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 "selfdrive/locationd/locationd.h"
extern "C" {
typedef Localizer* Localizer_t;
Localizer *localizer_init(bool has_ublox) {
return new Localizer(has_ublox ? LocalizerGnssSource::UBLOX : LocalizerGnssSource::QCOM);
}
void localizer_get_message_bytes(Localizer *localizer, bool inputsOK, bool sensorsOK, bool gpsOK, bool msgValid,
char *buff, size_t buff_size) {
MessageBuilder msg_builder;
kj::ArrayPtr<char> arr = localizer->get_message_bytes(msg_builder, inputsOK, sensorsOK, gpsOK, msgValid).asChars();
assert(buff_size >= arr.size());
memcpy(buff, arr.begin(), arr.size());
}
void localizer_handle_msg_bytes(Localizer *localizer, const char *data, size_t size) {
localizer->handle_msg_bytes(data, size);
}
void get_filter_internals(Localizer *localizer, double *state_buff, double *std_buff){
Eigen::VectorXd state = localizer->get_state();
memcpy(state_buff, state.data(), sizeof(double) * state.size());
Eigen::VectorXd stdev = localizer->get_stdev();
memcpy(std_buff, stdev.data(), sizeof(double) * stdev.size());
}
bool is_gps_ok(Localizer *localizer){
return localizer->is_gps_ok();
}
bool are_inputs_ok(Localizer *localizer){
return localizer->are_inputs_ok();
}
void observation_timings_invalid_reset(Localizer *localizer){
localizer->observation_timings_invalid_reset();
}
}