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//
// Copyright 2017 Ettus Research (National Instruments)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <libudev.h>
#include <string>
#include <vector>
namespace mpm {
/*!
* The udev_helper class:
*
* talks to libudev and holds a udev context. Device enumeration is done
* once during initialization.
* On destruction the udev context is unreferenced again.
*/
class udev_helper{
public:
udev_helper();
~udev_helper();
/*!
* Return the nvmem device associated with the parent address
* \param address of the parent platform driver
* \return a string containing the name of file of the device in /sys
*/
std::string get_eeprom(const std::string &address);
/*!
* Find spidevices associated with the spi_master
* \param address of the parent platform driver
* \return a vector of string containing the device paths is /dev
*/
std::vector<std::string> get_spidev_nodes(const std::string &spi_master);
private:
udev *_udev;
udev_enumerate *_enumerate;
};
}
#ifdef LIBMPM_PYTHON
void export_udev_helper(){
LIBMPM_BOOST_PREAMBLE("udev")
bp::class_<mpm::udev_helper>("udev_helper", bp::init<>())
.def("get_eeprom", &mpm::udev_helper::get_eeprom)
.def("get_spidev_nodes", &mpm::udev_helper::get_spidev_nodes)
;
}
#endif
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