fwversion

无线网卡驱动程序 802.11b无线网卡可直接移植到2.6内核中去

#!/bin/sh
#
# fwversion <fwfile.h>
#
# Report the version of an Atmel firmware image contained in <fwfile.h> (header
# file must be in the form produced by fwconvert)

hdrfile="$1"

define=`grep '#define FW_.*_INTERNAL' $hdrfile | sed -e 's/.* \(FW_[^ ]*_INTERNAL\).*/\1/'`

tmpdir=`mktemp -d /usr/tmp/fwversion.XXXXXX || exit 1`

tmp_c_file="$tmpdir/fwv.c"
tmp_x_file="$tmpdir/fwv"

cat > $tmp_c_file <<EOF
#include <stdio.h>

#include <${hdrfile}>
unsigned char fw[] = ${define};

unsigned char tag[] = "ATMEL_AP";
#define TAG_LEN 8

int main(int argc, char *argv[]) {
	int i;
	int major, minor, sub, build;

	for (i=0; i<sizeof(fw)-TAG_LEN-0x38; i++) {
		if (!memcmp(&fw[i], tag, TAG_LEN)) {
			major = fw[i+0x34];
			minor = fw[i+0x35];
			sub   = fw[i+0x36];
			build = fw[i+0x37];
			printf("%d.%d.%d #%d\n", major, minor, sub, build);
			return 0;
		}
	}
	return 1;
}
EOF

gcc -I . -o "$tmp_x_file" "$tmp_c_file" && $tmp_x_file

rm -rf "$tmpdir"