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LCD (unable to getting blinking cursor)

 
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C0J



Joined: 05 Nov 2008
Posts: 25

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LCD (unable to getting blinking cursor)
PostPosted: Wed Feb 11, 2009 10:09 am     Reply with quote
Hi,

i have been using the flexible lcd driver (16x2) posted in code library & it is able to work( but there is no cursor)

Have try to change the display on statement in LCD_INIT_STRING function of the flexible lcd driver with the following for cursor blink:

0xc, // Display on
change to
0xf //cursor on & blink

but there is still no blinking cursor being displayed.
Any help on this ?

Thanks,
CJ
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Feb 11, 2009 1:03 pm     Reply with quote
There is a function in the Code Library forum to enable or disable
whether the cursor is visible or if it's blinking:
http://www.ccsinfo.com/forum/viewtopic.php?t=24668
C0J



Joined: 05 Nov 2008
Posts: 25

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PostPosted: Wed Feb 11, 2009 1:23 pm     Reply with quote
Thanks PCM,

But not sure when to call this function (after lcd_init ?)
& what should visible, blink be ?

Quote:
void lcd_setcursor_vb(short visible, short blink)
{
lcd_send_byte(0, 0xC|(visible<<1)|blink);
}
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Wed Feb 11, 2009 1:34 pm     Reply with quote
Yes, you can call it at any time after lcd_init().
Just put in TRUE or FALSE as the function parameters. Example:
Code:

#include <16F877.H>
#fuses XT, NOWDT, NOPROTECT, BROWNOUT, PUT, NOLVP
#use delay(clock=4000000)
#use rs232(baud=9600, xmit=PIN_C6, rcv=PIN_C7, ERRORS)

#include "flex_lcd.c"

void lcd_setcursor_vb(short visible, short blink)
{
lcd_send_byte(0, 0xC|(visible<<1)|blink);
}


//============================
void main()
{
lcd_init();

lcd_setcursor_vb(TRUE, TRUE);  // Cursor is visible and blinking

lcd_putc("\fHello World");

while(1);
}
C0J



Joined: 05 Nov 2008
Posts: 25

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PostPosted: Wed Feb 11, 2009 2:06 pm     Reply with quote
Thanks again PCM & VanHauser

Smile
CJ
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