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kbhit(???)

 
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jamesjl
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kbhit(???)
PostPosted: Wed Jan 29, 2003 8:25 am     Reply with quote

Hi guys,

can I use a stream with kbhit(), e.g. kbhit(R485); to determine which of my two defined RS232 ports the incoming bit stream is coming from? My project uses RS485 and RS232 on a PIC15F872. The RS232 uses the hardware USART and the RS485 uses a software USART. I just need to get the RS485 data onto an RS232 device and the RS232 data onto the RS485 bus. If anyone has any known issues about this type of scheme I would be interested to here them.

Many thanks,

Jason.
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This message was ported from CCS's old forum
Original Post ID: 11092
Dale Botkin
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Re: kbhit(???)
PostPosted: Wed Jan 29, 2003 1:59 pm     Reply with quote

How come nobody ever just tries this stuff to see if it works or not???

Yes, it appears to work with V3.124 at least. Nothing is mentioned about kbhit() supporting streams in any of the documentation (help or README.TXT) that I have, but a quick test and a look at the resulting list file shows it does:

#use rs232(rcv=PIN_A0,stream=stream1)
#use rs232(rcv=PIN_A1,stream=stream2)

.................... if(kbhit(stream2));
028D: BTFSC 05.1
028E: GOTO 28F
.................... if(kbhit(stream1));
028F: BTFSC 05.0
0290: GOTO 291

:=Hi guys,
:=
:=can I use a stream with kbhit(), e.g. kbhit(R485); to determine which of my two defined RS232 ports the incoming bit stream is coming from? My project uses RS485 and RS232 on a PIC15F872. The RS232 uses the hardware USART and the RS485 uses a software USART. I just need to get the RS485 data onto an RS232 device and the RS232 data onto the RS485 bus. If anyone has any known issues about this type of scheme I would be interested to here them.
:=
:=Many thanks,
:=
:=Jason.
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This message was ported from CCS's old forum
Original Post ID: 11111
Humberto



Joined: 08 Sep 2003
Posts: 1183
Location: Buenos Aires la Reina del Plata

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Re: kbhit(???) ????
PostPosted: Wed Jan 29, 2003 4:37 pm     Reply with quote

You are rigth Dale !

I will never try to test it for the same reason you stated.

Humberto
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This message was ported from CCS's old forum
Original Post ID: 11117
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Humberto
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