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xbee: Initial implementation

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This is a basic serial module that allows access to various XBee
devices via a UART port.  It was tested with the XBee S6B WiFi Module
and the XBee S1 802.14.4 module.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Abhishek Malik <abhishek.malik@intel.com>
This commit is contained in:
Jon Trulson
2015-10-15 10:57:36 -07:00
committed by Abhishek Malik
parent 0d2541270e
commit 6e095826d3
10 changed files with 734 additions and 0 deletions
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examples/javascript/xbee.js Normal file
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/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*
* Author: Jon Trulson <jtrulson@ics.com>
* Copyright (c) 2015 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
var sensorObj = require('jsupm_xbee');
/************** Functions **************/
function printUsage(progname)
{
var outputStr = "Usage: " + progname + " [AT command]\n\n" +
"If an argument is supplied on the command line, that argument is\n" +
"sent to the module and the response is printed out.\n\n" +
"If no argument is used, then the firmware revision, serial number\n" +
"and the current IP address (if set) are queried.\n\n"
console.log(outputStr);
}
// simple helper function to send a command and wait for a response
function sendCommand(sensor, cmd)
{
// commands need to be terminated with a carriage return
cmd += "\r";
sensor.writeDataStr(cmd);
var resp = "";
while (sensor.dataAvailable(2000))
{
resp += sensor.readDataStr(1024);
}
if (!resp)
{
console.log("Timed out waiting for response");
}
else
{
resp = sensor.stringCR2LF(resp);
console.log("Returned (" + resp.length + " bytes):");
console.log(resp);
}
}
/************** Main code **************/
// Instantiate a XBEE Module on UART 0
var sensor = new sensorObj.XBee(0);
// Set the baud rate, 9600 baud is the default.
if (sensor.setBaudRate(9600))
{
console.log("Failed to set baud rate");
process.exit(0);
}
printUsage(process.argv[1]);
// Note: in nodeJS, command-line argument 0 is "node".
// Command-line argument 1 is "xbee.js"
// If you have a third argument, then it's a command
if (process.argv.length > 2)
{
// enable command mode
sensor.commandMode();
console.log("Sending command line argument (" + process.argv[2] + ")...");
sendCommand(sensor, process.argv[2]);
}
else
{
// enable command mode
sensor.commandMode();
// query the verbose firmware revision
console.log("Querying verbose firmware revision (ATVL)...");
sendCommand(sensor, "ATVL");
// query the number
console.log("Querying Serial Number High (ATSH)...");
sendCommand(sensor, "ATSH");
console.log("Querying Serial Number Low (ATSL)...");
sendCommand(sensor, "ATSL");
console.log("Querying address, if set (ATMY)...");
sendCommand(sensor, "ATMY");
// For the XBee WiFi S6B
// A comprehensive list of commands and command modes is
// available from the datasheet at:
// ftp1.digi.com/support/documentation/90002180_L.pdf
// For the XBee S1
// A comprehensive list of commands and command modes is
// available from the datasheet at:
// http://www.sparkfun.com/datasheets/Wireless/Zigbee/XBee-Datasheet.pdf
// For the XBee WiFi module:
// An example using AT commands to connect to an AP, with a
// private Key using WPA2:
// Connect to AP with SSID 'mySSID':
// ATIDmySSID
// Provide the private key 'secret':
// ATPKsecret
// Use WPA2 encryption
// ATEE2
}
/************** Exit code **************/
process.on('SIGINT', function()
{
sensor = null;
sensorObj.cleanUp();
sensorObj = null;
console.log("Exiting...");
process.exit(0);
});