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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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66
examples/c++/grovescam.cxx
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@ -22,56 +22,52 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include <stdio.h>
#include "grovescam.hpp"
using namespace std;
using namespace upm;
int main (int argc, char **argv)
int
main(int argc, char** argv)
{
//! [Interesting]
//! [Interesting]
// Instantiate a Grove Serial Camera on UART 0
upm::GROVESCAM* camera = new upm::GROVESCAM(0);
// Instantiate a Grove Serial Camera on UART 0
upm::GROVESCAM camera(0);
// make sure port is initialized properly. 115200 baud is the default.
if (!camera->setupTty())
{
cerr << "Failed to setup tty port parameters" << endl;
return 1;
// make sure port is initialized properly. 115200 baud is the default.
if (!camera.setupTty()) {
cerr << "Failed to setup tty port parameters" << endl;
return 1;
}
if (camera->init())
cout << "Initialized..." << endl;
else
cout << "init() failed" << endl;
if (camera.init())
cout << "Initialized..." << endl;
else
cout << "init() failed" << endl;
if (camera->preCapture())
cout << "preCapture succeeded..." << endl;
else
cout << "preCapture failed." << endl;
if (camera.preCapture())
cout << "preCapture succeeded..." << endl;
else
cout << "preCapture failed." << endl;
if (camera->doCapture())
cout << "doCapture succeeded..." << endl;
else
cout << "doCapture failed." << endl;
if (camera.doCapture())
cout << "doCapture succeeded..." << endl;
else
cout << "doCapture failed." << endl;
cout << "Image size is " << camera->getImageSize() << " bytes" << endl;
cout << "Image size is " << camera.getImageSize() << " bytes" << endl;
if (camera->getImageSize() > 0)
{
cout << "Storing image.jpg..." << endl;
if (camera->storeImage("image.jpg"))
cout << "storeImage succeeded..." << endl;
else
cout << "storeImage failed." << endl;
if (camera.getImageSize() > 0) {
cout << "Storing image.jpg..." << endl;
if (camera.storeImage("image.jpg"))
cout << "storeImage succeeded..." << endl;
else
cout << "storeImage failed." << endl;
}
//! [Interesting]
//! [Interesting]
delete camera;
return 0;
return 0;
}