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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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35
examples/c++/rn2903-p2p-tx.cxx
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@ -22,30 +22,31 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include <sstream>
#include <string>
#include <signal.h>
#include "rn2903.hpp"
#include "rn2903_defs.h"
#include "upm_utilities.h"
using namespace std;
bool shouldRun = true;
void sig_handler(int signo)
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
if (signo == SIGINT)
shouldRun = false;
}
int main(int argc, char **argv)
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
signal(SIGINT, sig_handler);
//! [Interesting]
string defaultDev = "/dev/ttyUSB0";
if (argc > 1)
@ -66,8 +67,7 @@ int main(int argc, char **argv)
// sensor.setDebug(true);
// get version
if (sensor.command("sys get ver"))
{
if (sensor.command("sys get ver")) {
cout << "Failed to retrieve device version string" << endl;
return 1;
}
@ -90,19 +90,14 @@ int main(int argc, char **argv)
// frequently.
int count = 0;
while (shouldRun)
{
ostringstream output;
while (shouldRun) {
std::ostringstream output;
output << "Ping " << count++;
// All payloads must be hex encoded
string payload = sensor.toHex(output.str());
cout << "Transmitting a packet, data: '"
<< output.str()
<< "' -> hex: '"
<< payload
<< "'"
cout << "Transmitting a packet, data: '" << output.str() << "' -> hex: '" << payload << "'"
<< endl;
RN2903_RESPONSE_T rv;
@ -119,7 +114,7 @@ int main(int argc, char **argv)
cout << "Exiting" << endl;
//! [Interesting]
//! [Interesting]
return 0;
}