CB1: '/dev/serial/by-path/': No such file or directory

[Morogorn]

I lost serial connection.

root@BTT-CB1:/home/biqu/klipper# ls /dev/serial/by-path/ ls: cannot access '/dev/serial/by-path/': No such file or directory

---

wget https://github.com/bigtreetech/Manta-M8P/blob/master/V1.0_V1.1/Firmware/M8P_bootloader.bin

dfu-util -d ,0483:df11 -R -a 0 -s 0x8000000:leave -D ./M8P_bootloader.bin

Does not work

After click button [boot] + [reboot]: root@BTT-CB1:/home/biqu/klipper# dfu-util -d ,0483:df11 -R -a 0 -s 0x8000000:leave -D ./M8P_bootloader.bin dfu-util 0.9

Copyright 2005-2009 Weston Schmidt, Harald Welte and OpenMoko Inc. Copyright 2010-2016 Tormod Volden and Stefan Schmidt This program is Free Software and has ABSOLUTELY NO WARRANTY Please report bugs to http://sourceforge.net/p/dfu-util/tickets/

dfu-util: Invalid DFU suffix signature dfu-util: A valid DFU suffix will be required in a future dfu-util release!!! Opening DFU capable USB device... ID 0483:df11 Run-time device DFU version 011a Claiming USB DFU Interface... Setting Alternate Setting #0 ... Determining device status: state = dfuIDLE, status = 0 dfuIDLE, continuing DFU mode device DFU version 011a Device returned transfer size 1024 DfuSe interface name: "Internal Flash " Downloading to address = 0x08000000, size = 5045 Download [=========================] 100% 5045 bytes Download done. File downloaded successfully dfu-util: Error during download get_status root@BTT-CB1:/home/biqu/klipper#

Device "0483:df11" apears.

root@BTT-CB1:/tmp# lsusb Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 001 Device 003: ID 0483:df11 STMicroelectronics STM Device in DFU Mode Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

But, if reset: "0483:df11 STMicroelectronics STM Device in DFU Mode" disapear.

@bigtreetech , how solve this?

[Fionoz]

Any solution?

[charchess]

Hi,

I had the exact same issue, they made me flash with the ST link and it solved the issue

Regards

[Morogorn]

Hi,

I had the exact same issue, they made me flash with the ST link and it solved the issue

Can share the link or procedure?

[charchess]

M8PV2 How to upate bootloader with ST LINK.docx

Here is the procedure they send me, hope it'll help

[barrymathes]

@charchess I looked at that doc but it doesn't show what the matching pin connections are between the board and the ST-Link? i list the ones on the ST-Link but the wire colors don't match in the other pic and Biqu doesn't list the pins in the pinout description on any of their documents.