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›neqto.js Snippets

Getting Started

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    • When using NEQTO Bridge
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  • Step 3. Using Sensors

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SPRESENSE

    Hardware Specifications

    • 01. About Spresense

    Software Specifications

    • 01. Operational Flow
    • 02. Initial Installation
    • 03. Spresense Wi-Fi Initial Setup
    • 05. Debug Log Acquisition
    • 06. System LED Indications
    • 07. Event Messages
    • 08. Updating Firmware

    neqto.js

    • 01. About neqto.js
    • 02. Log
    • 03. Timers
    • 04. HTTP
    • 05. HTTPS
    • 06. MQTT
    • 07. Secure
    • 08. Storage
    • 10. RTC
    • 12. GPIO
    • 13. UART
    • 15. I2C
    • 17. Camera
    • 18. nqSpresense
    • 19. nqService
    • 20. nqMqtt
    • 21. nqFOTA
    • 22. nqWiFi

NEQTO Bridge Series

    Hardware Specifications

    • 01. NEQTO Bridge Module
    • 02. NEQTO Bridge Wi-Fi Module
    • 03. NEQTO Bridge LTE-1 Module
    • 04. NEQTO Bridge LTE-M/NB Module
    • 05. NEQTO Bridge IO Board
    • 06. NEQTO Bridge Digital IO Board

    Software Specifications

    • 01. Operational Flow
    • 02. NEQTO Bridge Wi-Fi Module Initial Setup
    • 03. NEQTO Bridge LTE Module Initial Setup
    • 04. Debug Log Acquisition
    • 05. System LED Indications
    • 06. Event Messages
    • 07. Updating Firmware

    neqto.js

    • 01. About neqto.js
    • 02. Log
    • 03. Timers
    • 04. HTTP
    • 05. HTTPS
    • 06. MQTT
    • 07. Secure
    • 08. Storage
    • 09. Sleep
    • 10. RTC
    • 11. UserSW
    • 12. GPIO
    • 13. UART
    • 14. SPI
    • 15. I2C
    • 16. ADC
    • 17. BLE
    • 18. nqBridge
    • 19. nqService
    • 20. nqMqtt
    • 21. nqFOTA
    • 22. nqWiFi
    • 23. nqLte
    • 24. nqLAN
    • 25. nqEx

neqto.js Libraries

    I2C

    • LIS2DW12 v2 Accelerometer
    • HTS221 v2 Temperature and Humidity Sensor
    • [Archive] LIS2DW12 Accelerometer
    • [Archive] HTS221 Temperature and Humidity Sensor

    Integration

    • AWS IoT Core v2 Library
    • AWS S3 v2 Library
    • Azure IoT v2 Library
    • GCP IoT Core Library
    • [Archive] AWS S3 Library
    • [Archive] AWS IoT Core Library

neqto.js Snippets

  • DataDog Snippet
  • Dropbox Snippet
  • Google Sheets Snippet
  • InfluxDB Snippet
  • Oracle Cloud Object Storage Snippet
  • Salesforce Snippet
  • SAP Cloud Platform Internet of Things Snippet
  • Splunk Snippet
  • Niagara Snippet

Release Notes

  • NEQTO Console Updates
  • NEQTO Firmware (Bridge Wi-Fi/LTE Module) Releases
  • NEQTO Firmware (Spresense Wi-Fi) Releases

Dropbox Snippet

This snippet can be used by copy-pasting to the neqto.js script.

NEQTO BridgeSPRESENSE
v00.00.30+v01.00.00+

This snippet provides a function to send IoT data to Dropbox.

Details

The send_dropbox function can be used to POST the passed string 'payload' to Dropbox according to the specified 'fileOptions' using an app access token, over HTTPS. The result (error/response) is then passed to the callback function.

To start using this snippet, ACCESS_TOKEN (Access Token from the Dropbox app), and CA are required to be configured by the user.

NOTE: The provided function only allows payloads up to size of 4KB. For bigger sized payloads, please refer to the sample for divided writing in neqto.js docs for NEQTO Bridge and Sony Spresense.

The following CA can be used (as of 2020-07-30),

/* DigiCert High Assurance EV Root CA - 02ac5c266a0b409b8f0b79f2ae462577 */
var CA = "-----BEGIN CERTIFICATE-----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\n+OkuE6N36B9K\n-----END CERTIFICATE-----";
//=================================================================
// DROPBOX SNIPPET
//=================================================================

//=================================================================
// The following configuration are MANDATORY. Set by user.
//=================================================================
// The Access Token for authorization from the Dropbox app.
// eg. 'xxxxxxxxxxxxxxxx'
var ACCESS_TOKEN = '<YOUR_ACCESS-TOKEN>';

// Public certificate of the certificate authority that signed the Dropbox server certificate for SSL/TLS handshake.  
// eg. '-----BEGIN CERTIFICATE-----\n...<CA>...\n-----END CERTIFICATE-----'
var CA = '<YOUR_CA>';
//=================================================================

/**
 * Upload data to Dropbox file using Access Token.
 * https://www.dropbox.com/developers/documentation/http/documentation
 * @function send_dropbox
 * @param {string} fileOptions - Details of the write operation, as an Object.
 * @param {string} payload - Data to be sent to Dropbox, as a String.
 * @param {function} callback - User callback to return the result (error/response).
 * @returns {undefined}
 */
var send_dropbox = function (fileOptions, payload, callback) {
    var body = payload.toString();
    var options = {
        "method": 'POST',
        "host": 'content.dropboxapi.com',
        "path": '/2/files/upload',
        "headers": {
            "Content-Type": 'application/octet-stream',
            "Dropbox-API-Arg": JSON.stringify(fileOptions),
            "Authorization": `Bearer ${ACCESS_TOKEN}`,
            "Content-Length": body.length.toString()
        },
        "ca": CA
    };
    var request = https.request(options, function (response) {
        response.on('end', function () {
            callback(null, { "statusCode": response.statusCode, "statusMessage": response.statusMessage, "body": response.read() });
        });
    });
    request.on('error', function () {
        callback({ "errCode": request.errCode }, null);
    });
    request.end(body.toString(), function () {
        print("[request] SUCCESS");
    });
}

Function Usage Example

/*
<INSERT ABOVE SNIPPET HERE WITH SET CONFIGURATIONS>
*/

//=================================================================
log.setLevel(-1);       //-1:NONE 0:ERROR 1:WARNING 2:DEBUG 3:TRACE
log.printLevel(2);      //0:DISABLE 1:LOG 2:CONSOLE 3:BOTH
//=================================================================
// MAIN SCENARIO
//=================================================================

/**
 * Callback to fetch error/response from the request.
 * @function callback
 * @param {object} err - Error returned in case of a failed request. Has one property - `errCode`.
 * @param {object} data - Response returned by a successfully completed request. Has three properties - `statusCode`, `statusMessage`, and `body`.
 */
var callback = function (err, data) {
    if (err) {
        print("[error]", err.errCode);
    } else {
        print("[status]", data.statusCode, data.statusMessage);
        print("[response]", data.body);
    }
}

var fileOptions = {
    // "property_group": '', // OPTIONAL
    // "client_modified": '', // OPTIONAL
    "path": '/folder/file.txt',
    "mode": 'add', /* 'add', 'overwrite', 'update' */
    "autorename": true, /* true, false */
    "mute": false, /* false, true */
    "strict_conflict": false /* false, true */
};
var payload = "Hello from NEQTO Device";
send_dropbox(fileOptions, payload, callback);
The company names and product names mentioned above are registered trademarks or trademarks of their respective companies.

Updated: 2021-02-19
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