iOS HMLink

Link is a representation of a connection between a device and a vehicle.

It enables sending commands to vehicles as well as receiving them through it's delegate. Furthermore, it handles the connection flow and authentication protocols required by HMKit.

Note that it's only allowed to send one command at a time. Queueing of several commands in a sequence has to be done on the application level.

Finally, an HMLink is not initialised by the developer, but received through the HMLocalDevice's delegate.

Instance Methods

Disconnect the connection of the HMLink

Declaration

func disconnect()

Example

import HMKit

/*
HMLink-object received through HMLocalDevice's delegate beforehand
*/

link.disconnect()

Send a command to the HMLink

Declaration

send<C>(command: C, contentType: HMContainerContentType = .autoAPI, requestID: [UInt8] = [], completion: @escaping HMLinkCommandCompletionBlock) throws where C : Collection, C.Element == UInt8

Parameters

command

(UInt8 Collection) binary of the command to send

contentType

(HMContainerContentType) Type of data sent as content - defaults to .autoAPI

requestID

([UInt8]) ID to keep track of a specific command (response will contain the same ID)

completion

(HMLinkCommandCompletionBlock) Block that gets called when this command is done

Discussion

The command is encrypted and stored inside a tamper-proof secure container.

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Send the revoke command to the HMLink

Declaration

func sendRevoke() throws

Discussion

Revoke is used to remove the certificates for 'this' device from the connected one.
After the revoke is received by the connected device, it deletes the certificates and disconnects.
As it's last act it might send back some data with the completion of the revoke.

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Example

import HMKit

/*
HMLink-object received through HMLocalDevice's delegate beforehand
*/

try link.sendRevoke()

Properties

.certificate?

Declaration

var certificate: HMAccessCertificate? { get }

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.delegate?

Declaration

var delegate: HMLinkDelegate?

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.state?

Declaration

var state: HMLinkState { get set }

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Types

HMLinkCommandCompletionBlock

Declaration

typealias HMLinkCommandCompletionBlock = (Result<Void, HMLinkError>) -> Void

Discussion

HMLinkCommandCompletionBlock is a typealias for Result that gets called when a command succeeds or fails.

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Conforming

Equatable

Declaration

protocol Equatable

Discussion

A type that can be compared for value equality.

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