Component: GLCD (ST7920) (Graphical Monochrome) - Revision history

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Created page with "{| style="width:50%" |- | width="20%" style="color:gray;" | Author | Matrix Ltd |- | width="20%" style="color:gray;" | Version | 1.4 |- | width="20%" style="color:gray..."

New page

{| style="width:50%"
|-
| width="20%" style="color:gray;" | Author
| Matrix Ltd
|-
| width="20%" style="color:gray;" | Version
| 1.4
|-
| width="20%" style="color:gray;" | Category
| Graphical Monochrome
|}

==GLCD (ST7920) component==
Graphical display component designed to work with the ST7920 type monochrome displays. Transfers data using an 8-bit/4-bit/SPI digital data bus.

==Version information==

Library Version, Component Version, Date, Author, Info
11, 1.4, 03-05-24, BR, Added SPI data mode to the component to work with serial displays
12, 1.4, 20-06-24, BR, Fixed a bug where read SPI pixel data was being repacked incorrectly

==Detailed description==

Click here for an [[GLCD|in depth guide to graphical LCDs]] using Flowcode.

Information on the Fonts available for this component are available here. [[Component:_ID_1b08885c_807e_4631_930e_a4fef06159dc|GLCD Font Subcomponent]]

==Examples==

''<span style="color:red;">No additional examples</span>''

==Macro reference==

===BPlot===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''BPlot'''
|-
| colspan="2" | Sets a pixel with the current background colour at pixel location X, Y.  
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X1
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y1
|-
| colspan="2" |  
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===ClearDisplay===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ClearDisplay'''
|-
| colspan="2" | This macro clears the display of any previous output by overwriting the entire display with the background colour. 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===DrawCircle===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''DrawCircle'''
|-
| colspan="2" | Draws a circle object on the display with the center of the circle at the location X,Y 
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X
|-
| colspan="2" | X Coordinate for the center of the circle 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y
|-
| colspan="2" | Y coordinate for the center of the circle 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Radius
|-
| colspan="2" | Radius of the circle specified in pixels 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Transparent
|-
| colspan="2" | 0=Fill inside circle using background colour / 1=Draw outer circle only 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Solid
|-
| colspan="2" | 0=Use Transparent Setting / 1=Fill with foreground colour 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===DrawEllipse===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''DrawEllipse'''
|-
| colspan="2" | Draws an ellipse object on the display with the center of the ellipse at the location X,Y 
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X
|-
| colspan="2" | X Coordinate for the center of the circle 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y
|-
| colspan="2" | Y coordinate for the center of the circle 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | XRadius
|-
| colspan="2" | Radius of the circle on the X axis specified in pixels 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | YRadius
|-
| colspan="2" | Radius of the circle on the Y axis specified in pixels 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Transparent
|-
| colspan="2" | 0=Fill inside circle using background colour / 1=Draw outer circle only 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Solid
|-
| colspan="2" | 0=Use Transparent Setting / 1=Fill with foreground colour 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===DrawLine===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''DrawLine'''
|-
| colspan="2" | Draws a line with the current foreground colour from pixel location X1, Y1 to pixel location X2, Y2. 
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X1
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y1
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X2
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y2
|-
| colspan="2" |  
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===DrawRectangle===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''DrawRectangle'''
|-
| colspan="2" | Draws a rectangle with the current foreground colour from pixel loaction X1, Y1 to pixel location X2, Y2 
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X1
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y1
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X2
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y2
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Transparent
|-
| colspan="2" | Chooses the transparency of the box - 0 = Box contains background colour, 1 = Box contains previous pixel data. 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Solid
|-
| colspan="2" | Chooses to fill the box with colour - 0 = Box contains transparency data, 1 = Box contains foreground colour. 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===Initialise===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Initialise'''
|-
| colspan="2" | The Init macro must be called once to initialise the Graphical LCD display before any other Graphical LCD component macros are called. 
|-
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===Plot===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Plot'''
|-
| colspan="2" | Sets a pixel with the current foreground colour at pixel location X, Y.  
|-
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X1
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y1
|-
| colspan="2" |  
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===Print===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Print'''
|-
| colspan="2" | This macro prints a string of characters to the Graphical LCD. 
|-
|-
| width="10%" align="center" | [[File:Fc9-string-icon.png]] - STRING
| width="90%" | Str
|-
| colspan="2" | String of characters to send to the display. 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X1
|-
| colspan="2" | X pixel coordinate to set the output string position. 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y1
|-
| colspan="2" | Y pixel coordinate to set the output string position. 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Font
|-
| colspan="2" | Selects which Font to use Range: 0 to Font Count 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Transparent
|-
| colspan="2" | Specifies if the background of the text is drawn - 0 = Background colour is drawn, 1 = Background colour not drawn. 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===PrintNumber===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''PrintNumber'''
|-
| colspan="2" | This macro prints a decimal number to the Graphical LCD. 
|-
|-
| width="10%" align="center" | [[File:Fc9-s16-icon.png]] - INT
| width="90%" | Number
|-
| colspan="2" | Byte or Integer number to send to the display. 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | X
|-
| colspan="2" | X pixel coordinate to set the output string position. 
|-
| width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
| width="90%" | Y
|-
| colspan="2" | Y pixel coordinate to set the output string position. 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Font
|-
| colspan="2" | Range: 0 to 31 - 0=5x8, 1=10x8, 2=10x16, 3=5x16, 4-31=Extended Sizes 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Transparent
|-
| colspan="2" | Specifies if the background of the text is drawn - 0 = Background colour is drawn, 1 = Background colour not drawn. 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===ReadFontStat===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadFontStat'''
|-
| colspan="2" | Gets a stat from the selected embedded ASCII font data. 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Font
|-
| colspan="2" | Font selection range: 0 to (NumFonts - 1) 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Index
|-
| colspan="2" | 0=SpaceWidth, 1=PixelHeight 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===ReadFontWidth===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''ReadFontWidth'''
|-
| colspan="2" | Reads the number of pixel columns used in the selected font 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Font
|-
| colspan="2" | Font selection range: 0 to (NumFonts - 1) 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Character
|-
| colspan="2" | ASCII character to get the pixel width e.g. 'A' or 65 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===SetBackgroundColour===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetBackgroundColour'''
|-
| colspan="2" | Specifies the colour of the foreground 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | PixelColour
|-
| colspan="2" | 0=White, 1=Black 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===SetDisplayOrientation===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetDisplayOrientation'''
|-
| colspan="2" | Controls the way data is printed out on the display allowing multiple different viewing orientations. Default is 0. 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Orientation
|-
| colspan="2" | 0=Default, 1=90°CW, 2=180°CW, 3=270°CW 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===SetFontScaler===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetFontScaler'''
|-
| colspan="2" | Allows the fonts to be scaled up by multiplying the number of pixels on the X and Y. 
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | ScaleX
|-
| colspan="2" | Sets the horizontal scale of the font, default 1 
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | ScaleY
|-
| colspan="2" | Sets the vertical scale of the font, default 1 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===SetForegroundColour===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''SetForegroundColour'''
|-
| colspan="2" | Specifies the colour of the foreground.  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | PixelColour
|-
| colspan="2" | 0=White, 1=Black 
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===Write_Command===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Write_Command'''
|-
| colspan="2" |  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | Command
|-
| colspan="2" |  
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

===Write_Data===
{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" align="center" | [[File:Fc9-comp-macro.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Write_Data'''
|-
| colspan="2" |  
|-
|-
| width="10%" align="center" | [[File:Fc9-u8-icon.png]] - BYTE
| width="90%" | data
|-
| colspan="2" |  
|-
| width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
| width="90%" style="border-top: 2px solid #000;" | ''Return''
|}

==Property reference==

{| class="wikitable" style="width:60%; background-color:#FFFFFF;"
|-
| width="10%" align="center" style="background-color:#D8C9D8;" | [[File:Fc9-prop-icon.png]]
| width="90%" style="background-color:#D8C9D8; color:#4B008D;" | '''Properties'''
|-
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Dimensions
|-
|-
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
| width="90%" | Pixel Width
|-
| colspan="2" | Width of gLCD canvas measured in pixels. 
|-
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
| width="90%" | Pixel Height
|-
| colspan="2" | Heigt of gLCD canvas measured in pixels. 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Colour
|-
|-
| width="10%" align="center" | [[File:Fc9-type-7-icon.png]]
| width="90%" | Monochrome
|-
| colspan="2" | Specifies if the display is capable of colour or monochrome only. 
|-
| width="10%" align="center" | [[File:Fc9-type-1-icon.png]]
| width="90%" | Foreground Color
|-
| colspan="2" | Specifies the initial foreground color. 
|-
| width="10%" align="center" | [[File:Fc9-type-1-icon.png]]
| width="90%" | Background Color
|-
| colspan="2" | Specifies the initial background color. 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Bit Depth
|-
|-
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
| width="90%" | Color Bit Depth
|-
| colspan="2" | Number of bits of colour depth available on the display 
|-
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
| width="90%" | Red Bit Depth
|-
| colspan="2" | Number of bits of Red colour depth on the display 
|-
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
| width="90%" | Green Bit Depth
|-
| colspan="2" | Number of bits of Green colour depth on the display 
|-
| width="10%" align="center" | [[File:Fc9-type-14-icon.png]]
| width="90%" | Blue Bit Depth
|-
| colspan="2" | Number of bits of Blue colour depth on the display 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Connections
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Data Mode
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Reset
|-
| colspan="2" | Reset pin 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Parrallel Pins
|-
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Data0
|-
| colspan="2" | Data Pin 0 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Data1
|-
| colspan="2" | Data Pin 1 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Data2
|-
| colspan="2" | Data Pin 2 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Data3
|-
| colspan="2" | Data Pin 3 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Data4
|-
| colspan="2" | Data Pin 4 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Data5
|-
| colspan="2" | Data Pin 5 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Data6
|-
| colspan="2" | Data Pin 6 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Data7
|-
| colspan="2" | Data Pin 7 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | RS
|-
| colspan="2" | Address pin to tell the display if we are sending commands or data 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | Enable
|-
| colspan="2" | Enable pin used to clock data into the display 
|-
| width="10%" align="center" | [[File:Fc9-type-5-icon.png]]
| width="90%" | RW
|-
| colspan="2" | Read Write pin to set the display data mode 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Fonts
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Font Count
|-
| colspan="2" | Specifies the number of fonts available to use on the display. 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Font 0
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Font
|-
| colspan="2" | Font picker to decide which font to use on your display. 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Character Spacing
|-
| colspan="2" | Sets the number of blank pixels between each character when printing text. Default 1. 
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Space Width
|-
| colspan="2" | Sets the number of horizontal pixels used to represent a space character. 
|-
| width="10%" align="center" style="background-color:#EAE1EA;" | [[File:Fc9-conn-icon.png]]
| width="90%" style="background-color:#EAE1EA; color:#4B008D;" | Simulation
|-
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Component Label
|-
| colspan="2" |  
|-
| width="10%" align="center" | [[File:Fc9-type-15-icon.png]]
| width="90%" | Component Label Scale
|-
| colspan="2" | The label scale can be change if the amout of text is too wide for the display  
|-
| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
| width="90%" | Physical Orientation
|-
| colspan="2" | Rotates the simulated canvas to match the orientation of real world hardware. 
|}

==Component Source Code==

Please click here to download the component source project: [https://www.flowcode.co.uk/wiki/componentsource/FC_Comp_Source_GLCD_ST7920.fcfx FC_Comp_Source_GLCD_ST7920.fcfx]

Please click here to view the component source code (Beta): [https://www.flowcode.co.uk/FlowchartView/?wfile=componentsource/FC_Comp_Source_GLCD_ST7920.fcfx FC_Comp_Source_GLCD_ST7920.fcfx]

@@ Line 5: / Line 5: @@
 |-
 | width="20%" style="color:gray;" | Version
-| 1.5
+| 1.6
 |-
 | width="20%" style="color:gray;" | Category
@@ Line 22: / Line 22: @@
 , 1.5, 25-06-24, BR, Added an option to allow the pixel data to be buffer locally
 , 1.5, 25-06-24, BR, Fixed minor bug in pixel buffer addressing
 ==Detailed description==

@@ Line 164: / Line 164: @@
 |-
 | colspan="2" | Chooses to fill with colour - 0 = Arc transparency data, 1 = Arc contains foreground colour.&nbsp;
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID

@@ Line 824: / Line 824: @@
 | colspan="2" | Font picker to decide which font to use on your display.&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
+| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
 | width="90%" | Character Spacing
 |-
-| colspan="2" | Sets the number of blank pixels between each character when printing text. Default 1.&nbsp;
+| colspan="2" | Sets the number of blank pixels between each character when printing text.&nbsp;
 |-
-| width="10%" align="center" | [[File:Fc9-type-16-icon.png]]
+| width="10%" align="center" | [[File:Fc9-type-21-icon.png]]
 | width="90%" | Space Width
 |-

@@ Line 16: / Line 16: @@
 ==Version information==
   Library Version, Component Version, Date, Author, Info
@@ Line 23: / Line 26: @@
 , 1.5, 25-06-24, BR, Fixed minor bug in pixel buffer addressing
 , 1.6, 25-06-24, BR, Allows buffer addressing to work better with variable pixel width/height
 ==Detailed description==
@@ Line 106: / Line 110: @@
 | colspan="2" | This macro clears the display of any previous output by overwriting the entire display with the background colour.&nbsp;
 |-
 |-
 | width="10%" align="center" style="border-top: 2px solid #000;" | [[File:Fc9-void-icon.png]] - VOID
@@ Line 255: / Line 313: @@
 | width="10%" align="center" | [[File:Fc9-u16-icon.png]] - UINT
 | width="90%" | Y2
 |-
 | colspan="2" | &nbsp;