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Warning 240

 
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rafaluc2001



Joined: 20 Mar 2016
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Warning 240
PostPosted: Sun Mar 20, 2016 9:37 am     Reply with quote

Good afternoon,
 
I wonder what's going to appear this warning?
I'm using PCWHD 5,056.
 
 
>>> Warning 240 "C: \ Program Files \ PICC \ Drivers \ can-18xxx8.c" Line 112 (22.23): Pointer types do not match
 
 

can_set_id (RX0FILTER0 0, CAN_USE_EXTENDED_ID); // SET FILTER 0 of 0 mask

Note:
The Cursor in the comma RX0FILTRO
 
  Another thing, when you compile in PCWHD 4,141 not appear this warning.


Thank you all,
Ttelmah



Joined: 11 Mar 2010
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PostPosted: Sun Mar 20, 2016 10:07 am     Reply with quote

You have fiddled with the file.

The supplied file has a comma between
RX0FILTER0 and the following 0.....
rafaluc2001



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PostPosted: Sun Mar 20, 2016 10:15 am     Reply with quote

Sorry, error copy of the translator.
the right is.
can_set_id (RX0FILTER0, 0, CAN_USE_EXTENDED_ID); // SET FILTER 0 of 0 mask
Ttelmah



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PostPosted: Sun Mar 20, 2016 11:06 am     Reply with quote

OK.

That is because a little while ago, CCS added checks on whether things like pointers were of the type declared, rather than allowing automatic casting to just silently happen.
It is only a warning. Doesn't stop things from working.
If you want to avoid it, you can either just turn off the warning, or cast the variable to the required type (if you have the IDE just hover over the function, and it'll display the types it expects to receive).
They have obviously not checked this file, since the change was made.
rafaluc2001



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PostPosted: Sun Mar 20, 2016 1:09 pm     Reply with quote

I do not know where to start, could you show a working example?
Ttelmah



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PostPosted: Sun Mar 20, 2016 1:27 pm     Reply with quote

Why?.

The warning _does not matter_.

However if you must, then change every use of can_set_id like:

can_set_id ((unsigned int *)RX0FILTER0, 0, CAN_USE_EXTENDED_ID); // SET FILTER 0 of 0 mask

Adding the cast shown.
rafaluc2001



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PostPosted: Sun Mar 20, 2016 2:27 pm     Reply with quote

It worked, no more warnings

Thank you for your help!
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