hello I m using 2808 processor of TI. I am not able to view any waveforms on my CAN Tx pin on Digital oscilloscope. My code seems well working.I did all proper...
saurabh parmar
saurabh629@...
Dec 5, 2007 6:22 am
6350
Is it a C28xx device? Id so, would you post your initialisation code and routine you're using to send data out; both in terms of the CAN node and the GPIO...
Robert Wood
robert.wood@...
Dec 5, 2007 4:09 pm
6351
Hello Saurabh, I don't know much about our DSPs and my friend in the DSP group that does is out of the office this week. I suspect that you are working with a...
Corrigan, Steve
s-corrigan1@...
Dec 5, 2007 4:17 pm
6352
Dear Colleagues, It's again time to organice your participation at the annual International CAN Conference iCC2008 Barcelona, Spain March 11 - 13, 2008 To be...
Heinz-Juergen Oertel
oe@...
Dec 6, 2007 1:02 pm
6353
If i dont want to use tranreceiver for testing purpose CAN I connect the TX and Rx of one CAN module to Rx and TX of other CAN module respectively using...
saurabh parmar
saurabh629@...
Dec 7, 2007 10:40 am
6354
Hello Saurabh, No you cannot, because the transmitter must also receive its own message. A transceiver, either in the form of IC or discrete components, is...
Dr K H Tang
khtang@...
Dec 7, 2007 10:43 am
6355
If you don't want to use a transceiver you can build some sort of a wired OR network (using a Pull-up Resistor on the RX Pin an a Diode between RX and TX Pin)....
Martin Hollenweger
hollenwegerm@...
Dec 7, 2007 11:22 am
6356
Hi everyone, I developed a scan tool to read parameters from a vehicle ECU. I'm receiving all the mesages that my ECU sends. But now, I'm trying to receive...
alezinhas
alessandra.schmidlin@...
Dec 7, 2007 4:53 pm
6357
Hello Saurabh, This is the unique feature of CAN. In CAN the transmitter monitors its on message while transmitting, down to bit level, for various error...
Dr K H Tang
khtang@...
Dec 8, 2007 3:33 am
6358
Greetings all. I am new to CanBus Forum. In my job as an vehicle engineer, I have been asked to develop some simple CAN data applications that will run in...
Rand Duncan
randduncan@...
Dec 8, 2007 5:29 pm
6359
Saurabh, The 2808 device pins need to be correctly initialized for CAN operation before any CAN code could be run. Almost all I/O pins of the 280x device have...
Janakiraman, Hareesh
hareesh@...
Dec 10, 2007 7:49 pm
6360
Hello gentleman - a colleague recently mentioned the new FlexRay protocol to me. I've investigated it a little bit, and it looks very similar to CAN. The...
Michael Noone
mnoone@...
Dec 19, 2007 9:07 pm
6361
Hi Michael, A main difference between FlexRay and CAN is that FlexRay need a system designer right from the beginning. You have to think through at least the...
Lars-Berno Fredriksson
LBF@...
Dec 20, 2007 1:28 pm
6362
Hi Michael, Other than the physical layer being differential (although I don't think Flexray uses the dominant/recessive module) I really don't see any ...
John Dammeyer
johnd@...
Dec 20, 2007 7:49 pm
6364
Dear sir . We are in a CAN based project using LPC2368 ARM7 controller & Keil uvision3 . We have to take care of the CAN errors 2 Errors to...
giridhar ilager
giridharilager@...
Dec 27, 2007 6:55 am
6365
Hello Everyone , We are developing controller on VLSI platform. When we will come to know that bus Idle. For Data frame its 11 Recessive bits end of frame...
N.Swathi
n.swathi@...
Dec 27, 2007 1:18 pm
6366
Hello Bus errors are fairly easy to simulate using an external CAN bus analyzer tool. Use it to put dummy messages on the bus but at a different bus rate than ...
Robert Boys
RBoys@...
Dec 28, 2007 5:25 am
6367
Hello FlexRay is poised to eventually replace CAN. CAN isn't fast enough for the latest and future automotive networks. One large firm already has FlexRay...
Robert Boys
RBoys@...
Dec 28, 2007 5:29 am
6368
... I'm not sure that's right; CAN and Flexray are completely different types of communication for different types of control. Yes, loads of people are now...
Robert Wood
robert.wood@...
Dec 28, 2007 1:24 pm
6369
Hello, There are error delimiter (8 recessive bits) and intermission (3 recessive bits) after active error flag. You will need a state- machine, which follows...
heikki.saha@...
Dec 28, 2007 4:13 pm
6370
Hello, If we thing this issue from smaller-volume industry point of view, Flexray may be "too automotive", even if it is technically advanced. Machinery...
heikki.saha@...
Dec 28, 2007 4:58 pm
6371
Hi, First of all I'd like to thank Robert Boys for posting the power point on Flex Ray. Nicely done! I have no doubt that FlexRay will replace the high speed...
John Dammeyer
johnd@...
Dec 28, 2007 6:33 pm
6372
Hello Happy new year Thanks for reply sir .. We dont have CAN analyzer tool . Is there any method to simulate the Bus -Off condition by hardware means or by...
giridharilager
giridharilager@...
Jan 2, 2008 5:43 am
6373
Hi Thanks, wish u a very happy new year. For active error frame ok. but for passive error frame before end of frame also there are recessive bits. suppose a...
N.Swathi
n.swathi@...
Jan 2, 2008 1:36 pm
6374
Hello - you need at least 2 CAN nodes in order for a CAN network to properly function. Each one must provide the ACK bit when the other one sends a valid...
Robert Boys
RBoys@...
Jan 4, 2008 7:46 am
6375
Hi All, I am new to the group and to CAN. Hopefully these questions won't seem too stupid to you. I am trying to get hold of some information regarding basic ...
Mike
mbrooks@...
Jan 4, 2008 2:11 pm
6376
Hi Mike, you may look at http://www.vscp.org and see how we have solved things. You can also find some ready to use code for the 258 Cheers /Ake ... -- ... Ake...
Ake Hedman
akhe@...
Jan 4, 2008 4:01 pm
6377
Hi, Thanks for the reply. But this is one of the websites that I have already looked on and was unable to find anything on BOSCH CANa & b basics. It seems to...
Mike
mbrooks@...
Jan 4, 2008 8:39 pm
6378
Each receiving mailbox has a receive filter (usually the "ID" Register of that mailbox). The mailbox will only receive msgs whose IDs match that filter. ...
Corey, Richard
Richard.Corey@...
Jan 5, 2008 12:53 am
6379
... The CAN spec does not say anything about that but have other interesting info Its here ...