Questions tagged [can]
CAN stands for Controller Area Network and is a bus often used in automotive applications. It is a two-wire differential protocol and works on baud rates from 10 kbits/sec to 1 Mbits/sec.
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1-wire verses CAN-bus for home sensing network?
I'm trying to put together a home automation solution for my newly built house. I'm very new to this, specifically for hardware matters and asking this question to verify if my understanding of what I'...
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CAN controller in a CPLD
As I cannot manage to find it done on internet, I wonder if it is possible to program a CAN controller in a CPLD ? It's look like it is going to require a least an FPGA.
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CAN driver - error passive state
I have a device based on TMS470R1B1M from which I try to send CAN standard frames every second. As soon as I turn on the device, the device enters the error passive state.
How do I handle this error ...
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Running a CAN sample project on LPCXpresso LPC11C24
The LPC11C24 has a on-chip CAN transceiver and a section of ROM with CAN driver software. I am trying to run the can_onchip sample project on the LPCXpresso board. ...
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Debugging a LPC23XX based CAN bus sniffer
I am trying to get a CAN bus sniffer working, based on LPC2368. I keep getting a bus error interrupt, of type "form error". I suspect my timing settings. I verified that the sending party is ...
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Multiple devices on a CAN bus via the OBDII diagnostic connector in car
We have an aftermarket cruise control installed (in Suzuki Swift), which is connected to the OBD-II connector to access the CAN bus (according to the installation manual, it uses just CAN-L and CAN-H ...
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CANopen protocol
If a CANopen device is said to be CANopen compliant (for example, compliant to DS 301), is the criteria for saying it to be compliant only based on the Mandatory Object Dictionary Entries supported or ...
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Why won't my CAN transceiver receive messages unless there is a long startup delay or a bus analyzer connected?
I am using a 16-bit MCU, PIC24HJ64GP504, to write a CAN based application. Basically it is communication between my board and one another node which continuously keeps on sending data to my board ...
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CANopen Protocols
I have a CANopen slave stack. Is it possible to implement both the CANopen master and slave functionalities using the same stack? Or is a separate master stack required?
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GND difference between CAN nodes?
I am running a short (2 m) CAN bus with about 20 nodes. 1 Mbit/s speed, PIC 18F2580s and 18F4580s with MCP2551 transceivers, 10 MHz (with PLL to 40 MHz) crystal oscillators. Both ...
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Developer/application board with a CAN/SD card
We have to develop a data logger. I should get some data over CAN (1 MBit/s), compress this data and save it to an SD card. To save time, we would prefer to use as much existing hardware and ...
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MCF5253 CAN controller transmission problem
I am using the MFC5253 controller. It has two CAN channels, CAN 1 and CAN 2. In my project, I am using both of them. Their registers are the same, except for the name (1 and 2).
I can transmit and ...
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Selecting a network layer over CAN bus
I am planning on using CAN bus in an industrial automation application, however I'm having a hard time deciding how to implement the network layer. Does anyone here have any recommendations for a ...
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