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How to scroll my character string on LCD 2X8

 
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nailuy



Joined: 21 Sep 2010
Posts: 159

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How to scroll my character string on LCD 2X8
PostPosted: Fri Jul 25, 2014 11:41 am     Reply with quote
Hy
I have code working but I must put long characters string on small LCD 2X8 on single row.
I try to find this treat but it isn't "scroll".
so code:
Code:
      LCD_DATA_3=0;                    //ccaracter is first on first row
      printf(LCD_SEND_C,"abcdefgh ij%2u",78);
      LCD_DATA_3=64;                  ////character is first on second row
      printf(LCD_SEND_C,"xxx");


I want my display to show:
t=0;
abcdefgh
xxx

t+1secounds
bcdefgh
xxx

t+2secounds
cdefgh i
xxx

t+3secounds
defgh ij
xxx

...

t+5secounds
fgh ij78
xxx

somebody can give me idea? how to scroll this?
Best regards.
Ttelmah



Joined: 11 Mar 2010
Posts: 19585

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PostPosted: Fri Jul 25, 2014 1:53 pm     Reply with quote
sprintf the whole thing to a string.

Then print from this, starting at a location that you move forward on each update.

A search here will give code examples. Scrolling displays have been discussed many times in the past.
nailuy



Joined: 21 Sep 2010
Posts: 159

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PostPosted: Fri Jul 25, 2014 2:13 pm     Reply with quote
sprintf
might be solution I'll test this
thank you
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