From ada339a10f1dbe7694ae92393271a9e156fe9ec4 Mon Sep 17 00:00:00 2001
From: marshmellow42 <marshmellowrf@gmail.com>
Date: Mon, 9 Mar 2015 15:27:20 -0400
Subject: [PATCH] biphase bug fixes
---
armsrc/lfops.c | 5 +++++
client/cmddata.c | 3 ++-
2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/armsrc/lfops.c b/armsrc/lfops.c
index a5c4a64d..468f5830 100644
--- a/armsrc/lfops.c
+++ b/armsrc/lfops.c
@@ -642,6 +642,11 @@ void CmdASKsimTag(uint16_t arg1, uint16_t arg2, size_t size, uint8_t *BitStream)
for (i=0; i<size; i++){
askSimBit(BitStream[i]^invert, &n, clk, manchester);
}
+ if (manchester==0 && BitStream[0]==BitStream[size-1]){ //run a second set inverted (for biphase phase)
+ for (i=0; i<size; i++){
+ askSimBit(BitStream[i]^invert^1, &n, clk, manchester);
+ }
+ }
if (separator==1) Dbprintf("sorry but separator option not yet available");
Dbprintf("Simulating with clk: %d, invert: %d, manchester: %d, separator: %d, n: %d",clk, invert, manchester, separator, n);
diff --git a/client/cmddata.c b/client/cmddata.c
index 0bd8a7a9..e6e4dc0a 100644
--- a/client/cmddata.c
+++ b/client/cmddata.c
@@ -520,6 +520,7 @@ int CmdBiphaseDecodeRaw(const char *Cmd)
PrintAndLog("Biphase Decoded using offset: %d - # errors:%d - data:",offset,errCnt);
printBitStream(BitStream, size);
PrintAndLog("\nif bitstream does not look right try offset=1");
+ if (offset == 1) setDemodBuf(DemodBuffer,DemodBufferLen-1,1); //remove first bit from raw demod
return 1;
}
@@ -534,7 +535,7 @@ void setBiphaseDemodBuf(uint8_t *BitStream, size_t size)
return;
}
for (size_t idx=0; idx<size; idx++){
- if(BitStream[idx]){
+ if(!BitStream[idx]){
rawStream[i++] = curPhase;
rawStream[i++] = curPhase;
curPhase ^= 1;
--
2.39.5