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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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45
examples/c++/nrf24l01-transmitter.cxx
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@ -22,17 +22,19 @@
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <string.h>
#include <unistd.h>
#include <iostream>
#include "nrf24l01.hpp"
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "nrf24l01.hpp"
#include "upm_utilities.h"
int running = 0;
upm::NRF24L01 *comm = NULL;
uint8_t destAddress[5] = {0x01, 0x01, 0x01, 0x01, 0x01};
uint8_t srcAddress[5] = {0x01, 0x01, 0x01, 0x01, 0x02};
uint8_t destAddress[5] = { 0x01, 0x01, 0x01, 0x01, 0x01 };
uint8_t srcAddress[5] = { 0x01, 0x01, 0x01, 0x01, 0x02 };
void
sig_handler(int signo)
@ -44,35 +46,36 @@ sig_handler(int signo)
}
}
void nrf_handler () {
void
nrf_handler()
{
}
int
main(int argc, char **argv)
main(int argc, char** argv)
{
//! [Interesting]
//! [Interesting]
uint32_t dummyData = 0;
comm = new upm::NRF24L01(7, 8);
comm->setSourceAddress ((uint8_t *) srcAddress);
comm->setDestinationAddress ((uint8_t *) destAddress);
comm->setPayload (MAX_BUFFER);
comm->setChannel (99);
comm->configure ();
comm->setDataReceivedHandler (nrf_handler);
upm::NRF24L01 comm(7, 8);
comm.setSourceAddress((uint8_t*) srcAddress);
comm.setDestinationAddress((uint8_t*) destAddress);
comm.setPayload(MAX_BUFFER);
comm.setChannel(99);
comm.configure();
comm.setDataReceivedHandler(nrf_handler);
signal(SIGINT, sig_handler);
while (!running) {
memcpy (comm->m_txBuffer, &dummyData, sizeof (dummyData));
comm->send ();
memcpy(comm.m_txBuffer, &dummyData, sizeof(dummyData));
comm.send();
std::cout << "devi2 :: sending data ...." << dummyData << std::endl;
usleep (3000000);
upm_delay_us(3000000);
dummyData += 3000;
}
std::cout << "exiting application" << std::endl;
delete comm;
//! [Interesting]
//! [Interesting]
return 0;
}