I have a project with 10 CAN nodes that has a intermittent problem where 2 of the nodes (at different times) stop communicating on the CAN and corrupt the bus...
Brian Edwards
b.edwards@...
Mar 10, 2008 4:27 pm
6528
I have come across a particular combination that is causing the MCP2515 to act very strangely so either this is a really weird 1 in a million bug or I am...
Steve Letkeman
hc12list2005@...
Mar 14, 2008 6:03 pm
6529
Hi everyone, I'm curious about the viability of some of the patents I've seen that have been granted on CAN message content. Some of them appear to go as far...
John Dammeyer
johnd@...
Mar 17, 2008 11:01 pm
6530
Seems like a crazy patent to me. Seems like it's similar to some of the shenanigan that go on with software patents. Something that the States should follow...
Robert Wood
robert.wood@...
Mar 17, 2008 11:39 pm
6531
Not having an MCP2515 to test with, would you like to define "acting strange?" Or do you think that might bias someone else's attempt to replicate? Regards, ...
Allen Pothoof
apothoof@...
Mar 23, 2008 9:08 pm
6532
Hi all, Usually, a basic CAN transmission is done as following : //set the transmission flag CANTRS = TRS1 //wait until the whole frame is transmitted (until...
Marcelo Rodrigues
msrmail@...
Mar 24, 2008 2:36 pm
6533
well... how do I explain this without looking like a complete newb... ok, there isn't any! I use a standard cat-5 wiring scheme for most of my CAN nodes that...
Steve Letkeman
hc12list2005@...
Mar 24, 2008 5:03 pm
6534
[retrying with different destination; sorry if this is a duplicate] Is anyone using a PEAK or IXXAT PCI CAN card on Linux? I'm trying to get some feedback on...
Jeff Frontz
jeff.frontz@...
Mar 24, 2008 5:37 pm
6535
Hi, Actually you do need to know if the transmission was successful otherwise there is no point to using CAN. There are two approaches to sending a message. 1....
John Dammeyer
johnd@...
Mar 24, 2008 5:38 pm
6536
Is anyone using a PEAK or IXXAT PCI CAN card on Linux? I'm trying to get some feedback on others' experiences to use in a vendor justification. Thanks, Jeff ...
Jeff Frontz
jeff.frontz@...
Mar 24, 2008 5:48 pm
6537
Hello, Kvaser HW operates just well. We are using both Win and Linux (2.4.x). We are (sometimes cross-)using several HW - USBCAN-II, Leaf, LapCAN-II and...
heikki.saha@...
Mar 25, 2008 9:25 am
6538
Hi Jeff, we are using the PCI and the PC/104plus card from PEAK under QNX6. They are working very well ... --Armin http://www.steinhoff-automation.com ... -- ...
Armin Steinhoff
steinhoff@...
Mar 25, 2008 3:36 pm
6539
... Jeff, You can also check what is supported by can4linux at: http://www.canexperts.de/engl/canprod/hw_can4linux_ext.html Regards Heinz...
Heinz-Juergen Oertel
oe@...
Mar 25, 2008 5:04 pm
6540
Hello, I would like to implement CANopen protocol in our nodes and I need to transfer a program code. I would like to use SDO segmented transfer, because SDO...
Zbysek Vesely
zbysek.vesely@...
Mar 25, 2008 9:14 pm
6541
... (segment ... Hello Zbysek, It is really your decision. I would say that both methods are in most cases save enough. Most connections are reliable enough,...
Heinz-Juergen Oertel
oe@...
Mar 26, 2008 11:54 am
6542
I am designing CAN in VLSI i. e I am doing verilog RTL coding for CAN. we have a packetizer which will form the frame and transmit through shift reg. We have...
N.Swathi
n.swathi@...
Mar 27, 2008 3:27 pm
6543
CAN can be used for speed up to 1M bps (about 40 meters) with a well designed CAN network. For short distance, I2C, SPI, UART should all work. ... -- View this...
Funny N.
funnynypd@...
Apr 3, 2008 4:12 am
6544
After many people from this forum sending us inquiries (emails and phone calls) about our SAE-J1939 simulator products in the past months, we put more...
Funny NYPD
funnynypd@...
Apr 3, 2008 4:22 am
6545
Have you tried the Microchip C library? It seems many people are using it and sharing experiences. Funny N. Au Group Electronics, New Bedford, MA,...
Funny NYPD
funnynypd@...
Apr 3, 2008 5:07 am
6546
With todays' technology, a C-model will enables you easily build many industry-level products. I think this is why companies cannot open their C language...
Funny NYPD
funnynypd@...
Apr 3, 2008 5:07 am
6547
After many people from this forum sending us inquiries (emails and phone calls) about our SAE-J1939 simulator products in the past months, we put more...
Funny N.
funnynypd@...
Apr 3, 2008 5:09 am
6548
That is similar to a CAN bridge but with opto-couplers, it will help provide isolation between networks. One concern is about the speed of your network, how...
Funny N.
funnynypd@...
Apr 3, 2008 8:02 pm
6549
Hello, Due to the loopback function of a CAN transceiver, two transceivers cannot be hooked up and isolated directly. Logic functions are required. There are...
Corrigan, Steve
s-corrigan1@...
Apr 3, 2008 9:52 pm
6550
The SAE-J1939 defined the Bridge as: "Bridge — A device which stores and forwards messages between two J1939 network segments. This permits changes in the...
Funny NYPD
funnynypd@...
Apr 4, 2008 3:08 am
6551
Hi, if one decide to use a simple CAN Repeater for CAN bus isolation you can not use as long network cables as mentioned in the standards for different CAN bus...
Bertil Bäck
bertil.back@...
Apr 4, 2008 10:54 am
6552
A friend asked me today about using the internal oscillator of a Microchip PIC for a CAN application. Is this possible, advisable? If one looks around at...
YAP
x112358@...
Apr 14, 2008 10:16 am
6553
We made some early experiments in the past with the PIC at 1Mbps, and it wasn´t stable. For lower speeds (up to 125kbps), no problem. So we put in a 16 Mhz...
Osmar Yang
oy@...
Apr 14, 2008 12:07 pm
6554
We had a 50KHz CAN application last year, running on the internal (PIC18F2480) clock - it also failed to work reliably on about 15% of boards. We found it was...
ICull@PGT
ICull@...
Apr 14, 2008 1:52 pm
6555
There are lots of talk about this recently. It is heavily depends on your application environment and communication distance. For instance, SAE J1939 does has...
Funny NYPD
funnynypd@...
Apr 14, 2008 7:58 pm
6556
Hi, Im using str912 (32 bit) controller with a CAN 2.0 B. I have 10 nodes on the network one master and nine slave. I use identifiers for each node. When all...
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