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examples: Remove heap allocation from C++ examples
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:

committed by
Mihai Tudor Panu

parent
bd6e4ec786
commit
5cefe7f5f3
@ -22,56 +22,54 @@
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <unistd.h>
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#include <iostream>
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#include <signal.h>
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#include "cjq4435.hpp"
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#include "upm_utilities.h"
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using namespace std;
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int shouldRun = true;
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void sig_handler(int signo)
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void
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sig_handler(int signo)
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{
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if (signo == SIGINT)
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shouldRun = false;
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}
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int main ()
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int
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main()
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{
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signal(SIGINT, sig_handler);
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//! [Interesting]
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//! [Interesting]
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// Instantiate a CJQ4435 MOSFET on a PWM capable digital pin D3
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upm::CJQ4435* mosfet = new upm::CJQ4435(3);
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upm::CJQ4435 mosfet(3);
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mosfet->setPeriodMS(10);
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mosfet->enable(true);
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mosfet.setPeriodMS(10);
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mosfet.enable(true);
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while (shouldRun)
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{
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while (shouldRun) {
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// start with a duty cycle of 0.0 (off) and increment to 1.0 (on)
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for (float i=0.0; i <= 1.0; i+=0.1)
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{
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mosfet->setDutyCycle(i);
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usleep(100000);
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for (float i = 0.0; i <= 1.0; i += 0.1) {
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mosfet.setDutyCycle(i);
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upm_delay_us(100000);
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}
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sleep(1);
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upm_delay(1);
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// Now take it back down
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// start with a duty cycle of 1.0 (on) and decrement to 0.0 (off)
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for (float i=1.0; i >= 0.0; i-=0.1)
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{
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mosfet->setDutyCycle(i);
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usleep(100000);
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for (float i = 1.0; i >= 0.0; i -= 0.1) {
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mosfet.setDutyCycle(i);
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upm_delay_us(100000);
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}
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sleep(1);
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upm_delay(1);
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}
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//! [Interesting]
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//! [Interesting]
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cout << "Exiting..." << endl;
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delete mosfet;
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return 0;
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}
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