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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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29
examples/c++/servo-es08a.cxx
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@ -22,40 +22,37 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include "es08a.hpp"
#include <signal.h>
#include <stdlib.h>
#include "upm_utilities.h"
int
main(int argc, char **argv)
main(int argc, char** argv)
{
//! [Interesting]
upm::ES08A *servo = new upm::ES08A(5);
upm::ES08A servo(5);
// Sets the shaft to 180, then to 90, then to 0,
// then back to 90, and finally back to 180,
// pausing for a second in between each angle
servo->setAngle (180);
servo.setAngle(180);
std::cout << "Set angle to 180" << std::endl;
sleep(1);
servo->setAngle (90);
upm_delay(1);
servo.setAngle(90);
std::cout << "Set angle to 90" << std::endl;
sleep(1);
servo->setAngle (0);
upm_delay(1);
servo.setAngle(0);
std::cout << "Set angle to 0" << std::endl;
sleep(1);
servo->setAngle (90);
upm_delay(1);
servo.setAngle(90);
std::cout << "Set angle to 90" << std::endl;
sleep(1);
servo->setAngle (180);
upm_delay(1);
servo.setAngle(180);
std::cout << "Set angle to 180" << std::endl;
//! [Interesting]
std::cout << "exiting application" << std::endl;
delete servo;
return 0;
}