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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CAN Bus Voltage Discrepancy
I’m currently using a sysWORXX USB-CANmodul1 to communicate with a Maxim MAX3051 CAN Transceiver on a custom PCB of mine. I've been having issues with the modul1 losing connectivity with the board. ...
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Canbus bit stuff Error
I was communicating two stm32f4 discovery board and i wanted to create some failure scenario to take precautions. I shorted CANH & CANL and pulled VCC, GND respectively. But now my both of board ...
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Canbus over canberry with raspberry pi two messages together at the same time
Im using a canberry with raspberry pi. Is there any way possible to send two messages at the same time with same id and be received by the other raspberry without any particular chance of getting a ...
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CANopen SYNC object and synchronous window length
In CANopen specification there is an object called Communication Cycle Priod [1006h]. This is the time interval between two consecutive SYNC objects. There is also another object called Synchronous ...
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Change operational mode of CAN transceiver
I have two MCP2515 stand-alone CAN controllers with an SPI interface, two TJA1042 CAN transceivers, and two Arduino Uno boards. As you may know, TJA1042 has two operational modes:
sleep mode
normal ...
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How does the data rate of a CAN bus affect the value of the capacitor used in a split termination scheme?
I'm helping to redesign the CAN bus of an electric car, and we're interested in achieving higher data rates of up to 8 Mbit/s. We have a transceiver selected, a CMC to reduce inductively coupled ...
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STM32F407VG DISCOVERY BOARD micro controller CAN messages
I am wondering if anyone is familiar with any STM32f407VG
micro-controllers?
If so, I am having some problems configuring a CAN driver.
I can run the demo code, which is set to a loop-back mode, but ...
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CAN Bus Debug MCP25625 CAN to SPI to USB (MCP2210)
I am trying to build a CAN - USB converter using the MCP 25625 chip to convert CAN to SPI first and then receive/send the SPI data on an MCP 2210 chip of SPI interface and consequently convert to USB.
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Is it possible to flash an Atmel SAM E70 through a CAN bus without a JTAG?
My circuit board needs to have both a MCU and a CAN connection so it would be nice to be able to cut down on some of the components.
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Datalogger - Multiple CAN Bus
I have around 15 CAN Bus Interfaces (not connected to each other) sending data on the bus and I want to read all the data and forward to a PC (via USB or Ethernet).
I have looked into MCP2515. I will ...
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CAN Transmission not going through
I have a CAN bus set up, my two nodes are the STM32-F429ZIT dev board and a raspberry pi with RS485 CAN hat. I am trying to transmit from the STM32 to the raspberry pi. When I try to run this code, ...
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How do I convert an I2S/TDM signal to a CAN signal
I'm getting output from the Analog Devices ADXL317 and I want to convert the output signal to a CAN signal. I don't think many CAN transceivers can take input from the I2S bus, so I need to find ...
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How may I manually construct CAN message for CANopen?
I understand CANopen uses CAN, the difference is usage and message type. I have basic CAN capable device and I want to control industrial motor controller, which uses CANopen.
I have its EDS file, but ...
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CAN BUS Chassis Grounding
Hoping to get get some guidance on correct grounding for a CAN Bus I have designed. The following diagram gives a high level overview of the system connectivity:
Some notes on the setup:
There are a ...
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AT32F403AVGT7 how to set CAN baud rate for this controller
I am using AT32F403AVGT7 controller but I am not getting any CAN response due to incorrect baud rate. Does anyone know how to set baud rate for this controller? I will share my code below:
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