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Class ObnizMeasure<EventTypes>

The measure module provides hardware level measurement.

Type parameters

  • EventTypes: string

Hierarchy

Index

Constructors

constructor

Properties

Obniz

Obniz: Obniz

obniz to be used

timeout

timeout: number = 30 * 1000

Rsponse waiting timeout in milliseconds

Static prefixed

prefixed: string | boolean

Methods

addListener

  • addListener(event: EventTypes, fn: ListenerFn, context?: any): this
  • Parameters

    • event: EventTypes
    • fn: ListenerFn
    • Optional context: any

    Returns this

echo

  • Some electrical parts or circuits accept "pulse" and echo the "pulse" after delay. This module is best suited for measuring that delay.

    This module generates one pulse shot on an io, then measures the response time.

    // Javascript Example
    obniz.measure.echo({
      io_pulse: 0, // io for generate pulse
      io_echo: 1, // io to be measured
      pulse: "positive", // generate pulse pattern
      pulse_width: 0.1,  // generate pulse width
      measure_edges: 3, // 1 to 4. maximum edges to measure
      timeout: 1000, // this is optional. 1000(1sec) is default
      callback: function(edges) {
        // callback function
        console.log(edges);
      }
    });

    Parameters

    Returns void

emit

  • emit(event: EventTypes, ...args: Array<any>): boolean
  • Calls each of the listeners registered for a given event.

    Parameters

    • event: EventTypes
    • Rest ...args: Array<any>

    Returns boolean

eventNames

  • eventNames(): Array<EventTypes>
  • Return an array listing the events for which the emitter has registered listeners.

    Returns Array<EventTypes>

listenerCount

  • listenerCount(event: EventTypes): number
  • Return the number of listeners listening to a given event.

    Parameters

    • event: EventTypes

    Returns number

listeners

  • listeners(event: EventTypes): Array<ListenerFn>
  • Return the listeners registered for a given event.

    Parameters

    • event: EventTypes

    Returns Array<ListenerFn>

notifyFromObniz

  • notifyFromObniz(json: any): void

off

  • off(event: EventTypes, fn?: EventEmitter.ListenerFn, context?: any, once?: undefined | false | true): this
  • Parameters

    • event: EventTypes
    • Optional fn: EventEmitter.ListenerFn
    • Optional context: any
    • Optional once: undefined | false | true

    Returns this

on

  • on(event: EventTypes, fn: ListenerFn, context?: any): this
  • Add a listener for a given event.

    Parameters

    • event: EventTypes
    • fn: ListenerFn
    • Optional context: any

    Returns this

once

  • once(event: EventTypes, fn: ListenerFn, context?: any): this
  • Add a one-time listener for a given event.

    Parameters

    • event: EventTypes
    • fn: ListenerFn
    • Optional context: any

    Returns this

removeAllListeners

  • Remove all listeners, or those of the specified event.

    Parameters

    Returns this

removeListener

  • removeListener(event: EventTypes, fn?: EventEmitter.ListenerFn, context?: any, once?: undefined | false | true): this
  • Remove the listeners of a given event.

    Parameters

    • event: EventTypes
    • Optional fn: EventEmitter.ListenerFn
    • Optional context: any
    • Optional once: undefined | false | true

    Returns this

schemaBasePath

  • schemaBasePath(): string

validate

  • validate(commandUri: any, json: any): WSSchema.MultiResult
  • Parameters

    • commandUri: any
    • json: any

    Returns WSSchema.MultiResult

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