Arg, never mind...
USB-ISS cannot be used as a programmer after all. With current firmware
the SPI mode does not allow the reset to stay down between SPI-transactions.
~Per
On 2013-10-15 10:18, Per Dalgas Jakobsen wrote:
Hi
I've pruchased a Devantech USB-ISS multi-protocol USB-module, and
Joerg Wunsch wrote:
As Russell Shaw wrote:
I just got a usb AVRISP. What permission should i fix?
You need read/write permission.
As these devices are created dynamically, you cannot do that with a
plain chmod, but you have to consult your systems dynamic device
facilitie's documentation.
On 11/16/2009 09:12 PM, Russell Shaw wrote:
The udev rules are intended for modifying the files in /dev only.
However, avrdude is reading stuff in /proc
According to your original post it's clearly accessing /dev:
open(/dev/bus/usb/007/001, O_RDWR) = -1 EACCES (Permission denied)
Modifying
Joerg Wunsch wrote:
As Russell Shaw wrote:
I just got a usb AVRISP. What permission should i fix?
You need read/write permission.
As these devices are created dynamically, you cannot do that with a
plain chmod, but you have to consult your systems dynamic device
facilitie's documentation.
As Russell Shaw wrote:
Avrdude runs ok as root, but not as a normal user.
Sure, device permission problems.
This returns -1 and i can't figure out why.
That's the way permission problems manifest under Linux: you can still
open the USB device in libusb (apparently, this is done through
Joerg Wunsch wrote:
As Russell Shaw wrote:
Avrdude runs ok as root, but not as a normal user.
Sure, device permission problems.
This returns -1 and i can't figure out why.
That's the way permission problems manifest under Linux: you can still
open the USB device in libusb (apparently,
Russell Shaw wrote:
Joerg Wunsch wrote:
As Russell Shaw wrote:
Avrdude runs ok as root, but not as a normal user.
Sure, device permission problems.
I got it working now. Directory permissions must have been wrong.
I did: sudo chmod -R +X /dev/bus
As Russell Shaw wrote:
I just got a usb AVRISP. What permission should i fix?
You need read/write permission.
As these devices are created dynamically, you cannot do that with a
plain chmod, but you have to consult your systems dynamic device
facilitie's documentation. Most Linux systems use
