This example show a simple program show a scrolling message on 12 8x8 dot matrix display.
The display is composed of 3 modules each containing 4 8x8 pixels displays.
The video at the right shows the result.
CODE: example2.bas
'Set 12 8x8 displays with GPIO15 as CS pin MaxScroll.Setup 12, 15
'Set the message
MaxScroll.print "This is a circling message scrolling on 3x4 led matrix Displays"
'Set the refresh rate of the display (50 msec) - lower values -> scroll faster
timer0 50, scrollme
wait
Scrollme:
'Scroll the display with an intensity of 15 (maximum)
MaxScroll.scroll 15
return
This is another example where the message can be set using a web page.
The very simple web page is shown at the right
CODE: example2b.bas
'default message msg$ = "Default Message"
' clear the html screen
cls
'create the textbox in the html page
html textbox$(msg$, "box")
'when the textbox is updated, the program will jump to update_message
onHtmlChange update_message
'Set 12 8x8 displays with GPIO15 as CS pin
MaxScroll.Setup 12, 15
'Set the first message as the current time
MaxScroll.print msg$
'Set the refresh rate of the display (50 msec) - lower values -> scroll faster
timer0 50, scrollme
wait
Scrollme:
'Scroll the display with an intensity of 15
MaxScroll.scroll 15
return
update_message:
MaxScroll.print msg$
return
----
| |
|
