upm/examples/c++/ims.cxx
Noel Eck da18bac925 ims: Updated IMS sensor addressing
The IMS library will now change its I2C address after resetting the HW to a new
address.  It will attempt to close the mraa context and re-init each
time.

Signed-off-by: Noel Eck <noel.eck@intel.com>
2017-05-31 14:39:07 -07:00

76 lines
2.3 KiB
C++

/*
* Author: Noel Eck <noel.eck@intel.com>
* Copyright (c) 2016 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include <unistd.h>
#include <iostream>
#include <signal.h>
#include "ims.hpp"
using namespace upm;
int shouldRun = true;
void sig_handler(int signo)
{
if (signo == SIGINT)
shouldRun = false;
}
int main(int argc, char **argv)
{
signal(SIGINT, sig_handler);
//! [Interesting]
// Instantiate a IMS instance using i2c bus 0 and default address
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;
// 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;
sensor.reset_i2c_address(i2c_addr_cur++);
sleep(1);
}
//! [Interesting]
std::cout << "Exiting..." << std::endl;
return 0;
}