[avrdude-dev] [bug #22197] Atmel JTAG ICE mkII in ISP mode over USB fail on 2nd Call

[Arnd Begemann]

URL:
  <http://savannah.nongnu.org/bugs/?22197>

                 Summary: Atmel JTAG ICE mkII in ISP mode over USB fail on
2nd Call
                 Project: AVR Downloader/UploaDEr
            Submitted by: abegeman
            Submitted on: Friday 01/02/08 at 07:04
                Category: None
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Arnd
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any

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Details:

Avrdude Version: 5.5
OS: Debian Etch

When i try to call the avrdude 2 times directly after each other like this:

#avrdude -p m88 -c jtag2isp -B 10 -P usb&&avrdude -p m88 -c jtag2iso -B 10 -P
usb

the second call fails with the error:

#avrdude: usbdev_open(): did not find any USB device "usb" 

In the system log you can see that the JTAG ICE mkII is disconnected from usb
after the first call.

By looking into the source code of jtagmII.c i indentify that the disconnect
is caused by command CMND_SIGN_OFF int the function jtagmkII_close.

By adding a new close funktion without CMND_SIGN_OFF for jtag2isp the
Programmer works fine.

Reagards, Arnd




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