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ht9170: Initial implementation

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The driver implements support for the DTMF Shield based on the ht9170.

Signed-off-by: Jon Trulson <jtrulson@ics.com>
Signed-off-by: Zion Orent <zorent@ics.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
This commit is contained in:
Jon Trulson
2015-04-20 12:16:54 -06:00
committed by Mihai Tudor Panu
parent 3d63b80c97
commit 5547d99609
9 changed files with 418 additions and 0 deletions
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examples/javascript/ht9170.js Normal file
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/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
/*
* Author: Zion Orent <zorent@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 ht9170_dtmf_lib = require("jsupm_ht9170");
// Instantiate a DTMF decoder
var dtmf_obj = new ht9170_dtmf_lib.HT9170(12, 11, 10, 9, 8);
// Now we just spin in a loop, sleeping every 100ms, checking to see
// if a digit is available. If so, we decode and print the digit,
// and continue looping.
var myInterval = setInterval(function()
{
if (dtmf_obj.digitReady())
{
console.log("Got DTMF code: " + dtmf_obj.decodeDigit());
// now spin until digitReady() goes false again
while (dtmf.digitReady())
;
}
}, 100);
// When exiting: clear interval, and print message
process.on('SIGINT', function()
{
clearInterval(myInterval);
dtmf_obj = null;
ht9170_dtmf_lib.cleanUp();
ht9170_dtmf_lib = null;
console.log("Exiting");
process.exit(0);
});