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16*2 LCD cursor problem

 
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lasal



Joined: 25 Jan 2012
Posts: 13

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16*2 LCD cursor problem
PostPosted: Thu Apr 05, 2012 10:53 am     Reply with quote
I have to design a security code lock and in the code entering part i have to view and shift the lcd cursor. I'm using flex_lcd driver and I can't understand how to use the cursor. Please somebody help me with the cursor.

The problem is I don't know to view the cursor and shift the cursor.
temtronic



Joined: 01 Jul 2010
Posts: 9161
Location: Greensville,Ontario

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PostPosted: Thu Apr 05, 2012 11:03 am     Reply with quote
You'll have to get and read the datasheet for the LCD that you're using. Most follow a 'standard', but we don't know what you're using. If you post the LCD make/model then we can help you better.
Mike Walne



Joined: 19 Feb 2004
Posts: 1785
Location: Boston Spa UK

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PostPosted: Thu Apr 05, 2012 11:12 am     Reply with quote
Read the CCS forum guidelines. You give us very little to go on.

You're possibly looking for the command lcd_gotoxy(x,y) which manipulates the cursor position.

Mike
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Thu Apr 05, 2012 11:24 am     Reply with quote
Quote:

The problem is I don't know to view the cursor and shift the cursor.

To move the cursor, use the lcd_gotoxy() function. Documentation on it:
// lcd_gotoxy(x,y) - Sets the write position on LCD (upper left is 1,1)

There is a function in the Code Library to turn the hardware LCD cursor
on/off and to turn cursor blinking on/off. It works with the Flex driver:
http://www.ccsinfo.com/forum/viewtopic.php?t=24668

Example of how to use it:
http://www.ccsinfo.com/forum/viewtopic.php?t=37756&start=3
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