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  • API Docs for Version: 0.7.0

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    webduino.module.Max7219

    Extends webduino.Module

    The Max7219 Class.

    MAX7219 is compact, serial input/output common-cathode display drivers that interface microprocessors (µPs) to 7-segment numeric LED displays of up to 8 digits, bar-graph displays, or 64 individual LEDs.

    Table of Contents

    Constructor

    webduino.module.Max7219
    (
    • board
    • din
    • cs
    • clk
    )

    Defined in src/module/Max7219.js:14

    Parameters:

    • board webduino.Board

      The board that the Max7219 is attached to.

    • din Integer

      Pin number of DIn (Data In).

    • cs Integer

      Pin number of LOAD/CS.

    • clk Integer

      Pin number of CLK.

    Methods

    addListener
    (
    • type
    • listener
    )

    Inherited from webduino.EventEmitter: src/core/EventEmitter.js:117

    Add a listener for a certain type of event.

    Parameters:

    • type String

      Event type.

    • listener Function

      Event listener.

    animate
    (
    • data
    • times
    • duration
    • callback
    )

    Defined in src/module/Max7219.js:109

    Display animated pattern.

    Parameters:

    • data Array

      Array of patterns.

    • times Integer

      Delay time (in microsecond) between patterns.

    • duration Integer

      Duration of animation.

    • callback Function

      Callback after animation.

    Example:

    var data = ["080c0effff0e0c08", "387cfefe82443800", "40e0e0e07f030604"];
    matrix.on("0000000000000000");
    matrix.animate(data, 100);
    animateStop ()

    Defined in src/module/Max7219.js:150

    Stop displaying animated pattern.

    emit
    (
    • type
    • object,...
    )

    Inherited from webduino.EventEmitter: src/core/EventEmitter.js:58

    Emit an event of certain type.

    Parameters:

    • type String

      Event type.

    • [object,...] Object optional

      Event object(s).

    listeners
    (
    • type
    )

    Inherited from webduino.EventEmitter: src/core/EventEmitter.js:310

    Return the listener list bound to certain type of event.

    Parameters:

    • type String

      Evnet type.

    off ()

    Defined in src/module/Max7219.js:100

    Clear pattern on LED matrix.

    on
    (
    • data
    )

    Inherited from webduino.EventEmitter but overwritten in src/module/Max7219.js:69

    Show pattern LED matrix.

    Parameters:

    • data String

      Pattern to display.

    Example:

    matrix.on("0000000000000000");
    once
    (
    • type
    • listener
    )

    Inherited from webduino.EventEmitter: src/core/EventEmitter.js:183

    Add a one-time listener for a certain type of event.

    Parameters:

    • type String

      Event type.

    • listener Function

      Event listener.

    removeAllListeners
    (
    • type
    )

    Inherited from webduino.EventEmitter: src/core/EventEmitter.js:264

    Remove all listeners of certain type.

    Parameters:

    • type String

      Event type.

    removeListener
    (
    • type
    • listener
    )

    Inherited from webduino.EventEmitter: src/core/EventEmitter.js:211

    Remove a listener for certain type of event.

    Parameters:

    • type String

      Event type.

    • listener Function

      Event listener.

    setMaxListeners
    (
    • n
    )

    Inherited from webduino.EventEmitter: src/core/EventEmitter.js:45

    Set maximum number of listeners that is allow to bind on an emitter.

    Parameters:

    • n Number

      Number of listeners.

    Attributes

    intensity

    Integer Value of brightness (0~15).

    Defined in src/module/Max7219.js:50

    The intensity indicating brightness of Max7219.

    type

    String readonly

    Inherited from webduino.Module: src/core/Module.js:30

    Type of the module.