diff --git a/ArduSub/control_stabilize.cpp b/ArduSub/control_stabilize.cpp index 7963cf674b..fff9acf76a 100644 --- a/ArduSub/control_stabilize.cpp +++ b/ArduSub/control_stabilize.cpp @@ -5,8 +5,10 @@ bool Sub::stabilize_init() { // set target altitude to zero for reporting pos_control.set_alt_target(0); - last_pilot_heading = ahrs.yaw_sensor; - + last_roll = ahrs.roll_sensor; + last_pitch = ahrs.pitch_sensor; + last_yaw = ahrs.yaw_sensor; + last_input_ms = AP_HAL::millis(); return true; } @@ -14,51 +16,20 @@ bool Sub::stabilize_init() // should be called at 100hz or more void Sub::stabilize_run() { - uint32_t tnow = AP_HAL::millis(); - float target_roll, target_pitch; - float target_yaw_rate; - // if not armed set throttle to zero and exit immediately if (!motors.armed()) { motors.set_desired_spool_state(AP_Motors::DESIRED_GROUND_IDLE); attitude_control.set_throttle_out(0,true,g.throttle_filt); attitude_control.relax_attitude_controllers(); - last_pilot_heading = ahrs.yaw_sensor; + last_roll = ahrs.roll_sensor; + last_pitch = ahrs.pitch_sensor; + last_yaw = ahrs.yaw_sensor; return; } - + // Vehicle is armed, motors are free to run motors.set_desired_spool_state(AP_Motors::DESIRED_THROTTLE_UNLIMITED); - // convert pilot input to lean angles - // To-Do: convert get_pilot_desired_lean_angles to return angles as floats - get_pilot_desired_lean_angles(channel_roll->get_control_in(), channel_pitch->get_control_in(), target_roll, target_pitch, aparm.angle_max); - - // get pilot's desired yaw rate - target_yaw_rate = get_pilot_desired_yaw_rate(channel_yaw->get_control_in()); - - // call attitude controller - // update attitude controller targets - - if (!is_zero(target_yaw_rate)) { // call attitude controller with rate yaw determined by pilot input - attitude_control.input_euler_angle_roll_pitch_euler_rate_yaw(target_roll, target_pitch, target_yaw_rate); - last_pilot_heading = ahrs.yaw_sensor; - last_pilot_yaw_input_ms = tnow; // time when pilot last changed heading - - } else { // hold current heading - - // this check is required to prevent bounce back after very fast yaw maneuvers - // the inertia of the vehicle causes the heading to move slightly past the point when pilot input actually stopped - if (tnow < last_pilot_yaw_input_ms + 250) { // give 250ms to slow down, then set target heading - target_yaw_rate = 0; // Stop rotation on yaw axis - - // call attitude controller with target yaw rate = 0 to decelerate on yaw axis - attitude_control.input_euler_angle_roll_pitch_euler_rate_yaw(target_roll, target_pitch, target_yaw_rate); - last_pilot_heading = ahrs.yaw_sensor; // update heading to hold - - } else { // call attitude controller holding absolute absolute bearing - attitude_control.input_euler_angle_roll_pitch_yaw(target_roll, target_pitch, last_pilot_heading, true); - } - } + handle_attitude(); // output pilot's throttle attitude_control.set_throttle_out(channel_throttle->norm_input(), false, g.throttle_filt);