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Passing rs232 stream id into a function PCD

 
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SpaceXDebris



Joined: 15 Dec 2009
Posts: 3

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Passing rs232 stream id into a function PCD
PostPosted: Tue Dec 15, 2009 7:38 pm     Reply with quote
Hey,

Sorry if this is a dumb question. I'm using PCD compiler with a dsPIC30F4011.

As in the manual, I'm using two rs232 ports by doing:

Code:

#use rs232(baud=57600, xmit=PIN_F5, rcv=PIN_F4, stream=COM_A)
#use rs232(baud=57600, xmit=PIN_F3, rcv=PIN_F2, stream=COM_B)


I would like to define a function like so:
Code:

int sendSerialPacket(int* data, int length, short com)
{
// Code
}


which would be called like:
Code:

sendSerialPacket(data, 4, COM_A)


or something like that.

How do I type this stream_id variable? I know that it's an 8-bit constant, so I've tried short and char and adding const. I'm trying to use the pre-processor as little as possible.

Thanks for the help.
PCM programmer



Joined: 06 Sep 2003
Posts: 21708

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PostPosted: Tue Dec 15, 2009 10:41 pm     Reply with quote
See this thread:
http://www.ccsinfo.com/forum/viewtopic.php?t=21441
Guest
PostPosted: Thu Jan 07, 2010 2:46 pm     Reply with quote
Thanks for the link, although I don't like hearing that it's impossible. Sad

It did give me an idea though!
bkamen



Joined: 07 Jan 2004
Posts: 1611
Location: Central Illinois, USA

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PostPosted: Sat Jan 09, 2010 11:47 am     Reply with quote
It's not impossible.

You just have to use a switch statement.

So you *can* accomplish sending to one COM or another, you just can't do it by manipulating the STREAM ID.

Cheers,

-Ben
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Dazed and confused? I don't think so. Just "plain lost" will do. :D
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