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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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33
examples/c++/ims.cxx
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@ -22,23 +22,26 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include "ims.hpp"
#include "ims_defs.h"
#include "upm_utilities.h"
using namespace upm;
int shouldRun = true;
void sig_handler(int signo)
void
sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main(int argc, char **argv)
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
@ -47,25 +50,17 @@ int main(int argc, char **argv)
upm::IMS sensor(0);
int i2c_addr_cur = IMS_ADDRESS_DEFAULT + 1;
while (shouldRun)
{
std::cout << std::hex << "Version: 0x"
<< sensor.get_version()
<< " light: 0x"
<< sensor.get_light()
<< " moisture: 0x"
<< sensor.get_moisture()
<< " temp: "
<< sensor.get_temperature()
<< " C"
<< std::endl;
while (shouldRun) {
std::cout << std::hex << "Version: 0x" << sensor.get_version() << " light: 0x"
<< sensor.get_light() << " moisture: 0x" << sensor.get_moisture()
<< " temp: " << sensor.get_temperature() << " C" << std::endl;
// Change the address and continue
if (i2c_addr_cur >= 128) i2c_addr_cur = 1;
std::cout << "Changing device address to 0x" << i2c_addr_cur
<< std::endl;
if (i2c_addr_cur >= 128)
i2c_addr_cur = 1;
std::cout << "Changing device address to 0x" << i2c_addr_cur << std::endl;
sensor.reset_i2c_address(i2c_addr_cur++);
sleep(1);
upm_delay(1);
}
//! [Interesting]