dmesg after connecting usbasp: ugen0 at uhub0 port 1 "www.fischl.de USBasp" rev 1.10/1.02 addr 2
What you could do is, # usermod -G wheel [user] # chmod 660 /dev/usb[your port] On Wed, Aug 14, 2024 at 07:22:27AM +0200, Rob Schmersel wrote: > On Wed, 14 Aug 2024 01:47:05 +0300 > kodcode <kodc...@gmx.com> wrote: > > > Doesn't work for me. > > Have you tried your solution (with an usbasp)? > > > > On Sun, Aug 11, 2024 at 06:35:50PM +0200, Rob Schmersel wrote: > > > On Sun, 11 Aug 2024 00:51:31 +0300 > > > kodcode <kodc...@gmx.com> wrote: > > > > > > > Please try to run your command as root. > > > > (I don't need to specify the port with -P) > > > > > > > > - > > > > kodcode > > > > On Sat, Aug 03, 2024 at 09:06:33PM +0800, Sadeep Madurange wrote: > > > > > On 2024-08-03 15:39:14, Sadeep Madurange wrote: > > > > > > I'm trying to flash a atmega328p using avrdude using > > > > > > > > > > > > avrdude -p atmega328p -c usbasp -P /dev/cuaU0 -D -U > > > > > > flash:w:blink.ihex:i > > > > > > > > > > > > The command fails with error > > > > > > > > > > > > avrdude: error: could not find USB device with vid=0x16c0 > > > > > > pid=0x5dc vendor='www.fischl.de' product='USBasp' > > > > > > > > > > I managed to get things working with the arduino programmer > > > > > instead of usbasp. > > > > > > > > > > -- > > > > > Sadeep Madurange > > > > > PGP: 103BF9E3E750BF7E > > > > > > > > > > > > > > > Or better yet, add 'dialer' as a group to your user: > > > # usermod -G dialer [user] > > > > > > > I have not tried it with avrdude/usbasp as I don't own one, but > serial ports are owned by root:dialer. > > sfp$ ls -l /dev/cua* > crw-rw---- 1 root dialer 8, 128 Aug 11 16:59 /dev/cua00 > crw-rw---- 1 root dialer 8, 129 Aug 11 16:59 /dev/cua01 > ... > crw-rw---- 1 root dialer 66, 128 Aug 11 16:59 /dev/cuaU0 > crw-rw---- 1 root dialer 66, 129 Aug 11 16:59 /dev/cuaU1 > ... > > So adding yourself to the dialer group will allow access > to the ports from your user. This works for me with other devices, e.g. > accessing the serial port on an SBC/microcontroller (even programming > arduino's directly) > > What does dmesg show for the usbasp when connected? If it does not show > as a ucom device it will indeed not work >
