Comments (3)
Hi,
the gs_usb kernel module had a bug in some older kernel releases. One candleLight device claimed two CAN interfaces (can0 AND can1). Only the first one worked.
If you plug in two candleLight devices, can you check if you get four CAN interfaces, i.e. can0 to can3?
In that case, can0 and can2 should work.
This problem is fixed in newer kernel releases
from candlelight_fw.
I'm using Kernel 4.4.32+on a Raspi B+ and that was a good hint. I've never seen before thate setting up can 0 and can2 is an option. But the two candleLight devices are running fine now.
Two additional questions:
- Does https://github.com/HubertD/socketcan_gs_usb include the fix?
- If I'm using the gs_usb module from 1) or a newer kernel >4.5.x what are the limitations of the amount of candleLight devices? Is it possible to use 4 of them at the same time?
from candlelight_fw.
- yes, the fix is included there
- i'm not sure what the limits are, but 4 of them should work without problems
from candlelight_fw.
Related Issues (20)
- RFC: cmake-presets to select included toolchain file by default ?
- tweak `atexit` to get rid of malloc HOT 2
- RFC : empty fifos + hardware mailboxes when re-enabling CAN ? HOT 6
- startup.c is broken - hardfault with large BSS HOT 8
- While loops in USB ISR HOT 7
- Feature: add support for `GS_CAN_FEATURE_GET_STATE` and `GS_CAN_FEATURE_BERR_REPORTING` HOT 5
- build warning: "_close is not implemented and will always fail" HOT 2
- Canable device hangs after desktop application crash (= stop without disonnecting) HOT 25
- cansequence tool shows wrong telegram order HOT 19
- Clear internal data structures holding unsent frames HOT 1
- Openmoko firmware upgrade , no jumper to enter DFU mode or button HOT 21
- About candlelight and Cangaroo HOT 2
- version for stm32F042C4xx? HOT 7
- No Can Frames recieved after device reset without a power cycle. candleLight Firmware. HOT 7
- CandleLight FD at 8 Mbps HOT 3
- CPU_FAMILY STM32G0B1XK vs. CPU_FAMILY STM32G0B1XE (not comprehensible for rookies) HOT 4
- Potential firmware / driver issue HOT 21
- Problem building firmware for STM32G0B1 HOT 11
- Problem ACK on tx error HOT 1
- CANable-MKS problem HOT 1
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from candlelight_fw.