diff options
Diffstat (limited to 'src/drivers/gps/ubx.cpp')
| -rw-r--r-- | src/drivers/gps/ubx.cpp | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/src/drivers/gps/ubx.cpp b/src/drivers/gps/ubx.cpp index 7502809bd..404607571 100644 --- a/src/drivers/gps/ubx.cpp +++ b/src/drivers/gps/ubx.cpp @@ -69,6 +69,9 @@ UBX::UBX(const int &fd, struct vehicle_gps_position_s *gps_position) : _gps_position(gps_position), _configured(false), _waiting_for_ack(false), + _got_posllh(false), + _got_velned(false), + _got_timeutc(false), _disable_cmd_last(0) { decode_init(); @@ -275,9 +278,10 @@ UBX::receive(unsigned timeout) bool handled = false; while (true) { + bool ready_to_return = _configured ? (_got_posllh && _got_velned && _got_timeutc) : handled; /* poll for new data, wait for only UBX_PACKET_TIMEOUT (2ms) if something already received */ - int ret = poll(fds, sizeof(fds) / sizeof(fds[0]), handled ? UBX_PACKET_TIMEOUT : timeout); + int ret = poll(fds, sizeof(fds) / sizeof(fds[0]), ready_to_return ? UBX_PACKET_TIMEOUT : timeout); if (ret < 0) { /* something went wrong when polling */ @@ -286,7 +290,10 @@ UBX::receive(unsigned timeout) } else if (ret == 0) { /* return success after short delay after receiving a packet or timeout after long delay */ - if (handled) { + if (ready_to_return) { + _got_posllh = false; + _got_velned = false; + _got_timeutc = false; return 1; } else { @@ -432,12 +439,13 @@ UBX::handle_message() _gps_position->lat = packet->lat; _gps_position->lon = packet->lon; _gps_position->alt = packet->height_msl; - _gps_position->eph_m = (float)packet->hAcc * 1e-3f; // from mm to m - _gps_position->epv_m = (float)packet->vAcc * 1e-3f; // from mm to m + _gps_position->eph = (float)packet->hAcc * 1e-3f; // from mm to m + _gps_position->epv = (float)packet->vAcc * 1e-3f; // from mm to m _gps_position->timestamp_position = hrt_absolute_time(); _rate_count_lat_lon++; + _got_posllh = true; ret = 1; break; } @@ -482,6 +490,7 @@ UBX::handle_message() _gps_position->time_gps_usec += (uint64_t)(packet->time_nanoseconds * 1e-3f); _gps_position->timestamp_time = hrt_absolute_time(); + _got_timeutc = true; ret = 1; break; } @@ -557,6 +566,7 @@ UBX::handle_message() _rate_count_vel++; + _got_velned = true; ret = 1; break; } |