diff options
Diffstat (limited to 'src/modules/sensors/sensors.cpp')
-rw-r--r-- | src/modules/sensors/sensors.cpp | 311 |
1 files changed, 221 insertions, 90 deletions
diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp index e260aae45..3307354a0 100644 --- a/src/modules/sensors/sensors.cpp +++ b/src/modules/sensors/sensors.cpp @@ -126,6 +126,12 @@ #define ADC_AIRSPEED_VOLTAGE_CHANNEL 15 #endif +#ifdef CONFIG_ARCH_BOARD_AEROCORE +#define ADC_BATTERY_VOLTAGE_CHANNEL 10 +#define ADC_BATTERY_CURRENT_CHANNEL -1 +#define ADC_AIRSPEED_VOLTAGE_CHANNEL -1 +#endif + #define BATT_V_LOWPASS 0.001f #define BATT_V_IGNORE_THRESHOLD 3.5f @@ -175,7 +181,8 @@ private: /** * Get switch position for specified function. */ - switch_pos_t get_rc_switch_position(enum RC_CHANNELS_FUNCTION func); + switch_pos_t get_rc_sw3pos_position(enum RC_CHANNELS_FUNCTION func, float on_th, bool on_inv, float mid_th, bool mid_inv); + switch_pos_t get_rc_sw2pos_position(enum RC_CHANNELS_FUNCTION func, float on_th, bool on_inv); /** * Gather and publish RC input data. @@ -219,10 +226,10 @@ private: struct differential_pressure_s _diff_pres; struct airspeed_s _airspeed; - math::Matrix<3,3> _board_rotation; /**< rotation matrix for the orientation that the board is mounted */ - math::Matrix<3,3> _external_mag_rotation; /**< rotation matrix for the orientation that an external mag is mounted */ + math::Matrix<3, 3> _board_rotation; /**< rotation matrix for the orientation that the board is mounted */ + math::Matrix<3, 3> _external_mag_rotation; /**< rotation matrix for the orientation that an external mag is mounted */ bool _mag_is_external; /**< true if the active mag is on an external board */ - + uint64_t _battery_discharged; /**< battery discharged current in mA*ms */ hrt_abstime _battery_current_timestamp; /**< timestamp of last battery current reading */ @@ -245,18 +252,20 @@ private: int board_rotation; int external_mag_rotation; + + float board_offset[3]; int rc_map_roll; int rc_map_pitch; int rc_map_yaw; int rc_map_throttle; + int rc_map_failsafe; int rc_map_mode_sw; int rc_map_return_sw; - int rc_map_assisted_sw; + int rc_map_posctl_sw; int rc_map_loiter_sw; - -// int rc_map_offboard_ctrl_mode_sw; + int rc_map_acro_sw; int rc_map_flaps; @@ -266,7 +275,19 @@ private: int rc_map_aux4; int rc_map_aux5; - int32_t rc_fs_thr; + int32_t rc_fails_thr; + float rc_assist_th; + float rc_auto_th; + float rc_posctl_th; + float rc_return_th; + float rc_loiter_th; + float rc_acro_th; + bool rc_assist_inv; + bool rc_auto_inv; + bool rc_posctl_inv; + bool rc_return_inv; + bool rc_loiter_inv; + bool rc_acro_inv; float battery_voltage_scaling; float battery_current_scaling; @@ -293,13 +314,13 @@ private: param_t rc_map_pitch; param_t rc_map_yaw; param_t rc_map_throttle; + param_t rc_map_failsafe; param_t rc_map_mode_sw; param_t rc_map_return_sw; - param_t rc_map_assisted_sw; + param_t rc_map_posctl_sw; param_t rc_map_loiter_sw; - -// param_t rc_map_offboard_ctrl_mode_sw; + param_t rc_map_acro_sw; param_t rc_map_flaps; @@ -309,13 +330,21 @@ private: param_t rc_map_aux4; param_t rc_map_aux5; - param_t rc_fs_thr; + param_t rc_fails_thr; + param_t rc_assist_th; + param_t rc_auto_th; + param_t rc_posctl_th; + param_t rc_return_th; + param_t rc_loiter_th; + param_t rc_acro_th; param_t battery_voltage_scaling; param_t battery_current_scaling; param_t board_rotation; param_t external_mag_rotation; + + param_t board_offset[3]; } _parameter_handles; /**< handles for interesting parameters */ @@ -416,7 +445,7 @@ private: /** * Main sensor collection task. */ - void task_main() __attribute__((noreturn)); + void task_main(); }; namespace sensors @@ -499,6 +528,7 @@ Sensors::Sensors() : _parameter_handles.rc_map_pitch = param_find("RC_MAP_PITCH"); _parameter_handles.rc_map_yaw = param_find("RC_MAP_YAW"); _parameter_handles.rc_map_throttle = param_find("RC_MAP_THROTTLE"); + _parameter_handles.rc_map_failsafe = param_find("RC_MAP_FAILSAFE"); /* mandatory mode switches, mapped to channel 5 and 6 per default */ _parameter_handles.rc_map_mode_sw = param_find("RC_MAP_MODE_SW"); @@ -507,10 +537,9 @@ Sensors::Sensors() : _parameter_handles.rc_map_flaps = param_find("RC_MAP_FLAPS"); /* optional mode switches, not mapped per default */ - _parameter_handles.rc_map_assisted_sw = param_find("RC_MAP_ASSIST_SW"); + _parameter_handles.rc_map_posctl_sw = param_find("RC_MAP_POSCTL_SW"); _parameter_handles.rc_map_loiter_sw = param_find("RC_MAP_LOITER_SW"); - -// _parameter_handles.rc_map_offboard_ctrl_mode_sw = param_find("RC_MAP_OFFB_SW"); + _parameter_handles.rc_map_acro_sw = param_find("RC_MAP_ACRO_SW"); _parameter_handles.rc_map_aux1 = param_find("RC_MAP_AUX1"); _parameter_handles.rc_map_aux2 = param_find("RC_MAP_AUX2"); @@ -518,8 +547,14 @@ Sensors::Sensors() : _parameter_handles.rc_map_aux4 = param_find("RC_MAP_AUX4"); _parameter_handles.rc_map_aux5 = param_find("RC_MAP_AUX5"); - /* RC failsafe */ - _parameter_handles.rc_fs_thr = param_find("RC_FAILS_THR"); + /* RC thresholds */ + _parameter_handles.rc_fails_thr = param_find("RC_FAILS_THR"); + _parameter_handles.rc_assist_th = param_find("RC_ASSIST_TH"); + _parameter_handles.rc_auto_th = param_find("RC_AUTO_TH"); + _parameter_handles.rc_posctl_th = param_find("RC_POSCTL_TH"); + _parameter_handles.rc_return_th = param_find("RC_RETURN_TH"); + _parameter_handles.rc_loiter_th = param_find("RC_LOITER_TH"); + _parameter_handles.rc_acro_th = param_find("RC_ACRO_TH"); /* gyro offsets */ _parameter_handles.gyro_offset[0] = param_find("SENS_GYRO_XOFF"); @@ -556,6 +591,11 @@ Sensors::Sensors() : /* rotations */ _parameter_handles.board_rotation = param_find("SENS_BOARD_ROT"); _parameter_handles.external_mag_rotation = param_find("SENS_EXT_MAG_ROT"); + + /* rotation offsets */ + _parameter_handles.board_offset[0] = param_find("SENS_BOARD_X_OFF"); + _parameter_handles.board_offset[1] = param_find("SENS_BOARD_Y_OFF"); + _parameter_handles.board_offset[2] = param_find("SENS_BOARD_Z_OFF"); /* fetch initial parameter values */ parameters_update(); @@ -609,7 +649,7 @@ Sensors::parameters_update() if (!isfinite(tmpScaleFactor) || (tmpRevFactor < 0.000001f) || (tmpRevFactor > 0.2f)) { - warnx("RC chan %u not sane, scaling: %8.6f, rev: %d", i, tmpScaleFactor, (int)(_parameters.rev[i])); + warnx("RC chan %u not sane, scaling: %8.6f, rev: %d", i, (double)tmpScaleFactor, (int)(_parameters.rev[i])); /* scaling factors do not make sense, lock them down */ _parameters.scaling_factor[i] = 0.0f; rc_valid = false; @@ -620,8 +660,9 @@ Sensors::parameters_update() } /* handle wrong values */ - if (!rc_valid) + if (!rc_valid) { warnx("WARNING WARNING WARNING\n\nRC CALIBRATION NOT SANE!\n\n"); + } const char *paramerr = "FAIL PARM LOAD"; @@ -642,6 +683,10 @@ Sensors::parameters_update() warnx("%s", paramerr); } + if (param_get(_parameter_handles.rc_map_failsafe, &(_parameters.rc_map_failsafe)) != OK) { + warnx("%s", paramerr); + } + if (param_get(_parameter_handles.rc_map_mode_sw, &(_parameters.rc_map_mode_sw)) != OK) { warnx("%s", paramerr); } @@ -650,7 +695,7 @@ Sensors::parameters_update() warnx("%s", paramerr); } - if (param_get(_parameter_handles.rc_map_assisted_sw, &(_parameters.rc_map_assisted_sw)) != OK) { + if (param_get(_parameter_handles.rc_map_posctl_sw, &(_parameters.rc_map_posctl_sw)) != OK) { warnx("%s", paramerr); } @@ -658,20 +703,38 @@ Sensors::parameters_update() warnx("%s", paramerr); } - if (param_get(_parameter_handles.rc_map_flaps, &(_parameters.rc_map_flaps)) != OK) { + if (param_get(_parameter_handles.rc_map_acro_sw, &(_parameters.rc_map_acro_sw)) != OK) { warnx("%s", paramerr); } -// if (param_get(_parameter_handles.rc_map_offboard_ctrl_mode_sw, &(_parameters.rc_map_offboard_ctrl_mode_sw)) != OK) { -// warnx("Failed getting offboard control mode sw chan index"); -// } + if (param_get(_parameter_handles.rc_map_flaps, &(_parameters.rc_map_flaps)) != OK) { + warnx("%s", paramerr); + } param_get(_parameter_handles.rc_map_aux1, &(_parameters.rc_map_aux1)); param_get(_parameter_handles.rc_map_aux2, &(_parameters.rc_map_aux2)); param_get(_parameter_handles.rc_map_aux3, &(_parameters.rc_map_aux3)); param_get(_parameter_handles.rc_map_aux4, &(_parameters.rc_map_aux4)); param_get(_parameter_handles.rc_map_aux5, &(_parameters.rc_map_aux5)); - param_get(_parameter_handles.rc_fs_thr, &(_parameters.rc_fs_thr)); + param_get(_parameter_handles.rc_fails_thr, &(_parameters.rc_fails_thr)); + param_get(_parameter_handles.rc_assist_th, &(_parameters.rc_assist_th)); + _parameters.rc_assist_inv = (_parameters.rc_assist_th < 0); + _parameters.rc_assist_th = fabs(_parameters.rc_assist_th); + param_get(_parameter_handles.rc_auto_th, &(_parameters.rc_auto_th)); + _parameters.rc_auto_inv = (_parameters.rc_auto_th < 0); + _parameters.rc_auto_th = fabs(_parameters.rc_auto_th); + param_get(_parameter_handles.rc_posctl_th, &(_parameters.rc_posctl_th)); + _parameters.rc_posctl_inv = (_parameters.rc_posctl_th < 0); + _parameters.rc_posctl_th = fabs(_parameters.rc_posctl_th); + param_get(_parameter_handles.rc_return_th, &(_parameters.rc_return_th)); + _parameters.rc_return_inv = (_parameters.rc_return_th < 0); + _parameters.rc_return_th = fabs(_parameters.rc_return_th); + param_get(_parameter_handles.rc_loiter_th, &(_parameters.rc_loiter_th)); + _parameters.rc_loiter_inv = (_parameters.rc_loiter_th < 0); + _parameters.rc_loiter_th = fabs(_parameters.rc_loiter_th); + param_get(_parameter_handles.rc_acro_th, &(_parameters.rc_acro_th)); + _parameters.rc_acro_inv = (_parameters.rc_acro_th < 0); + _parameters.rc_acro_th = fabs(_parameters.rc_acro_th); /* update RC function mappings */ _rc.function[THROTTLE] = _parameters.rc_map_throttle - 1; @@ -681,13 +744,12 @@ Sensors::parameters_update() _rc.function[MODE] = _parameters.rc_map_mode_sw - 1; _rc.function[RETURN] = _parameters.rc_map_return_sw - 1; - _rc.function[ASSISTED] = _parameters.rc_map_assisted_sw - 1; + _rc.function[POSCTL] = _parameters.rc_map_posctl_sw - 1; _rc.function[LOITER] = _parameters.rc_map_loiter_sw - 1; + _rc.function[ACRO] = _parameters.rc_map_acro_sw - 1; _rc.function[FLAPS] = _parameters.rc_map_flaps - 1; -// _rc.function[OFFBOARD_MODE] = _parameters.rc_map_offboard_ctrl_mode_sw - 1; - _rc.function[AUX_1] = _parameters.rc_map_aux1 - 1; _rc.function[AUX_2] = _parameters.rc_map_aux2 - 1; _rc.function[AUX_3] = _parameters.rc_map_aux3 - 1; @@ -738,6 +800,18 @@ Sensors::parameters_update() get_rot_matrix((enum Rotation)_parameters.board_rotation, &_board_rotation); get_rot_matrix((enum Rotation)_parameters.external_mag_rotation, &_external_mag_rotation); + + param_get(_parameter_handles.board_offset[0], &(_parameters.board_offset[0])); + param_get(_parameter_handles.board_offset[1], &(_parameters.board_offset[1])); + param_get(_parameter_handles.board_offset[2], &(_parameters.board_offset[2])); + + /** fine tune board offset on parameter update **/ + math::Matrix<3, 3> board_rotation_offset; + board_rotation_offset.from_euler( M_DEG_TO_RAD_F * _parameters.board_offset[0], + M_DEG_TO_RAD_F * _parameters.board_offset[1], + M_DEG_TO_RAD_F * _parameters.board_offset[2]); + + _board_rotation = _board_rotation * board_rotation_offset; return OK; } @@ -765,7 +839,7 @@ Sensors::accel_init() /* set the driver to poll at 1000Hz */ ioctl(fd, SENSORIOCSPOLLRATE, 1000); -#elif CONFIG_ARCH_BOARD_PX4FMU_V2 +#elif CONFIG_ARCH_BOARD_PX4FMU_V2 || CONFIG_ARCH_BOARD_AEROCORE /* set the accel internal sampling rate up to at leat 800Hz */ ioctl(fd, ACCELIOCSSAMPLERATE, 800); @@ -774,7 +848,7 @@ Sensors::accel_init() ioctl(fd, SENSORIOCSPOLLRATE, 800); #else -#error Need a board configuration, either CONFIG_ARCH_BOARD_PX4FMU_V1 or CONFIG_ARCH_BOARD_PX4FMU_V2 +#error Need a board configuration, either CONFIG_ARCH_BOARD_PX4FMU_V1, CONFIG_ARCH_BOARD_PX4FMU_V2 or CONFIG_ARCH_BOARD_AEROCORE #endif @@ -800,12 +874,14 @@ Sensors::gyro_init() #ifdef CONFIG_ARCH_BOARD_PX4FMU_V1 /* set the gyro internal sampling rate up to at least 1000Hz */ - if (ioctl(fd, GYROIOCSSAMPLERATE, 1000) != OK) + if (ioctl(fd, GYROIOCSSAMPLERATE, 1000) != OK) { ioctl(fd, GYROIOCSSAMPLERATE, 800); + } /* set the driver to poll at 1000Hz */ - if (ioctl(fd, SENSORIOCSPOLLRATE, 1000) != OK) + if (ioctl(fd, SENSORIOCSPOLLRATE, 1000) != OK) { ioctl(fd, SENSORIOCSPOLLRATE, 800); + } #else @@ -860,12 +936,15 @@ Sensors::mag_init() ret = ioctl(fd, MAGIOCGEXTERNAL, 0); - if (ret < 0) + if (ret < 0) { errx(1, "FATAL: unknown if magnetometer is external or onboard"); - else if (ret == 1) + + } else if (ret == 1) { _mag_is_external = true; - else + + } else { _mag_is_external = false; + } close(fd); } @@ -965,10 +1044,12 @@ Sensors::mag_poll(struct sensor_combined_s &raw) math::Vector<3> vect(mag_report.x, mag_report.y, mag_report.z); - if (_mag_is_external) + if (_mag_is_external) { vect = _external_mag_rotation * vect; - else + + } else { vect = _board_rotation * vect; + } raw.magnetometer_ga[0] = vect(0); raw.magnetometer_ga[1] = vect(1); @@ -1086,8 +1167,9 @@ Sensors::parameter_update_poll(bool forced) _parameters.gyro_scale[2], }; - if (OK != ioctl(fd, GYROIOCSSCALE, (long unsigned int)&gscale)) + if (OK != ioctl(fd, GYROIOCSSCALE, (long unsigned int)&gscale)) { warn("WARNING: failed to set scale / offsets for gyro"); + } close(fd); @@ -1101,8 +1183,9 @@ Sensors::parameter_update_poll(bool forced) _parameters.accel_scale[2], }; - if (OK != ioctl(fd, ACCELIOCSSCALE, (long unsigned int)&ascale)) + if (OK != ioctl(fd, ACCELIOCSSCALE, (long unsigned int)&ascale)) { warn("WARNING: failed to set scale / offsets for accel"); + } close(fd); @@ -1116,8 +1199,9 @@ Sensors::parameter_update_poll(bool forced) _parameters.mag_scale[2], }; - if (OK != ioctl(fd, MAGIOCSSCALE, (long unsigned int)&mscale)) + if (OK != ioctl(fd, MAGIOCSSCALE, (long unsigned int)&mscale)) { warn("WARNING: failed to set scale / offsets for mag"); + } close(fd); @@ -1131,15 +1215,17 @@ Sensors::parameter_update_poll(bool forced) 1.0f, }; - if (OK != ioctl(fd, AIRSPEEDIOCSSCALE, (long unsigned int)&airscale)) + if (OK != ioctl(fd, AIRSPEEDIOCSSCALE, (long unsigned int)&airscale)) { warn("WARNING: failed to set scale / offsets for airspeed sensor"); + } + close(fd); } #if 0 - printf("CH0: RAW MAX: %d MIN %d S: %d MID: %d FUNC: %d\n", (int)_parameters.max[0], (int)_parameters.min[0], (int)(_rc.chan[0].scaling_factor * 10000), (int)(_rc.chan[0].mid), (int)_rc.function[0]); - printf("CH1: RAW MAX: %d MIN %d S: %d MID: %d FUNC: %d\n", (int)_parameters.max[1], (int)_parameters.min[1], (int)(_rc.chan[1].scaling_factor * 10000), (int)(_rc.chan[1].mid), (int)_rc.function[1]); - printf("MAN: %d %d\n", (int)(_rc.chan[0].scaled * 100), (int)(_rc.chan[1].scaled * 100)); + printf("CH0: RAW MAX: %d MIN %d S: %d MID: %d FUNC: %d\n", (int)_parameters.max[0], (int)_parameters.min[0], (int)(_rc.channels[0].scaling_factor * 10000), (int)(_rc.channels[0].mid), (int)_rc.function[0]); + printf("CH1: RAW MAX: %d MIN %d S: %d MID: %d FUNC: %d\n", (int)_parameters.max[1], (int)_parameters.min[1], (int)(_rc.channels[1].scaling_factor * 10000), (int)(_rc.channels[1].mid), (int)_rc.function[1]); + printf("MAN: %d %d\n", (int)(_rc.channels[0] * 100), (int)(_rc.channels[1] * 100)); fflush(stdout); usleep(5000); #endif @@ -1150,10 +1236,12 @@ void Sensors::adc_poll(struct sensor_combined_s &raw) { /* only read if publishing */ - if (!_publishing) + if (!_publishing) { return; + } hrt_abstime t = hrt_absolute_time(); + /* rate limit to 100 Hz */ if (t - _last_adc >= 10000) { /* make space for a maximum of twelve channels (to ensure reading all channels at once) */ @@ -1178,6 +1266,7 @@ Sensors::adc_poll(struct sensor_combined_s &raw) if (voltage > BATT_V_IGNORE_THRESHOLD) { _battery_status.voltage_v = voltage; + /* one-time initialization of low-pass value to avoid long init delays */ if (_battery_status.voltage_filtered_v < BATT_V_IGNORE_THRESHOLD) { _battery_status.voltage_filtered_v = voltage; @@ -1196,19 +1285,24 @@ Sensors::adc_poll(struct sensor_combined_s &raw) /* handle current only if voltage is valid */ if (_battery_status.voltage_v > 0.0f) { float current = (buf_adc[i].am_data * _parameters.battery_current_scaling); + /* check measured current value */ if (current >= 0.0f) { _battery_status.timestamp = t; _battery_status.current_a = current; + if (_battery_current_timestamp != 0) { /* initialize discharged value */ - if (_battery_status.discharged_mah < 0.0f) + if (_battery_status.discharged_mah < 0.0f) { _battery_status.discharged_mah = 0.0f; + } + _battery_discharged += current * (t - _battery_current_timestamp); _battery_status.discharged_mah = ((float) _battery_discharged) / 3600000.0f; } } } + _battery_current_timestamp = t; } else if (ADC_AIRSPEED_VOLTAGE_CHANNEL == buf_adc[i].am_channel) { @@ -1221,7 +1315,7 @@ Sensors::adc_poll(struct sensor_combined_s &raw) * a valid voltage from a connected sensor. Also assume a non- * zero offset from the sensor if its connected. */ - if (voltage > 0.4f && _parameters.diff_pres_analog_enabled) { + if (voltage > 0.4f && (_parameters.diff_pres_analog_enabled > 0)) { float diff_pres_pa = voltage * 1000.0f - _parameters.diff_pres_offset_pa; //for MPXV7002DP sensor @@ -1241,7 +1335,9 @@ Sensors::adc_poll(struct sensor_combined_s &raw) } } } + _last_adc = t; + if (_battery_status.voltage_filtered_v > BATT_V_IGNORE_THRESHOLD) { /* announce the battery status if needed, just publish else */ if (_battery_pub > 0) { @@ -1259,7 +1355,8 @@ float Sensors::get_rc_value(enum RC_CHANNELS_FUNCTION func, float min_value, float max_value) { if (_rc.function[func] >= 0) { - float value = _rc.chan[_rc.function[func]].scaled; + float value = _rc.channels[_rc.function[func]]; + if (value < min_value) { return min_value; @@ -1269,24 +1366,44 @@ Sensors::get_rc_value(enum RC_CHANNELS_FUNCTION func, float min_value, float max } else { return value; } + } else { return 0.0f; } } switch_pos_t -Sensors::get_rc_switch_position(enum RC_CHANNELS_FUNCTION func) +Sensors::get_rc_sw3pos_position(enum RC_CHANNELS_FUNCTION func, float on_th, bool on_inv, float mid_th, bool mid_inv) { if (_rc.function[func] >= 0) { - float value = _rc.chan[_rc.function[func]].scaled; - if (value > STICK_ON_OFF_LIMIT) { + float value = 0.5f * _rc.channels[_rc.function[func]] + 0.5f; + + if (on_inv ? value < on_th : value > on_th) { return SWITCH_POS_ON; - } else if (value < -STICK_ON_OFF_LIMIT) { + } else if (mid_inv ? value < mid_th : value > mid_th) { + return SWITCH_POS_MIDDLE; + + } else { return SWITCH_POS_OFF; + } + + } else { + return SWITCH_POS_NONE; + } +} + +switch_pos_t +Sensors::get_rc_sw2pos_position(enum RC_CHANNELS_FUNCTION func, float on_th, bool on_inv) +{ + if (_rc.function[func] >= 0) { + float value = 0.5f * _rc.channels[_rc.function[func]] + 0.5f; + + if (on_inv ? value < on_th : value > on_th) { + return SWITCH_POS_ON; } else { - return SWITCH_POS_MIDDLE; + return SWITCH_POS_OFF; } } else { @@ -1318,13 +1435,18 @@ Sensors::rc_poll() /* signal looks good */ signal_lost = false; - /* check throttle failsafe */ - int8_t thr_ch = _rc.function[THROTTLE]; - if (_parameters.rc_fs_thr > 0 && thr_ch >= 0) { - /* throttle failsafe configured */ - if ((_parameters.rc_fs_thr < _parameters.min[thr_ch] && rc_input.values[thr_ch] < _parameters.rc_fs_thr) || - (_parameters.rc_fs_thr > _parameters.max[thr_ch] && rc_input.values[thr_ch] > _parameters.rc_fs_thr)) { - /* throttle failsafe triggered, signal is lost by receiver */ + /* check failsafe */ + int8_t fs_ch = _rc.function[_parameters.rc_map_failsafe]; // get channel mapped to throttle + + if (_parameters.rc_map_failsafe > 0) { // if not 0, use channel number instead of rc.function mapping + fs_ch = _parameters.rc_map_failsafe - 1; + } + + if (_parameters.rc_fails_thr > 0 && fs_ch >= 0) { + /* failsafe configured */ + if ((_parameters.rc_fails_thr < _parameters.min[fs_ch] && rc_input.values[fs_ch] < _parameters.rc_fails_thr) || + (_parameters.rc_fails_thr > _parameters.max[fs_ch] && rc_input.values[fs_ch] > _parameters.rc_fails_thr)) { + /* failsafe triggered, signal is lost by receiver */ signal_lost = true; } } @@ -1332,8 +1454,9 @@ Sensors::rc_poll() unsigned channel_limit = rc_input.channel_count; - if (channel_limit > _rc_max_chan_count) + if (channel_limit > _rc_max_chan_count) { channel_limit = _rc_max_chan_count; + } /* read out and scale values from raw message even if signal is invalid */ for (unsigned int i = 0; i < channel_limit; i++) { @@ -1341,11 +1464,13 @@ Sensors::rc_poll() /* * 1) Constrain to min/max values, as later processing depends on bounds. */ - if (rc_input.values[i] < _parameters.min[i]) + if (rc_input.values[i] < _parameters.min[i]) { rc_input.values[i] = _parameters.min[i]; + } - if (rc_input.values[i] > _parameters.max[i]) + if (rc_input.values[i] > _parameters.max[i]) { rc_input.values[i] = _parameters.max[i]; + } /* * 2) Scale around the mid point differently for lower and upper range. @@ -1364,24 +1489,25 @@ Sensors::rc_poll() * DO NOT REMOVE OR ALTER STEP 1! */ if (rc_input.values[i] > (_parameters.trim[i] + _parameters.dz[i])) { - _rc.chan[i].scaled = (rc_input.values[i] - _parameters.trim[i] - _parameters.dz[i]) / (float)(_parameters.max[i] - _parameters.trim[i] - _parameters.dz[i]); + _rc.channels[i] = (rc_input.values[i] - _parameters.trim[i] - _parameters.dz[i]) / (float)(_parameters.max[i] - _parameters.trim[i] - _parameters.dz[i]); } else if (rc_input.values[i] < (_parameters.trim[i] - _parameters.dz[i])) { - _rc.chan[i].scaled = (rc_input.values[i] - _parameters.trim[i] + _parameters.dz[i]) / (float)(_parameters.trim[i] - _parameters.min[i] - _parameters.dz[i]); + _rc.channels[i] = (rc_input.values[i] - _parameters.trim[i] + _parameters.dz[i]) / (float)(_parameters.trim[i] - _parameters.min[i] - _parameters.dz[i]); } else { /* in the configured dead zone, output zero */ - _rc.chan[i].scaled = 0.0f; + _rc.channels[i] = 0.0f; } - _rc.chan[i].scaled *= _parameters.rev[i]; + _rc.channels[i] *= _parameters.rev[i]; /* handle any parameter-induced blowups */ - if (!isfinite(_rc.chan[i].scaled)) - _rc.chan[i].scaled = 0.0f; + if (!isfinite(_rc.channels[i])) { + _rc.channels[i] = 0.0f; + } } - _rc.chan_count = rc_input.channel_count; + _rc.channel_count = rc_input.channel_count; _rc.rssi = rc_input.rssi; _rc.signal_lost = signal_lost; _rc.timestamp = rc_input.timestamp_last_signal; @@ -1402,10 +1528,10 @@ Sensors::rc_poll() manual.timestamp = rc_input.timestamp_last_signal; /* limit controls */ - manual.roll = get_rc_value(ROLL, -1.0, 1.0); - manual.pitch = get_rc_value(PITCH, -1.0, 1.0); - manual.yaw = get_rc_value(YAW, -1.0, 1.0); - manual.throttle = get_rc_value(THROTTLE, 0.0, 1.0); + manual.y = get_rc_value(ROLL, -1.0, 1.0); + manual.x = get_rc_value(PITCH, -1.0, 1.0); + manual.r = get_rc_value(YAW, -1.0, 1.0); + manual.z = get_rc_value(THROTTLE, 0.0, 1.0); manual.flaps = get_rc_value(FLAPS, -1.0, 1.0); manual.aux1 = get_rc_value(AUX_1, -1.0, 1.0); manual.aux2 = get_rc_value(AUX_2, -1.0, 1.0); @@ -1414,10 +1540,11 @@ Sensors::rc_poll() manual.aux5 = get_rc_value(AUX_5, -1.0, 1.0); /* mode switches */ - manual.mode_switch = get_rc_switch_position(MODE); - manual.assisted_switch = get_rc_switch_position(ASSISTED); - manual.loiter_switch = get_rc_switch_position(LOITER); - manual.return_switch = get_rc_switch_position(RETURN); + manual.mode_switch = get_rc_sw3pos_position(MODE, _parameters.rc_auto_th, _parameters.rc_auto_inv, _parameters.rc_assist_th, _parameters.rc_assist_inv); + manual.posctl_switch = get_rc_sw2pos_position(POSCTL, _parameters.rc_posctl_th, _parameters.rc_posctl_inv); + manual.return_switch = get_rc_sw2pos_position(RETURN, _parameters.rc_return_th, _parameters.rc_return_inv); + manual.loiter_switch = get_rc_sw2pos_position(LOITER, _parameters.rc_loiter_th, _parameters.rc_loiter_inv); + manual.acro_switch = get_rc_sw2pos_position(ACRO, _parameters.rc_acro_th, _parameters.rc_acro_inv); /* publish manual_control_setpoint topic */ if (_manual_control_pub > 0) { @@ -1433,10 +1560,10 @@ Sensors::rc_poll() actuator_group_3.timestamp = rc_input.timestamp_last_signal; - actuator_group_3.control[0] = manual.roll; - actuator_group_3.control[1] = manual.pitch; - actuator_group_3.control[2] = manual.yaw; - actuator_group_3.control[3] = manual.throttle; + actuator_group_3.control[0] = manual.y; + actuator_group_3.control[1] = manual.x; + actuator_group_3.control[2] = manual.r; + actuator_group_3.control[3] = manual.z; actuator_group_3.control[4] = manual.flaps; actuator_group_3.control[5] = manual.aux1; actuator_group_3.control[6] = manual.aux2; @@ -1560,8 +1687,9 @@ Sensors::task_main() diff_pres_poll(raw); /* Inform other processes that new data is available to copy */ - if (_publishing) + if (_publishing) { orb_publish(ORB_ID(sensor_combined), _sensor_pub, &raw); + } /* Look for new r/c input data */ rc_poll(); @@ -1584,7 +1712,7 @@ Sensors::start() _sensors_task = task_spawn_cmd("sensors_task", SCHED_DEFAULT, SCHED_PRIORITY_MAX - 5, - 2048, + 2000, (main_t)&Sensors::task_main_trampoline, nullptr); @@ -1598,18 +1726,21 @@ Sensors::start() int sensors_main(int argc, char *argv[]) { - if (argc < 1) + if (argc < 1) { errx(1, "usage: sensors {start|stop|status}"); + } if (!strcmp(argv[1], "start")) { - if (sensors::g_sensors != nullptr) + if (sensors::g_sensors != nullptr) { errx(0, "already running"); + } sensors::g_sensors = new Sensors; - if (sensors::g_sensors == nullptr) + if (sensors::g_sensors == nullptr) { errx(1, "alloc failed"); + } if (OK != sensors::g_sensors->start()) { delete sensors::g_sensors; @@ -1621,8 +1752,9 @@ int sensors_main(int argc, char *argv[]) } if (!strcmp(argv[1], "stop")) { - if (sensors::g_sensors == nullptr) + if (sensors::g_sensors == nullptr) { errx(1, "not running"); + } delete sensors::g_sensors; sensors::g_sensors = nullptr; @@ -1641,4 +1773,3 @@ int sensors_main(int argc, char *argv[]) warnx("unrecognized command"); return 1; } - |