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125 lines
3.3 KiB
JavaScript
125 lines
3.3 KiB
JavaScript
/*
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* Author: Jon Trulson <jtrulson@ics.com>
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* Copyright (c) 2015 Intel Corporation.
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*
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* This program and the accompanying materials are made available under the
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* terms of the The MIT License which is available at
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* https://opensource.org/licenses/MIT.
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*
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* SPDX-License-Identifier: MIT
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*/
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var sensorObj = require('jsupm_xbee');
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/************** Functions **************/
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function printUsage(progname)
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{
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var outputStr = "Usage: " + progname + " [AT command]\n\n" +
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"If an argument is supplied on the command line, that argument is\n" +
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"sent to the module and the response is printed out.\n\n" +
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"If no argument is used, then the firmware revision, serial number\n" +
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"and the current IP address (if set) are queried.\n\n"
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console.log(outputStr);
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}
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// simple helper function to send a command and wait for a response
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function sendCommand(sensor, cmd)
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{
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// commands need to be terminated with a carriage return
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cmd += "\r";
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sensor.writeDataStr(cmd);
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var resp = "";
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while (sensor.dataAvailable(2000))
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{
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resp += sensor.readDataStr(1024);
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}
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if (!resp)
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{
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console.log("Timed out waiting for response");
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}
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else
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{
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resp = sensor.stringCR2LF(resp);
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console.log("Returned (" + resp.length + " bytes):");
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console.log(resp);
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}
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}
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/************** Main code **************/
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// Instantiate a XBEE Module on UART 0
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var sensor = new sensorObj.XBee(0);
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// Set the baud rate, 9600 baud is the default.
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if (sensor.setBaudRate(9600))
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{
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console.log("Failed to set baud rate");
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process.exit(0);
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}
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printUsage(process.argv[1]);
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// Note: in nodeJS, command-line argument 0 is "node".
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// Command-line argument 1 is "xbee.js"
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// If you have a third argument, then it's a command
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if (process.argv.length > 2)
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{
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// enable command mode
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sensor.commandMode();
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console.log("Sending command line argument (" + process.argv[2] + ")...");
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sendCommand(sensor, process.argv[2]);
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}
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else
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{
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// enable command mode
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sensor.commandMode();
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// query the verbose firmware revision
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console.log("Querying verbose firmware revision (ATVL)...");
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sendCommand(sensor, "ATVL");
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// query the number
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console.log("Querying Serial Number High (ATSH)...");
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sendCommand(sensor, "ATSH");
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console.log("Querying Serial Number Low (ATSL)...");
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sendCommand(sensor, "ATSL");
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console.log("Querying address, if set (ATMY)...");
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sendCommand(sensor, "ATMY");
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// For the XBee WiFi S6B
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// A comprehensive list of commands and command modes is
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// available from the datasheet at:
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// ftp1.digi.com/support/documentation/90002180_L.pdf
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// For the XBee S1
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// A comprehensive list of commands and command modes is
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// available from the datasheet at:
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// http://www.sparkfun.com/datasheets/Wireless/Zigbee/XBee-Datasheet.pdf
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// For the XBee WiFi module:
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// An example using AT commands to connect to an AP, with a
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// private Key using WPA2:
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// Connect to AP with SSID 'mySSID':
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// ATIDmySSID
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// Provide the private key 'secret':
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// ATPKsecret
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// Use WPA2 encryption
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// ATEE2
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}
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/************** Exit code **************/
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process.on('SIGINT', function()
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{
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sensor = null;
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sensorObj.cleanUp();
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sensorObj = null;
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console.log("Exiting...");
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process.exit(0);
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});
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