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Replace the fallback of avr_read_byte() and avr_write_byte() to

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avr_read_byte_default() and avr_write_byte_default (resp.) by directly
calling the latter functions from within all programmers that don't
implement their own read_byte()/write_byte() methods.  In turn, make the
read_byte() and write_byte() methods mandatory, and the cmd() method
(direct ISP command) optional instead (it's effectively mandatory for
any programmer using avr_read_byte_default()/avr_write_byte_default()
though).  Remove all the pointless cmd() method stubs from those programmers
that don't need it.

Eliminate avr_read_byte() as it was now completely identical to
pgm->read_byte().


git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk/avrdude@684 81a1dc3b-b13d-400b-aceb-764788c761c2
This commit is contained in:
joerg_wunsch
2006-11-20 15:04:09 +00:00
parent f330e73b79
commit 351f329ec8
14 changed files with 141 additions and 114 deletions
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6
bitbang.c
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@@ -355,4 +355,10 @@ void bitbang_check_prerequisites(PROGRAMMER *pgm)
verify_pin_assigned(pgm, PIN_AVR_SCK, "AVR SCK");
verify_pin_assigned(pgm, PIN_AVR_MISO, "AVR MISO");
verify_pin_assigned(pgm, PIN_AVR_MOSI, "AVR MOSI");
if (pgm->cmd == NULL) {
fprintf(stderr, "%s: error: no cmd() method defined for bitbang programmer\n",
progname);
exit(1);
}
}