On Tue, Mar 05, 2024 at 09:50:09PM +0800, Mike Miller wrote: > Since sending you the email, a couple of things I have also noticed. > > 1. If I run the Audrino IDE (on windows), I have to plug in the device > after I initiate the upload of the script (it actally tells me to do it). > > 2. I have to use a specific cable (1 of 3 I have tried). > > 3. It doesnt create the ACM0 device I was expecting and ttyS0 doesnt > work (not ttys4, which are the only 2 options). The generic USB serial driver, which you tried to use and which printed the message about reporting this upstream, would have created a ttyUSB0 character device if it worked. But as I mentioned below, and as is clear from the lsusb output you posted, the device in question does not have any bulk endpoints, which the USB serial driver requires. I don't know how this device is expected to work, but it does not look like a serial device in its current (default) configuration. Perhaps it needs to be reconfigured before you can use it somehow. > Anyway, to your particular request, with the "right" cable, the lsusb -v > output is > Bus 001 Device 022: ID 16d0:0753 MCS Digistump DigiSpark > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 1.10 > bDeviceClass 255 Vendor Specific Class > bDeviceSubClass 0 > bDeviceProtocol 0 > bMaxPacketSize0 8 > idVendor 0x16d0 MCS > idProduct 0x0753 Digistump DigiSpark > bcdDevice 2.02 > iManufacturer 0 > iProduct 0 > iSerial 0 > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 0x0012 > bNumInterfaces 1 > bConfigurationValue 1 > iConfiguration 0 > bmAttributes 0x80 > (Bus Powered) > MaxPower 100mA > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 0 > bInterfaceClass 0 > bInterfaceSubClass 0 > bInterfaceProtocol 0 > iInterface 0 > Device Status: 0x0067 > Self Powered > Remote Wakeup Enabled > Test Mode > Debug Mode > On 4/3/24 18:21, Johan Hovold wrote: > > On Wed, Feb 07, 2024 at 08:48:12PM +0800, Mike Miller wrote: > >> I am struggling to get a cheap arse Chinese knock-off Arduino Nano > >> working on my > >> > >> Linux MyLinux 6.5.0-15-generic #15~22.04.1-Ubuntu SMP PREEMPT_DYNAMIC > >> Fri Jan 12 18:54:30 UTC 2 x86_64 x86_64 x86_64 GNU/Linux > >> > >> and I get the message > >> > >> [ 2840.099780] usb 2-1.2: new low-speed USB device number 8 using ehci-pci > >> [ 2840.210523] usb 2-1.2: New USB device found, idVendor=16d0, > >> idProduct=0753, bcdDevice= 2.02 > >> [ 2840.210537] usb 2-1.2: New USB device strings: Mfr=0, Product=0, > >> SerialNumber=0 > >> [ 2840.211335] usbserial_generic 2-1.2:1.0: The "generic" usb-serial > >> driver is only for testing and one-off prototypes. > >> [ 2840.211338] usbserial_generic 2-1.2:1.0: Tell > >> linux-usb@xxxxxxxxxxxxxxx to add your device to a proper driver. > >> [ 2840.211340] usbserial_generic 2-1.2:1.0: device has no bulk endpoints > > Hmm. Without bulk endpoints you shouldn't be able to actually use the > > device with the generic driver. Johan
