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30f2a7d38f
typo fixes in iso14443a code, added the missing "tools" directory, added initial elements for online/offline detection for commands.
36 lines
583 B
Perl
36 lines
583 B
Perl
#!/usr/bin/perl
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# endian-swap S records; we need this because the JTAG tools we're using
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# expect the memory image in byte-swapped format
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#
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# Jonathan Westhues, April 2004
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if(@ARGV == 0) {
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die "usage: $0 file-to-endian-swap.s19 > out.s19\n";
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}
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while(<>) {
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chomp;
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if(/^S0/) {
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next;
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}
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if(/^S7/) {
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print "$_\n";
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next;
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}
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if(not /^S3(..)(........)(.*)(..)$/) {
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die "bad S record at line $.\n";
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}
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$data = $3;
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$checksum = $4;
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print "S3$1$2";
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while($data =~ m#(..)(..)(..)(..)#g) {
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print "$4$3$2$1";
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}
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print "$checksum\n";
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}
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