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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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3
examples/c++/CMakeLists.txt
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@ -153,6 +153,7 @@ add_executable (urm37-uart-example urm37-uart.cxx)
add_executable (adxrs610-example adxrs610.cxx)
add_executable (bma220-example bma220.cxx)
add_executable (dfrph-example dfrph.cxx)
add_executable (mcp9808-example mcp9808.cxx)
include_directories (${PROJECT_SOURCE_DIR}/src/hmc5883l)
include_directories (${PROJECT_SOURCE_DIR}/src/grove)
@ -270,6 +271,7 @@ include_directories (${PROJECT_SOURCE_DIR}/src/urm37)
include_directories (${PROJECT_SOURCE_DIR}/src/adxrs610)
include_directories (${PROJECT_SOURCE_DIR}/src/bma220)
include_directories (${PROJECT_SOURCE_DIR}/src/dfrph)
include_directories (${PROJECT_SOURCE_DIR}/src/mcp9808)
target_link_libraries (hmc5883l-example hmc5883l ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (groveled-example grove ${CMAKE_THREAD_LIBS_INIT})
@ -424,3 +426,4 @@ target_link_libraries (urm37-uart-example urm37 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (adxrs610-example adxrs610 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (bma220-example bma220 ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (dfrph-example dfrph ${CMAKE_THREAD_LIBS_INIT})
target_link_libraries (mcp9808-example mcp9808 ${CMAKE_THREAD_LIBS_INIT})

171
examples/c++/mcp9808.cxx Normal file
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@ -0,0 +1,171 @@
#include "mraa.hpp"
#include <iostream>
#include <unistd.h>
#include "mcp9808.h"
int main()
{
using namespace std;
int command;
upm::MCP9808 *temp = new upm::MCP9808(6);
do
{
cout << endl;
cout << "1 - read temp \t" ;
cout << "2 - sleep mode \t";
cout << "3 - wake up" << endl;
cout << "4 - set mode to " << (temp->isCelsius() == true ? "Fahrenheit" : "Celcius") << endl;
cout << "5 - show status bits" << endl;
cout << "6 - Set Tcrit \t" ;
cout << "7 - Set Tupper \t" ;
cout << "8 - Set Tlower " << endl;
cout << "9 - Display monitor temps " << endl;
cout << "10 - Enable alert default\t";
cout << "11 - Enable alert interrupt" << endl;
cout << "12 - Clear interrupt \t" ;
cout << "13 - Clear alert mode" << endl;
cout << "14 - Get Hysteresis\t";
cout << "15 - Set Hysteresis" << endl;
cout << "16 - Get Resolution\t";
cout << "17 - Set Resolution" << endl;
cout << "18 - Get Manufacturer ID"<< endl;
cout << "19 - Get Device ID" << endl;
cout << "-1 - exit" << endl;
cout << "Enter a command: ";
cin >> command;
switch(command)
{
float t;
case 1:
std::cout << "Temp: " << temp->getTemp() << "° " << (temp->isCelsius()? "Celsius" : "Fahrenheit")<< std::endl;
break;
case 2:
cout << "shutdown sensor (sleep mode)" << endl;
temp->shutDown();
break;
case 3:
cout << "wake up sensor" << endl;
temp->shutDown(false);
break;
case 4:
cout << "set mode to " << (temp->isCelsius() ? "Fahrenheit" : "Celcius") << endl;
temp->setMode(!temp->isCelsius());
break;
case 5:
cout << "Tcrit = " << temp->isTcrit();
cout << " Tupper = " << temp->isTupper();
cout << " Tlower = " << temp->isTlower();
break;
case 6:
cout << "enter a value";
cin >> t;
temp->setMonitorReg(temp->CRIT_TEMP, t);
break;
case 7:
cout << "enter a value";
cin >> t;
temp->setMonitorReg(temp->UPPER_TEMP, t);
break;
case 8:
cout << "enter a value";
cin >> t;
temp->setMonitorReg(temp->LOWER_TEMP, t);
break;
case 9:
cout << "tcrit = " << temp->getMonitorReg(temp->CRIT_TEMP) << endl;
cout << "tupper = " << temp->getMonitorReg(temp->UPPER_TEMP) << endl;
cout << "tlower = " << temp->getMonitorReg(temp->LOWER_TEMP) << endl;
break;
case 10:
cout << "set alert mode default" ;
temp->setAlertMode(temp->ALERTCTRL);
break;
case 11:
cout << "set alert mode interrupt";
temp->setAlertMode(temp->ALERTMODE | temp->ALERTCTRL );
break;
case 12:
temp->clearInterrupt();
break;
case 13:
cout << "Clear alerts" << endl;
temp->clearAlertMode();
break;
case 14:
cout << "Hysteresis: " << temp->getHysteresis() << endl;
break;
case 15:
int u;
cout << "enter 1 to 4";
cin >> u ;
switch(u)
{
case 1:
temp->setHysteresis(temp->HYST_0);
break;
case 2:
temp->setHysteresis(temp->HYST_1_5);
break;
case 3:
temp->setHysteresis(temp->HYST_3_0);
break;
case 4:
default:
temp->setHysteresis(temp->HYST_6_0);
break;
}
break;
case 16:
cout << "Resolution: " << temp->getResolution() << endl;
break;
case 17:
int v;
cout << "enter 1 to 4";
cin >> v ;
switch(v)
{
case 1:
temp->setResolution(temp->RES_LOW);
break;
case 2:
temp->setResolution(temp->RES_MEDIUM);
break;
case 3:
temp->setResolution(temp->RES_HIGH);
break;
case 4:
default:
temp->setResolution(temp->RES_PRECISION);
break;
}
break;
case 18:
cout << "Manufacturer ID: " << std::hex << temp->getManufacturer() << endl;
break;
case 19:
cout << "Get device ID: " << std::hex << temp->getDevicedId() << endl;
break;
case -1:
break;
default:
cout << endl << "That option is not available. Try again" << endl;
break;
}
}while (command != -1 );
return MRAA_SUCCESS;
}