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Switch manual_control_setpoint.z scaling from [0,1] to [-1,1]

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To be consistent with all other axes of stick input and avoid future
rescaling confusion.

Note: for the MAVLink message 69 MANUAL_CONTROL it's using the full range
according to the message specs now [-1000,1000].
This commit is contained in:
Matthias Grob
2020-10-12 20:03:31 +02:00
parent 5579e319ff
commit 83246c84cf
13 changed files with 38 additions and 52 deletions
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src/modules/fw_pos_control_l1/FixedwingPositionControl.cpp
+9 -18
View File
@@ -317,20 +317,20 @@ FixedwingPositionControl::manual_control_setpoint_poll()
_manual_control_setpoint_sub.update(&_manual_control_setpoint);
_manual_control_setpoint_for_height_rate = _manual_control_setpoint.x;
_manual_control_setpoint_for_airspeed = math::constrain(_manual_control_setpoint.z, 0.0f, 1.0f);
_manual_control_setpoint_for_airspeed = _manual_control_setpoint.z;
if (_param_fw_pos_stk_conf.get() & STICK_CONFIG_SWAP_STICKS_BIT) {
/* Alternate stick allocation (similar concept as for multirotor systems:
* demanding up/down with the throttle stick, and move faster/break with the pitch one.
*/
_manual_control_setpoint_for_height_rate = -(math::constrain(_manual_control_setpoint.z, 0.0f, 1.0f) * 2.f - 1.f);
_manual_control_setpoint_for_airspeed = math::constrain(_manual_control_setpoint.x, -1.0f, 1.0f) / 2.f + 0.5f;
_manual_control_setpoint_for_height_rate = -_manual_control_setpoint.z;
_manual_control_setpoint_for_airspeed = _manual_control_setpoint.x;
}
// send neutral setpoints if no update for 1 s
if (hrt_elapsed_time(&_manual_control_setpoint.timestamp) > 1_s) {
_manual_control_setpoint_for_height_rate = 0.f;
_manual_control_setpoint_for_airspeed = 0.5f;
_manual_control_setpoint_for_airspeed = 0.f;
}
}
@@ -379,18 +379,9 @@ FixedwingPositionControl::get_manual_airspeed_setpoint()
if (_param_fw_pos_stk_conf.get() & STICK_CONFIG_ENABLE_AIRSPEED_SP_MANUAL_BIT) {
// neutral throttle corresponds to trim airspeed
if (_manual_control_setpoint_for_airspeed < 0.5f) {
// lower half of throttle is min to trim airspeed
altctrl_airspeed = _param_fw_airspd_min.get() +
(_param_fw_airspd_trim.get() - _param_fw_airspd_min.get()) *
_manual_control_setpoint_for_airspeed * 2;
} else {
// upper half of throttle is trim to max airspeed
altctrl_airspeed = _param_fw_airspd_trim.get() +
(_param_fw_airspd_max.get() - _param_fw_airspd_trim.get()) *
(_manual_control_setpoint_for_airspeed * 2 - 1);
}
return math::interpolateNXY(_manual_control_setpoint_for_airspeed,
{-1.f, 0.f, 1.f},
{_param_fw_airspd_min.get(), _param_fw_airspd_trim.get(), _param_fw_airspd_max.get()});
} else if (PX4_ISFINITE(_commanded_manual_airspeed_setpoint)) {
altctrl_airspeed = _commanded_manual_airspeed_setpoint;
@@ -1910,7 +1901,7 @@ FixedwingPositionControl::control_manual_altitude(const float control_interval,
float throttle_max = _param_fw_thr_max.get();
// enable the operator to kill the throttle on ground
if (_landed && (fabsf(_manual_control_setpoint_for_airspeed) < THROTTLE_THRESH)) {
if (_landed && (_manual_control_setpoint_for_airspeed < THROTTLE_THRESH)) {
throttle_max = 0.0f;
}
@@ -1958,7 +1949,7 @@ FixedwingPositionControl::control_manual_position(const float control_interval,
float throttle_max = _param_fw_thr_max.get();
// enable the operator to kill the throttle on ground
if (_landed && (fabsf(_manual_control_setpoint_for_airspeed) < THROTTLE_THRESH)) {
if (_landed && (_manual_control_setpoint_for_airspeed < THROTTLE_THRESH)) {
throttle_max = 0.0f;
}