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examples: Remove heap allocation from C++ examples

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Cleanup of UPM C++ examples.  Switched from heap allocation to
stack allocation when possible.  This simplifies the samples since it
removes the need for explicit memory management.  A script was used to
identify and replace pointer use.  To simplify the replace script, I
re-formatted the C++ examples using the UPM .clang-format file.
Unfortuantely this changes the look of the UPM C++ examples to a large
degree.  However, examples will now have a standard look/feel and
uniform formatting.

    * Ran clang-format w/provided UPM .clang-format file
    * Removed new's/delete's whenever possible (left those in interface
      examples)
    * Added IIO sensor library implementation of callback void* arg
    * Converted all sleeps to upm defined delays (added header when
      necessary)
    * Scrubbed CXX example includes

Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Noel Eck
2017-08-30 15:00:29 -07:00
committed by Mihai Tudor Panu
parent bd6e4ec786
commit 5cefe7f5f3
290 changed files with 7976 additions and 8520 deletions
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305
examples/c++/mcp9808.cxx
View File

@ -1,163 +1,158 @@
#include <iostream>
#include <unistd.h>
#include "mcp9808.hpp"
#include "mraa.hpp"
int main()
int
main()
{
using namespace std;
using namespace std;
//! [Interesting]
int command;
upm::MCP9808 *temp = new upm::MCP9808(6);
//! [Interesting]
int command;
upm::MCP9808 temp(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" : "Celsius") << 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;
do {
cout << endl;
cout << "1 - read temp \t";
cout << "2 - upm_delay mode \t";
cout << "3 - wake up" << endl;
cout << "4 - set mode to " << (temp.isCelsius() == true ? "Fahrenheit" : "Celsius") << 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" : "Celsius") << 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 );
//! [Interesting]
return 0;
switch (command) {
float t;
case 1:
std::cout << "Temp: " << temp.getTemp() << "* "
<< (temp.isCelsius() ? "Celsius" : "Fahrenheit") << std::endl;
break;
case 2:
cout << "shutdown sensor (upm_delay 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" : "Celsius") << 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);
//! [Interesting]
return 0;
}