RfidResearchGroup/proxmark3
1
1
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-03-19 11:33:51 +08:00
Code Issues Projects Releases Packages Wiki Activity

fix avg

Browse source
This commit is contained in:
merlokk 2022-07-10 00:29:25 +03:00
parent 903af4412a
commit e7edefe24e
1 changed files with 9 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

13
armsrc/hfsnoop.c
View file

@ -54,7 +54,7 @@ static void RAMFUNC skipSniff(uint8_t *dest, uint16_t dsize, uint8_t skipMode, u
if (accum > (val << 8))
accum = val << 8;
case HF_SNOOP_SKIP_AVG:
accum += (val & 0xff) + (val << 8);
accum += (val & 0xff) + (val >> 8);
default: { // HF_SNOOP_SKIP_DROP and the rest
if (ratioindx == 0)
accum = val & 0xff;
@ -64,10 +64,15 @@ static void RAMFUNC skipSniff(uint8_t *dest, uint16_t dsize, uint8_t skipMode, u
ratioindx++;
if (ratioindx >= skipRatio) {
ratioindx = 0;
if (skipMode == HF_SNOOP_SKIP_AVG)
*dest = accum / (skipRatio * 2);
else
if (skipMode == HF_SNOOP_SKIP_AVG && skipRatio > 0) {
accum = accum / (skipRatio * 2);
if (accum <= 0xff)
*dest = accum;
else
*dest = 0xff;
} else {
*dest = accum;
}
dest++;
dsize --;
accum = 0;