 Additional library (Optional) By adding the ArduinoJson library, AutoConnect will be able to handle the custom Web pages described with JSON. Since AutoConnect v0.9.7 you can insert user-owned web pages that can consist of representative HTML elements as styled TEXT, INPUT, BUTTON, CHECKBOX, SELECT, SUBMIT and invoke them from the AutoConnect menu. These HTML elements can be added by Sketches using the AutoConnect API. Further it possible importing the custom Web pages declarations described with JSON which stored in PROGMEM, SPIFFS, or SD. ArduinoJson is required to use this feature. 2 AutoConnect can work with ArduinoJson both version 5 and version 6 . Install the AutoConnect \u00b6 Clone or download from the AutoConnect GitHub repository . When you select Download, you can import it to Arduino IDE immediately. After downloaded, the AutoConnect-master.zip file will be saved in your download folder. Then in the Arduino IDE, navigate to \"Sketch > Include Library\" . At the top of the drop down list, select the option to \"Add .ZIP Library...\" . Details for Arduino official page . Supported by Library manager. AutoConnect was added to the Arduino IDE library manager. It can be used with the PlatformIO library also. window.onload = function() { Gifffer(); }; Since AutoConnect v1.2.0, PageBuilder v1.4.2 later is required. \u21a9 Using the AutoConnect API natively allows you to Sketch custom Web pages without JSON. \u21a9","title":"Overview"},{"location":"index.html#autoconnect-for-esp8266esp32","text":"An Arduino library for ESP8266/ESP32 WLAN configuration at run time with web interface.","title":"AutoConnect for ESP8266/ESP32"},{"location":"index.html#overview","text":"To the dynamic configuration for joining to WLAN with SSID and PSK accordingly. It an Arduino library united with ESP8266WebServer class for ESP8266 or WebServer class for ESP32. Easy implementing the Web interface constituting the WLAN for ESP8266/ESP32 WiFi connection. With this library to make a Sketch easily which connects from ESP8266/ESP32 to the access point at runtime by the web interface without hard-coded SSID and password.","title":"Overview"},{"location":"index.html#no-need-pre-coded-ssid-password","text":"It is no needed hard-coding in advance the SSID and Password into the Sketch to connect between ESP8266/ESP32 and WLAN. You can input SSID & Password from a smartphone via the web interface at runtime.","title":" No need pre-coded SSID & password"},{"location":"index.html#simple-usage","text":"AutoConnect control screen will be displayed automatically for establishing new connections. It aids by the captive portal when vested the connection cannot be detected. By using the AutoConnect menu , to manage the connections convenient.","title":" Simple usage"},{"location":"index.html#store-the-established-connection","text":"The connection authentication data as credentials are saved automatically in the flash of ESP8266/ESP32 and You can select the past SSID from the AutoConnect menu .","title":" Store the established connection"},{"location":"index.html#easy-to-embed-in","text":"AutoConnect can be placed easily in your Sketch. It's \" begin \" and \" handleClient \" only.","title":" Easy to embed in"},{"location":"index.html#lives-with-your-sketches","text":"The Sketches which provide the web page using ESP8266WebServer there is, AutoConnect will not disturb it. AutoConnect can use an already instantiated ESP8266WebServer object, or itself can assign it. This effect also applies to ESP32. The corresponding class for ESP32 will be the WebServer.","title":" Lives with your Sketches"},{"location":"index.html#easy-to-add-the-custom-web-pages-enhanced-wv097","text":"You can easily add your owned web pages that can consist of representative HTML elements and invoke them from the menu. Further it possible importing the custom Web pages declarations described with JSON which stored in PROGMEM, SPIFFS, or SD.","title":" Easy to add the custom Web pages ENHANCED w/v0.9.7"},{"location":"index.html#quick-and-easy-to-equip-the-ota-update-feature-updated-wv115","text":"You can quickly and easily equip the OTA update feature to your Sketch and also you can operate the firmware update process via OTA from AutoConnect menu.","title":" Quick and easy to equip the OTA update feature UPDATED w/v1.1.5"},{"location":"index.html#installation","text":"","title":"Installation"},{"location":"index.html#requirements","text":"","title":"Requirements"},{"location":"index.html#supported-hardware","text":"Generic ESP8266 modules (applying the ESP8266 Community's Arduino core) Adafruit HUZZAH ESP8266 (ESP-12) ESP-WROOM-02 Heltec WiFi Kit 8 NodeMCU 0.9 (ESP-12) / NodeMCU 1.0 (ESP-12E) Olimex MOD-WIFI-ESP8266 SparkFun Thing SweetPea ESP-210 ESP32Dev Board (applying the Espressif's arduino-esp32 core) SparkFun ESP32 Thing WEMOS LOLIN D32 Ai-Thinker NodeMCU-32S Heltec WiFi Kit 32 M5Stack And other ESP8266/ESP32 modules supported by the Additional Board Manager URLs of the Arduino-IDE. About flash size on the module The AutoConnect Sketch size is relatively large. Large flash capacity is necessary. 512Kbyte (4Mbits) flash inclusion module such as ESP-01 is not recommended.","title":"Supported hardware"},{"location":"index.html#required-libraries","text":"AutoConnect requires the following environment and libraries. Arduino IDE The current upstream at the 1.8 level or later is needed. Please install from the official Arduino IDE download page . This step is not required if you already have a modern version. ESP8266 Arduino core AutoConnect targets Sketches made on the assumption of ESP8266 Community's Arduino core . Stable 2.4.0 or higher required and the latest release is recommended. Install third-party platform using the Boards Manager of Arduino IDE. Package URL is http://arduino.esp8266.com/stable/package_esp8266com_index.json ESP32 Arduino core Also, to apply AutoConnect to ESP32, the arduino-esp32 core provided by Espressif is needed. Stable 1.0.1 or required and the latest release is recommended. Install third-party platform using the Boards Manager of Arduino IDE. You can add multiple URLs into Additional Board Manager URLs field, separating them with commas. Package URL is https://dl.espressif.com/dl/package_esp32_index.json for ESP32. Arduino core for ESP32 1.0.3 or later For ESP32, AutoConnect v1.0.0 later is required for arduino-esp32 1.0.3 or later. Additional library (Required) The PageBuilder library to build HTML for ESP8266WebServer is needed. To install the PageBuilder library into your Arduino IDE, you can use the Library Manager . Select the board of ESP8266 series in the Arduino IDE, open the library manager and search keyword ' PageBuilder ' with the topic ' Communication ', then you can see the PageBuilder . The latest version is required 1.4.2 later . 1 Additional library (Optional) By adding the ArduinoJson library, AutoConnect will be able to handle the custom Web pages described with JSON. Since AutoConnect v0.9.7 you can insert user-owned web pages that can consist of representative HTML elements as styled TEXT, INPUT, BUTTON, CHECKBOX, SELECT, SUBMIT and invoke them from the AutoConnect menu. These HTML elements can be added by Sketches using the AutoConnect API. Further it possible importing the custom Web pages declarations described with JSON which stored in PROGMEM, SPIFFS, or SD. ArduinoJson is required to use this feature. 2 AutoConnect can work with ArduinoJson both version 5 and version 6 .","title":"Required libraries"},{"location":"index.html#install-the-autoconnect","text":"Clone or download from the AutoConnect GitHub repository . When you select Download, you can import it to Arduino IDE immediately. After downloaded, the AutoConnect-master.zip file will be saved in your download folder. Then in the Arduino IDE, navigate to \"Sketch > Include Library\" . At the top of the drop down list, select the option to \"Add .ZIP Library...\" . Details for Arduino official page . Supported by Library manager. AutoConnect was added to the Arduino IDE library manager. It can be used with the PlatformIO library also. window.onload = function() { Gifffer(); }; Since AutoConnect v1.2.0, PageBuilder v1.4.2 later is required. \u21a9 Using the AutoConnect API natively allows you to Sketch custom Web pages without JSON. \u21a9","title":"Install the AutoConnect"},{"location":"acelements.html","text":"The elements for the custom Web pages \u00b6 Representative HTML elements for making the custom Web page are provided as AutoConnectElements. AutoConnectButton : Labeled action button AutoConnectCheckbox : Labeled checkbox AutoConnectElement : General tag AutoConnectFile : File uploader AutoConnectInput : Labeled text input box AutoConnectRadio : Labeled radio button AutoConnectSelect : Selection list AutoConnectStyle : Custom CSS code AutoConnectSubmit : Submit button AutoConnectText : Style attributed text Layout on a custom Web page \u00b6 AutoConnect will not actively be involved in the layout of custom Web pages generated from AutoConnectElements. However, each element has an attribute to arrange placement on a custom web page by horizontally or vertically. Custom CSS for a custom Web page \u00b6 All custom Web page styles are limited to the built-in unique CSS embedded in the library code. Direct modification of the CSS affects AutoConnect behavior. You can use dedicated elements to relatively safely modify the style of your custom Web page. The AutoConnectStyle will insert the raw CSS code into the style block in HTML of the custom Web page. Form and AutoConnectElements \u00b6 All AutoConnectElements placed on custom web pages will be contained into one form. Its form is fixed and created by AutoConnect. The form value (usually the text or checkbox you entered) is sent by AutoConnectSubmit using the POST method with HTTP. The post method sends the actual form data which is a query string whose contents are the name and value of AutoConnectElements. You can retrieve the value for the parameter with the Sketch from the query string with ESP8266WebServer::arg function or PageArgument class of the AutoConnect::on handler when the form is submitted. AutoConnectElement - A basic class of elements \u00b6 AutoConnectElement is a base class for other element classes and has common attributes for all elements. It can also be used as a variant of each element. The following items are attributes that AutoConnectElement has and are common to other elements. Sample AutoConnectElement element(\"element\", \"
      \"); On the page: Constructor \u00b6 AutoConnectElement( const char * name, const char * value, const ACPosterior_t post) name \u00b6 Each element has a name. The name is the String data type. You can identify each element by the name to access it with sketches. value \u00b6 The value is the string which is a source to generate an HTML code. Characteristics of Value vary depending on the element. The value of AutoConnectElement is native HTML code. A string of value is output as HTML as it is. post \u00b6 The post specifies a tag to add behind the HTML code generated from the element. Its purpose is to place elements on the custom Web page as intended by the user sketch. AutoConnect will not actively be involved in the layout of custom Web pages generated from AutoConnectElements. Each element follows behind the previous one, with the exception of some elements. You can use the post value to arrange vertically or horizontal when the elements do not have the intended position on the custom Web Page specifying the following enumeration value as ACPosterior_t type for the post . AC_Tag_None : No generate additional tags. AC_Tag_BR : Add a
      tag to the end of the element. AC_Tag_P : Include the element in the

      ~

      tag. The default interpretation of the post value is specific to each element. AutoConnectElements Default interpretation of the post value AutoConnectElement AC_Tag_None AutoConnectButton AC_Tag_None AutoConnectCheckBox AC_Tag_BR AutoConnectFile AC_Tag_BR AutoConnectInput AC_Tag_BR AutoConnectRadio AC_Tag_BR AutoConnectSelect AC_Tag_BR AutoConnectSubmit AC_Tag_None AutoConnectText AC_Tag_None type \u00b6 The type indicates the type of the element and represented as the ACElement_t enumeration type in the Sketch. Since AutoConnectElement also acts as a variant of other elements, it can be applied to handle elements collectively. At that time, the type can be referred to by the typeOf() function. The following example changes the font color of all AutoConnectText elements of a custom Web page to gray. AutoConnectAux customPage; AutoConnectElementVT & elements = customPage.getElements(); for (AutoConnectElement & elm : elements) { if (elm.typeOf() == AC_Text) { AutoConnectText & text = reinterpret_cast < AutoConnectText &> (elm); text.style = \"color:gray;\" ; } } The enumerators for ACElement_t are as follows: AutoConnectButton: AC_Button AutoConnectCheckbox: AC_Checkbox AutoConnectElement: AC_Element AutoConnectFile: AC_File AutoConnectInput: AC_Input AutoConnectRadio: AC_Radio AutoConnectSelect: AC_Select AutoConnectStyle: AC_Style AutoConnectSubmit: AC_Submit AutoConnectText: AC_Text Uninitialized element: AC_Unknown Furthermore, to convert an entity that is not an AutoConnectElement to its native type, you must re-interpret that type with c++. Or, you can be coding the Sketch more easily with using the as function. AutoConnectAux customPage; AutoConnectElementVT & elements = customPage.getElements(); for (AutoConnectElement & elm : elements) { if (elm.type() == AC_Text) { AutoConnectText & text = customPage[elm.name].as < AutoConnectText > (); text.style = \"color:gray;\" ; // Or, it is also possible to write the code further reduced as follows. // customPage[elm.name].as().style = \"color:gray;\"; } } AutoConnectButton \u00b6 AutoConnectButton generates an HTML < button type = \"button\" > tag and locates a clickable button to a custom Web page. Currently AutoConnectButton corresponds only to name, value, an onclick attribute of HTML button tag. An onclick attribute is generated from an action member variable of the AutoConnectButton, which is mostly used with a JavaScript to activate a script. Sample AutoConnectButton button(\"button\", \"OK\", \"myFunction()\"); On the page: Constructor \u00b6 AutoConnectButton( const char * name, const char * value, const String & action, const ACPosterior_t post) name \u00b6 It is the name of the AutoConnectButton element and matches the name attribute of the button tag. It also becomes the parameter name of the query string when submitted. value \u00b6 It becomes a value of the value attribute of an HTML button tag. action \u00b6 action is String data type and is an onclick attribute fire on a mouse click on the element. It is mostly used with a JavaScript to activate a script. 1 For example, the following code defines a custom Web page that copies a content of Text1 to Text2 by clicking Button . const char * scCopyText = R\"( )\" ; ACInput(Text1, \"Text1\" ); ACInput(Text2, \"Text2\" ); ACButton(Button, \"COPY\" , \"CopyText()\" ); ACElement(TextCopy, scCopyText); post \u00b6 Specifies a tag to add behind the HTML code generated from the element. The default values is AC_Tag_None . AutoConnectCheckbox \u00b6 AutoConnectCheckbox generates an HTML < input type = \"checkbox\" > tag and a < label > tag. It places horizontally on a custom Web page by default. Sample AutoConnectCheckbox checkbox(\"checkbox\", \"uniqueapid\", \"Use APID unique\", false); On the page: Constructor \u00b6 AutoConnectCheckbox( const char * name, const char * value, const char * label, const bool checked, const ACPosition_t labelPosition, const ACPosterior_t post) name \u00b6 It is the name of the AutoConnectCheckbox element and matches the name attribute of the input tag. It also becomes the parameter name of the query string when submitted. value \u00b6 It becomes a value of the value attribute of an HTML < input type = \"checkbox\" > tag. label \u00b6 A label is an optional string. A label is always arranged on the right side of the checkbox. Specification of a label will generate an HTML