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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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30
examples/c++/nlgpio16.cxx
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@ -22,32 +22,30 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include <stdio.h>
#include "nlgpio16.hpp"
using namespace std;
using namespace upm;
//! [Interesting]
int main(int argc, char **argv)
int
main(int argc, char** argv)
{
// Instantiate a NLGPIO16 Module on the default UART (/dev/ttyACM0)
upm::NLGPIO16* sensor = new upm::NLGPIO16();
// Instantiate a NLGPIO16 Module on the default UART (/dev/ttyACM0)
upm::NLGPIO16 sensor;
// get the Version
cout << "Device Version: " << sensor->getVersion() << endl;
// read the gpio at pin 3
cout << "GPIO 3 Value: " << sensor->gpioRead(3) << endl;
// read the analog voltage at pin 5
cout << "Analog 5 Voltage: " << sensor->analogReadVolts(5) << endl;
// set the gpio at pin 14 to HIGH
sensor->gpioSet(14);
// get the Version
cout << "Device Version: " << sensor.getVersion() << endl;
// read the gpio at pin 3
cout << "GPIO 3 Value: " << sensor.gpioRead(3) << endl;
// read the analog voltage at pin 5
cout << "Analog 5 Voltage: " << sensor.analogReadVolts(5) << endl;
// set the gpio at pin 14 to HIGH
sensor.gpioSet(14);
delete sensor;
return 0;
return 0;
}
//! [Interesting]