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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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64
examples/c++/mma8x5x.cxx
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@ -21,31 +21,33 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include "mma8x5x.hpp"
#include "upm_utilities.h"
using namespace upm;
bool run = true;
void sig_handler(int sig)
void
sig_handler(int sig)
{
if (sig == SIGINT)
run = false;
if (sig == SIGINT)
run = false;
}
int main(int argc, char **argv)
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
signal(SIGINT, sig_handler);
//! [Interesting]
upm::mma8x5x_data_t data;
//! [Interesting]
upm::mma8x5x_data_t data;
// U can set your own parameters for an MMA8X5X instance with
/*
// U can set your own parameters for an MMA8X5X instance with
/*
upm::mma8x5x_params_t params;
params.type = <device-id>; device-id of your sensor
params.rate = <sampling-rate>; between 0<<3 and 7<<3
@ -55,37 +57,35 @@ int main(int argc, char **argv)
params.offsetZ = <z-axis offset>; between 0 and 255
*/
std::cout << "Initializing test-application..." << std::endl;
std::cout << "Initializing test-application..." << std::endl;
// Instantiate an MMA8X5X instance on bus 1 with default parameters
// The sensor-type will be detected by reading out the device-id
upm::MMA8X5X *mySensor = new upm::MMA8X5X(1);
// Instantiate an MMA8X5X instance on bus 1 with default parameters
// The sensor-type will be detected by reading out the device-id
upm::MMA8X5X mySensor(1);
// If u have set own parameters use this one
/*
upm::MMA8X5X *mySensor = new upm::MMA8X5X(1, &params);
// If u have set own parameters use this one
/*
upm::MMA8X5X mySensor(1, &params);
*/
// activate periodic measurements
mySensor->setActive();
// activate periodic measurements
mySensor.setActive();
// update and print available values every second
while (run)
{
mySensor->getData (&data, true);
std::cout << "x: " << (int)data.x << std::endl
<< "y: " << (int)data.y << std::endl
<< "z: " << (int)data.z << std::endl;
// update and print available values every second
while (run) {
mySensor.getData(&data, true);
std::cout << "x: " << (int) data.x << std::endl
<< "y: " << (int) data.y << std::endl
<< "z: " << (int) data.z << std::endl;
std::cout << std::endl;
sleep(1);
upm_delay(1);
}
std::cout << "Exiting test-application..." << std::endl;
std::cout << "Exiting test-application..." << std::endl;
delete mySensor;
//! [Interesting]
//! [Interesting]
return 0;
}
return 0;
}