PX4-Autopilot/src/modules/uORB/uORBMain.cpp
2017-01-16 08:25:58 -08:00

122 lines
3.5 KiB
C++

/****************************************************************************
*
* Copyright (c) 2012-2015 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
#include <string.h>
#include "uORBDevices.hpp"
#include "uORBManager.hpp"
#include "uORB.h"
#include "uORBCommon.hpp"
#include <px4_log.h>
extern "C" { __EXPORT int uorb_main(int argc, char *argv[]); }
static uORB::DeviceMaster *g_dev = nullptr;
static void usage()
{
PX4_INFO("Usage: uorb 'start', 'status', 'top [-a] [<filter1> [<filter2> ...]]'");
PX4_INFO(" -a: print all instead of only currently publishing topics");
PX4_INFO(" <filter>: topic(s) to match (implies -a)");
}
int
uorb_main(int argc, char *argv[])
{
if (argc < 2) {
usage();
return -EINVAL;
}
/*
* Start/load the driver.
*
* XXX it would be nice to have a wrapper for this...
*/
if (!strcmp(argv[1], "start")) {
if (g_dev != nullptr) {
PX4_WARN("already loaded");
/* user wanted to start uorb, its already running, no error */
return 0;
}
if (!uORB::Manager::initialize()) {
PX4_ERR("uorb manager alloc failed");
return -ENOMEM;
}
/* create the driver */
g_dev = uORB::Manager::get_instance()->get_device_master(uORB::PUBSUB);
if (g_dev == nullptr) {
return -errno;
}
#if !defined(__PX4_QURT) && !defined(__PX4_POSIX_EAGLE) && !defined(__PX4_POSIX_EXCELSIOR)
/* FIXME: this fails on Snapdragon (see https://github.com/PX4/Firmware/issues/5406),
* so we disable logging messages to the ulog for now. This needs further investigations.
*/
px4_log_initialize();
#endif
return OK;
}
/*
* Print driver information.
*/
if (!strcmp(argv[1], "status")) {
if (g_dev != nullptr) {
g_dev->printStatistics(true);
} else {
PX4_INFO("uorb is not running");
}
return OK;
}
if (!strcmp(argv[1], "top")) {
if (g_dev != nullptr) {
g_dev->showTop(argv + 2, argc - 2);
} else {
PX4_INFO("uorb is not running");
}
return OK;
}
usage();
return -EINVAL;
}