Lp 385_cameracontrol

This PR introduce a new cameracontrol module based mainly on Foxeer Legend 1 camera. This camera offers a pwm input with 3 programmable positions: shot, idle and video. CameraControl module aims at controlling a camera both in manual mode and automatic mode. Automatic mode works using TimeInterval and SpaceInterval (distance between two shots). MinimumTimeInterval is needed to cope with slow camera so that camera does not lose shots.

Automatic mode can be engaged in the following ways: - WhenArmed, when the copter is armed; - Always, it starts as soon as the board boot and is ready; - Input, using a configured(AutoTriggerInput) accessory channel, - Mission, as soon as pathplanner flight mode is engaged;

Manual mode overrides Auto mode. InputValues (used for manual control) and OutputValues binds every Accessory/PWM output position between minimum(-1), neutral (0) and maximum(1) to each mode (video, idle or shot).

• LP-385 - Implement camera trigger output handling

• LP-385 - Initial CameraControl module commit

• LP_385 - Implement activation/manual override logic, Camera activity "publishing"

• LP-385 - add supports for fractional part of second in gps time

• LP-385 - use fractional part of second in camera activity

• LP-385 - Manage time/distance trigger, picture trigger pulse duration

• LP-368 - Add coordinate conversion functions, perform some cleanup/optimization

• LP-385 - Convert local coordinates to LL

• LP-385 - Fix Actuator support for CameraControl

• LP-385 - Fix manual trigger

• LP-385 - Add MinimumTimeInterval which define a hard minimum limit between two consecutive shots in auto mode. This is needed to ensure camera can keep up with trigger without loosing shots

• LP-385 - Get system timestamp coherently with system module