The header file of the high-speed data channel related functions is dji_high_speed_data_channel.h. This document describes the key information and usage of the structure and function prototypes in the dji_high_speed_data_channel.h file.

Catalog

• Definition, Enum and Struct
  T_DjiDataChannelBandwidthProportionOfHighspeedChannel

• Function
  DjiHighSpeedDataChannel_SetBandwidthProportion
  DjiHighSpeedDataChannel_GetDataStreamRemoteAddress
  DjiHighSpeedDataChannel_SendDataStreamData
  DjiHighSpeedDataChannel_GetDataStreamState

Definition, Enum and Struct

typedef struct T_DjiDataChannelBandwidthProportionOfHighspeedChannel

typedef struct {
    uint8_t dataStream; /*!< Bandwidth proportion of data stream, range from 0 to 100. */
    uint8_t videoStream; /*!< Bandwidth proportion of video stream, range from 0 to 100. */
    uint8_t downloadStream; /*!< Bandwidth proportion of download stream, range from 0 to 100. */
} T_DjiDataChannelBandwidthProportionOfHighspeedChannel;

Function

function DjiHighSpeedDataChannel_SetBandwidthProportion

Function:Set bandwidth proportion for the data stream, video stream and download stream of high-speed channel.

product：all

T_DjiReturnCode DjiHighSpeedDataChannel_SetBandwidthProportion(
    T_DjiDataChannelBandwidthProportionOfHighspeedChannel bandwidthProportion);

Parameter
bandwidthProportion：bandwidth proportion of each stream of high-speed channel. The Sum of bandwidth proportion must equal 100.

Return
The details for the return code please refer to: DjiErrorCode

function DjiHighSpeedDataChannel_GetDataStreamRemoteAddress

Function:Get the network remote address for sending data stream.

product：all

T_DjiReturnCode DjiHighSpeedDataChannel_GetDataStreamRemoteAddress(char *ipAddr, uint16_t *port);

Parameter
ipAddr：the remote ip address for sending data stream.

port：the remote port for sending data stream.

Return
The details for the return code please refer to: DjiErrorCode

发送数据流数据

function DjiHighSpeedDataChannel_SendDataStreamData

Function:Send data to mobile end via data stream of the data channel.

product：all

T_DjiReturnCode DjiHighSpeedDataChannel_SendDataStreamData(const uint8_t *data, uint16_t len);

Parameter
data：pointer to data to be sent.

len：length of data to be sent via data stream, and it must be less than or equal to 65000, unit: byte.

Return
The details for the return code please refer to: DjiErrorCode

function DjiHighSpeedDataChannel_GetDataStreamState

Function:Get data transmission state of "dataStream" channel. User can use the state as base for controlling data

product：all

T_DjiReturnCode DjiHighSpeedDataChannel_GetDataStreamState(T_DjiDataChannelState *state);

Parameter
state：pointer to "dataStream" channel state.

Return
The details for the return code please refer to: DjiErrorCode