openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <unistd.h>
#include <sched.h>
#include <sys/time.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/time.h>
#include <assert.h>
#include <math.h>
#include <ctime>
#include <chrono>
#include <map>
#include <vector>
#include "messaging.hpp"
#include <capnp/serialize.h>
#include "cereal/gen/cpp/log.capnp.h"
#include "common/params.h"
#include "common/swaglog.h"
#include "common/timing.h"
#include "ublox_msg.h"
volatile sig_atomic_t do_exit = 0; // Flag for process exit on signal
void set_do_exit(int sig) {
do_exit = 1;
}
using namespace ublox;
int ubloxd_main(poll_ubloxraw_msg_func poll_func, send_gps_event_func send_func) {
LOGW("starting ubloxd");
signal(SIGINT, (sighandler_t) set_do_exit);
signal(SIGTERM, (sighandler_t) set_do_exit);
UbloxMsgParser parser;
Context * c = Context::create();
PubSocket * gpsLocationExternal = PubSocket::create(c, "gpsLocationExternal");
PubSocket * ubloxGnss = PubSocket::create(c, "ubloxGnss");
SubSocket * ubloxRaw = SubSocket::create(c, "ubloxRaw");
assert(gpsLocationExternal != NULL);
assert(ubloxGnss != NULL);
assert(ubloxRaw != NULL);
Poller * poller = Poller::create({ubloxRaw});
while (!do_exit) {
Message * msg = poll_func(poller);
if (msg == NULL) continue;
auto amsg = kj::heapArray<capnp::word>((msg->getSize() / sizeof(capnp::word)) + 1);
memcpy(amsg.begin(), msg->getData(), msg->getSize());
capnp::FlatArrayMessageReader cmsg(amsg);
cereal::Event::Reader event = cmsg.getRoot<cereal::Event>();
const uint8_t *data = event.getUbloxRaw().begin();
size_t len = event.getUbloxRaw().size();
size_t bytes_consumed = 0;
while(bytes_consumed < len && !do_exit) {
size_t bytes_consumed_this_time = 0U;
if(parser.add_data(data + bytes_consumed, (uint32_t)(len - bytes_consumed), bytes_consumed_this_time)) {
// New message available
if(parser.msg_class() == CLASS_NAV) {
if(parser.msg_id() == MSG_NAV_PVT) {
//LOGD("MSG_NAV_PVT");
auto words = parser.gen_solution();
if(words.size() > 0) {
auto bytes = words.asBytes();
send_func(gpsLocationExternal, bytes.begin(), bytes.size());
}
} else
LOGW("Unknown nav msg id: 0x%02X", parser.msg_id());
} else if(parser.msg_class() == CLASS_RXM) {
if(parser.msg_id() == MSG_RXM_RAW) {
//LOGD("MSG_RXM_RAW");
auto words = parser.gen_raw();
if(words.size() > 0) {
auto bytes = words.asBytes();
send_func(ubloxGnss, bytes.begin(), bytes.size());
}
} else if(parser.msg_id() == MSG_RXM_SFRBX) {
//LOGD("MSG_RXM_SFRBX");
auto words = parser.gen_nav_data();
if(words.size() > 0) {
auto bytes = words.asBytes();
send_func(ubloxGnss, bytes.begin(), bytes.size());
}
} else
LOGW("Unknown rxm msg id: 0x%02X", parser.msg_id());
} else
LOGW("Unknown msg class: 0x%02X", parser.msg_class());
parser.reset();
}
bytes_consumed += bytes_consumed_this_time;
}
delete msg;
}
delete poller;
delete ubloxRaw;
delete ubloxGnss;
delete gpsLocationExternal;
delete c;
return 0;
}