Component: LCD (ST7032i) (Alphanumeric): Difference between revisions

Latest revision as of 14:36, 13 July 2026

Author	Matrix Ltd
Version	2.1
Category	Alphanumeric

LCD (ST7032i) component

Standard alphanumeric LCD based on the ST7032i LCD driver IC connected using I2C.

Component Source Code

Please click here to download the component source project: FC_Comp_Source_LCD_ST7032i.fcfx

Please click here to view the component source code (Beta): FC_Comp_Source_LCD_ST7032i.fcfx

Detailed description

No detailed description exists yet for this component

Examples

No additional examples

Macro reference

Clear

	Clear

- VOID	Return

ClearLine

	ClearLine

- BYTE	Line

- VOID	Return

Command

	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

- VOID	Return

Cursor

	Cursor
Moves the cursor on the LCD Display
- BYTE	x

- BYTE	y

- VOID	Return

PrintAscii

	PrintAscii
Takes the ascii value for a character and prints the character
- BYTE	character

- VOID	Return

PrintFloat

	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

	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

	PrintNumber
Allows you to print a number. This is limited to a signed-INT, -32768 to 32767
- INT	Number

- VOID	Return

PrintString

	PrintString

- STRING	Text

- VOID	Return

RAMWrite

	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

- BYTE	d0

- BYTE	d1

- BYTE	d2

- BYTE	d3

- BYTE	d4

- BYTE	d5

- BYTE	d6

- BYTE	d7

- VOID	Return

ScrollDisplay

	ScrollDisplay
Scrolls the display left or right by a number of given positions.
- BYTE	position

- BYTE	direction

- VOID	Return

Start

	Start
Startup routine required by the hardware device.
- VOID	Return

Property reference

	Properties
	I2C Config
	Channel
Channel selection
	Baud Select
Baud rate option selector
	Baud Rate
Baud rate to be used
	Stop Delay
On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not a 10ms delay between an I2C stop event and the next I2C start event. Most modern microcontrollers will not have a problem so this property can be disabled to speed up the I2C communications.
	Connections
	SDA
Pin used for SDA (data signal)
	SCL
Pin used for SCL (clock signal)
	LCD Configuration
	Voltage
Configures things like the display default contrast and follower
	Rows

	Columns

	Simulation
	Component Label

	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
	Simulate Comms
Used to drive the comms durig simulation which can be used to: Data Recorder waveform generation Console Logging Data Injector to redirect the data e.g. to a SCADA slave connected to the physical hardware

@@ Line 69: / Line 69: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Clear'''
+| width="90%" class="mtx-class-macrohead" | '''Clear'''
 |-
 | colspan="2" | &nbsp;
@@ Line 83: / Line 83: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ClearLine'''
+| width="90%" class="mtx-class-macrohead" | '''ClearLine'''
 |-
 | colspan="2" | &nbsp;
@@ Line 102: / Line 102: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Command'''
+| width="90%" class="mtx-class-macrohead" | '''Command'''
 |-
 | colspan="2" | 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.&nbsp;
@@ Line 121: / Line 121: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Cursor'''
+| width="90%" class="mtx-class-macrohead" | '''Cursor'''
 |-
 | colspan="2" | Moves the cursor on the LCD Display&nbsp;
@@ Line 145: / Line 145: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PrintAscii'''
+| width="90%" class="mtx-class-macrohead" | '''PrintAscii'''
 |-
 | colspan="2" | Takes the ascii value for a character and prints the character&nbsp;
@@ Line 164: / Line 164: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PrintFloat'''
+| width="90%" class="mtx-class-macrohead" | '''PrintFloat'''
 |-
 | colspan="2" | Print a Float number rounded up to a specified amount of decimal places.&nbsp;
@@ Line 188: / Line 188: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PrintFormattedNumber'''
+| width="90%" class="mtx-class-macrohead" | '''PrintFormattedNumber'''
 |-
 | colspan="2" | Will allow you to print a number up to 32-bits with signed or unsigned formatting. Signed = -2147483648 to 2147483647 Unsigned = 0 to 4294967295&nbsp;
@@ Line 212: / Line 212: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PrintNumber'''
+| width="90%" class="mtx-class-macrohead" | '''PrintNumber'''
 |-
 | colspan="2" | Allows you to print a number. This is limited to a signed-INT, -32768 to 32767&nbsp;
@@ Line 231: / Line 231: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PrintString'''
+| width="90%" class="mtx-class-macrohead" | '''PrintString'''
 |-
 | colspan="2" | &nbsp;
@@ Line 250: / Line 250: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''RAMWrite'''
+| width="90%" class="mtx-class-macrohead" | '''RAMWrite'''
 |-
 | colspan="2" | Modifies the internal memory of the LCD to allow for up to 8 customised characters to be created and stored in the device memory&nbsp;
@@ Line 309: / Line 309: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ScrollDisplay'''
+| width="90%" class="mtx-class-macrohead" | '''ScrollDisplay'''
 |-
 | colspan="2" | Scrolls the display left or right by a number of given positions.&nbsp;
@@ Line 333: / Line 333: @@
 |-
 | width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-comp-macro.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Start'''
+| width="90%" class="mtx-class-macrohead" | '''Start'''
 |-
 | colspan="2" | Startup routine required by the hardware device.&nbsp;
@@ Line 347: / Line 347: @@
 {| class="mtx-class-macrotable wikitable"
 |-
-| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
+| width="10%" align="center" class="mtx-class-macrohead" | [[File:Fc9-prop-icon.png]]
-| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
+| width="90%" class="mtx-class-macrohead" | '''Properties'''
 |-
 |-
-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | I2C Config
+| width="90%" class="mtx-class-propfolder" | I2C Config
 |-
 |-
@@ Line 375: / Line 375: @@
 | colspan="2" | On older microcontroller devices there is a potential for the I2C hardware channel to lock up if there is not  a 10ms delay between an I2C stop event and the next I2C start event.  Most modern microcontrollers will not have a problem so this property can be disabled to speed up the  I2C communications. &nbsp;
 |-
-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Connections
+| width="90%" class="mtx-class-propfolder" | Connections
 |-
 |-
@@ Line 389: / Line 389: @@
 | colspan="2" | Pin used for SCL (clock signal)&nbsp;
 |-
-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | LCD Configuration
+| width="90%" class="mtx-class-propfolder" | LCD Configuration
 |-
 |-
@@ Line 408: / Line 408: @@
 | colspan="2" | &nbsp;
 |-
-| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
+| width="10%" align="center" class="mtx-class-propfolder" | [[File:Fc9-conn-icon.png]]
-| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
+| width="90%" class="mtx-class-propfolder" | Simulation
 |-
 |-

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