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37 lines
1.1 KiB
JavaScript
37 lines
1.1 KiB
JavaScript
/*
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* Author: Zion Orent <zorent@ics.com>
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* Copyright (c) 2014 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 voltageDivider = require('jsupm_vdiv');
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// Instantiate a Voltage Divider sensor on analog pin A0
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var myVoltageDivider = new voltageDivider.VDiv(0);
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// collect data and output measured voltage according to the setting
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// of the scaling switch (3 or 10)
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var val, gain3val, gain10val;
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function getVoltageInfo() {
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val = myVoltageDivider.value(100);
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gain3val = myVoltageDivider.computedValue(3, val);
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gain10val = myVoltageDivider.computedValue(10, val);
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console.log("ADC value: " + val + " Gain 3: " + gain3val + "v Gain 10: " + gain10val + "v");
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}
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setInterval(getVoltageInfo, 1000);
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// Print message when exiting
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process.on('SIGINT', function() {
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myVoltageDivider = null;
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voltageDivider.cleanUp();
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voltageDivider = null;
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console.log("Exiting...");
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process.exit(0);
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});
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