diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/drivers/gps/gps.cpp | 1 | ||||
-rw-r--r-- | src/drivers/gps/ubx.cpp | 125 | ||||
-rw-r--r-- | src/drivers/gps/ubx.h | 21 | ||||
-rw-r--r-- | src/modules/ekf_att_pos_estimator/estimator_23states.cpp | 12 | ||||
-rw-r--r-- | src/modules/mavlink/mavlink_receiver.cpp | 1 | ||||
-rw-r--r-- | src/modules/px4iofirmware/controls.c | 4 | ||||
-rw-r--r-- | src/modules/systemlib/err.c | 2 | ||||
-rw-r--r-- | src/modules/uORB/topics/vehicle_gps_position.h | 1 |
8 files changed, 131 insertions, 36 deletions
diff --git a/src/drivers/gps/gps.cpp b/src/drivers/gps/gps.cpp index 241e3bdf3..401b65dd4 100644 --- a/src/drivers/gps/gps.cpp +++ b/src/drivers/gps/gps.cpp @@ -299,7 +299,6 @@ GPS::task_main() _report_gps_pos.alt = (int32_t)1200e3f; _report_gps_pos.timestamp_variance = hrt_absolute_time(); _report_gps_pos.s_variance_m_s = 10.0f; - _report_gps_pos.p_variance_m = 10.0f; _report_gps_pos.c_variance_rad = 0.1f; _report_gps_pos.fix_type = 3; _report_gps_pos.eph = 0.9f; diff --git a/src/drivers/gps/ubx.cpp b/src/drivers/gps/ubx.cpp index 44434a1df..d0854f5e9 100644 --- a/src/drivers/gps/ubx.cpp +++ b/src/drivers/gps/ubx.cpp @@ -95,7 +95,8 @@ UBX::UBX(const int &fd, struct vehicle_gps_position_s *gps_position, struct sate _got_velned(false), _disable_cmd_last(0), _ack_waiting_msg(0), - _ubx_version(0) + _ubx_version(0), + _use_nav_pvt(false) { decode_init(); } @@ -190,38 +191,45 @@ UBX::configure(unsigned &baudrate) /* configure message rates */ /* the last argument is divisor for measurement rate (set by CFG RATE), i.e. 1 means 5Hz */ - configure_message_rate(UBX_MSG_NAV_POSLLH, 1); + /* try to set rate for NAV-PVT */ + /* (implemented for ubx7+ modules only, use NAV-SOL, NAV-POSLLH, NAV-VELNED and NAV-TIMEUTC for ubx6) */ + configure_message_rate(UBX_MSG_NAV_PVT, 1); if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { - return 1; - } - - configure_message_rate(UBX_MSG_NAV_TIMEUTC, 5); - - if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { - return 1; + _use_nav_pvt = false; + } else { + _use_nav_pvt = true; } + UBX_WARN("%susing NAV-PVT", _use_nav_pvt ? "" : "not "); - configure_message_rate(UBX_MSG_NAV_SOL, 1); + if (!_use_nav_pvt) { + configure_message_rate(UBX_MSG_NAV_TIMEUTC, 5); + if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { + return 1; + } - if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { - return 1; - } + configure_message_rate(UBX_MSG_NAV_POSLLH, 1); + if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { + return 1; + } - configure_message_rate(UBX_MSG_NAV_VELNED, 1); + configure_message_rate(UBX_MSG_NAV_SOL, 1); + if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { + return 1; + } - if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { - return 1; + configure_message_rate(UBX_MSG_NAV_VELNED, 1); + if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { + return 1; + } } configure_message_rate(UBX_MSG_NAV_SVINFO, (_satellite_info != nullptr) ? 5 : 0); - if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { return 1; } configure_message_rate(UBX_MSG_MON_HW, 1); - if (wait_for_ack(UBX_MSG_CFG_MSG, UBX_CONFIG_TIMEOUT, true) < 0) { return 1; } @@ -454,11 +462,23 @@ UBX::payload_rx_init() _rx_state = UBX_RXMSG_HANDLE; // handle by default switch (_rx_msg) { + case UBX_MSG_NAV_PVT: + if ( (_rx_payload_length != UBX_PAYLOAD_RX_NAV_PVT_SIZE_UBX7) /* u-blox 7 msg format */ + && (_rx_payload_length != UBX_PAYLOAD_RX_NAV_PVT_SIZE_UBX8)) /* u-blox 8+ msg format */ + _rx_state = UBX_RXMSG_ERROR_LENGTH; + else if (!_configured) + _rx_state = UBX_RXMSG_IGNORE; // ignore if not _configured + else if (!_use_nav_pvt) + _rx_state = UBX_RXMSG_DISABLE; // disable if not using NAV-PVT + break; + case UBX_MSG_NAV_POSLLH: if (_rx_payload_length != sizeof(ubx_payload_rx_nav_posllh_t)) _rx_state = UBX_RXMSG_ERROR_LENGTH; else if (!_configured) _rx_state = UBX_RXMSG_IGNORE; // ignore if not _configured + else if (_use_nav_pvt) + _rx_state = UBX_RXMSG_DISABLE; // disable if using NAV-PVT instead break; case UBX_MSG_NAV_SOL: @@ -466,6 +486,8 @@ UBX::payload_rx_init() _rx_state = UBX_RXMSG_ERROR_LENGTH; else if (!_configured) _rx_state = UBX_RXMSG_IGNORE; // ignore if not _configured + else if (_use_nav_pvt) + _rx_state = UBX_RXMSG_DISABLE; // disable if using NAV-PVT instead break; case UBX_MSG_NAV_TIMEUTC: @@ -473,6 +495,8 @@ UBX::payload_rx_init() _rx_state = UBX_RXMSG_ERROR_LENGTH; else if (!_configured) _rx_state = UBX_RXMSG_IGNORE; // ignore if not _configured + else if (_use_nav_pvt) + _rx_state = UBX_RXMSG_DISABLE; // disable if using NAV-PVT instead break; case UBX_MSG_NAV_SVINFO: @@ -489,6 +513,8 @@ UBX::payload_rx_init() _rx_state = UBX_RXMSG_ERROR_LENGTH; else if (!_configured) _rx_state = UBX_RXMSG_IGNORE; // ignore if not _configured + else if (_use_nav_pvt) + _rx_state = UBX_RXMSG_DISABLE; // disable if using NAV-PVT instead break; case UBX_MSG_MON_VER: @@ -675,6 +701,68 @@ UBX::payload_rx_done(void) // handle message switch (_rx_msg) { + case UBX_MSG_NAV_PVT: + UBX_TRACE_RXMSG("Rx NAV-PVT\n"); + + _gps_position->fix_type = _buf.payload_rx_nav_pvt.fixType; + _gps_position->satellites_used = _buf.payload_rx_nav_pvt.numSV; + + _gps_position->lat = _buf.payload_rx_nav_pvt.lat; + _gps_position->lon = _buf.payload_rx_nav_pvt.lon; + _gps_position->alt = _buf.payload_rx_nav_pvt.hMSL; + + _gps_position->eph = (float)_buf.payload_rx_nav_pvt.hAcc * 1e-3f; + _gps_position->epv = (float)_buf.payload_rx_nav_pvt.vAcc * 1e-3f; + _gps_position->s_variance_m_s = (float)_buf.payload_rx_nav_pvt.sAcc * 1e-3f; + + _gps_position->vel_m_s = (float)_buf.payload_rx_nav_pvt.gSpeed * 1e-3f; + + _gps_position->vel_n_m_s = (float)_buf.payload_rx_nav_pvt.velN * 1e-3f; + _gps_position->vel_e_m_s = (float)_buf.payload_rx_nav_pvt.velE * 1e-3f; + _gps_position->vel_d_m_s = (float)_buf.payload_rx_nav_pvt.velD * 1e-3f; + _gps_position->vel_ned_valid = true; + + _gps_position->cog_rad = (float)_buf.payload_rx_nav_pvt.headMot * M_DEG_TO_RAD_F * 1e-5f; + _gps_position->c_variance_rad = (float)_buf.payload_rx_nav_pvt.headAcc * M_DEG_TO_RAD_F * 1e-5f; + + { + /* convert to unix timestamp */ + struct tm timeinfo; + timeinfo.tm_year = _buf.payload_rx_nav_pvt.year - 1900; + timeinfo.tm_mon = _buf.payload_rx_nav_pvt.month - 1; + timeinfo.tm_mday = _buf.payload_rx_nav_pvt.day; + timeinfo.tm_hour = _buf.payload_rx_nav_pvt.hour; + timeinfo.tm_min = _buf.payload_rx_nav_pvt.min; + timeinfo.tm_sec = _buf.payload_rx_nav_pvt.sec; + time_t epoch = mktime(&timeinfo); + +#ifndef CONFIG_RTC + //Since we lack a hardware RTC, set the system time clock based on GPS UTC + //TODO generalize this by moving into gps.cpp? + timespec ts; + ts.tv_sec = epoch; + ts.tv_nsec = _buf.payload_rx_nav_pvt.nano; + clock_settime(CLOCK_REALTIME, &ts); +#endif + + _gps_position->time_gps_usec = (uint64_t)epoch * 1000000; //TODO: test this + _gps_position->time_gps_usec += (uint64_t)(_buf.payload_rx_nav_pvt.nano * 1e-3f); + } + + _gps_position->timestamp_time = hrt_absolute_time(); + _gps_position->timestamp_velocity = hrt_absolute_time(); + _gps_position->timestamp_variance = hrt_absolute_time(); + _gps_position->timestamp_position = hrt_absolute_time(); + + _rate_count_vel++; + _rate_count_lat_lon++; + + _got_posllh = true; + _got_velned = true; + + ret = 1; + break; + case UBX_MSG_NAV_POSLLH: UBX_TRACE_RXMSG("Rx NAV-POSLLH\n"); @@ -697,7 +785,6 @@ UBX::payload_rx_done(void) _gps_position->fix_type = _buf.payload_rx_nav_sol.gpsFix; _gps_position->s_variance_m_s = (float)_buf.payload_rx_nav_sol.sAcc * 1e-2f; // from cm to m - _gps_position->p_variance_m = (float)_buf.payload_rx_nav_sol.pAcc * 1e-2f; // from cm to m _gps_position->satellites_used = _buf.payload_rx_nav_sol.numSV; _gps_position->timestamp_variance = hrt_absolute_time(); diff --git a/src/drivers/gps/ubx.h b/src/drivers/gps/ubx.h index 1a9e7cb0c..219a5762a 100644 --- a/src/drivers/gps/ubx.h +++ b/src/drivers/gps/ubx.h @@ -104,6 +104,13 @@ #define UBX_RX_NAV_PVT_FLAGS_PSMSTATE 0x1C /**< psmState (Power Save Mode state (see Power Management)) */ #define UBX_RX_NAV_PVT_FLAGS_HEADVEHVALID 0x20 /**< headVehValid (Heading of vehicle is valid) */ +/* RX NAV-TIMEUTC message content details */ +/* Bitfield "valid" masks */ +#define UBX_RX_NAV_TIMEUTC_VALID_VALIDTOW 0x01 /**< validTOW (1 = Valid Time of Week) */ +#define UBX_RX_NAV_TIMEUTC_VALID_VALIDKWN 0x02 /**< validWKN (1 = Valid Week Number) */ +#define UBX_RX_NAV_TIMEUTC_VALID_VALIDUTC 0x04 /**< validUTC (1 = Valid UTC Time) */ +#define UBX_RX_NAV_TIMEUTC_VALID_UTCSTANDARD 0xF0 /**< utcStandard (0..15 = UTC standard identifier) */ + /* TX CFG-PRT message contents */ #define UBX_TX_CFG_PRT_PORTID 0x01 /**< UART1 */ #define UBX_TX_CFG_PRT_MODE 0x000008D0 /**< 0b0000100011010000: 8N1 */ @@ -176,7 +183,7 @@ typedef struct { uint32_t reserved2; } ubx_payload_rx_nav_sol_t; -/* Rx NAV-PVT */ +/* Rx NAV-PVT (ubx8) */ typedef struct { uint32_t iTOW; /**< GPS Time of Week [ms] */ uint16_t year; /**< Year (UTC)*/ @@ -185,7 +192,7 @@ typedef struct { uint8_t hour; /**< Hour of day, range 0..23 (UTC) */ uint8_t min; /**< Minute of hour, range 0..59 (UTC) */ uint8_t sec; /**< Seconds of minute, range 0..60 (UTC) */ - uint8_t valid; /**< Validity flags (see UBX_RX_NAV_PVT_VALID_...) */ + uint8_t valid; /**< Validity flags (see UBX_RX_NAV_PVT_VALID_...) */ uint32_t tAcc; /**< Time accuracy estimate (UTC) [ns] */ int32_t nano; /**< Fraction of second (UTC) [-1e9...1e9 ns] */ uint8_t fixType; /**< GNSSfix type: 0 = No fix, 1 = Dead Reckoning only, 2 = 2D fix, 3 = 3d-fix, 4 = GNSS + dead reckoning, 5 = time only fix */ @@ -208,9 +215,11 @@ typedef struct { uint16_t pDOP; /**< Position DOP [0.01] */ uint16_t reserved2; uint32_t reserved3; - int32_t headVeh; /**< Heading of vehicle (2-D) [1e-5 deg] */ - uint32_t reserved4; + int32_t headVeh; /**< (ubx8+ only) Heading of vehicle (2-D) [1e-5 deg] */ + uint32_t reserved4; /**< (ubx8+ only) */ } ubx_payload_rx_nav_pvt_t; +#define UBX_PAYLOAD_RX_NAV_PVT_SIZE_UBX7 (sizeof(ubx_payload_rx_nav_pvt_t) - 8) +#define UBX_PAYLOAD_RX_NAV_PVT_SIZE_UBX8 (sizeof(ubx_payload_rx_nav_pvt_t)) /* Rx NAV-TIMEUTC */ typedef struct { @@ -223,7 +232,7 @@ typedef struct { uint8_t hour; /**< Hour of day, range 0..23 (UTC) */ uint8_t min; /**< Minute of hour, range 0..59 (UTC) */ uint8_t sec; /**< Seconds of minute, range 0..60 (UTC) */ - uint8_t valid; /**< Validity Flags (see ubx documentation) */ + uint8_t valid; /**< Validity Flags (see UBX_RX_NAV_TIMEUTC_VALID_...) */ } ubx_payload_rx_nav_timeutc_t; /* Rx NAV-SVINFO Part 1 */ @@ -388,6 +397,7 @@ typedef struct { /* General message and payload buffer union */ typedef union { + ubx_payload_rx_nav_pvt_t payload_rx_nav_pvt; ubx_payload_rx_nav_posllh_t payload_rx_nav_posllh; ubx_payload_rx_nav_sol_t payload_rx_nav_sol; ubx_payload_rx_nav_timeutc_t payload_rx_nav_timeutc; @@ -526,6 +536,7 @@ private: uint16_t _ack_waiting_msg; ubx_buf_t _buf; uint32_t _ubx_version; + bool _use_nav_pvt; }; #endif /* UBX_H_ */ diff --git a/src/modules/ekf_att_pos_estimator/estimator_23states.cpp b/src/modules/ekf_att_pos_estimator/estimator_23states.cpp index 9622f7e40..deaaf55fe 100644 --- a/src/modules/ekf_att_pos_estimator/estimator_23states.cpp +++ b/src/modules/ekf_att_pos_estimator/estimator_23states.cpp @@ -2503,12 +2503,12 @@ void AttPosEKF::InitializeDynamic(float (&initvelNED)[3], float declination) // Calculate initial Tbn matrix and rotate Mag measurements into NED // to set initial NED magnetic field states - Mat3f DCM; - quat2Tbn(DCM, initQuat); + quat2Tbn(Tbn, initQuat); + Tnb = Tbn.transpose(); Vector3f initMagNED; - initMagNED.x = DCM.x.x*initMagXYZ.x + DCM.x.y*initMagXYZ.y + DCM.x.z*initMagXYZ.z; - initMagNED.y = DCM.y.x*initMagXYZ.x + DCM.y.y*initMagXYZ.y + DCM.y.z*initMagXYZ.z; - initMagNED.z = DCM.z.x*initMagXYZ.x + DCM.z.y*initMagXYZ.y + DCM.z.z*initMagXYZ.z; + initMagNED.x = Tbn.x.x*initMagXYZ.x + Tbn.x.y*initMagXYZ.y + Tbn.x.z*initMagXYZ.z; + initMagNED.y = Tbn.y.x*initMagXYZ.x + Tbn.y.y*initMagXYZ.y + Tbn.y.z*initMagXYZ.z; + initMagNED.z = Tbn.z.x*initMagXYZ.x + Tbn.z.y*initMagXYZ.y + Tbn.z.z*initMagXYZ.z; magstate.q0 = initQuat[0]; magstate.q1 = initQuat[1]; @@ -2521,7 +2521,7 @@ void AttPosEKF::InitializeDynamic(float (&initvelNED)[3], float declination) magstate.magYbias = magBias.y; magstate.magZbias = magBias.z; magstate.R_MAG = sq(magMeasurementSigma); - magstate.DCM = DCM; + magstate.DCM = Tbn; // write to state vector for (uint8_t j=0; j<=3; j++) states[j] = initQuat[j]; // quaternions diff --git a/src/modules/mavlink/mavlink_receiver.cpp b/src/modules/mavlink/mavlink_receiver.cpp index 53a1638a3..6d361052c 100644 --- a/src/modules/mavlink/mavlink_receiver.cpp +++ b/src/modules/mavlink/mavlink_receiver.cpp @@ -741,7 +741,6 @@ MavlinkReceiver::handle_message_hil_gps(mavlink_message_t *msg) hil_gps.timestamp_variance = timestamp; hil_gps.s_variance_m_s = 5.0f; - hil_gps.p_variance_m = hil_gps.eph * hil_gps.eph; hil_gps.timestamp_velocity = timestamp; hil_gps.vel_m_s = (float)gps.vel * 1e-2f; // from cm/s to m/s diff --git a/src/modules/px4iofirmware/controls.c b/src/modules/px4iofirmware/controls.c index 62e6b12cb..185cb20dd 100644 --- a/src/modules/px4iofirmware/controls.c +++ b/src/modules/px4iofirmware/controls.c @@ -47,8 +47,8 @@ #include "px4io.h" #define RC_FAILSAFE_TIMEOUT 2000000 /**< two seconds failsafe timeout */ -#define RC_CHANNEL_HIGH_THRESH 5000 -#define RC_CHANNEL_LOW_THRESH -5000 +#define RC_CHANNEL_HIGH_THRESH 5000 /* 75% threshold */ +#define RC_CHANNEL_LOW_THRESH -8000 /* 10% threshold */ static bool ppm_input(uint16_t *values, uint16_t *num_values, uint16_t *frame_len); diff --git a/src/modules/systemlib/err.c b/src/modules/systemlib/err.c index 6c0e876d1..998b5ac7d 100644 --- a/src/modules/systemlib/err.c +++ b/src/modules/systemlib/err.c @@ -86,7 +86,7 @@ warnerr_core(int errcode, const char *fmt, va_list args) fprintf(stderr, "\n"); #elif CONFIG_ARCH_LOWPUTC lowsyslog("%s: ", getprogname()); - lowvyslog(fmt, args); + lowvsyslog(fmt, args); /* convenience as many parts of NuttX use negative errno */ if (errcode < 0) diff --git a/src/modules/uORB/topics/vehicle_gps_position.h b/src/modules/uORB/topics/vehicle_gps_position.h index dbd59f4f3..80d65cd69 100644 --- a/src/modules/uORB/topics/vehicle_gps_position.h +++ b/src/modules/uORB/topics/vehicle_gps_position.h @@ -61,7 +61,6 @@ struct vehicle_gps_position_s { uint64_t timestamp_variance; float s_variance_m_s; /**< speed accuracy estimate m/s */ - float p_variance_m; /**< position accuracy estimate m */ float c_variance_rad; /**< course accuracy estimate rad */ uint8_t fix_type; /**< 0-1: no fix, 2: 2D fix, 3: 3D fix. Some applications will not use the value of this field unless it is at least two, so always correctly fill in the fix. */ |