Component: LCD (Adafruit, 16x2) (Alphanumeric)

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Author Matrix Ltd
Version 1.8
Category Alphanumeric


LCD (Adafruit, 16x2) component

Adafruit OLED LCD display capable of displaying 2 lines of 16 characters.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_LCD_Adafruit_OLED.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_LCD_Adafruit_OLED.fcfx

Detailed description

No detailed description exists yet for this component

Examples

Connections

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.


LCDConns.jpg


A simple example that shows how to use some common functions.

FC6 Icon.png Adafruit LCD Example







Macro reference

Clear

Fc9-comp-macro.png Clear
Clears the entire contents of the display. 
Fc9-void-icon.png - VOID Return


ClearLine

Fc9-comp-macro.png 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. 
Fc9-u8-icon.png - BYTE Line
 
Fc9-void-icon.png - VOID Return


Command

Fc9-comp-macro.png 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. 
Fc9-u8-icon.png - BYTE instruction
Send a defined command to the LCD Screen. See datasheet for supported commands. 
Fc9-void-icon.png - VOID Return


Cursor

Fc9-comp-macro.png Cursor
Moves the cursor on the LCD Display 
Fc9-u8-icon.png - BYTE x
 
Fc9-u8-icon.png - BYTE y
 
Fc9-void-icon.png - VOID Return


PrintAscii

Fc9-comp-macro.png PrintAscii
Takes the ascii value for a character and prints the character 
Fc9-u8-icon.png - BYTE character
Holds an ascii value. 
Fc9-void-icon.png - VOID Return


PrintFloat

Fc9-comp-macro.png PrintFloat
Print a Float number rounded up to a specified amount of decimal places. 
Fc9-f32-icon.png - FLOAT Number
Enter the number or variable to print to the LCD 
Fc9-u8-icon.png - BYTE DecimalPlaces
Enter how many decimal places to round up to (1 - 6) 
Fc9-void-icon.png - VOID Return


PrintFormattedNumber

Fc9-comp-macro.png 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 
Fc9-u32-icon.png - ULONG Number
Enter the number or variable to print to the LCD 
Fc9-bool-icon.png - BOOL Format
0=Signed, 1=Unsigned 
Fc9-void-icon.png - VOID Return


PrintNumber

Fc9-comp-macro.png PrintNumber
Based on v5 macro, will allow you to print a number. This is limited to a signed-INT, -32768 to 32767 
Fc9-s16-icon.png - INT Number
 
Fc9-void-icon.png - VOID Return


PrintString

Fc9-comp-macro.png PrintString
Breaks down a string of text and sends it to the LCD via the private RawSend(byte, mask) macro 
Fc9-string-icon.png - STRING Text
 
Fc9-void-icon.png - VOID Return


RAMWrite

Fc9-comp-macro.png 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 
Fc9-u8-icon.png - BYTE Index
Values 0 to 7 
Fc9-u8-icon.png - BYTE d0
 
Fc9-u8-icon.png - BYTE d1
 
Fc9-u8-icon.png - BYTE d2
 
Fc9-u8-icon.png - BYTE d3
 
Fc9-u8-icon.png - BYTE d4
 
Fc9-u8-icon.png - BYTE d5
 
Fc9-u8-icon.png - BYTE d6
 
Fc9-u8-icon.png - BYTE d7
 
Fc9-void-icon.png - VOID Return


ScrollDisplay

Fc9-comp-macro.png ScrollDisplay
Scrolls the display left or right by a number of given positions. 
Fc9-u8-icon.png - BYTE Position
Holds the number of positions to shift the display 
Fc9-u8-icon.png - BYTE direction
0 = left, 1 = right 
Fc9-void-icon.png - VOID Return


Start

Fc9-comp-macro.png Start
Startup routine required by the hardware device. Automatically clears the display when complete. 
Fc9-void-icon.png - VOID Return


Property reference

Fc9-prop-icon.png Properties
Fc9-conn-icon.png Connections
Fc9-type-5-icon.png Data 0 (11)
Data pin 0 connects to data pin 4 on the hardware 
Fc9-type-5-icon.png Data 1 (12)
Data pin 1 connects to data pin 5 on the hardware 
Fc9-type-5-icon.png Data 2 (13)
Data pin 2 connects to data pin 6 on the hardware 
Fc9-type-5-icon.png Data 3 (14)
Data pin 3 connects to data pin 7 on the hardware 
Fc9-type-5-icon.png Register Select (4)
Register select pin, determines if the incoming value is a command or a data byte 
Fc9-type-5-icon.png Read / Write (5)
Read / Write pin determines the data direction 
Fc9-type-5-icon.png Enable (6)
Enable pin, used to clock data in and out of the device. 
Fc9-conn-icon.png Display Settings
Fc9-type-16-icon.png Rows
Number of lines of characters the LCD can display. 
Fc9-type-16-icon.png Columns
Number of characters the LCD can display on a single line. 
Fc9-conn-icon.png Simulation
Fc9-type-16-icon.png Component Label
 
Fc9-type-15-icon.png Component Label Scale
The label scale can be change if the amout of text is too wide for the display  
Fc9-type-1-icon.png Text Colour
Colour of the font characters drawn on the display 
Fc9-type-1-icon.png Text Background
Colour surrounding the font characters drawn on the display 
Fc9-type-1-icon.png Display Background
Colour of the background of the display