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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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26
examples/c++/lcm1602-i2c.cxx
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@ -26,24 +26,22 @@
#include "upm_utilities.h"
int
main(int argc, char **argv)
main(int argc, char** argv)
{
//! [Interesting]
upm::Lcm1602* lcd = new upm::Lcm1602(0, 0x27);
lcd->setCursor(0,0);
lcd->write("Hello World");
//! [Interesting]
//! [Interesting]
upm::Lcm1602 lcd(0, 0x27);
lcd.setCursor(0, 0);
lcd.write("Hello World");
//! [Interesting]
upm_delay(3);
lcd->setCursor(1,2);
lcd->write("Hello World");
lcd.setCursor(1, 2);
lcd.write("Hello World");
upm_delay(3);
lcd->setCursor(2,4);
lcd->write("Hello World");
lcd.setCursor(2, 4);
lcd.write("Hello World");
upm_delay(3);
lcd->setCursor(3,6);
lcd->write("Hello World");
lcd.setCursor(3, 6);
lcd.write("Hello World");
upm_delay(3);
delete lcd;
return 0;
}