Re: Which ISP programmer for FreeBSD?

[Axel Rau]

Am 16.04.22 um 12:49 schrieb Didrik Madheden:
> To begin with, could you please run the avrdude command with the -vvvv 
> switch (maximum verbose) and show the output?

See attachment.
What I see there, does this mean, that avrdude has received something at 
all from the programmer?
> Are you sure that ttyU1 is the correct serial port and that your user 
> has access to it?
No. Sorry this was an old copy&paste from the beginning. Its cuau0 or 1.

 (If you've tried for two weeks you've probably checked
> that, but just confirming.) Does /dev/ttyU1 still exist when the device 
> is not connected? Perhaps BSD has a list of predefined virtual serial 
> ports and connecting the device actually changes nothing...
>
> The device you're linking to claims to have a specially developed 
> firmware. STK500 is normally a serial based protocol which should make 
> it compatible everywhere, but it's possible that the author implemented 
> a USB virtual serial port in some way that's incompatible with BSD.
>
> Could you figure out the VID and PID of the device? On Linux this would 
> be done for example with the lsusb command or by looking at the dmesg 
> log. Not sure how it's done in FreeBSD.
- - -
root@home2l:/ # usbconfig -d 0.4 dump_device_desc
ugen0.4: <ERFOS AVR-ISP2> at usbus0, cfg=0 md=HOST spd=FULL (12Mbps) 
pwr=ON (500mA)

  bLength = 0x0012
  bDescriptorType = 0x0001
  bcdUSB = 0x0200
  bDeviceClass = 0x0002  <Communication device>
  bDeviceSubClass = 0x0000
  bDeviceProtocol = 0x0000
  bMaxPacketSize0 = 0x0040
  idVendor = 0x16c0
  idProduct = 0x2a9b
  bcdDevice = 0x4340
  iManufacturer = 0x0001  <ERFOS>
  iProduct = 0x0002  <AVR-ISP2>
  iSerialNumber = 0x0003  <19331-49101-552>
  bNumConfigurations = 0x0001
- - -
There is a thread in freebsd-hardware:
  https://marc.info/?l=freebsd-hardware&r=1&b=202204&w=2

Axel
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