Component: LCD (Adafruit, 20x4) (Alphanumeric)
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| Author | Matrix Ltd |
| Version | 1.10 |
| Category | Alphanumeric |
Contents
LCD (Adafruit, 20x4) component
Adafruit OLED LCD display capable of displaying 4 lines of 20 characters.
Component Pack
DISPLAYS
Detailed description
No detailed description exists yet for this component
Examples
No additional examples
Downloadable macro reference
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Clear |
| Clears the entire contents of the display. | |
 - VOID
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Return |
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PrintString |
| Breaks down a string of text and sends it to the LCD via the private RawSend(byte, mask) macro | |
 - STRING
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Text |
| - VOID
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Return |
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PrintAscii |
| Takes the ascii value for a character and prints the character | |
 - BYTE
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character |
| Holds an ascii value. | |
| - VOID
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Return |
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PrintNumber |
| Based on v5 macro, will allow you to print a number. This is limited to a signed-INT, -32768 to 32767 | |
 - INT
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Number |
| - VOID
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Return |
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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
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Index |
| Values 0 to 7 | |
| - BYTE
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d0 |
| - BYTE
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d1 |
| - BYTE
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d2 |
| - BYTE
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d3 |
| - BYTE
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d4 |
| - BYTE
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d5 |
| - BYTE
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d6 |
| - BYTE
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d7 |
| - VOID
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Return |
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ClearLine |
| Clears a single line on the display before moving the cursor back to the start of the line to allow new data to be displayed. | |
| - BYTE
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Line |
| - VOID
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Return |
|
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Cursor |
| Moves the cursor on the LCD Display | |
| - BYTE
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x |
| - BYTE
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y |
| - VOID
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Return |
|
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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. | |
| - BYTE
|
instruction |
| Send a defined command to the LCD Screen. See datasheet for supported commands. | |
| - VOID
|
Return |
|
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ScrollDisplay |
| Scrolls the display left or right by a number of given positions. | |
| - BYTE
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Position |
| Holds the number of positions to shift the display | |
| - BYTE
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direction |
| 0 = left, 1 = right | |
| - VOID
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Return |
|
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Start |
| Startup routine required by the hardware device. Automatically clears the display when complete. | |
| - VOID
|
Return |
Property reference
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Properties |
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Rows |
| Number of vertical characters that can be shown on the display | |
|
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Columns |
| Number of horizontal characters that can be shown on the display | |
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Background Color |
| Simulation only property to control the background colour, on the hardware the colour is fixed. | |
|
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Line Color |
| Simulation only property to control the line colour, on the hardware the colour is fixed. | |
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Text Color |
| Simulation only property to control the text colour, on the hardware the colour is fixed. | |
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Font |
| Simulation only property to control the display font, on the hardware the font is fixed. | |
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Connections |
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Data 0 (11) |
| Data pin 0 connects to data pin 4 on the hardware | |
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Data 1 (12) |
| Data pin 1 connects to data pin 5 on the hardware | |
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Data 2 (13) |
| Data pin 2 connects to data pin 6 on the hardware | |
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Data 3 (14) |
| Data pin 3 connects to data pin 7 on the hardware | |
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Register Select (4) |
| Register select pin, determines if the incoming value is a command or a data byte | |
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Read / Write (5) |
| Read / Write pin determines the data direction | |
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Enable (6) |
| Enable pin, used to clock data in and out of the device. | |
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Simulations |
