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problem with bit access of defined port

 
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Study



Joined: 09 Apr 2009
Posts: 29

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problem with bit access of defined port
PostPosted: Fri May 14, 2010 3:05 pm     Reply with quote
Hi friends
I wrote #byte PORTE = 0xf84 to use PORTE in my program ( ie. PORTE = 0xff )
Now I want bit access to PORTE like PORTE.3 = 1;
What should I do to have bit access in this format?
I mean I don't want write bit_set(); function.
Regards
_________________
Sorry if i have much mistakes, my english is not good.
Thanks a lot for your helps.
Have a good time
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Fri May 14, 2010 3:27 pm     Reply with quote
That syntax isn't supported by CCS. Use #bit to create a named bit.
Then assign it a value with a line of code. Example:
Code:

#byte PORTE = 0xF84
#bit  my_bit = PORTE.1

void main()
{
my_bit = 1;

my_bit = 0;


while(1);
}
Study



Joined: 09 Apr 2009
Posts: 29

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PostPosted: Fri May 14, 2010 3:37 pm     Reply with quote
Thanks PCM
As i see , i should define all SFR byte and bit in my device files to be comfort with PCWHD, can i download them anywhere?
_________________
Sorry if i have much mistakes, my english is not good.
Thanks a lot for your helps.
Have a good time
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

View user's profile Send private message

PostPosted: Fri May 14, 2010 3:45 pm     Reply with quote
If you have the full CCS IDE (which it appears that you have), then you
can generate customized header files which have the register definitions
in them. Look on this page, about 60% of the way down:
http://www.ccsinfo.com/content.php?page=ideoverview
You will see this section:
Quote:

Ability to Generate Customized Include
Files with SFR Definitions
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