Can you switch over to hardware serial ?
Then you could use an interrupt to receive the data.
Less pins used too.
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Can you switch over to hardware serial ?
Then you could use an interrupt to receive the data.
Less pins used too.
Dave
Always wear safety glasses while programming.
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Hi,
You can't use Shiftin and Shiftout like that. Both commands expects to be "in control" - both acts as the "master" - so they can't really be used the way you want.
Using RS232 as mackrackit suggests is probably your best bet. You can use either the hardware USART or the bitbanged SERIN(2)/SEROUT(2) commands with flow control to make sure PIC 1 doesn't begin sending before PIC 2 is ready.
/Henrik.
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