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Emphasise -xeepromrw and -xbootsize=<n> in documentation

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Stefan Rueger 2022-12-20 22:40:27 +00:00
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2 changed files with 16 additions and 5 deletions
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8
src/avrdude.1
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@ -159,7 +159,13 @@ much smaller, eg, as implemented in the urboot project
https://github.com/stefanrueger/urboot. The programmer type ``urclock''
caters for these urboot programmers. Owing to its backward compatibility,
bootloaders that can be served by the arduino programmer can normally
also be served by the urclock programmer.
also be served by the urclock programmer. This may require specifying the
size of (to avrdude) unknown bootloaders in bytes using the
.Fl x Ar bootsize=<n>
option, which is necessary for the urclock programmer to enable it to
protect the bootloader from being overwritten. If an unknown bootloader
has EEPROM read/write capability then the option -x eepromrw informs
avrdude -c urclock of that capability.
.Pp
The BusPirate is a versatile tool that can also be used as an AVR programmer.
A single BusPirate can be connected to up to 3 independent AVRs. See

13
src/doc/avrdude.texi
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@ -292,9 +292,14 @@ Urprotocol is a leaner version of the STK500 1.x protocol that is designed
to be backwards compatible with STK500 v1.x; it allows bootloaders to be
much smaller, eg, as implemented in the urboot project
@uref{https://github.com/stefanrueger/urboot}. The programmer type ``urclock''
caters for these urboot programmers. Owing to its backward compatibility,
bootloaders that can be served by the arduino programmer can normally
also be served by the urclock programmer.
caters for these urboot bootloaders. Owing to its backward compatibility,
bootloaders that can be served by the arduino programmer can normally also
be served by the urclock programmer. This may require specifying the size
of (to AVRDUDE) @emph{unknown} bootloaders in bytes using the @code{-x
bootsize=<n>} option, which is necessary for the urclock programmer to
enable it to protect the bootloader from being overwritten. If an unknown
bootloader has EEPROM read/write capability then the option @code{-x eepromrw}
informs @code{avrdude -c urclock} of that capability.
The BusPirate is a versatile tool that can also be used as an AVR programmer.
A single BusPirate can be connected to up to 3 independent AVRs. See
@ -424,7 +429,7 @@ following MCU types are understood:
@cindex Device support
@multitable @columnfractions .15 .3
@multitable @columnfractions .15 .45
@include parts.texi
@end multitable