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mcp9808: Initial commit for MCP9808 precision temperature sensor.
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
committed by
Mihai Tudor Panu
Mihai Tudor Panu
parent
422592f993
commit
85b5c8a64e
@ -153,6 +153,7 @@ add_executable (urm37-uart-example urm37-uart.cxx)
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add_executable (adxrs610-example adxrs610.cxx)
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add_executable (bma220-example bma220.cxx)
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add_executable (dfrph-example dfrph.cxx)
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add_executable (mcp9808-example mcp9808.cxx)
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include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
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include_directories (${PROJECT_SOURCE_DIR}/src/grove)
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@ -270,6 +271,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/urm37)
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include_directories (${PROJECT_SOURCE_DIR}/src/adxrs610)
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include_directories (${PROJECT_SOURCE_DIR}/src/bma220)
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include_directories (${PROJECT_SOURCE_DIR}/src/dfrph)
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include_directories (${PROJECT_SOURCE_DIR}/src/mcp9808)
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target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT})
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@ -424,3 +426,4 @@ target_link_libraries (urm37-uart-example urm37 ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (adxrs610-example adxrs610 ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (bma220-example bma220 ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (dfrph-example dfrph ${CMAKE_THREAD_LIBS_INIT})
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target_link_libraries (mcp9808-example mcp9808 ${CMAKE_THREAD_LIBS_INIT})
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171
examples/c++/mcp9808.cxx
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171
examples/c++/mcp9808.cxx
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#include "mraa.hpp"
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#include <iostream>
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#include <unistd.h>
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#include "mcp9808.h"
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int main()
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{
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using namespace std;
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int command;
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upm::MCP9808 *temp = new upm::MCP9808(6);
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do
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{
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cout << endl;
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cout << "1 - read temp \t" ;
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cout << "2 - sleep mode \t";
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cout << "3 - wake up" << endl;
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cout << "4 - set mode to " << (temp->isCelsius() == true ? "Fahrenheit" : "Celcius") << endl;
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cout << "5 - show status bits" << endl;
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cout << "6 - Set Tcrit \t" ;
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cout << "7 - Set Tupper \t" ;
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cout << "8 - Set Tlower " << endl;
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cout << "9 - Display monitor temps " << endl;
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cout << "10 - Enable alert default\t";
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cout << "11 - Enable alert interrupt" << endl;
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cout << "12 - Clear interrupt \t" ;
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cout << "13 - Clear alert mode" << endl;
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cout << "14 - Get Hysteresis\t";
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cout << "15 - Set Hysteresis" << endl;
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cout << "16 - Get Resolution\t";
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cout << "17 - Set Resolution" << endl;
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cout << "18 - Get Manufacturer ID"<< endl;
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cout << "19 - Get Device ID" << endl;
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cout << "-1 - exit" << endl;
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cout << "Enter a command: ";
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cin >> command;
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switch(command)
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{
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float t;
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case 1:
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std::cout << "Temp: " << temp->getTemp() << "° " << (temp->isCelsius()? "Celsius" : "Fahrenheit")<< std::endl;
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break;
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case 2:
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cout << "shutdown sensor (sleep mode)" << endl;
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temp->shutDown();
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break;
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case 3:
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cout << "wake up sensor" << endl;
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temp->shutDown(false);
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break;
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case 4:
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cout << "set mode to " << (temp->isCelsius() ? "Fahrenheit" : "Celcius") << endl;
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temp->setMode(!temp->isCelsius());
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break;
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case 5:
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cout << "Tcrit = " << temp->isTcrit();
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cout << " Tupper = " << temp->isTupper();
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cout << " Tlower = " << temp->isTlower();
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break;
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case 6:
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cout << "enter a value";
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cin >> t;
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temp->setMonitorReg(temp->CRIT_TEMP, t);
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break;
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case 7:
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cout << "enter a value";
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cin >> t;
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temp->setMonitorReg(temp->UPPER_TEMP, t);
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break;
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case 8:
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cout << "enter a value";
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cin >> t;
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temp->setMonitorReg(temp->LOWER_TEMP, t);
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break;
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case 9:
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cout << "tcrit = " << temp->getMonitorReg(temp->CRIT_TEMP) << endl;
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cout << "tupper = " << temp->getMonitorReg(temp->UPPER_TEMP) << endl;
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cout << "tlower = " << temp->getMonitorReg(temp->LOWER_TEMP) << endl;
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break;
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case 10:
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cout << "set alert mode default" ;
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temp->setAlertMode(temp->ALERTCTRL);
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break;
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case 11:
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cout << "set alert mode interrupt";
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temp->setAlertMode(temp->ALERTMODE | temp->ALERTCTRL );
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break;
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case 12:
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temp->clearInterrupt();
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break;
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case 13:
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cout << "Clear alerts" << endl;
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temp->clearAlertMode();
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break;
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case 14:
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cout << "Hysteresis: " << temp->getHysteresis() << endl;
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break;
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case 15:
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int u;
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cout << "enter 1 to 4";
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cin >> u ;
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switch(u)
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{
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case 1:
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temp->setHysteresis(temp->HYST_0);
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break;
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case 2:
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temp->setHysteresis(temp->HYST_1_5);
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break;
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case 3:
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temp->setHysteresis(temp->HYST_3_0);
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break;
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case 4:
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default:
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temp->setHysteresis(temp->HYST_6_0);
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break;
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}
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break;
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case 16:
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cout << "Resolution: " << temp->getResolution() << endl;
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break;
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case 17:
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int v;
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cout << "enter 1 to 4";
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cin >> v ;
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switch(v)
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{
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case 1:
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temp->setResolution(temp->RES_LOW);
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break;
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case 2:
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temp->setResolution(temp->RES_MEDIUM);
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break;
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case 3:
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temp->setResolution(temp->RES_HIGH);
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break;
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case 4:
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default:
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temp->setResolution(temp->RES_PRECISION);
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break;
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}
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break;
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case 18:
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cout << "Manufacturer ID: " << std::hex << temp->getManufacturer() << endl;
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break;
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case 19:
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cout << "Get device ID: " << std::hex << temp->getDevicedId() << endl;
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break;
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case -1:
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break;
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default:
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cout << endl << "That option is not available. Try again" << endl;
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break;
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}
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}while (command != -1 );
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return MRAA_SUCCESS;
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}
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70
examples/javascript/mcp9808.js
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70
examples/javascript/mcp9808.js
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@ -0,0 +1,70 @@
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/*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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