CHG: Crapto1 v3.3 now with comments, and I've tried to unnest some loops.

[proxmark3-svn] / armsrc / BigBuf.c

diff --git a/armsrc/BigBuf.c b/armsrc/BigBuf.c
index 2fb50a47ea2e4cee910a84c333f4f90d28153ece..f3f23ddc9fe40b56004c1fe27e93fce17b1900ec 100644 (file)
--- a/armsrc/BigBuf.c
+++ b/armsrc/BigBuf.c
@@ -50,8 +50,14 @@ 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);
+       if (verbose) 
        Dbprintf("Buffer cleared (%i bytes)",BIGBUF_SIZE);
 }
 
@@ -88,6 +94,16 @@ 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 +112,6 @@ 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;
 }
 
@@ -171,9 +184,9 @@ 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);
+                       memcpy(trace + traceLen, parity, num_paritybytes);
                } else {
                        memset(trace + traceLen, 0x00, num_paritybytes);
                }
@@ -226,7 +239,6 @@ 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();