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author | Anton Babushkin <anton.babushkin@me.com> | 2014-04-03 17:26:07 +0400 |
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committer | Anton Babushkin <anton.babushkin@me.com> | 2014-04-03 17:26:07 +0400 |
commit | 1d5f62d890d1d85cef5e0f8e282d8e9e70717d46 (patch) | |
tree | c235ca7d98e1479ba48e1068e47c1e4e666808e1 /src/modules/sensors/sensors.cpp | |
parent | 2c4792d48ee98cf46d9f9cf8ec43a759d6cc15d0 (diff) | |
download | px4-firmware-1d5f62d890d1d85cef5e0f8e282d8e9e70717d46.tar.gz px4-firmware-1d5f62d890d1d85cef5e0f8e282d8e9e70717d46.tar.bz2 px4-firmware-1d5f62d890d1d85cef5e0f8e282d8e9e70717d46.zip |
sensors: use enum for switches position and -1..1 for values in 'manual_control_setpoint' topic
Diffstat (limited to 'src/modules/sensors/sensors.cpp')
-rw-r--r-- | src/modules/sensors/sensors.cpp | 165 |
1 files changed, 73 insertions, 92 deletions
diff --git a/src/modules/sensors/sensors.cpp b/src/modules/sensors/sensors.cpp index 9f816f5e1..e08d8618f 100644 --- a/src/modules/sensors/sensors.cpp +++ b/src/modules/sensors/sensors.cpp @@ -135,7 +135,7 @@ */ #define PCB_TEMP_ESTIMATE_DEG 5.0f -#define limit_minus_one_to_one(arg) (arg < -1.0f) ? -1.0f : ((arg > 1.0f) ? 1.0f : arg) +#define STICK_ON_OFF_LIMIT 0.75f /** * Sensor app start / stop handling function @@ -170,6 +170,16 @@ private: hrt_abstime _rc_last_valid; /**< last time we got a valid RC signal */ /** + * Get and limit value for specified RC function. Returns NAN if not mapped. + */ + float get_rc_value(enum RC_CHANNELS_FUNCTION func, float min_value, float max_value); + + /** + * Get switch position for specified function. + */ + switch_pos_t get_rc_switch_position(enum RC_CHANNELS_FUNCTION func); + + /** * Gather and publish RC input data. */ void rc_poll(); @@ -1275,6 +1285,45 @@ Sensors::adc_poll(struct sensor_combined_s &raw) } } +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; + if (value < min_value) { + return min_value; + + } else if (value > max_value) { + return max_value; + + } else { + return value; + } + } else { + return NAN; + } +} + +switch_pos_t +Sensors::get_rc_switch_position(enum RC_CHANNELS_FUNCTION func) +{ + if (_rc.function[func] >= 0) { + float value = _rc.chan[_rc.function[func]].scaled; + if (value > STICK_ON_OFF_LIMIT) { + return SWITCH_POS_ON; + + } else if (value < STICK_ON_OFF_LIMIT) { + return SWITCH_POS_OFF; + + } else { + return SWITCH_POS_MIDDLE; + } + + } else { + return SWITCH_POS_NONE; + } +} + void Sensors::rc_poll() { @@ -1292,13 +1341,6 @@ Sensors::rc_poll() manual_control.pitch = NAN; manual_control.yaw = NAN; manual_control.throttle = NAN; - - manual_control.mode_switch = NAN; - manual_control.return_switch = NAN; - manual_control.assisted_switch = NAN; - manual_control.mission_switch = NAN; -// manual_control.auto_offboard_input_switch = NAN; - manual_control.flaps = NAN; manual_control.aux1 = NAN; manual_control.aux2 = NAN; @@ -1306,6 +1348,11 @@ Sensors::rc_poll() manual_control.aux4 = NAN; manual_control.aux5 = NAN; + manual_control.mode_switch = SWITCH_POS_NONE; + manual_control.return_switch = SWITCH_POS_NONE; + manual_control.assisted_switch = SWITCH_POS_NONE; + manual_control.mission_switch = SWITCH_POS_NONE; + manual_control.signal_lost = true; orb_copy(ORB_ID(input_rc), _rc_sub, &rc_input); @@ -1316,7 +1363,7 @@ Sensors::rc_poll() /* signal looks good */ manual_control.signal_lost = false; - /* check throttle failsafe */ + /* check for throttle failsafe */ if (_parameters.rc_fs_ch != 0) { if (_parameters.rc_fs_mode == 0) { if (rc_input.values[_parameters.rc_fs_ch - 1] < _parameters.rc_fs_thr) { @@ -1397,89 +1444,23 @@ Sensors::rc_poll() if (!manual_control.signal_lost) { /* fill values in manual_control_setpoint topic only if signal is valid */ - /* roll input - rolling right is stick-wise and rotation-wise positive */ - manual_control.roll = limit_minus_one_to_one(_rc.chan[_rc.function[ROLL]].scaled); - /* - * pitch input - stick down is negative, but stick down is pitching up (pos) in NED, - * so reverse sign. - */ - manual_control.pitch = limit_minus_one_to_one(-1.0f * _rc.chan[_rc.function[PITCH]].scaled); - /* yaw input - stick right is positive and positive rotation */ - manual_control.yaw = limit_minus_one_to_one(_rc.chan[_rc.function[YAW]].scaled); - /* throttle input */ - manual_control.throttle = _rc.chan[_rc.function[THROTTLE]].scaled; - - if (manual_control.throttle < 0.0f) manual_control.throttle = 0.0f; - - if (manual_control.throttle > 1.0f) manual_control.throttle = 1.0f; - - /* scale output */ - if (isfinite(_parameters.rc_scale_roll) && _parameters.rc_scale_roll > 0.0f) { - manual_control.roll *= _parameters.rc_scale_roll; - } - - if (isfinite(_parameters.rc_scale_pitch) && _parameters.rc_scale_pitch > 0.0f) { - manual_control.pitch *= _parameters.rc_scale_pitch; - } - - if (isfinite(_parameters.rc_scale_yaw) && _parameters.rc_scale_yaw > 0.0f) { - manual_control.yaw *= _parameters.rc_scale_yaw; - } - - /* flaps */ - if (_rc.function[FLAPS] >= 0) { - - manual_control.flaps = limit_minus_one_to_one(_rc.chan[_rc.function[FLAPS]].scaled); - - if (isfinite(_parameters.rc_scale_flaps) && _parameters.rc_scale_flaps > 0.0f) { - manual_control.flaps *= _parameters.rc_scale_flaps; - } - } - - /* mode switch input */ - if (_rc.function[MODE] >= 0) { - manual_control.mode_switch = limit_minus_one_to_one(_rc.chan[_rc.function[MODE]].scaled); - } - - /* assisted switch input */ - if (_rc.function[ASSISTED] >= 0) { - manual_control.assisted_switch = limit_minus_one_to_one(_rc.chan[_rc.function[ASSISTED]].scaled); - } - - /* mission switch input */ - if (_rc.function[MISSION] >= 0) { - manual_control.mission_switch = limit_minus_one_to_one(_rc.chan[_rc.function[MISSION]].scaled); - } - - /* return switch input */ - if (_rc.function[RETURN] >= 0) { - manual_control.return_switch = limit_minus_one_to_one(_rc.chan[_rc.function[RETURN]].scaled); - } - - // if (_rc.function[OFFBOARD_MODE] >= 0) { - // manual_control.auto_offboard_input_switch = limit_minus_one_to_one(_rc.chan[_rc.function[OFFBOARD_MODE]].scaled); - // } - - /* aux functions, only assign if valid mapping is present */ - if (_rc.function[AUX_1] >= 0) { - manual_control.aux1 = limit_minus_one_to_one(_rc.chan[_rc.function[AUX_1]].scaled); - } - - if (_rc.function[AUX_2] >= 0) { - manual_control.aux2 = limit_minus_one_to_one(_rc.chan[_rc.function[AUX_2]].scaled); - } - - if (_rc.function[AUX_3] >= 0) { - manual_control.aux3 = limit_minus_one_to_one(_rc.chan[_rc.function[AUX_3]].scaled); - } - - if (_rc.function[AUX_4] >= 0) { - manual_control.aux4 = limit_minus_one_to_one(_rc.chan[_rc.function[AUX_4]].scaled); - } - - if (_rc.function[AUX_5] >= 0) { - manual_control.aux5 = limit_minus_one_to_one(_rc.chan[_rc.function[AUX_5]].scaled); - } + /* limit controls */ + manual_control.roll = get_rc_value(ROLL, -1.0, 1.0); + manual_control.pitch = get_rc_value(PITCH, -1.0, 1.0); + manual_control.yaw = get_rc_value(YAW, -1.0, 1.0); + manual_control.throttle = get_rc_value(THROTTLE, 0.0, 1.0); + manual_control.flaps = get_rc_value(FLAPS, -1.0, 1.0); + manual_control.aux1 = get_rc_value(AUX_1, -1.0, 1.0); + manual_control.aux2 = get_rc_value(AUX_2, -1.0, 1.0); + manual_control.aux3 = get_rc_value(AUX_3, -1.0, 1.0); + manual_control.aux4 = get_rc_value(AUX_4, -1.0, 1.0); + manual_control.aux5 = get_rc_value(AUX_5, -1.0, 1.0); + + /* mode switches */ + manual_control.mode_switch = get_rc_switch_position(MODE); + manual_control.assisted_switch = get_rc_switch_position(ASSISTED); + manual_control.mission_switch = get_rc_switch_position(MISSION); + manual_control.return_switch = get_rc_switch_position(RETURN); /* copy from mapped manual control to control group 3 */ actuator_group_3.control[0] = manual_control.roll; |