All Questions
Tagged with can raspberry-pi
15
questions
0
votes
0
answers
28
views
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, ...
2
votes
1
answer
110
views
Two CAN transceivers on the same PCB
I have two CAN transceivers on the same PCB; they are connected to a Raspberry and a PIC32 MCU.
The PIC32 can receive and send any message, but the RPI can rarely receive messages from the ...
0
votes
1
answer
347
views
candump and cansniffer are working but cansend is not working on Raspberry Pi + RS485 CAN HAT (MCP2515)
I connect it at 500k bitrate. Both candump and cansniffer are working, receiving a lot of messages.
I've pinned down the packet ...
0
votes
2
answers
3k
views
CAN bus voltage too low but resistance ok
I have a CAN device (PiCAN2 for Raspberry 2) that fails to send or receive CAN messages. The device itself is working, but no CAN messages are received or sent. Termination resistance is ok, so I ...
1
vote
1
answer
605
views
CAN bus communication between RPi and Arduino
I am trying to communicate between Raspberry Pi and Arduino. In arduino I am using this program to transmit
...
0
votes
1
answer
1k
views
CAN Bus with RS485 CAN HAT for Raspberry PI
I have set up a CAN bus between 2 STM32 Nucleo's, where one is only sending messages and the other one is only reading them. This works, I have also validated this by connecting them to another CAN ...
2
votes
1
answer
49
views
RSPi and dedicated expansion board to read real time data?
I am looking for guidance and advice on how to real-time read values from the diagnostic port of my motorbike (CAN-BUS), using a Raspberry Pi ZERO W and a dedicated expansion board, designed ad-hoc:
...
1
vote
1
answer
93
views
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 ...
0
votes
1
answer
1k
views
MCP2515 wake up CAN device
I am using a CAN Bus shield for a raspberry pi which uses MCP2515. I want to wakeup the connected CAN device, send a message, and put it back to sleep. I am aware there is a sleep mode on CAN ...
0
votes
1
answer
563
views
CAN Problems with MCP2515, MCP2561 and Rpi
I work with some devices which used STM32 MCU and MCP2561.
Theses devices talks on a CAN Bus.
Everything is ok.
But when i plug a Raspberry Pi with a MCP2515(Spi) and a MCP2561.
I see a lot of ...
2
votes
4
answers
1k
views
Raspberry Pi Zero connection to sensor (with I²C or SPI bus interface) over a large distance
SUMMARY:
Here is what works:
Raspberry Pi (I²C) <-> 1 m cable <-> sensor (I²C)
Here is what I'm trying to do (doesn't work, hence question):
Raspberry Pi (I²C) <-> 30 m cable <-> ...
2
votes
1
answer
489
views
Terminator in Raspberry Pi CAN-shield
I am planning to connect (at least) two Raspberry Pi + PiCAN2 shields via CAN.
I think I understand the concept of a daisy-chained multidrop CAN line, but what about using the 120 ohm resistors for ...
0
votes
0
answers
193
views
Increasing distance of I2C circuit
I am using a Raspberry Pi3 to design a system for automation, monitoring, navigation and general management of a boat.
I'll be using quite a lot of I2C sensors (but well under the maximum which I ...
1
vote
2
answers
6k
views
CAN BUS system compatibility? DB9 to M12
I have a CAN SYSTEM with a M12 5pin male plug that acts as a sensor processor. It runs on 12 volt. I am trying to feed this system with a Raspberry Pi B system using this CAN BUS board: http://bit.ly/...
3
votes
1
answer
11k
views
Reading and writing CAN messages through ELM327
I have an OBD-II cable, and an UART-to-OBD-II board which has the ELM327 IC in it. I want to communicate with my ECU by sending-receiving CAN messages. Is it possible to communicate through ELM 327?
...