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bugfix: only write to infomem if empty

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This commit is contained in:
Fredrik Osterlind 2013-08-16 15:02:08 +02:00
parent 7c125ced9a
commit 96968cb35e
1 changed files with 25 additions and 13 deletions
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38
tools/cooja/apps/mspsim/src/se/sics/cooja/mspmote/interfaces/MspMoteID.java
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@ -84,19 +84,31 @@ public class MspMoteID extends MoteID {
moteID = newID;
/* Write node-unique infomem entry, used to configure node_id and node_mac */
if (mote.getMemory().getMemorySegment(0x1980, 10) != null) {
byte[] infomem = new byte[10];
infomem[0] = (byte) 0xab; /* magic */
infomem[1] = (byte) 0xcd; /* magic */
infomem[2] = (byte) 0x02;
infomem[3] = (byte) 0x12;
infomem[4] = (byte) 0x74;
infomem[5] = (byte) 0x00;
infomem[6] = (byte) 0x00;
infomem[7] = (byte) 0x01;
infomem[8] = (byte) ((newID << 8) & 0xFF);
infomem[9] = (byte) (newID & 0xFF);
mote.getMemory().setMemorySegment(0x1980, infomem);
byte[] infomemCurrent = mote.getMemory().getMemorySegment(0x1980, 10);
if (infomemCurrent != null) {
/* Only write to infomem is nothing else resides there */
boolean ffOnly = true;
for (byte b: infomemCurrent) {
if (b != (byte) 0xff) {
ffOnly = false;
break;
}
}
if (ffOnly) {
byte[] infomem = new byte[10];
infomem[0] = (byte) 0xab; /* magic */
infomem[1] = (byte) 0xcd; /* magic */
infomem[2] = (byte) 0x02;
infomem[3] = (byte) 0x12;
infomem[4] = (byte) 0x74;
infomem[5] = (byte) 0x00;
infomem[6] = (byte) 0x00;
infomem[7] = (byte) 0x01;
infomem[8] = (byte) ((newID << 8) & 0xFF);
infomem[9] = (byte) (newID & 0xFF);
mote.getMemory().setMemorySegment(0x1980, infomem);
}
}
if (moteMem.variableExists("node_id")) {