Date: Thu, 17 Feb 2022 11:20:34 +0200 From: Daniel Braniss <danny@cs.huji.ac.il> To: Daniel O'Connor <darius@dons.net.au> Cc: freebsd- <hackers@freebsd.org>, "usb@freebsd.org" <usb@FreeBSD.org> Subject: Re: usb CH9102 serial chip Message-ID: <C07DE6BE-65AB-43FA-8C52-2A7D0197767E@cs.huji.ac.il> In-Reply-To: <7DD6E1FA-3EA4-44D9-A272-9E51FB9F2BFC@dons.net.au> References: <C8258774-B183-48DD-905F-260F5999152C@cs.huji.ac.il> <7DD6E1FA-3EA4-44D9-A272-9E51FB9F2BFC@dons.net.au>
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> On 17 Feb 2022, at 11:09, Daniel O'Connor <darius@dons.net.au> wrote: >=20 >=20 >=20 >> On 17 Feb 2022, at 17:47, Daniel Braniss <danny@cs.huji.ac.il> wrote: >> is there some quirk to enable this chip? >> it=E2=80=99s an new riskv esp32 board but I can only use the usb to = download software, no console output from it. >=20 > Are you saying that you can flash the board with it? >=20 > If that is the case then the chip/driver are working fine since that = requires bidirectional communication etc.. >=20 but that works only if I power up the board while pressing a button, = then it also appears as /dev/ttyU0, and so then I can flash, after reset, the device is gone and there are = errors ( BTW, the flashed image workes): Feb 17 09:46:59 pampero kernel: usbd_setup_device_desc: getting device = descriptor at addr 4 failed, USB_ERR_IOERROR Feb 17 09:47:00 pampero kernel: usbd_req_re_enumerate: addr=3D4, set = address failed! (USB_ERR_IOERROR, ignored) Feb 17 09:47:01 pampero kernel: usbd_setup_device_desc: getting device = descriptor at addr 4 failed, USB_ERR_IOERROR Feb 17 09:47:01 pampero kernel: usbd_req_re_enumerate: addr=3D4, set = address failed! (USB_ERR_IOERROR, ignored) Feb 17 09:47:03 pampero kernel: usbd_setup_device_desc: getting device = descriptor at addr 4 failed, USB_ERR_IOERROR Feb 17 09:47:03 pampero kernel: usbd_req_re_enumerate: addr=3D4, set = address failed! (USB_ERR_IOERROR, ignored) Feb 17 09:47:05 pampero kernel: usbd_setup_device_desc: getting device = descriptor at addr 4 failed, USB_ERR_IOERROR Feb 17 09:47:06 pampero kernel: usbd_req_re_enumerate: addr=3D4, set = address failed! (USB_ERR_IOERROR, ignored) Feb 17 09:47:08 pampero kernel: usbd_setup_device_desc: getting device = descriptor at addr 4 failed, USB_ERR_IOERROR Feb 17 09:47:08 pampero kernel: ugen0.4: <Unknown > at usbus0 = (disconnected) Feb 17 09:47:08 pampero kernel: uhub_reattach_port: could not allocate = new device > -- > Daniel O'Connor > "The nice thing about standards is that there > are so many of them to choose from." > -- Andrew Tanenbaum >=20 cheers, danny
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