Component: LCD (EB005) (E-blocks 1)
| Author | Matrix TSL |
| Version | 1.1 (Release) |
| Category | E-blocks 1 |
Contents
LCD (EB005) component
LCD based on the unit used in the Matrix EB005 E-block
Examples
Connections
Example of a typical LCD pinout.
For the LCDs to work with the Flowcode LCD component they need to be connected up in 4-bit data mode.
The 4 data signals actually go to the upper data nibble on the LCD as shown below.
A simple example that shows how to use some common functions.
Downloadable macro reference
Clear
Clears the entire contents of the display.
Parameters
- This macro has no parameters
Return value
- This call does not return a value
PrintString
Breaks down a string of text and sends it to the LCD via the private RawSend(byte, mask) macro
Parameters
- <- STRING Text
- Enter the text or variable to print to the LCD
- This parameter may be returned back to the caller
Return value
- This call does not return a value
PrintAscii
Takes the ascii value for a character and prints the character
Parameters
- BYTE character
- Holds an ascii value.
Return value
- This call does not return a value
PrintNumber
Based on v5 macro, will allow you to print a number. This is limited to a signed-INT, -32768 to 32767
Parameters
- INT Number
- Enter the number or variable to print to the LCD
Return value
- This call does not return a value
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
Parameters
- BYTE Index
- Values 0 to 7
- BYTE d0
- BYTE d1
- BYTE d2
- BYTE d3
- BYTE d4
- BYTE d5
- BYTE d6
- BYTE d7
Return value
- This call does not return a value
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.
Parameters
- BYTE Line
- The line to clear, zero being the first (top) line of the display
Return value
- This call does not return a value
Cursor
Moves the cursor on the LCD Display
Parameters
- 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
Return value
- This call does not return a value
Command
Use this method/macro to send a specific command to the LCD. Refer to the Matrix Multimedia EB006 datasheet for a list of supported instructions. For Non-Matrix LCD's refer to the manufacturers datasheet.
Parameters
- BYTE instruction
- Send a defined command to the LCD Screen. See datasheet for supported commands.
Return value
- This call does not return a value
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
Parameters
- ULONG Number
- Enter the number or variable to print to the LCD
- BOOL Format
- 0=Signed, 1=Unsigned
Return value
- This call does not return a value
ScrollDisplay
Scrolls the display left or right by a number of given positions.
Parameters
- BYTE Position
- Holds the number of positions to shift the display
- BYTE Direction
- 0 = left, 1 = right
Return value
- This call does not return a value
RawSend
Sends data to the LCD display
Parameters
- 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
Return value
- This call does not return a value
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.
Parameters
- 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.
Return value
- This call does not return a value
Start
Startup routine required by the hardware device.
Automatically clears the display after initialising.
Parameters
- This macro has no parameters
Return value
- This call does not return a value
Simulation macro reference
This component does not contain any simulation macros
Property reference
Data 0 (11)
This property is of type Single digital pin and can be referenced with the variable name Pin_Data_0.
No additional information
Data 1 (12)
This property is of type Single digital pin and can be referenced with the variable name Pin_Data_1.
No additional information
Data 2 (13)
This property is of type Single digital pin and can be referenced with the variable name Pin_Data_2.
No additional information
Data 3 (14)
This property is of type Single digital pin and can be referenced with the variable name Pin_Data_3.
No additional information
Register Select (4)
This property is of type Single digital pin and can be referenced with the variable name Pin_RS.
No additional information
Enable (6)
This property is of type Single digital pin and can be referenced with the variable name Pin_E.
No additional information
