class DJILightbridgeLink

@interface DJILightbridgeLink : NSObject

Header:	DJILightbridgeLink.h
Inherits From:	`NSObject`
SDK Key:	DJIAirLinkKey.DJIAirLinkLightbridgeLinkSubComponent

Description:

This class contains methods to change settings of the Lightbridge Air Link.

Class Members:

Actions

Downlink Channel Selection Mode

method

setChannelSelectionMode:withCompletion

method setChannelSelectionMode:withCompletion

- (void)setChannelSelectionMode:(DJILightbridgeChannelSelectionMode)mode
                 withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamChannelSelectionMode

Description:

Sets the downlink channel selection mode (automatic or manual).

Input Parameters:

DJILightbridgeChannelSelectionMode mode	Channel selection mode for the air link.
DJICompletionBlock completion	Completion block.

method

getChannelSelectionModeWithCompletion

method getChannelSelectionModeWithCompletion

- (void)getChannelSelectionModeWithCompletion:(void (^_Nonnull)(DJILightbridgeChannelSelectionMode mode,
                                                                NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamChannelSelectionMode

Description:

Gets the downlink channel selection mode.

Input Parameters:

DJILightbridgeChannelSelectionMode mode	The DJILBAirLinkChannelSelectionMode object.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgeChannelSelectionMode mode, NSError *_Nullable error) completion	Completion block.

Change Range

method

getChannelRangeWithCompletion

method getChannelRangeWithCompletion

- (void)getChannelRangeWithCompletion:(void (^_Nonnull)(NSRange channelRange,
                                                        NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamChannelRange

Description:

Gets the channels available for the current frequency band.

Input Parameters:

NSRange channelRange	The channel range.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(NSRange channelRange, NSError *_Nullable error) completion	Completion block.

Downlink Channel

method

setChannelNumber:withCompletion

method setChannelNumber:withCompletion

- (void)setChannelNumber:(int)channelNumber withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamChannelNumber

Description:

Sets the fixed downlink channel. Channel selection mode should be set to DJILightbridgeChannelSelectionModeManual. The valid range of channel can be obtained from getChannelRangeWithCompletion.

Input Parameters:

int channelNumber	Specific channel for the air link.
DJICompletionBlock completion	Completion block.

method

getChannelNumberWithCompletion

method getChannelNumberWithCompletion

- (void)getChannelNumberWithCompletion:(void (^_Nonnull)(int channelNumber,
                                                         NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamChannelNumber

Description:

Gets current downlink channel of air link.

Input Parameters:

int channelNumber	The channel number.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(int channelNumber, NSError *_Nullable error) completion	Completion block.

Downlink Data Rate

method

setDataRate:withCompletion

method setDataRate:withCompletion

- (void)setDataRate:(DJILightbridgeDataRate)rate
     withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamDataRate

Description:

Sets the downlink data rate (throughput). Higher data rates increase the quality of video transmission, but can only be used at shorter ranges.

Input Parameters:

DJILightbridgeDataRate rate	Fixed rate (throughput).
DJICompletionBlock completion	Completion block.

method

getDataRateWithCompletion

method getDataRateWithCompletion

- (void)getDataRateWithCompletion:(void (^_Nonnull)(DJILightbridgeDataRate rate,
                                                    NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamDataRate

Description:

Gets the current downlink data rate (throughput).

Input Parameters:

DJILightbridgeDataRate rate	The DJILBAirLinkDataRate object.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgeDataRate rate, NSError *_Nullable error) completion	Completion block.

FPV Video Quality vs Latency

method

setTransmissionMode:withCompletion

method setTransmissionMode:withCompletion

- (void)setTransmissionMode:(DJILightbridgeTransmissionMode)mode
             withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamTransmissionMode

Description:

Sets FPV video quality vs latency preference. This mode only affects the FPV camera and not the camera on the HD Gimbal.

Input Parameters:

DJILightbridgeTransmissionMode mode	Quality vs Latency tradeoff for the FPV video
DJICompletionBlock completion	Completion block.

method

getTransmissionModeWithCompletion

method getTransmissionModeWithCompletion

- (void)getTransmissionModeWithCompletion:(void (^_Nonnull)(DJILightbridgeTransmissionMode transmissionMode,
                                                            NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamTransmissionMode

Description:

Gets FPV video quality vs latency preference. This mode only affects the FPV camera and not the camera on the HD Gimbal.

Input Parameters:

DJILightbridgeTransmissionMode transmissionMode	The DJILBAirLinkFPVVideoQualityLatency object.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgeTransmissionMode transmissionMode, NSError *_Nullable error) completion	Completion block.

Downlink Video Bandwidth

method

setBandwidthAllocationForLBVideoInputPort:withCompletion

method setBandwidthAllocationForLBVideoInputPort:withCompletion

- (void)setBandwidthAllocationForLBVideoInputPort:(float)percent
                                   withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamBandwidthAllocationForLBVideoInputPort

Description:

Sets the percentage downlink video bandwidth dedicated to the video feed from one of the LB input ports. The remaining percentage is dedicated to the video feed from EXT input port. Setting 100% dedicates all the video bandwidth to LB.

Input Parameters:

float percent	Percentage downlink bandwidth for video feed from LB port.
DJICompletionBlock completion	Completion block.

method

getBandwidthAllocationForLBVideoInputPortWithCompletion

method getBandwidthAllocationForLBVideoInputPortWithCompletion

- (void)getBandwidthAllocationForLBVideoInputPortWithCompletion:(void (^_Nonnull)(float percent,
                                                                                  NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamBandwidthAllocationForLBVideoInputPort

Description:

Gets the percentage downlink video bandwidth dedicated to the video feed from one of the LB input ports. The remaining percentage is dedicated to the video feed from EXT input port.

Input Parameters:

float percent	Percentage downlink bandwidth for video feed from LB port.
NSError *_Nullable error	Error encountered during the request. If the request is successful, it will be `nil`.
void (^_Nonnull)(float percent, NSError *_Nullable error) completion	Completion block.

Bandwidth Allocation

method

setBandwidthAllocationForMainCamera:withCompletion

method setBandwidthAllocationForMainCamera:withCompletion

- (void)setBandwidthAllocationForMainCamera:(float)percent
                             withCompletion:(DJICompletionBlock)completion

Header:

DJILightbridgeLink.h

Description:

Sets the percentage downlink video bandwidth dedicated to the main camera or main cameras (for M210 and M210 RTK). The remaining percentage is dedicated to the FPV camera. For M210 and M210 RTK, the bandwidth for main cameras can be further divided by calling setBandwidthAllocationForLeftCamera:withCompletion. It is only supported by Inspire 2 and M200 series.

Input Parameters:

float percent	Percentage downlink bandwidth for main camera(s).
DJICompletionBlock completion	Completion block.

method

getBandwidthAllocationForMainCameraWithCompletion

method getBandwidthAllocationForMainCameraWithCompletion

- (void)getBandwidthAllocationForMainCameraWithCompletion:(void (^_Nonnull)(float percent,
                                                                            NSError *_Nullable error))completion

Header:

DJILightbridgeLink.h

Description:

Gets the percentage downlink video bandwidth dedicated to the main camera or main cameras (for M210 and M210 RTK). The remaining percentage is dedicated to the FPV camera. It is only supported by Inspire 2 and M200 series.

Input Parameters:

float percent	Percentage downlink bandwidth for main camera(s).
NSError *_Nullable error	Error encountered during the request. If the request is successful, it will be `nil`.
void (^_Nonnull)(float percent, NSError *_Nullable error) completion	Completion block.

method

setBandwidthAllocationForLeftCamera:withCompletion

method setBandwidthAllocationForLeftCamera:withCompletion

- (void)setBandwidthAllocationForLeftCamera:(float)percent withCompletion:(DJICompletionBlock)completion

Header:

DJILightbridgeLink.h

Description:

Sets the percentage of the main cameras' bandwidth dedicated to the left camera. The remaining percentage is dedicated to the right camera. The main cameras' bandwidth is determined by setBandwidthAllocationForMainCamera:withCompletion.
This setting will influence the physical sources of video feeds (primaryVideoFeed and secondaryVideoFeed):

- When bandwidth is 100% on the left camera, the primary source is DJIVideoFeedPhysicalSourceLeftCamera and the secondary source is DJIVideoFeedPhysicalSourceFPVCamera.
- When bandwidth 0% on the left camera, the primary source is DJIVideoFeedPhysicalSourceRightCamera and the secondary source is DJIVideoFeedPhysicalSourceFPVCamera.
- When bandwidth is neither 0% nor 100% on the left camera, the primary source is DJIVideoFeedPhysicalSourceLeftCamera and the secondary source is DJIVideoFeedPhysicalSourceRightCamera. It is only supported by M210 and M210 RTK.

Input Parameters:

float percent	Percentage downlink bandwidth for FPV camera.
DJICompletionBlock completion	Completion block.

method

getBandwidthAllocationForLeftCameraWithCompletion

method getBandwidthAllocationForLeftCameraWithCompletion

- (void)getBandwidthAllocationForLeftCameraWithCompletion:(void (^_Nonnull)(float percent, NSError *_Nullable error))completion

Header:

DJILightbridgeLink.h

Description:

When a product has multiple main cameras, this method gets the percentage bandwidth allocation dedicated to the port (left) camera. The remaining percentage is dedicated to the starboard (right) camera. The total bandwidth allocated to both main cameras (vs the FPV camera) is determined by setBandwidthAllocationForMainCamera:withCompletion.
This setting will influence the physical sources of video feeds (primaryVideoFeed and secondaryVideoFeed):
- When bandwidth is 100% on the left camera, the primary source is DJIVideoFeedPhysicalSourceLeftCamera and the secondary source is DJIVideoFeedPhysicalSourceFPVCamera.
- When bandwidth is 0% on the left camera, the primary source is DJIVideoFeedPhysicalSourceRightCamera and the secondary source is DJIVideoFeedPhysicalSourceFPVCamera.
- When bandwidth is neither 0% nor 100% on the left camera, the primary source is DJIVideoFeedPhysicalSourceLeftCamera and the secondary source is DJIVideoFeedPhysicalSourceRightCamera.
It is only supported by M210 and M210 RTK.

Input Parameters:

float percent	Percentage downlink bandwidth for FPV camera.
NSError *_Nullable error	Error encountered during the request. If the request is successful, it will be `nil`.
void (^_Nonnull)(float percent, NSError *_Nullable error) completion	Completion block.

Check Secondary Video Output Supported

method

isSecondaryVideoOutputSupported

method isSecondaryVideoOutputSupported

- (BOOL)isSecondaryVideoOutputSupported

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamIsSecondaryVideoOutputSupported

Description:

Return whether secondary video output supported.

Return:

BOOL	A boolean value.

Secondary Video Output

method

setSecondaryVideoOutputEnabled:withCompletion

method setSecondaryVideoOutputEnabled:withCompletion

- (void)setSecondaryVideoOutputEnabled:(BOOL)enabled
                        withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputEnabled

Description:

Enable secondary video output on Remote Controller. The remote controller outputs video to the Mobile Device by default. This will enable a secondary video stream to one of the Remote Controller's physical HDMI and SDI ports.

Input Parameters:

BOOL enabled	Enables secondary video output.
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoOutputEnabledWithCompletion

method getSecondaryVideoOutputEnabledWithCompletion

- (void)getSecondaryVideoOutputEnabledWithCompletion:(void (^_Nonnull)(BOOL enabled,
                                                                       NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputEnabled

Description:

Gets whether secondary video output on Remote Controller is enabled. The Remote Controller outputs video to the Mobile Device by default, but a secondary video can be routed to its HDMI or SDI port. Use setSecondaryVideoOutputEnabled:withCompletion to enable or disable, and setSecondaryVideoOutputPort:withCompletion to choose the port.

Input Parameters:

BOOL enabled	The enabled value.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(BOOL enabled, NSError *_Nullable error) completion	Completion block.

method

setSecondaryVideoOutputPort:withCompletion

method setSecondaryVideoOutputPort:withCompletion

- (void)setSecondaryVideoOutputPort:(DJILightbridgeSecondaryVideoOutputPort)port
                     withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputPort

Description:

Sets secondary video output port on Remote Controller. HDMI or SDI are possible. Only one port can be active at once.

Input Parameters:

DJILightbridgeSecondaryVideoOutputPort port	Secondary video output port.
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoOutputPortWithCompletion

method getSecondaryVideoOutputPortWithCompletion

- (void)getSecondaryVideoOutputPortWithCompletion:(void (^_Nonnull)(DJILightbridgeSecondaryVideoOutputPort port,
                                                                    NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputPort

Description:

Gets the secondary video output port on Remote Controller. HDMI or SDI are possible. Only one port can be active at once.

Input Parameters:

DJILightbridgeSecondaryVideoOutputPort port	The value the `DJILightbridgeSecondaryVideoOutputPort` Enum.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgeSecondaryVideoOutputPort port, NSError *_Nullable error) completion	Completion block.

PIP Display

method

setSecondaryVideoDisplayMode:withCompletion

method setSecondaryVideoDisplayMode:withCompletion

- (void)setSecondaryVideoDisplayMode:(DJILightbridgeSecondaryVideoDisplayMode)mode
                      withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoDisplayMode

Description:

Sets the secondary video output Picture in Picture (PIP) display mode. The air link module can connect to both an FPV camera (through the HDMI and AV ports) and a camera mounted on the HD Gimbal (through the Gimbal port). The output video can then be a combination of the two video sources. Either a single video source can be displayed, or one can be displayed within the other (as a Picture in Picture, or PIP). If the mode is set incorrectly, then no output video will be displayed.

Input Parameters:

DJILightbridgeSecondaryVideoDisplayMode mode	Picture in Picture (PIP) display mode.
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoDisplayModeWithCompletion

method getSecondaryVideoDisplayModeWithCompletion

- (void)getSecondaryVideoDisplayModeWithCompletion:(void (^_Nonnull)(DJILightbridgeSecondaryVideoDisplayMode videoDisplayMode,
                                                                     NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoDisplayMode

Description:

Gets the secondary video output Picture in Picture (PIP) display mode. The air link module can connect to both an FPV camera (through the HDMI and AV ports) and a camera mounted on the HD Gimbal (through the Gimbal port). The output video can then be a combination of the two video sources. Either a single video source can be displayed, or one can be displayed within the other (as a Picture in Picture, or PIP).

Input Parameters:

DJILightbridgeSecondaryVideoDisplayMode videoDisplayMode	The value of the `DJILightbridgeSecondaryVideoDisplayMode` Enum.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgeSecondaryVideoDisplayMode videoDisplayMode, NSError *_Nullable error) completion	Completion block to receive the result.

On Screen Display

method

setSecondaryVideoOSDEnabled:withCompletion

method setSecondaryVideoOSDEnabled:withCompletion

- (void)setSecondaryVideoOSDEnabled:(BOOL)enabled
                     withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDEnabled

Description:

Enables and disables On Screen Display (OSD) overlay on the secondary video. OSD is flight data like altitude, attitude etc. and can be overlayed on the PIP video.

Input Parameters:

BOOL enabled	Determines whether to display OSD on screen.
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoOSDEnabled

method getSecondaryVideoOSDEnabled

- (void)getSecondaryVideoOSDEnabled:(void (^_Nonnull)(BOOL enabled,
                                                      NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDEnabled

Description:

Determines whether On Screen Display (OSD) is overlayed on the video feed.

Input Parameters:

BOOL enabled	The enabled value.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(BOOL enabled, NSError *_Nullable error) completion	Completion block to receive the result.

OSD Top Margin

method

setSecondaryVideoOSDTopMargin:withCompletion

method setSecondaryVideoOSDTopMargin:withCompletion

- (void)setSecondaryVideoOSDTopMargin:(NSUInteger)margin
                       withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDTopMargin

Description:

Sets the OSD top margin in video pixels.

Input Parameters:

NSUInteger margin	Top margin of OSD. The range is [0, 50].
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoOSDTopMarginWithCompletion

method getSecondaryVideoOSDTopMarginWithCompletion

- (void)getSecondaryVideoOSDTopMarginWithCompletion:(void (^_Nonnull)(NSUInteger margin,
                                                                      NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDTopMargin

Description:

Gets the OSD top margin in video pixels.

Input Parameters:

NSUInteger margin	The OSD top margin value.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(NSUInteger margin, NSError *_Nullable error) completion	Completion block to receive the result.

OSD Left Margin

method

setSecondaryVideoOSDLeftMargin:withCompletion

method setSecondaryVideoOSDLeftMargin:withCompletion

- (void)setSecondaryVideoOSDLeftMargin:(NSUInteger)margin
                        withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDLeftMargin

Description:

Sets the OSD left margin in video pixels.

Input Parameters:

NSUInteger margin	Left margin of OSD. The range is [0, 50].
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoOSDLeftMarginWithCompletion

method getSecondaryVideoOSDLeftMarginWithCompletion

- (void)getSecondaryVideoOSDLeftMarginWithCompletion:(void (^_Nonnull)(NSUInteger margin,
                                                                       NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDLeftMargin

Description:

Gets the OSD left margin in video pixels.

Input Parameters:

NSUInteger margin	The OSD left margin value.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(NSUInteger margin, NSError *_Nullable error) completion	Completion block to receive the result.

method

setSecondaryVideoOSDBottomMargin:withCompletion

method setSecondaryVideoOSDBottomMargin:withCompletion

- (void)setSecondaryVideoOSDBottomMargin:(NSUInteger)margin
                          withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDBottomMargin

Description:

Sets the OSD bottom margin in video pixels.

Input Parameters:

NSUInteger margin	Bottom margin of OSD. The range is [0, 50].
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoOSDBottomMarginWithCompletion

method getSecondaryVideoOSDBottomMarginWithCompletion

- (void)getSecondaryVideoOSDBottomMarginWithCompletion:(void (^_Nonnull)(NSUInteger margin,
                                                                         NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDBottomMargin

Description:

Gets the OSD bottom margin in video pixels.

Input Parameters:

NSUInteger margin	The OSD bottom margin value.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(NSUInteger margin, NSError *_Nullable error) completion	Completion block to receive the result.

OSD Right Margin

method

setSecondaryVideoOSDRightMargin:withCompletion

method setSecondaryVideoOSDRightMargin:withCompletion

- (void)setSecondaryVideoOSDRightMargin:(NSUInteger)margin
                         withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDRightMargin

Description:

Sets the OSD right margin in video pixels.

Input Parameters:

NSUInteger margin	Right margin of OSD. The range is [0, 50].
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoOSDRightMarginWithCompletion

method getSecondaryVideoOSDRightMarginWithCompletion

- (void)getSecondaryVideoOSDRightMarginWithCompletion:(void (^_Nonnull)(NSUInteger margin,
                                                                        NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDRightMargin

Description:

Gets the OSD right margin in video pixels.

Input Parameters:

NSUInteger margin	The OSD right margin value.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(NSUInteger margin, NSError *_Nullable error) completion	Completion block to receive the result.

OSD Units

method

setSecondaryVideoOSDUnit:withCompletion

method setSecondaryVideoOSDUnit:withCompletion

- (void)setSecondaryVideoOSDUnit:(DJILightbridgeSecondaryVideoOSDUnit)unit
                  withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDUnit

Description:

Sets the OSD units to either metric or imperial.

Input Parameters:

DJILightbridgeSecondaryVideoOSDUnit unit	OSD units.
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoOSDUnitWithCompletion

method getSecondaryVideoOSDUnitWithCompletion

- (void)getSecondaryVideoOSDUnitWithCompletion:(void (^_Nonnull)(DJILightbridgeSecondaryVideoOSDUnit unit,
                                                                 NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDUnit

Description:

Gets the OSD units (metric or imperial).

Input Parameters:

DJILightbridgeSecondaryVideoOSDUnit unit	The value of the `DJILightbridgeSecondaryVideoOSDUnit` Enum.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgeSecondaryVideoOSDUnit unit, NSError *_Nullable error) completion	Completion block to receive the result.

Output Format

method

setSecondaryVideoOutputFormat:forPort:withCompletion

method setSecondaryVideoOutputFormat:forPort:withCompletion

- (void)setSecondaryVideoOutputFormat:(DJILightbridgeSecondaryVideoFormat)format
                              forPort:(DJILightbridgeSecondaryVideoOutputPort)port
                       withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputFormatForHDMI, DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputFormatForSDI

Description:

Sets the Remote Controller HDMI video port output video format.

Input Parameters:

DJILightbridgeSecondaryVideoOutputPort port	The value of the `DJILightbridgeSecondaryVideoOutputPort` Enum.
DJILightbridgeSecondaryVideoFormat format	The value of the `DJILightbridgeSecondaryVideoFormat` Enum.
DJICompletionBlock completion	Completion block to receive the result.

Output Format For Port

method

getSecondaryVideoOutputFormatForPort:withCompletion

method getSecondaryVideoOutputFormatForPort:withCompletion

- (void)getSecondaryVideoOutputFormatForPort:(DJILightbridgeSecondaryVideoOutputPort)port
                              withCompletion:(void (^_Nonnull)(DJILightbridgeSecondaryVideoFormat format,
                                                               NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputFormatForHDMI, DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputFormatForSDI

Description:

Gets the Remote Controller HDMI video port output video format.

Input Parameters:

DJILightbridgeSecondaryVideoOutputPort port	The value of the `DJILightbridgeSecondaryVideoOutputPort` Enum.
DJILightbridgeSecondaryVideoFormat format	The value of the `DJILightbridgeSecondaryVideoFormat` Enum.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgeSecondaryVideoFormat format, NSError *_Nullable error) completion	Completion block to receive the result.

PIP Position

method

setSecondaryVideoPIPPosition:withCompletion

method setSecondaryVideoPIPPosition:withCompletion

- (void)setSecondaryVideoPIPPosition:(DJILightbridgePIPPosition)position
                      withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoPIPPosition

Description:

Sets the PIP (Picture In Picture) position relative to the top left corner of the main subject video feed.

Input Parameters:

DJILightbridgePIPPosition position	Position of the PIP on the screen.
DJICompletionBlock completion	Completion block.

method

getSecondaryVideoPIPPositionWithCompletion

method getSecondaryVideoPIPPositionWithCompletion

- (void)getSecondaryVideoPIPPositionWithCompletion:(void (^_Nonnull)(DJILightbridgePIPPosition position,
                                                                     NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoPIPPosition

Description:

Gets the PIP (Picture In Picture) position relative to the top left corner of the main subject video feed.

Input Parameters:

DJILightbridgePIPPosition position	The value of the `DJILightbridgePIPPosition` Enum.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgePIPPosition position, NSError *_Nullable error) completion	Completion block to receive the result.

Check Dual Encode Mode Supported

method

canEXTVideoInputPortBeDisabled

method canEXTVideoInputPortBeDisabled

-(BOOL) canEXTVideoInputPortBeDisabled

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamIsDualEncodeModeSupported

Description:

YES if Lightbridge 2 device supports dual encode mode. Dual encode mode allows the Lightbridge module to encode and transmit both it's AV and HDMI inputs simultaneously.

Return:

BOOL	A boolean value.

Encode Mode

method

setEXTVideoInputPortEnabled:withCompletion

method setEXTVideoInputPortEnabled:withCompletion

- (void)setEXTVideoInputPortEnabled:(BOOL)enabled
                     withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamEXTVideoInputPortEnabled

Description:

Sets Lightbridge 2 encode mode. It is only available when canEXTVideoInputPortBeDisabled returns YES. For Lightbridge 2 modules that don't support dual encode mode, the encode mode is always single.

Input Parameters:

BOOL enabled	The encode mode to set.
DJICompletionBlock completion	Completion block.

method

getEXTVideoInputPortEnabledWithCompletion

method getEXTVideoInputPortEnabledWithCompletion

- (void)getEXTVideoInputPortEnabledWithCompletion:(void (^_Nonnull)(BOOL enabled,
                                                                    NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamEXTVideoInputPortEnabled

Description:

Gets Lightbridge 2 encode mode. It is only available when canEXTVideoInputPortBeDisabled returns YES. For Lightbridge 2 modules that don't support dual encode mode, the encode mode is always single.

Input Parameters:

BOOL enabled	`YES` if EXT video input port is enabled.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(BOOL enabled, NSError *_Nullable error) completion	Completion block to receive the result.

method

getBandwidthAllocationForHDMIVideoInputPortWithCompletion

method getBandwidthAllocationForHDMIVideoInputPortWithCompletion

- (void)getBandwidthAllocationForHDMIVideoInputPortWithCompletion:(void (^_Nonnull)(float percent,
                                                                                    NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamBandwidthAllocationForHDMIVideoInputPort

Description:

Gets the computational power and bandwidth balance between AV and HDMI inputs on the Lightbridge 2 module when dual encode mode is enabled. It is only available when canEXTVideoInputPortBeDisabled returns YES. When percent is 0.0, all resources are allocated for video data from AV port. When percent is 1.0, all resources are allocated for video data from HDMI port.

Input Parameters:

float percent	The percent value.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(float percent, NSError *_Nullable error) completion	Completion block to receive the result.

Dual Encode Mode Percent

method

setBandwidthAllocationForHDMIVideoInputPort:withCompletion

method setBandwidthAllocationForHDMIVideoInputPort:withCompletion

- (void)setBandwidthAllocationForHDMIVideoInputPort:(float)percent
                                     withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamBandwidthAllocationForHDMIVideoInputPort

Description:

Sets the computational power and bandwidth balance between AV and HDMI inputs on the Lightbridge 2 module when dual encode mode is enabled. Balance is in percent [0.0, 1.0]. It is only available when canEXTVideoInputPortBeDisabled returns YES. When percent is 0.0, all resources are allocated for video data from AV port. When percent is 1.0, all resources are allocated for video data from HDMI port.

Input Parameters:

float percent	Percentage resources dedicated to HDMI encoding and transmission.
DJICompletionBlock completion	Completion block.

Get Supported Frequency Band

method

getSupportedFrequencyBandsWithCompletion

method getSupportedFrequencyBandsWithCompletion

- (void)getSupportedFrequencyBandsWithCompletion:(void (^_Nonnull)(NSArray<NSNumber *> *_Nullable frequencyBands,
                                                                   NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSupportedFrequencyBands

Description:

Gets the frequency bands supported by the product in the current area. It is only supported by Inspire 2 and Phantom 4 Pro. For the other products with LB air link, the frequency band is always 2.4 GHz.

Input Parameters:

NSArray<NSNumber > _Nullable frequencyBands	The array of the `DJILightbridgeFrequencyBand` values.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(NSArray<NSNumber > _Nullable frequencyBands, NSError *_Nullable error) completion	Completion block to receive the result.

Frequency Band

method

setFrequencyBand:withCompletion

method setFrequencyBand:withCompletion

- (void)setFrequencyBand:(DJILightbridgeFrequencyBand)frequencyBand
          withCompletion:(DJICompletionBlock)completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamFrequencyBand

Description:

Sets the LB air link frequency band. It is only supported by Inspire 2 and Phantom 4 Pro. For the other products with LB air link, the frequency band is always 2.4 GHz.

Input Parameters:

DJILightbridgeFrequencyBand frequencyBand	LBAirLink frequency band to change to.
DJICompletionBlock completion	Remote execution result error block.

method

getFrequencyBandWithCompletion

method getFrequencyBandWithCompletion

- (void)getFrequencyBandWithCompletion:(void (^_Nonnull)(DJILightbridgeFrequencyBand frequencyBand,
                                                         NSError *_Nullable error))completion

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamFrequencyBand

Description:

Gets the LB air link frequency band. It is only supported by Inspire 2 and Phantom 4 Pro. For the other products with LB air link, the frequency band is always 2.4 GHz.

Input Parameters:

DJILightbridgeFrequencyBand frequencyBand	The current frequency band.
NSError *_Nullable error	Error retrieving the value.
void (^_Nonnull)(DJILightbridgeFrequencyBand frequencyBand, NSError *_Nullable error) completion	Completion block to receive the result.

method

setLiveViewSimultaneousOutputEnabled:withCompletion

method setLiveViewSimultaneousOutputEnabled:withCompletion

-(void) setLiveViewSimultaneousOutputEnabled:(BOOL)enabled withCompletion:(DJICompletionBlock)completion

Header:

DJILightbridgeLink.h

Description:

Enables the setting to output video to both the mobile device and the HDMI port on the remote controller simultaneously. When it is disabled and the remote controller is connected to a HDMI display, the mobile device will not receive the live view. It is only supported by Inspire 1 and M100.

Input Parameters:

BOOL enabled	`YES` to enable live view simultaneous output.
DJICompletionBlock completion	Completion block to receive the result.

method

getLiveViewSimultaneousOutputEnabledWithCompletion

method getLiveViewSimultaneousOutputEnabledWithCompletion

-(void) getLiveViewSimultaneousOutputEnabledWithCompletion:(void(^_Nonnull)(BOOL enabled, NSError* _Nullable error))completion

Header:

DJILightbridgeLink.h

Description:

Determines whether the setting to output video to both the mobile device and the HDMI port on the remote controller simultaneously is enabled or not. When it is disabled and the remote controller is connected to a HDMI display, the mobile device will not receive the live view. It is only supported by Inspire 1 and M100.

Input Parameters:

BOOL enabled	`YES` if enabled.
NSError* _Nullable error	Error retrieving the value.
void(^_Nonnull)(BOOL enabled, NSError* _Nullable error) completion	Completion block to receive the result.

class

DJILightbridgeChannelInterference

enum

DJILightbridgeFrequencyBand

enum DJILightbridgeFrequencyBand

typedef NS_ENUM (uint8_t, DJILightbridgeFrequencyBand)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamFrequencyBand

Description:

LBAirLink frequency band. Supported only by Phantom 4 Professional.

Enum Members:

DJILightbridgeFrequencyBand2Dot4GHz	The LBAirLink Frequency band is 2.4 GHz.
DJILightbridgeFrequencyBand5Dot7GHz	The LBAirLink Frequency band is 5.7 GHz.
DJILightbridgeFrequencyBand5Dot8GHz	The LBAirLink Frequency band is 5.8 GHz.
DJILightbridgeFrequencyBandUnknown	The LBAirLink Frequency is unknown.

enum

DJILightbridgeChannelSelectionMode

enum DJILightbridgeChannelSelectionMode

typedef NS_ENUM (uint8_t, DJILightbridgeChannelSelectionMode)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamChannelSelectionMode

Description:

Downlink channel selection mode (manual or automatic) for the wireless link.

Enum Members:

DJILightbridgeChannelSelectionModeAuto	Air link will automatically select the best physical channel based on the signal environment.
DJILightbridgeChannelSelectionModeManual	Manually select the physical channel.
DJILightbridgeChannelSelectionModeUnknown	Unknown physical channel selection mode.

enum

DJILightbridgeSecondaryVideoOSDUnit

enum DJILightbridgeSecondaryVideoOSDUnit

typedef NS_ENUM (uint8_t, DJILightbridgeSecondaryVideoOSDUnit)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOSDUnit

Description:

OSD data units.

Enum Members:

DJILightbridgeSecondaryVideoOSDUnitImperial	Imperial.
DJILightbridgeSecondaryVideoOSDUnitMetric	Metric.
DJILightbridgeSecondaryVideoOSDUnitUnknown	Unknown.

enum

DJILightbridgeSecondaryVideoOutputPort

enum DJILightbridgeSecondaryVideoOutputPort

typedef NS_ENUM (uint8_t, DJILightbridgeSecondaryVideoOutputPort)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputPort

Description:

Remote Controller port to which to send secondary video (in addition to USB video sent to the Mobile Device).

Enum Members:

DJILightbridgeSecondaryVideoOutputPortHDMI	HDMI port.
DJILightbridgeSecondaryVideoOutputPortSDI	SDI port.
DJILightbridgeSecondaryVideoOutputPortUnknown	Unknown.

enum

DJILightbridgeSecondaryVideoDisplayMode

enum DJILightbridgeSecondaryVideoDisplayMode

typedef NS_ENUM (uint8_t, DJILightbridgeSecondaryVideoDisplayMode)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoDisplayMode

Description:

Defines the combination of video sources to form the secondary output video. The secondary output can display video streams from one or two input sources. When the encode mode is single:
Source 1 represents video from one of the Source1Only input ports (HDMI or AV).
Source 2 represents video from EXT input port (HD Gimbal Camera).
When the encode mode is dual:
Source 1 represents video from HDMI input port.
Source 2 represents video from AV input port.

Enum Members:

DJILightbridgeSecondaryVideoDisplayModeSource1Only	Displays video from Source 1 only. When the current encode mode is single, the secondary output will display video from HDMI or AV input. When the current encode mode is dual, the secondary output will display video from HDMI input.
DJILightbridgeSecondaryVideoDisplayModeSource2Only	Displays video from Source 2 only. When the current encode mode is single, the secondary output will display video from HD Gimbal camera. When the current encode mode is dual, the secondary output will display video from AV input.
DJILightbridgeSecondaryVideoDisplayModePIPSource1Main	Displays the video from Source 1 as the main subject, and the video from Source 2 in a mini window (Picture in Picture, or PIP).
DJILightbridgeSecondaryVideoDisplayModePIPSource2Main	Displays the video from Source 2 as the main subject, and the video from Source 1 in a mini window (Picture in Picture, or PIP).
DJILightbridgeSecondaryVideoDisplayModeUnknown	Unknown output mode.

enum

DJILightbridgeSecondaryVideoFormat

enum DJILightbridgeSecondaryVideoFormat

typedef NS_ENUM (uint8_t, DJILightbridgeSecondaryVideoFormat)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputFormatForHDMI, DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoOutputFormatForSDI

Description:

Secondary output video resolution and frame rate.

Enum Members:

DJILightbridgeSecondaryVideoFormat1080I60FPS	1080I 60FPS.
DJILightbridgeSecondaryVideoFormat1080I50FPS	1080I 50FPS.
DJILightbridgeSecondaryVideoFormat1080P60FPS	1080P 60FPS.
DJILightbridgeSecondaryVideoFormat1080P50FPS	1080P 50FPS.
DJILightbridgeSecondaryVideoFormat1080P30FPS	1080P 30FPS.
DJILightbridgeSecondaryVideoFormat1080P25FPS	1080P 25FPS.
DJILightbridgeSecondaryVideoFormat1080P24FPS	1080P 24FPS.
DJILightbridgeSecondaryVideoFormat720P60FPS	720P 60FPS.
DJILightbridgeSecondaryVideoFormat720P50FPS	720P 50FPS.
DJILightbridgeSecondaryVideoFormat720P30FPS	720P 30FPS.
DJILightbridgeSecondaryVideoFormat720P25FPS	720P 25FPS.
DJILightbridgeSecondaryVideoFormat720P24FPS	720P 24FPS.
DJILightbridgeSecondaryVideoFormatUnknown	Unknown.

enum

DJILightbridgePIPPosition

enum DJILightbridgePIPPosition

typedef NS_ENUM (uint8_t, DJILightbridgePIPPosition)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamSecondaryVideoPIPPosition

Description:

PIP (Picture In Picture) position on the screen relative to the main subject video.

Enum Members:

DJILightbridgePIPPositionTopLeft	PIP is on the screen's top left.
DJILightbridgePIPPositionTopRight	PIP is on the screen's top right.
DJILightbridgePIPPositionBottomLeft	PIP is on the screen's bottom left.
DJILightbridgePIPPositionBottomRight	PIP is on the screen's bottom right.
DJILightbridgePIPPositionUnknown	Unknown PIP position.

enum

DJILightbridgeTransmissionMode

enum DJILightbridgeTransmissionMode

typedef NS_ENUM (uint8_t, DJILightbridgeTransmissionMode)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamTransmissionMode

Description:

FPV(First-person view) Video can prioritize either quality or latency.

Enum Members:

DJILightbridgeTransmissionModeHighQuality	High quality priority.
DJILightbridgeTransmissionModeLowLatency	Low latency priority.
DJILightbridgeTransmissionModeUnknown	Unknown.

enum

DJILightbridgeDataRate

enum DJILightbridgeDataRate

typedef NS_ENUM (uint8_t, DJILightbridgeDataRate)

Header:	DJIAirLinkBaseTypes.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamDataRate

Description:

Wireless downlink data rate. Lower rates are used for longer ranges, but will have lower video quality.

Enum Members:

DJILightbridgeDataRate4Mbps	4 Mbps (Potential range up to 3 km)
DJILightbridgeDataRate6Mbps	6 Mbps (Potential range up to 2 km)
DJILightbridgeDataRate8Mbps	8 Mbps (Potential range up to 1.5 km)
DJILightbridgeDataRate10Mbps	10 Mbps (Potential range up to 0.7 km)
DJILightbridgeDataRateUnknown	Unknown.

class

DJILightbridgeAntennaRSSI

protocol

DJILightbridgeLinkDelegate

protocol DJILightbridgeLinkDelegate

@protocol DJILightbridgeLinkDelegate <NSObject>

Header:	DJILightbridgeLink.h
Inherits From:	`NSObject`

Description:

This protocol provides delegate methods to receive updated signal information for channels and updated video data from Lightbridge 2.

Protocol Methods:

Protocol Method

State

method

lightbridgeLink:didUpdateRemoteControllerAntennaRSSI

method lightbridgeLink:didUpdateRemoteControllerAntennaRSSI

@optional
- (void)lightbridgeLink:(DJILightbridgeLink *_Nonnull)lightbridgeLink didUpdateRemoteControllerAntennaRSSI:(DJILightbridgeAntennaRSSI * _Nonnull)rssi

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamRemoteControllerAntennaRSSI

Description:

Signal quality and strength information for current uplink channel on each Remote Controller antenna.

Input Parameters:

DJILightbridgeLink *_Nonnull lightbridgeLink	An `DJILightbridgeLink` instance.
DJILightbridgeAntennaRSSI * _Nonnull rssi	An `DJILightbridgeAntennaRSSI` instance.

method

lightbridgeLink:didUpdateAircraftAntennaRSSI

method lightbridgeLink:didUpdateAircraftAntennaRSSI

@optional
- (void)lightbridgeLink:(DJILightbridgeLink *_Nonnull)lightbridgeLink didUpdateAircraftAntennaRSSI:(DJILightbridgeAntennaRSSI * _Nonnull)rssi

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamAircraftAntennaRSSI

Description:

Signal quality and strength information for current downlink channel on each air link module antenna.

Input Parameters:

DJILightbridgeLink *_Nonnull lightbridgeLink	An `DJILightbridgeLink` instance.
DJILightbridgeAntennaRSSI * _Nonnull rssi	An `DJILightbridgeAntennaRSSI` instance.

method

lightbridgeLink:didUpdateChannelInterference

method lightbridgeLink:didUpdateChannelInterference

@optional
-(void) lightbridgeLink:(DJILightbridgeLink *)lightbridgeLink didUpdateChannelInterference:(NSArray <DJILightbridgeChannelInterference *> *)interference

Header:	DJILightbridgeLink.h
SDK Key:	DJIAirLinkKey.DJILightbridgeLinkParamChannelInterference

Description:

Signal strength of all signals present on all available downlink channels. Signals that are not the communication signal are considered interference.

Input Parameters:

DJILightbridgeLink * lightbridgeLink	`DJILightbridgeLink` instance.
NSArray <DJILightbridgeChannelInterference > interference	The updated interference information. The elements in the array of 'DJILBAirLinkChannelInterference' objects each hold the interference signal strength of a channel. Elements are sorted by increasing channel number.

State Updates

property

delegate

property delegate

@property(nonatomic, weak) id<DJILightbridgeLinkDelegate> delegate

Header:

DJILightbridgeLink.h

Description:

Returns the DJILBAirLink delegate.