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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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36
examples/c++/sensortemplate.cxx
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@ -4,43 +4,49 @@
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#include <iostream>
#include <unistd.h>
#include <string>
#include "sensortemplate.hpp"
#include "upm_utilities.h"
int main ()
int
main()
{
//! [Interesting]
// Create an instance of SensorTemplate
upm::SensorTemplate sensor(0);
while(true)
{
std::cout << "SensorTemplate says: "
<< sensor.helloWorld() << std::endl;
while (true) {
std::cout << "SensorTemplate says: " << sensor.helloWorld() << std::endl;
// Repeat every 2 seconds
usleep(2000000);
upm_delay_us(2000000);
}
//! [Interesting]
return 0;