Ch8 can be used as an aux switch like ch7. Has all the same options as
ch7 and there is a safety check to ensure both switches aren't set to
the same function so as to avoid interfering with each other
Allows user to control whether nose points towards next waypoint and/or
home when RTLing.
Replaces YAW_OVR_BEHAVE which had a very similar purpose. Almost nobody
ever knew about or used this parameter.
Note: this idea of feed forward tilt compensation is being incorporated
into the inertial nav based loiter and wp controllers but does not
require a separate tunable parameter
Switch to LAND flight mode if throttle failsafe triggers and we do not have a GPS.
THR_FAILSAFE renamed to FS_THR_ENABLE.
THR_FS_VALUE renamed to FS_THR_VALUE.
THR_FS_ACTION removed (action is now controlled by setting FS_THR parameter).
Renamed loiter_radius to circle_radius to better reflect it's purpose.
Removed some unused parameters including WP_MODE, WP_MUST_INDEX, LOG_LASTFILE, AXIS_P
Consolidated RTL state to be captured by rtl_state variable.
Combined update_RTL_Nav and verify_RTL functions which performed the same function but one was for missions, the other for the RTL flight mode.
Renamed some RTL parameters and global variables to have RTL at the front.
Landing detector now checks accel-throttle's I term and/or a very low throttle value
Changes include:
New low-level get_throttle_accel function takes target acceleration and compares vs earth-frame Z accelerometer values to produce output to motors.
Higher level throttle controllers modified to call new get_throttle_accel controller
Throttle_rate_stabilized controller added which maintains a desired climb/descent rate
Throttle_land controller added - descends using normal auto throttle controller to 10m then descends at 50cm/s
Multiple throttle modes added including landing mode
Land flight mode no longer needs GPS
Throttle cruise maintenance moved to update_throttle_cruise function
sanity checking added to accelerometer calibration routine.
user feedback is sent using gcs_send_text_fmt instead of Serial.printf.
moved ins parameters to new eeprom number to avoid conflicts with older parameters.
other small changes including renaming of functions and parameters.
Channels 5 to 11 changed to RC_Channel_aux.
Removed channel 9 because APM_RC doesn't support it in any case.
Updated EEPROM format version to 119 because of the change to RC_Channel_aux and because k_param_rc_11 moved to be after k_param_rc_10.
Randy Mackay
Andrew Tridgell
Pat Hickey
Robert Lefebvre
Jason Short