On 10 Mar 2005 at 20:29, artturi wrote: > > Hello > > I'm quite new with LPC-family and microcontrollers too so: > I'm having trouble with example LPC2_FullCAN_v110 which I got from > this group files. I'm using LPC2194 and I haven't changed basic code > at all. The problem is that the ISR won't arrive. I checked with scope > that the message is sended but it don't cause interrupt to get the > message to FullCAN list. Is 2194 capable to receive messages in > "full-duplex" mode? Do I need external transiver while I'm working > with only one 2194? Maybe I have done some rookie mistake but hope > someone can turn me to right path. > In general you need a Reciever when working with CAN. It is not like a UART, where you can transmit to nowhere, and check with a scope to see if it is working. In CAN if you transmit, and there is nothing to receive the message, the CAN controller will retry a number of times, and then disable it's transmitter and go into fault mode. Hope this helps Regards Anton Erasmus -- A J Erasmus
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Re: [lpc2000] 2194 CAN
2005-03-10 by Anton Erasmus
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