X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/d976c9ddb2b57ff690cbdca033f5423983f60635..59d86bafb73b420c7c26131626c48243488a4f2b:/armsrc/BigBuf.c

diff --git a/armsrc/BigBuf.c b/armsrc/BigBuf.c
index a938d5c6..a5fcea7d 100644
--- a/armsrc/BigBuf.c
+++ b/armsrc/BigBuf.c
@@ -13,6 +13,7 @@
 #include "proxmark3.h"
 #include "apps.h"
 #include "string.h"
+#include "util.h"
 
 // BigBuf is the large multi-purpose buffer, typically used to hold A/D samples or traces.
 // Also used to hold various smaller buffers and the Mifare Emulator Memory.
@@ -50,11 +51,21 @@ uint8_t *BigBuf_get_EM_addr(void)
 
 // clear ALL of BigBuf
 void BigBuf_Clear(void)
+{
+	BigBuf_Clear_ext(true);
+}
+// clear ALL of BigBuf
+void BigBuf_Clear_ext(bool verbose)
 {
 	memset(BigBuf,0,BIGBUF_SIZE);
-	Dbprintf("Buffer cleared (%i bytes)",BIGBUF_SIZE);
+	if (verbose) 
+		Dbprintf("Buffer cleared (%i bytes)",BIGBUF_SIZE);
 }
 
+void BigBuf_Clear_keep_EM(void)
+{
+	memset(BigBuf,0,BigBuf_hi);
+}
 
 // allocate a chunk of memory from BigBuf. We allocate high memory first. The unallocated memory
 // at the beginning of BigBuf is always for traces/samples
@@ -178,8 +189,12 @@ bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_
 	traceLen += iLen;
 
 	// parity bytes
-	if (parity != NULL && iLen != 0) {
-		memcpy(trace + traceLen, parity, num_paritybytes);
+	if (num_paritybytes != 0) {
+		if (parity != NULL) {
+			memcpy(trace + traceLen, parity, num_paritybytes);
+		} else {
+			memset(trace + traceLen, 0x00, num_paritybytes);
+		}
 	}
 	traceLen += num_paritybytes;
 
@@ -228,6 +243,8 @@ int LogTraceHitag(const uint8_t * btBytes, int iBits, int iSamples, uint32_t dwP
 
 	return TRUE;
 }
+
+
 // Emulator memory
 uint8_t emlSet(uint8_t *data, uint32_t offset, uint32_t length){
 	uint8_t* mem = BigBuf_get_EM_addr();