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main.c, pgm.c, pgm.h: Add the -x option to pass extended parameters to

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the programmer backend.

jtagmkII.c: Implement the extended parameter jtagchain=
to support JTAG daisy-chains.

avrdude.1, doc/avrdude.texi: Document all of the above.


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@761 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
Joerg Wunsch
2007-11-06 19:42:16 +00:00
parent 7beb66e99c
commit f5c3910d48
8 changed files with 169 additions and 5 deletions
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36
doc/avrdude.texi
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@@ -244,13 +244,14 @@ Roth.
@menu
* Option Descriptions::
* Programmers accepting extended parameters::
* Example Command Line Invocations::
@end menu
@c
@c Node
@c
@node Option Descriptions, Example Command Line Invocations, Command Line Options, Command Line Options
@node Option Descriptions, Programmers accepting extended parameters, Command Line Options, Command Line Options
@section Option Descriptions
@noindent
@@ -747,6 +748,12 @@ Enable verbose output.
@item -V
Disable automatic verify check when uploading data.
@item -x @var{extended_param}
Pass @var{extended_param} to the chosen programmer implementation as
an extended parameter. The interpretation of the extended parameter
depends on the programmer itself. See below for a list of programmers
accepting extended parameters.
@item -y
Tells AVRDUDE to use the last four bytes of the connected parts' EEPROM
memory to track the number of times the device has been erased. When
@@ -774,7 +781,32 @@ should not be used.
@c
@c Node
@c
@node Example Command Line Invocations, , Option Descriptions, Command Line Options
@node Programmers accepting extended parameters, Example Command Line Invocations, Option Descriptions, Command Line Options
@section Programmers accepting extended parameters
@table @code
@item JTAG ICE mkII
@itemx AVR Dragon
When using the JTAG ICE mkII or AVR Dragon in JTAG mode, the
following extended parameter is accepted:
@table @code
@item @var{jtagchain=UB,UA,BB,BA}
Setup the JTAG scan chain for @var{UB} units before, @var{UA} units
after, @var{BB} bits before, and @var{BA} bits after the target AVR,
respectively.
Each AVR unit within the chain shifts by 4 bits.
Other JTAG units might require a different bit shift count.
@end table
@end table
@page
@c
@c Node
@c
@node Example Command Line Invocations, , Programmers accepting extended parameters, Command Line Options
@section Example Command Line Invocations
@noindent