Enable Up/Down reference for artificial horizon in OSD

This mod adds an arrow symbol showing the location of the up/down on the OSD.  The arrow direction points in the direction of up or down.

Update osd_elements.c

Making the Up/Down OSD reference its own element

Removing the Up/Down reference from the artificial horizon and making a specific element for this feature.  Activation via CLI (for now)

Updates to Up/Down refernce OSD element

Changed the up/down reference so that it is its own separarte element.  The position is absolute on the screen and immutable by the user for consistent operation. Updated settings to include CLI option for turning the feature on and off.

Update cms_menu_osd.c

Updated file to add Up/Down reference selection from OSD menu

Updates to simplify/correct Up/Down OSD element

Simplified/corrected logic and removed arcsine function.  OSD up/down reference is now positionable by the user in the configurator.

Tweaks and codestyle updates

Feedback from Michael Keller

Updates to Up/Down OSD indicator

Created a bounding box of +/- 25 degrees for indicator

Coding style correction

minor correction to match BF coding style

Enable Up/Down reference in OSD

This mod adds an arrow symbol showing the location of the up/down on the OSD.  The arrow direction points in the direction of up or down.

Update osd_elements.c

Making the Up/Down OSD reference its own element

Removing the Up/Down reference from the artificial horizon and making a specific element for this feature.  Activation via CLI (for now)

Updates to Up/Down refernce OSD element

Changed the up/down reference so that it is its own separarte element.  The position is absolute on the screen and immutable by the user for consistent operation. Updated settings to include CLI option for turning the feature on and off.

Updates to simplify/correct Up/Down OSD element

Simplified/corrected logic and removed arcsine function.  OSD up/down reference is now positionable by the user in the configurator.

Tweaks and codestyle updates

Feedback from Michael Keller

Enable Up/Down reference for artificial horizon in OSD

This mod adds an arrow symbol showing the location of the up/down on the OSD.  The arrow direction points in the direction of up or down.

Update osd_elements.c

Making the Up/Down OSD reference its own element

Removing the Up/Down reference from the artificial horizon and making a specific element for this feature.  Activation via CLI (for now)

Updates to Up/Down refernce OSD element

Changed the up/down reference so that it is its own separarte element.  The position is absolute on the screen and immutable by the user for consistent operation. Updated settings to include CLI option for turning the feature on and off.

Updates to simplify/correct Up/Down OSD element

Simplified/corrected logic and removed arcsine function.  OSD up/down reference is now positionable by the user in the configurator.

Tweaks and codestyle updates

Feedback from Michael Keller

Coding style correction

minor correction to match BF coding style

Enable Up/Down reference for artificial horizon in OSD

This mod adds an arrow symbol showing the location of the up/down on the OSD.  The arrow direction points in the direction of up or down.

Update osd_elements.c

Making the Up/Down OSD reference its own element

Removing the Up/Down reference from the artificial horizon and making a specific element for this feature.  Activation via CLI (for now)

Updates to Up/Down refernce OSD element

Changed the up/down reference so that it is its own separarte element.  The position is absolute on the screen and immutable by the user for consistent operation. Updated settings to include CLI option for turning the feature on and off.

Updates to simplify/correct Up/Down OSD element

Simplified/corrected logic and removed arcsine function.  OSD up/down reference is now positionable by the user in the configurator.

Tweaks and codestyle updates

Feedback from Michael Keller

Corrections to unit tests

Corrected unit tests link failing due to not being able to find rMat[3][3]

src/test/unit/link_quality_unittest.cc

@@ -64,6 +64,8 @@ extern "C" {
     #include "sensors/battery.h"
 
     attitudeEulerAngles_t attitude;
+    float rMat[3][3];
+
     pidProfile_t *currentPidProfile;
     int16_t rcData[MAX_SUPPORTED_RC_CHANNEL_COUNT];
     uint8_t GPS_numSat;