Class EmitEscanUnpacker

This class unpacks Uint8Arrays and sends frames and time objects when gained enough data.

Credits: https://github.com/mdn/dom-examples/blob/master/streams/png-transform-stream/png-transform-stream.js

Index

Constructors

Properties

data onChunk readPosition writePosition

Methods

addBinaryData checkForChunks parseDumpTag parseFrame

Constructors

constructor

new EmitEscanUnpacker(): EmitEscanUnpacker
Returns EmitEscanUnpacker

Properties

data

data: Uint8Array

Ringbuffer

onChunk

onChunk: ((chunk: UsbFrame | DumpTagFrame) => void) | null

Everytime a new frame is compiled, this function will get it

readPosition

readPosition: number

Current reading position

writePosition

writePosition: number

New data will be written to this position

Methods

addBinaryData

addBinaryData(uint8Array: Uint8Array): void
Adds more binary data to unpack.
Parameters
- uint8Array: Uint8Array
  The data to add.
Returns void

checkForChunks

checkForChunks(completeReadingPosition: number): void
Checks whether new chunks can be found within the binary data.
Parameters
- completeReadingPosition: number
Returns void

parseDumpTag

parseDumpTag(frameData: Uint8Array): DumpTagFrame
Parameters
- frameData: Uint8Array
Returns DumpTagFrame

parseFrame

parseFrame(frameData: Uint8Array): UsbFrame
Parameters
- frameData: Uint8Array
Returns UsbFrame