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Submitted by Grygoriy Fuchedzhy:

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bug #31779: Add support for addressing usbtinyisp with -P option
* usbtiny.c (usbtiny_open): Add logic to distinguish multiple USBtinyISP
programmers by their bus:device tuple.
* doc/avrdude.texi: Document the new functionality.
* avrdude.1: (Ditto.)




git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@974 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch
2011-08-17 15:24:09 +00:00
parent 161291f5ae
commit 31e69c7ecd
4 changed files with 73 additions and 7 deletions
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30
doc/avrdude.texi
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@@ -30,7 +30,7 @@ For avrdude version @value{VERSION}, @value{UPDATED}.
Copyright @copyright{} 2003, 2005 Brian Dean
Copyright @copyright{} 2006 - 2010 J@"org Wunsch
Copyright @copyright{} 2006 - 2011 J@"org Wunsch
Permission is granted to make and distribute verbatim copies of
this manual provided the copyright notice and this permission notice
@@ -707,6 +707,11 @@ be specified as @var{avrdoper}. Libusb support is required on Unix
but not on Windows. For more information about AVR-Doper see
@url{http://www.obdev.at/avrusb/avrdoper.html}.
For the USBtinyISP, which is a simplicistic device not implementing
serial numbers, multiple devices can be distinguished by their
location in the USB hierarchy.
@xref{Troubleshooting} for examples.
For programmers that attach to a serial port using some kind of
higher level protocol (as opposed to bit-bang style programmers),
@var{port} can be specified as @code{net}:@var{host}:@var{port}.
@@ -2324,9 +2329,26 @@ The pin mapping for the JTAG-to-ISP adapter is:
Problem: Multiple USBasp or USBtinyISP programmers connected simultaneously are not
found.
Solution: none at this time. The simplicity of these programmers
doesn't offer a method to distinguish multiple programmers that are
connected simultaneously, so effectively only one of them is supported.
Solution: The USBtinyISP code supports distinguishing multiple
programmers based on their bus:device connection tuple that describes
their place in the USB hierarchy on a specific host. This tuple can
be added to the @var{-P usb} option, similar to adding a serial number
on other USB-based programmers.
The actual naming convention for the bus and device names is
operating-system dependant; AVRDUDE will print out what it found
on the bus when running it with (at least) one @var{-v} option.
By specifying a string that cannot match any existing device
(for example, @var{-P usb:xxx}), the scan will list all possible
candidate devices found on the bus.
Examples:
@example
avrdude -c usbtiny -p atmega8 -P usb:003:025 (Linux)
avrdude -c usbtiny -p atmega8 -P usb:/dev/usb:/dev/ugen1.3 (FreeBSD 8+)
avrdude -c usbtiny -p atmega8 \
-P usb:bus-0/\\.\libusb0-0001--0x1781-0x0c9f (Windows)
@end example
@item
Problem: I cannot do @dots{} when the target is in debugWire mode.