https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266840
Bug ID: 266840
Summary: umodem: CH552 is not attached
Product: Base System
Version: CURRENT
Hardware: Any
OS: Any
Status: New
Severity: Affects Only
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266840
--- Comment #1 from Tomoyuki Sakurai ---
Oct 5 15:43:15 t480s kernel: ugen0.6: at usbus0
Oct 5 15:43:15 t480s kernel: umodem0 on uhub0
Oct 5 15:43:15 t480s kernel: umodem0: on usbus0
Oct 5 15:43:15 t480s kernel: umodem0: data interfac
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266840
Hans Petter Selasky changed:
What|Removed |Added
CC||hsela...@freebsd.org
--- Com
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266840
Hans Petter Selasky changed:
What|Removed |Added
Resolution|--- |Not A Bug
Status
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266819
--- Comment #10 from Chris Hutchinson ---
Unless there's anything else that might be performed here.
I'm inclined to close this. It also occurs to me that given
I could not find this elusive solution anywhere on the
internet, including the
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266840
--- Comment #3 from Tomoyuki Sakurai ---
(In reply to Hans Petter Selasky from comment #2)
i understand what is going on (i think).
the board is a development board.
https://github.com/WeActStudio/WeActStudio.CH552CoreBoard
when a button
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266840
--- Comment #4 from Tomoyuki Sakurai ---
below is dump_device_desc when the bootloader is running.
ugen0.6: at usbus0, cfg=0 md=HOST spd=FULL
(12Mbps) pwr=ON (100mA)
bLength = 0x0012
bDescriptorType = 0x0001
bcdUSB = 0x0110
bD
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=266840
--- Comment #5 from Hans Petter Selasky ---
I think you need a special tool using libusb to access this device.
umodem does not support this kind of devices :-(
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--- Comment #6 from Hans Petter Selasky ---
Adding, to...@cedro.info . Have you seen such a device before? What do you
think?
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--- Comment #7 from Tomoyuki Sakurai ---
(In reply to Hans Petter Selasky from comment #5)
things get clearer. there are several tools to upload firmware.
https://github.com/MarsTechHAN/ch552tool
https://github.com/hexeguitar/CH55x_python
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