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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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39
examples/c++/adis16448.cxx
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@ -12,9 +12,12 @@
// This example code runs on an Intel Edison and uses mraa to acquire data
// from an ADIS16448. This data is then scaled and printed onto the terminal.
//
// This software has been tested to connect to an ADIS16448 through a level shifter
// such as the TI TXB0104. The SPI lines (DIN, DOUT, SCLK, /CS) are all wired through
// the level shifter and the ADIS16448 is also being powered by the Intel Edison.
// This software has been tested to connect to an ADIS16448 through a level
// shifter
// such as the TI TXB0104. The SPI lines (DIN, DOUT, SCLK, /CS) are all wired
// through
// the level shifter and the ADIS16448 is also being powered by the Intel
// Edison.
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
@ -36,31 +39,29 @@
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//////////////////////////////////////////////////////////////////////////////////////
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include "adis16448.hpp"
#include "upm_utilities.h"
int
main(int argc, char **argv)
main(int argc, char** argv)
{
while(true)
{
//! [Interesting]
upm::ADIS16448* imu = new upm::ADIS16448(0,3); //upm::ADIS16448(SPI,RST)
while (true) {
//! [Interesting]
upm::ADIS16448 imu(0, 3); // upm::ADIS16448(SPI,RST)
//Read the specified register, scale it, and display it on the screen
std::cout << "XGYRO_OUT:" << imu->gyroScale(imu->regRead(XGYRO_OUT)) << std::endl;
std::cout << "YGYRO_OUT:" << imu->gyroScale(imu->regRead(YGYRO_OUT)) << std::endl;
std::cout << "ZGYRO_OUT:" << imu->gyroScale(imu->regRead(ZGYRO_OUT)) << std::endl;
// Read the specified register, scale it, and display it on the screen
std::cout << "XGYRO_OUT:" << imu.gyroScale(imu.regRead(XGYRO_OUT)) << std::endl;
std::cout << "YGYRO_OUT:" << imu.gyroScale(imu.regRead(YGYRO_OUT)) << std::endl;
std::cout << "ZGYRO_OUT:" << imu.gyroScale(imu.regRead(ZGYRO_OUT)) << std::endl;
std::cout << " " << std::endl;
std::cout << "XACCL_OUT:" << imu->accelScale(imu->regRead(XACCL_OUT)) << std::endl;
std::cout << "YACCL_OUT:" << imu->accelScale(imu->regRead(YACCL_OUT)) << std::endl;
std::cout << "ZACCL_OUT:" << imu->accelScale(imu->regRead(ZACCL_OUT)) << std::endl;
std::cout << "XACCL_OUT:" << imu.accelScale(imu.regRead(XACCL_OUT)) << std::endl;
std::cout << "YACCL_OUT:" << imu.accelScale(imu.regRead(YACCL_OUT)) << std::endl;
std::cout << "ZACCL_OUT:" << imu.accelScale(imu.regRead(ZACCL_OUT)) << std::endl;
std::cout << " " << std::endl;
//! [Interesting]
sleep(1);
//! [Interesting]
upm_delay(1);
}
return (0);
}