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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++/ecezo.cxx
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@@ -22,51 +22,44 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <signal.h>
#include <upm_utilities.h>
#include <ecezo.hpp>
#include <iostream>
#include <signal.h>
#include <upm_utilities.h>
using namespace std;
using namespace upm;
bool shouldRun = true;
void sig_handler(int signo)
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
if (signo == SIGINT)
shouldRun = false;
}
int main()
int
main()
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a ECEZO sensor on uart 0 at 9600 baud.
upm::ECEZO *sensor = new upm::ECEZO(0, 9600, false);
upm::ECEZO sensor(0, 9600, false);
// For I2C, assuming the device is configured for address 0x64 on
// I2C bus 0, you could use something like:
//
// upm::ECEZO *sensor = new upm::ECEZO(0, 0x64, true);
// upm::ECEZO sensor(0, 0x64, true);
while (shouldRun)
{
while (shouldRun) {
// this will take about 1 second to complete
sensor->update();
sensor.update();
cout << "EC "
<< sensor->getEC()
<< " uS/cm, TDS "
<< sensor->getTDS()
<< " mg/L, Salinity "
<< sensor->getSalinity()
<< " PSS-78, SG "
<< sensor->getSG()
<< endl;
cout << "EC " << sensor.getEC() << " uS/cm, TDS " << sensor.getTDS() << " mg/L, Salinity "
<< sensor.getSalinity() << " PSS-78, SG " << sensor.getSG() << endl;
upm_delay(5);
}
@@ -75,7 +68,5 @@ int main()
cout << "Exiting..." << endl;
delete sensor;
return 0;
}