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85b5c8a64e
Add support for MCP9808 precision temp sensor. Implements all features except for TCrit and TUpper and TLower locking. Functionality includes alert, interrupt, resolution and hysteresis control. Signed-off-by: Marc Graham <marc@m2ag.com> Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
70 lines
2.2 KiB
JavaScript
70 lines
2.2 KiB
JavaScript
/*jslint node:true, vars:true, bitwise:true, unparam:true */
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/*jshint unused:true */
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// Leave the above lines for propper jshinting
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//Type Node.js Here :)
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/*
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* The MIT License
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*
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* Author: Marc Graham <marc@m2ag.net>
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* Copyright (c) 2015 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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var mcp = require('jsupm_mcp9808');
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var temp = new mcp.MCP9808(6);
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console.log(temp.getTemp());
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//Sleep mode:
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temp.shutDown();
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//wake up
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temp.shutDown(false);
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//set mode to report fahrenheit
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temp.setMode(false);
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//check reporting mode
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console.log(temp.isCelsius()) //False = fahrenheit
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//set mode to celsius
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temp.setMode();
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//read temp
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temp.getTemp();
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//check Tcrit, Tupper or Tlower status bits
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temp.isTcrit(); // true if over boundry.
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temp.isTupper();
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temp.isTlower();
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//set the values of monitior registers
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temp.setMonitorReg(mcp.MCP9808.CRIT_TEMP, 23);
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temp.setMonitorReg(mcp.MCP9808.LOWER_TEMP, 20);
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temp.setMonitorReg(mcp.MCP9808.UPPER_TEMP, 22);
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//read MonitorReg
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console.log("Tcrit = " + temp.getMonitorReg(mcp.MCP9808.CRIT_TEMP));
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console.log("Tcrit = " + temp.getMonitorReg(mcp.MCP9808.LOWER_TEMP));
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console.log("Tcrit = " + temp.getMonitorReg(mcp.MCP9808.UPPER_TEMP));
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process.exit(0);
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