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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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35
examples/c++/si7005.cxx
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@@ -22,30 +22,31 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <exception>
#include <iostream>
#include "si7005.hpp"
#include "upm_utilities.h"
#define EDISON_I2C_BUS 1
#define EDISON_GPIO_SI7005_CS 20
//! [Interesting]
int main ()
int
main()
{
try {
upm::SI7005* sensor = new upm::SI7005(EDISON_I2C_BUS, EDISON_GPIO_SI7005_CS);
while (true) {
int temperature = sensor->getTemperatureCelsius();
int humidity = sensor->getHumidityRelative();
std::cout << "Temperature = " << temperature << "C" << std::endl;
std::cout << "Humidity = " << humidity << "%" << std::endl;
sleep(1);
}
delete sensor;
} catch (std::exception& e) {
std::cerr << e.what() << std::endl;
}
return 0;
try {
upm::SI7005 sensor(EDISON_I2C_BUS, EDISON_GPIO_SI7005_CS);
while (true) {
int temperature = sensor.getTemperatureCelsius();
int humidity = sensor.getHumidityRelative();
std::cout << "Temperature = " << temperature << "C" << std::endl;
std::cout << "Humidity = " << humidity << "%" << std::endl;
upm_delay(1);
}
} catch (std::exception& e) {
std::cerr << e.what() << std::endl;
}
return 0;
}
//! [Interesting]