github/RRG-Proxmark3
1
0
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-08-14 10:37:23 -07:00
Code Issues Projects Releases Packages Wiki Activity Actions

Less fantasy in the LogTrace usages regarding timestamps

Browse source
This commit is contained in:
Philippe Teuwen 2020-05-19 20:03:27 +02:00
commit be42995f8a
5 changed files with 31 additions and 19 deletions
Download patch file Download diff file Expand all files Collapse all files

20
armsrc/BigBuf.c
View file

@ -156,12 +156,24 @@ bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_
tracing = false; // don't trace any more
return false;
}
if (timestamp_end - timestamp_start > 0x7FFF) {
Dbprintf("Error in LogTrace: duration too long for UINT16: 0x%08x", timestamp_end - timestamp_start);
return false; // duration too long, must be max 15 bits
uint32_t duration;
if (timestamp_end > timestamp_start) {
duration = timestamp_end - timestamp_start;
} else {
duration = (UINT32_MAX - timestamp_start) + timestamp_end;
}
if (duration > 0x7FFF) {
if (DBGLEVEL >= DBG_DEBUG) {
Dbprintf("Error in LogTrace: duration too long for 15 bits encoding: 0x%08x start:0x%08x end:0x%08x", duration, timestamp_start, timestamp_end);
Dbprintf("Forcing duration = 0");
}
duration = 0;
}
hdr->timestamp = timestamp_start;
hdr->duration = timestamp_end - timestamp_start;
hdr->duration = duration;
hdr->data_len = iLen;
hdr->isResponse = !readerToTag;
traceLen += TRACELOG_HDR_LEN;