Component: LCD (BL0169) (E-blocks 2): Difference between revisions

Latest revision as of 14:37, 13 July 2026

LCD component to drive the E-blocks 2 BL0169 LCD board. Provides a 4 x 20 character alphanumeric display.

Library Version, Component Version, Date, Author, Info
4, 1.0, 08-05-25, BR, Added autodetect port on Ev_PostInitialise

No detailed description exists yet for this component

Example showing the basic function of BL0169 E-blocks 2 alphanumeric Display.

	Clear
Clears the entire contents of the display.
- VOID	Return

	ClearLine
Clears a single line on the display and then moves the cursor to the start of the line to allow you to start populating the line with data.
- BYTE	Line
The line to clear, zero being the first (top) line of the display
- VOID	Return

	Cursor
Moves the cursor on the LCD Display
- BYTE	x
Set the cursor position in the X plane, 0 is the left most cell
- BYTE	y
Set the cursor position in the Y plane, 0 is the top most cell
- VOID	Return

	PrintAscii
Takes the ascii value for a character and prints the character
- BYTE	character
Holds an ascii value.
- VOID	Return

	PrintFloat
Print a Float number rounded up to a specified amount of decimal places.
- FLOAT	Number
Enter the number or variable to print to the LCD
- BYTE	DecimalPlaces
Enter how many decimal places to round up to (1 - 6)
- VOID	Return

	PrintFormattedNumber
Will allow you to print a number up to 32-bits with signed or unsigned formatting. Signed = -2147483648 to 2147483647 Unsigned = 0 to 4294967295
- ULONG	Number
Enter the number or variable to print to the LCD
- BOOL	Format
0=Signed, 1=Unsigned
- VOID	Return

	PrintNumber
Based on v5 macro, will allow you to print a number. This is limited to a signed-INT, -32768 to 32767
- INT	Number
Enter the number or variable to print to the LCD
- VOID	Return

	PrintString
Breaks down a string of text and sends it to the LCD via the private RawSend(byte, mask) macro
- STRING	Text
Enter the text or variable to print to the LCD
- VOID	Return

	RAMWrite
Modifies the internal memory of the LCD to allow for up to 8 customised characters to be created and stored in the device memory
- BYTE	Index
Values 0 to 7
- BYTE	d0

- BYTE	d1

- BYTE	d2

- BYTE	d3

- BYTE	d4

- BYTE	d5

- BYTE	d6

- BYTE	d7

- VOID	Return

	RawSend
Sends data to the LCD display
- BYTE	data
The data byte to send to the LCD
- BOOL	type
A boolean to indicate command type: true to write data, false to write a command
- VOID	Return

	RemapCharacter
Assigns a remap character allowing the PrintString function to automatically swap between pre-defined characters. The characters can be custom (in the range 0-9) or can point to an existing character in the LCD character map.
- BYTE	RemapIdx
Remap Index, Range: 0 to (Remap Characters - 1)
- BYTE	SearchCharacter
Character to look for a replace
- BYTE	ReplacementCharacter
New character value to use in place of the search character.
- VOID	Return

	Start
Startup routine required by the hardware device. Automatically clears the display after initialising.
- VOID	Return

	Properties
	Data 0 (11 / 7)
Data pin 0 - Connects to Data 4 on the hardware in 4-bit mode or Data 0 in 8-bit mode
	Data 1 (12 / 8)
Data pin 1 - Connects to Data 5 on the hardware in 4-bit mode or Data 1 in 8-bit mode
	Data 2 (13 / 9)
Data pin 2 - Connects to Data 6 on the hardware in 4-bit mode or Data 2 in 8-bit mode
	Data 3 (14 / 10)
Data pin 3 - Connects to Data 7 on the hardware in 4-bit mode or Data 3 in 8-bit mode
	Register Select (4)
Register Select Pin - Informs the display if a command or data is about to be sent.
	Enable (6)
Enable pin - Used to synchronise data writes to the display
	Simulation
	Component Label

	User Label Text
Text to display
	Component Label Scale
The label scale can be change if the amout of text is too wide for the display
	Text Colour
Colour of the font characters drawn on the display
	Text Background
Colour surrounding the font characters drawn on the display
	Display Background
Colour of the background of the display