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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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59
examples/c++/h3lis331dl.cxx
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@ -22,59 +22,58 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <signal.h>
#include <iostream>
#include <signal.h>
#include "h3lis331dl.hpp"
#include "upm_utilities.h"
using namespace std;
using namespace upm;
int 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 argc, char **argv)
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate an H3LIS331DL on I2C bus 0
//! [Interesting]
// Instantiate an H3LIS331DL on I2C bus 0
upm::H3LIS331DL *accel = new upm::H3LIS331DL(H3LIS331DL_I2C_BUS,
H3LIS331DL_DEFAULT_I2C_ADDR);
upm::H3LIS331DL accel(H3LIS331DL_I2C_BUS, H3LIS331DL_DEFAULT_I2C_ADDR);
// Initialize the device with default values
accel->init();
// Initialize the device with default values
accel.init();
while (shouldRun)
{
int x, y, z;
float ax, ay, az;
while (shouldRun) {
int x, y, z;
float ax, ay, az;
accel->update();
accel.update();
accel->getRawXYZ(&x, &y, &z);
accel->getAcceleration(&ax, &ay, &az);
accel.getRawXYZ(&x, &y, &z);
accel.getAcceleration(&ax, &ay, &az);
cout << "Raw: X = " << x << " Y = " << y << " Z = " << z << endl;
cout << "Acceleration: AX = " << ax << " AY = " << ay << " AZ = " << az
<< endl;
cout << "Raw: X = " << x << " Y = " << y << " Z = " << z << endl;
cout << endl;
cout << "Acceleration: AX = " << ax << " AY = " << ay << " AZ = " << az << endl;
usleep(500000);
cout << endl;
upm_delay_us(500000);
}
//! [Interesting]
//! [Interesting]
cout << "Exiting..." << endl;
cout << "Exiting..." << endl;
delete accel;
return 0;
return 0;
}