modify flasher.c to not create a vaild boot magic number if the length
of the file is zero modify mc1322x-load.pl to optionally send a zero length file with -z; extra data on the command line is still written. This allows you to burn the mac adress without flashing a vaild image.
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@ -30,7 +30,7 @@
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* This file is part of libmc1322x: see http://mc1322x.devl.org
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* for details.
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*
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* $Id: flasher.c,v 1.2 2010/07/28 18:43:04 maralvira Exp $
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* $Id: flasher.c,v 1.3 2010/11/07 14:11:50 maralvira Exp $
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*/
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#include <mc1322x.h>
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@ -141,6 +141,14 @@ void main(void) {
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dbg_put_hex32(type);
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dbg_putstr("\n\r");
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/* don't make a valid boot image if the received length is zero */
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if(len == 0) {
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((uint8_t *)buf)[0] = 'N';
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((uint8_t *)buf)[1] = 'O';
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((uint8_t *)buf)[2] = 'N';
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((uint8_t *)buf)[3] = 'O';
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}
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err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)buf, 0, 4);
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dbg_putstr("nvm_write returned: 0x");
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@ -151,8 +159,6 @@ void main(void) {
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err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)&len, 4, 4);
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/* read a byte, write a byte */
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/* byte at a time will make this work as a contiki process better */
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/* for OTAP */
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for(i=0; i<len; i++) {
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c = getc();
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err = nvm_write(gNvmInternalInterface_c, type, (uint8_t *)&c, 8+i, 1);
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@ -15,9 +15,11 @@ my $verbose;
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my $rts = 'rts';
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my $command = '';
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my $do_exit;
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my $zerolen;
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GetOptions ('file=s' => \$filename,
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'secondfile=s' => \$second,
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'zerolen' => \$zerolen,
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'terminal=s' => \$term,
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'verbose' => \$verbose,
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'baud=s' => \$baud,
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@ -31,8 +33,10 @@ $| = 1;
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if($filename eq '') {
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print "Example usage: mc1322x-load.pl -f foo.bin -t /dev/ttyS0 -b 9600\n";
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print " or : mc1322x-load.pl -f flasher.bin -s flashme.bin 0x1e000,0x11223344,0x55667788\n";
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print " or : mc1322x-load.pl -f flasher.bin -z 0x1e000,0x11223344,0x55667788\n";
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print " -f required: binary file to load\n";
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print " -s optional: secondary binary file to send\n";
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print " -z optional: send a zero length file as secondary\n";
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print " -t terminal default: /dev/ttyUSB0\n";
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print " -b baud rate default: 115200\n";
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print " -r [none|rts] flow control default: rts\n";
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@ -65,6 +69,7 @@ $ob->rts_active(1);
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my $s = 0;
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my $reset = 0;
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my $size = 0;
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while(1) {
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@ -97,27 +102,34 @@ while(1) {
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}
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print $ret . "\n";
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if (-e $filename) {
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if (-e $filename || (defined($zerolen) && ($s == 1))) {
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my $size = -s $filename;
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if(defined($zerolen) && ($s == 1)) {
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$size = 0;
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} else {
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$size = -s $filename;
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}
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print ("Size: $size bytes\n");
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$ob->write(pack('V',$size));
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open(FILE, $filename) or die($!);
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print "Sending $filename\n";
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my $i = 1;
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while(read(FILE, $c, 1)) {
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$i++;
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usleep(50); # this is as fast is it can go...
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usleep(50) if ($s==1);
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$ob->write($c);
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if(($s == 0) ||
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((!defined($zerolen)) && ($s == 1))) {
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open(FILE, $filename) or die($!);
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print "Sending $filename\n";
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my $i = 1;
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while(read(FILE, $c, 1)) {
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$i++;
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usleep(50); # this is as fast is it can go...
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usleep(50) if ($s==1);
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$ob->write($c);
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}
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}
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}
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last if ($s==1);
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if((-e $second)) {
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if((-e $second) || defined($zerolen)) {
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$s=1; $filename = $second;
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} else {
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last;
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