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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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43
examples/c++/lsm303dlh.cxx
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@ -23,48 +23,39 @@
*/
#include <iostream>
#include <stdint.h>
//! [Interesting]
#include "lsm303dlh.hpp"
int
main(int argc, char **argv)
main(int argc, char** argv)
{
// Instantiate LSM303DLH compass on I2C
upm::LSM303DLH *sensor = new upm::LSM303DLH(0);
// Instantiate LSM303DLH compass on I2C
upm::LSM303DLH sensor(0);
// Get the coordinate data
sensor->getCoordinates();
int16_t* coor = sensor->getRawCoorData(); // in XYZ order.
sensor.getCoordinates();
int16_t* coor = sensor.getRawCoorData(); // in XYZ order.
// The sensor returns XZY, but the driver compensates and makes it XYZ
// Print out the X, Y, and Z coordinate data using two different methods
std::cout << "coor: rX " << (int)coor[0]
<< " - rY " << (int)coor[1]
<< " - rZ " << (int)coor[2]
<< std::endl;
std::cout << "coor: gX " << sensor->getCoorX()
<< " - gY " << sensor->getCoorY()
<< " - gZ " << sensor->getCoorZ()
<< std::endl;
std::cout << "coor: rX " << (int) coor[0] << " - rY " << (int) coor[1] << " - rZ "
<< (int) coor[2] << std::endl;
std::cout << "coor: gX " << sensor.getCoorX() << " - gY " << sensor.getCoorY() << " - gZ "
<< sensor.getCoorZ() << std::endl;
// Get and print out the heading
std::cout << "heading: "
<< sensor->getHeading()
<< std::endl;
std::cout << "heading: " << sensor.getHeading() << std::endl;
// Get the acceleration
sensor->getAcceleration();
int16_t* accel = sensor->getRawAccelData();
sensor.getAcceleration();
int16_t* accel = sensor.getRawAccelData();
// Print out the X, Y, and Z acceleration data using two different methods
std::cout << "acc: rX " << (int)accel[0]
<< " - rY " << (int)accel[1]
<< " - Z " << (int)accel[2]
<< std::endl;
std::cout << "acc: gX " << sensor->getAccelX()
<< " - gY " << sensor->getAccelY()
<< " - gZ " << sensor->getAccelZ()
<< std::endl;
std::cout << "acc: rX " << (int) accel[0] << " - rY " << (int) accel[1] << " - Z "
<< (int) accel[2] << std::endl;
std::cout << "acc: gX " << sensor.getAccelX() << " - gY " << sensor.getAccelY() << " - gZ "
<< sensor.getAccelZ() << std::endl;
return 0;
}