>-----Original Message-----
>From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] 
>Sent: 23 October 2006 19:08
>To: Pic List
>Subject: [PIC] SSP Write Collisions
>
>
>I'm, for some reason, getting write collisions (SSP1CON1,WCOL 
>set) on an 18f8627. I'm doing a relatively slow spi (200kHz) 
>using TMR2 for the bit rate generator. After writing to 
>SSPBUF, I sit in a loop waiting for SSP1STAT,BF to go true, 
>then read SSPBUF. I then go on and do other stuff, but my next 
>write to SSPBUF sets SSP1CON1,WCOL, and everything seems to 
>stop. I'm thinking that maybe BF goes true when the last bit 
>is read, but perhaps the last bit's transmission is not yet 
>complete (maybe a half bit time left)? Does this sound right? 
>Is there anything else besides BF I can check to avoid this problem?

You could try polling SSPIF instead.

Regards

Mike

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