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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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56
examples/c++/sx6119.cxx
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@ -22,48 +22,46 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include "sx6119.hpp"
using namespace std;
int main (int argc, char **argv)
int
main(int argc, char** argv)
{
//! [Interesting]
// Instantiate a SX6119 on digital pins 2 (power) and 3 (seek)
// This example was tested on the Grove FM Receiver.
//! [Interesting]
// Instantiate a SX6119 on digital pins 2 (power) and 3 (seek)
// This example was tested on the Grove FM Receiver.
upm::SX6119* radio = new upm::SX6119(2, 3);
// if an argument was specified (any argument), seek to the next
// station, else just toggle the power.
upm::SX6119 radio(2, 3);
// if an argument was specified (any argument), seek to the next
// station, else just toggle the power.
cout << "Supply any argument to the command line to seek to the" << endl;
cout << "next station." << endl;
cout << "Running the example without an argument will toggle the" <<endl;
cout << "power on or off." << endl;
cout << "Supply any argument to the command line to seek to the" << endl;
cout << "next station." << endl;
cout << "Running the example without an argument will toggle the" << endl;
cout << "power on or off." << endl;
cout << endl;
cout << endl;
bool doSeek = false;
bool doSeek = false;
if (argc > 1)
doSeek = true;
// depending on what was selected, do it
if (argc > 1)
doSeek = true;
if (doSeek)
radio->seek();
else
radio->togglePower();
//! [Interesting]
// depending on what was selected, do it
cout << "Exiting..." << endl;
if (doSeek)
radio.seek();
else
radio.togglePower();
delete radio;
return 0;
//! [Interesting]
cout << "Exiting..." << endl;
return 0;
}