Component: 7Segment (74HC595) (Segment)
| Author | Matrix Ltd |
| Version | 1.0 (Release) |
| Category | Segment |
Contents
7Segment (74HC595) component
Seven segment display using 74HC595 serial to parallel shift register. Requires three standard output pins to drive the shift register. Shift registers can be chained together to drive up to six individual 7-segment displays.
Examples
No additional examples
Downloadable macro reference
ShowDigits
Set the number and decimal point to be displayed in the given digit of the display.
Parameters
- BYTE Value0
- The number value to set the digit to (0...15), 16=Clear
- BYTE Value1
- The number value to set the digit to (0...15), 16=Clear
- BYTE Value2
- The number value to set the digit to (0...15), 16=Clear
- BYTE Value3
- The number value to set the digit to (0...15), 16=Clear
- BYTE Value4
- The number value to set the digit to (0...15), 16=Clear
- BYTE Value5
- The number value to set the digit to (0...15), 16=Clear
- BYTE DecimalPoint
- Bit field containing the states of the decimal points.
Return value
- This call does not return a value
ShowSegments
Allows for manual control over the display segments.
The colon character can also be controlled when writing to digit 1.
Parameters
- BYTE Digit
- Which of the digits to change. (0...5)
- BYTE Segments
- The binary segment value to display, 0b1 = Lit, 0b0 = Not Lit
Return value
- This call does not return a value
ShowDigit
Set the number to be displayed in the given digit of the display.
The colon character can also be controlled when writing to digit 1.
Parameters
- BYTE Digit
- Which of the digits to change. (0...5)
- BYTE Value
- The number value to set the digit to (0...15), 16=Clear
- BYTE DecimalPoint
- Whether to show the decimal point.
Return value
- This call does not return a value
Simulation macro reference
This component does not contain any simulation macros
Property reference
Number 7Segs
This property is of type Fixed list of ints and can be referenced with the variable name Num7Segs.
No additional information
Display Type
This property is of type Fixed list of ints and can be referenced with the variable name Display_Type.
Set this according to the specification of your hardware display.
Common Anode: Pin true -> LED Off, Pin false -> LED On
Common Cathode: Pin true -> LED On, Pin false -> LED Off
Show Seg Labels
This property is of type True or false and can be referenced with the variable name ShowSegLabels.
Show segment name labels overlayed over the component.
Data Pin
This property is of type Single digital pin and can be referenced with the variable name DATA_PIN.
Data Pin connection to the first 74HC595 chip
Clock Pin
This property is of type Single digital pin and can be referenced with the variable name CLK_PIN.
Clock Pin connection to all the 74HC595 chips
Latch Pin
This property is of type Single digital pin and can be referenced with the variable name LATCH_PIN.
Latch Pin connection to all the 74HC595 chips
LED Color
This property is of type Color picker and can be referenced with the variable name FGColor.
Color of the LED segments when truned on. When off, they use a much darker shade of the same hue.
Body Color
This property is of type Color picker and can be referenced with the variable name BGColor.
Color of the plastic casing containing the LEDs.
Label Color
This property is of type Color picker and can be referenced with the variable name LabelColor.
Color for the optional LED segment labels.
