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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++/i2clcd-eboled.cxx
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@ -23,27 +23,29 @@
*/
#include <iostream>
#include "eboled.hpp"
#include "upm_utilities.h"
using namespace std;
int main(int argc, char **argv)
int
main(int argc, char** argv)
{
//! [Interesting]
// Instantiate an Edison Block OLED using default values
upm::EBOLED *lcd = new upm::EBOLED();
//! [Interesting]
// Instantiate an Edison Block OLED using default values
upm::EBOLED lcd;
lcd->clear();
lcd->setCursor(10, 15);
lcd->write("Hello");
lcd->setCursor(30, 15);
lcd->write("World!");
lcd->refresh();
cout << "Sleeping for 5 seconds..." << endl;
sleep(5);
delete lcd;
//! [Interesting]
return 0;
lcd.clear();
lcd.setCursor(10, 15);
lcd.write("Hello");
lcd.setCursor(30, 15);
lcd.write("World!");
lcd.refresh();
cout << "Sleeping for 5 seconds..." << endl;
upm_delay(5);
//! [Interesting]
return 0;
}