Merge pull request #246 from marshmellow42/master

[proxmark3-svn] / armsrc / BigBuf.c

diff --git a/armsrc/BigBuf.c b/armsrc/BigBuf.c
index 51fafdebc22b3b872a8a6b1cba3a9f34bfc2567e..a5fcea7d288515227fa6af5ca015efef69578459 100644 (file)
--- 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
@@ -88,6 +99,16 @@ void BigBuf_free_keep_EM(void)
        }
 }
 
+void BigBuf_print_status(void)
+{
+       Dbprintf("Memory");
+       Dbprintf("  BIGBUF_SIZE.............%d", BIGBUF_SIZE);
+       Dbprintf("  BigBuf_hi  .............%d", BigBuf_hi);
+       Dbprintf("Tracing");
+       Dbprintf("  tracing ................%d", tracing);
+       Dbprintf("  traceLen ...............%d", traceLen);
+}
+
 
 // return the maximum trace length (i.e. the unallocated size of BigBuf)
 uint16_t BigBuf_max_traceLen(void)
@@ -96,9 +117,6 @@ uint16_t BigBuf_max_traceLen(void)
 }
 
 void clear_trace() {
-       uint8_t *trace = BigBuf_get_addr();
-       uint16_t max_traceLen = BigBuf_max_traceLen();
-       memset(trace, 0x44, max_traceLen);
        traceLen = 0;
 }
 
@@ -171,7 +189,7 @@ bool RAMFUNC LogTrace(const uint8_t *btBytes, uint16_t iLen, uint32_t timestamp_
        traceLen += iLen;
 
        // parity bytes
-       if (iLen != 0) {
+       if (num_paritybytes != 0) {
                if (parity != NULL) {
                        memcpy(trace + traceLen, parity, num_paritybytes);
                } else {