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mcp9808: Initial commit for MCP9808 precision temperature sensor.

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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>
This commit is contained in:
Marc Graham
2015-10-08 16:55:25 -07:00
committed by Mihai Tudor Panu
parent 422592f993
commit 85b5c8a64e
10 changed files with 794 additions and 0 deletions
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examples/javascript/mcp9808.js Normal file
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/*jslint node:true, vars:true, bitwise:true, unparam:true */
/*jshint unused:true */
// Leave the above lines for propper jshinting
//Type Node.js Here :)
/*
* The MIT License
*
* Author: Marc Graham <marc@m2ag.net>
* 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 mcp = require('jsupm_mcp9808');
var temp = new mcp.MCP9808(6);
console.log(temp.getTemp());
//Sleep mode:
temp.shutDown();
//wake up
temp.shutDown(false);
//set mode to report fahrenheit
temp.setMode(false);
//check reporting mode
console.log(temp.isCelsius()) //False = fahrenheit
//set mode to celsius
temp.setMode();
//read temp
temp.getTemp();
//check Tcrit, Tupper or Tlower status bits
temp.isTcrit(); // true if over boundry.
temp.isTupper();
temp.isTlower();
//set the values of monitior registers
temp.setMonitorReg(mcp.MCP9808.CRIT_TEMP, 23);
temp.setMonitorReg(mcp.MCP9808.LOWER_TEMP, 20);
temp.setMonitorReg(mcp.MCP9808.UPPER_TEMP, 22);
//read MonitorReg
console.log("Tcrit = " + temp.getMonitorReg(mcp.MCP9808.CRIT_TEMP));
console.log("Tcrit = " + temp.getMonitorReg(mcp.MCP9808.LOWER_TEMP));
console.log("Tcrit = " + temp.getMonitorReg(mcp.MCP9808.UPPER_TEMP));
process.exit(0);