X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/02d352fea75385d80b49a7ab8703692ae307f073..6427695bb4cc103dab95db0d1e646f940b9a0523:/armsrc/hitag2.c

diff --git a/armsrc/hitag2.c b/armsrc/hitag2.c
index 2d064565..7cc6b964 100644
--- a/armsrc/hitag2.c
+++ b/armsrc/hitag2.c
@@ -16,10 +16,10 @@
 // (c) 2012 Roel Verdult
 //-----------------------------------------------------------------------------
 
-#include "../include/proxmark3.h"
+#include "proxmark3.h"
 #include "apps.h"
 #include "util.h"
-#include "../include/hitag2.h"
+#include "hitag2.h"
 #include "string.h"
 #include "BigBuf.h"
 
@@ -710,22 +710,24 @@ void SnoopHitag(uint32_t type) {
 	byte_t rx[HITAG_FRAME_LEN];
 	size_t rxlen=0;
 	
+	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
+	// Clean up trace and prepare it for storing frames
+	set_tracing(TRUE);
+	clear_trace();
+	
 	auth_table_len = 0;
 	auth_table_pos = 0;
+
 	BigBuf_free();
     auth_table = (byte_t *)BigBuf_malloc(AUTH_TABLE_LENGTH);
 	memset(auth_table, 0x00, AUTH_TABLE_LENGTH);
-
-	// Clean up trace and prepare it for storing frames
-	set_tracing(TRUE);
-	clear_trace();
 	
 	DbpString("Starting Hitag2 snoop");
 	LED_D_ON();
 	
 	// Set up eavesdropping mode, frequency divisor which will drive the FPGA
 	// and analog mux selection.
-	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT  | FPGA_LF_EDGE_DETECT_TOGGLE_MODE);
 	FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
 	SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
@@ -763,7 +765,7 @@ void SnoopHitag(uint32_t type) {
 	bSkip = true;
 	tag_sof = 4;
 	
-	while(!BUTTON_PRESS()) {
+	while(!BUTTON_PRESS() && !usb_poll_validate_length()) {
 		// Watchdog hit
 		WDT_HIT();
 		
@@ -922,6 +924,12 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) {
 	bool bQuitTraceFull = false;
 	bQuiet = false;
 	
+	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
+
+	// Clean up trace and prepare it for storing frames
+	set_tracing(TRUE);
+	clear_trace();
+
 	auth_table_len = 0;
 	auth_table_pos = 0;
     byte_t* auth_table;
@@ -929,10 +937,6 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) {
     auth_table = (byte_t *)BigBuf_malloc(AUTH_TABLE_LENGTH);
 	memset(auth_table, 0x00, AUTH_TABLE_LENGTH);
 
-	// Clean up trace and prepare it for storing frames
-	set_tracing(TRUE);
-	clear_trace();
-
 	DbpString("Starting Hitag2 simulation");
 	LED_D_ON();
 	hitag2_init();
@@ -953,7 +957,6 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) {
 	
 	// Set up simulator mode, frequency divisor which will drive the FPGA
 	// and analog mux selection.
-	FpgaDownloadAndGo(FPGA_BITSTREAM_LF);
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_LF_EDGE_DETECT | FPGA_LF_EDGE_DETECT_READER_FIELD);
 	FpgaSendCommand(FPGA_CMD_SET_DIVISOR, 95); //125Khz
 	SetAdcMuxFor(GPIO_MUXSEL_LOPKD);
@@ -989,7 +992,7 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) {
 	// Enable and reset counter
 	AT91C_BASE_TC1->TC_CCR = AT91C_TC_CLKEN | AT91C_TC_SWTRG;
 	
-	while(!BUTTON_PRESS()) {
+	while(!BUTTON_PRESS() && !usb_poll_validate_length()) {
 		// Watchdog hit
 		WDT_HIT();