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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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53
examples/c++/tmp006.cxx
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@ -21,54 +21,53 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include "tmp006.hpp"
#include "upm_utilities.h"
using namespace upm;
bool run = true;
void sig_handler(int sig)
void
sig_handler(int sig)
{
if (sig == SIGINT)
run = false;
if (sig == SIGINT)
run = false;
}
int main(int argc, char **argv)
int
main(int argc, char** argv)
{
signal(SIGINT, sig_handler);
signal(SIGINT, sig_handler);
//! [Interesting]
std::cout << "Initializing test-application..." << std::endl;
//! [Interesting]
std::cout << "Initializing test-application..." << std::endl;
// please make sure that you have the right i2c address for your device
// the correct range of addresses is 0x40 - 0x47
// Instantiate an TMP006 instance on bus 1
upm::TMP006 *mySensor = new upm::TMP006(1, TMP006_CONFIG_CR_DEF, TMP006_I2C_ADDRESS);
// please make sure that you have the right i2c address for your device
// the correct range of addresses is 0x40 - 0x47
// Instantiate an TMP006 instance on bus 1
upm::TMP006 mySensor(1, TMP006_CONFIG_CR_DEF, TMP006_I2C_ADDRESS);
// you can also get basic tmp007 functionality by initializing it as follows
//upm::TMP006 *mySensor = new upm::TMP006(1, TMP006_CONFIG_CR_DEF, TMP007_I2C_ADDRESS);
// you can also get basic tmp007 functionality by initializing it as follows
// upm::TMP006 mySensor(1, TMP006_CONFIG_CR_DEF, TMP007_I2C_ADDRESS);
// activate periodic measurements
mySensor->setActive();
// activate periodic measurements
mySensor.setActive();
// update and print available values every second
while (run)
{
// Print out temperature value in *C
std::cout << "Temperature: " << mySensor->getTemperature(true) << " *C"
<< std::endl;
// update and print available values every second
while (run) {
// Print out temperature value in *C
std::cout << "Temperature: " << mySensor.getTemperature(true) << " *C" << std::endl;
sleep(1);
upm_delay(1);
}
std::cout << "Exiting test-application..." << std::endl;
std::cout << "Exiting test-application..." << std::endl;
delete mySensor;
//! [Interesting]
//! [Interesting]
return 0;
return 0;
}