Package com.opensourcewithslu.outputdevices

Class FourDigitSevenSegmentDisplayHelper

java.lang.Object
com.opensourcewithslu.outputdevices.FourDigitSevenSegmentDisplayHelper
public class FourDigitSevenSegmentDisplayHelper extends Object

  • Constructor Summary

    Constructors
    Constructor
    Description
    FourDigitSevenSegmentDisplayHelper(com.pi4j.io.gpio.digital.DigitalOutput sdi, com.pi4j.io.gpio.digital.DigitalOutput rclk, com.pi4j.io.gpio.digital.DigitalOutput srclk, com.pi4j.io.gpio.digital.DigitalOutput digit0, com.pi4j.io.gpio.digital.DigitalOutput digit1, com.pi4j.io.gpio.digital.DigitalOutput digit2, com.pi4j.io.gpio.digital.DigitalOutput digit3)
    Constructor for the FourDigitSevenSegmentDisplayHelper class.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    clear()
    Clears the display.
    void
    disable()
    Disables the display.
    void
    enable()
    Enables the display.
    String
    getDisplayValue()
    Gets the display value.
    void
    print(String value)
    Displays a value on the four-digit seven-segment display.
    void
    setDecimalPoint(int digit, boolean enabled)
    Sets the decimal point of a digit.
    void
    setDigit(int digit, char value)
    Sets the value of a digit.

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • FourDigitSevenSegmentDisplayHelper

      public FourDigitSevenSegmentDisplayHelper(com.pi4j.io.gpio.digital.DigitalOutput sdi, com.pi4j.io.gpio.digital.DigitalOutput rclk, com.pi4j.io.gpio.digital.DigitalOutput srclk, com.pi4j.io.gpio.digital.DigitalOutput digit0, com.pi4j.io.gpio.digital.DigitalOutput digit1, com.pi4j.io.gpio.digital.DigitalOutput digit2, com.pi4j.io.gpio.digital.DigitalOutput digit3)
      Constructor for the FourDigitSevenSegmentDisplayHelper class.
      Parameters:
      sdi - Serial data input
      rclk - Register clock
      srclk - Shift register clock
      digit0 - The first digit
      digit1 - The second digit
      digit2 - The third digit
      digit3 - The fourth digit

  • Method Details

    • clear

      public void clear()
      Clears the display.

    • enable

      public void enable()
      Enables the display.

    • disable

      public void disable()
      Disables the display.

    • print

      public void print(String value)
      Displays a value on the four-digit seven-segment display.
      Parameters:
      value - The value to display. It can include digits 0-9, letters A-F (case-insensitive), hyphens, spaces, and decimal points.

    • getDisplayValue

      public String getDisplayValue()
      Gets the display value.
      Returns:
      The display value

    • setDigit

      public void setDigit(int digit, char value)
      Sets the value of a digit.
      Parameters:
      digit - The digit to set the value of (0-3)
      value - The value to set the digit to. Must be a digit 0-9, a letter A-F (case-insensitive), a hyphen, or a space

    • setDecimalPoint

      public void setDecimalPoint(int digit, boolean enabled)
      Sets the decimal point of a digit.
      Parameters:
      digit - The digit to set the decimal point of (0-3)
      enabled - Whether the decimal point should be enabled or not