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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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39
examples/c++/maxds3231m.cxx
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@ -22,13 +22,14 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include "maxds3231m.hpp"
#include <signal.h>
#include <stdio.h>
#include "maxds3231m.hpp"
#include "upm_utilities.h"
int doWork = 0;
upm::MAXDS3231M *sensor = NULL;
void
sig_handler(int signo)
@ -41,35 +42,33 @@ sig_handler(int signo)
}
int
main(int argc, char **argv)
main(int argc, char** argv)
{
//! [Interesting]
upm::Time3231 t;
sensor = new upm::MAXDS3231M(0, ADDR);
upm::MAXDS3231M sensor(0, ADDR);
t.second = 1;
t.minute = 3;
t.hour = 3;
t.day = 3;
t.month = 3;
t.year = 3;
t.weekDay = 3;
sensor->setDate (t); // Note, second should be set to 1.
t.second = 1;
t.minute = 3;
t.hour = 3;
t.day = 3;
t.month = 3;
t.year = 3;
t.weekDay = 3;
sensor.setDate(t); // Note, second should be set to 1.
usleep (500000);
upm_delay_us(500000);
while (!doWork) {
if (sensor->getDate (t)) {
std::cout << (int)t.hour << ":" << (int)t.minute << ":" << (int)t.second << std::endl;
if (sensor.getDate(t)) {
std::cout << (int) t.hour << ":" << (int) t.minute << ":" << (int) t.second << std::endl;
}
std::cout << "Temperature " << sensor->getTemperature() << std::endl;
usleep (1000000);
std::cout << "Temperature " << sensor.getTemperature() << std::endl;
upm_delay_us(1000000);
}
//! [Interesting]
std::cout << "exiting application" << std::endl;
delete sensor;
return 0;
}