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Nokia 3310 lcd driver help

 
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KONAMI



Joined: 29 Aug 2010
Posts: 11

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Nokia 3310 lcd driver help
PostPosted: Mon Sep 12, 2011 4:27 am     Reply with quote
Please since a see this http://www.ccsinfo.com/forum/viewtopic.php?p=150398 code I don't know how to put variable on it. Please can somebody help me. It is too much important for me at the time I'm writing Wink
PCM programmer



Joined: 06 Sep 2003
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PostPosted: Mon Sep 12, 2011 4:11 pm     Reply with quote
In his main() code, he has this:
Quote:

void main()
{
NOKIA_INIT();
NOKIA_GOTOXY(1,1);
printf(nokia_printchar,"M.Yasser");
NOKIA_GOTOXY(20,10);
PRINTF(NOKIA_PRINTCHAR,"A Test!!");
printF(nokia_printchar,"NOKIA 3310 LCD");
while(1);
}

He's displaying constant strings. So I guess your question is how to use
printf to displays a string array, or how to display numbers.

Download the CCS manual and put it on your desktop.
http://www.ccsinfo.com/downloads/ccs_c_manual.pdf
Look in the section on printf. It shows the template of how to do it:
Quote:

printf (fname, cstring, values...)

fname = nokia_printchar
cstring = the format string used to display the desired type of variable.
values = the variables that you want to display.

Here is an example of how to display an 8-bit unsigned variable in
decimal format:
Code:

void main()
{
int8 temp;

nokia_init();
nokia_gotoxy(1,1);

temp = 25;

printf(nokia_printchar, "%u", temp);

while(1);
}

To display other variables of a size larger than 8-bit, or a different type
than an integer, etc., then read the CCS manual and look at the format
strings in the printf section, such as %lu, %x, %lx, %f, %7.3f, etc.
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