So, what techniques are people using to make sure that the salve pics always detect the start bit of a host request message even tho they might be in the middle of doing something ?? Jeff Jolie wrote: > > Has anyone implemented a CAN network using PIC's? > Jeff Jolie > -----Original Message----- > From: David W. Duley > To: PICLIST@MITVMA.MIT.EDU > Date: Monday, November 23, 1998 5:40 AM > Subject: Re: Pic Network ? > > >In a message dated 11/22/98 3:04:59 PM Pacific Standard Time, > Spk41q@AOL.COM > >writes: > > > ><< Hello, > > > > Need to connect several PIC (slaves) with one master. > > > > Any pointers ? > > > > Thanks > > Dan > > > > >> > >Hi Dan! > >The best way to do this is with RS485. It allows multi-drop type > networking. > >In the machine that I build at work we have 14 pics all networked together > >using RS485. The protocol can be quite simple providing there is one > master > >and as many slaves as you need. The real software tricks come in if there > >needs to be more than one master. > >We use the MAX485 chips in half duplex mode (2 wire) > > > >Hope this helps > >Dave Duley > >www.dreitek.com > > -- Peter Williamson | Phone: +61 15 898934 Waybeat Pty Ltd | Email: peterw@waybeat.com.au