X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/61972abbdd0a03832cae7d5ae58548fed11e619e..5ee53a0e75c48de359108f5d21d4b829ed504467:/armsrc/hitag2.c

diff --git a/armsrc/hitag2.c b/armsrc/hitag2.c
index 4b173d6f..02dff46e 100644
--- a/armsrc/hitag2.c
+++ b/armsrc/hitag2.c
@@ -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();
 		
@@ -905,7 +907,7 @@ void SnoopHitag(uint32_t type) {
     AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS;
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
     LED_A_OFF();
-	
+	set_tracing(TRUE);
 //	Dbprintf("frame received: %d",frame_count);
 //	Dbprintf("Authentication Attempts: %d",(auth_table_len/8));
 //	DbpString("All done");
@@ -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);
@@ -973,7 +976,7 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) {
 	AT91C_BASE_PMC->PMC_PCER = (1 << AT91C_ID_TC1);
 	AT91C_BASE_PIOA->PIO_BSR = GPIO_SSC_FRAME;
 	
-  // Disable timer during configuration	
+    // Disable timer during configuration	
 	AT91C_BASE_TC1->TC_CCR = AT91C_TC_CLKDIS;
 
 	// Capture mode, default timer source = MCK/2 (TIMER_CLOCK1), TIOA is external trigger,
@@ -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();
 		
@@ -1093,7 +1096,7 @@ void SimulateHitagTag(bool tag_mem_supplied, byte_t* data) {
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
 	
 	DbpString("Sim Stopped");
-	
+	set_tracing(TRUE);
 }
 
 void ReaderHitag(hitag_function htf, hitag_data* htd) {
@@ -1165,6 +1168,7 @@ void ReaderHitag(hitag_function htf, hitag_data* htd) {
 			
 		default: {
 			Dbprintf("Error, unknown function: %d",htf);
+			set_tracing(FALSE);
 			return;
 		} break;
 	}
@@ -1214,26 +1218,27 @@ void ReaderHitag(hitag_function htf, hitag_data* htd) {
 	lastbit = 1;
 	bStop = false;
 
-  // Tag specific configuration settings (sof, timings, etc.)
-  if (htf < 10){
-    // hitagS settings
-    reset_sof = 1;
-    t_wait = 200;
-    DbpString("Configured for hitagS reader");
-  } else if (htf < 20) {
-    // hitag1 settings
-    reset_sof = 1;
-    t_wait = 200;
-    DbpString("Configured for hitag1 reader");
-  } else if (htf < 30) {
-    // hitag2 settings
-    reset_sof = 4;
-    t_wait = HITAG_T_WAIT_2;
-    DbpString("Configured for hitag2 reader");
+	// Tag specific configuration settings (sof, timings, etc.)
+	if (htf < 10){
+		// hitagS settings
+		reset_sof = 1;
+		t_wait = 200;
+		DbpString("Configured for hitagS reader");
+	} else if (htf < 20) {
+		// hitag1 settings
+		reset_sof = 1;
+		t_wait = 200;
+		DbpString("Configured for hitag1 reader");
+	} else if (htf < 30) {
+		// hitag2 settings
+		reset_sof = 4;
+		t_wait = HITAG_T_WAIT_2;
+		DbpString("Configured for hitag2 reader");
 	} else {
-    Dbprintf("Error, unknown hitag reader type: %d",htf);
-    return;
-  }
+		Dbprintf("Error, unknown hitag reader type: %d",htf);
+		set_tracing(FALSE);	
+		return;
+	}
 		
 	while(!bStop && !BUTTON_PRESS()) {
 		// Watchdog hit
@@ -1271,6 +1276,7 @@ void ReaderHitag(hitag_function htf, hitag_data* htd) {
 			} break;
 			default: {
 				Dbprintf("Error, unknown function: %d",htf);
+				set_tracing(FALSE);
 				return;
 			} break;
 		}
@@ -1378,7 +1384,7 @@ void ReaderHitag(hitag_function htf, hitag_data* htd) {
 	AT91C_BASE_TC1->TC_CCR = AT91C_TC_CLKDIS;
 	AT91C_BASE_TC0->TC_CCR = AT91C_TC_CLKDIS;
 	FpgaWriteConfWord(FPGA_MAJOR_MODE_OFF);
-	Dbprintf("frame received: %d",frame_count);
-  DbpString("All done");
-  cmd_send(CMD_ACK,bSuccessful,0,0,(byte_t*)tag.sectors,48);
-}
+	Dbprintf("DONE: frame received: %d",frame_count);
+	cmd_send(CMD_ACK,bSuccessful,0,0,(byte_t*)tag.sectors,48);
+  	set_tracing(FALSE);
+}
\ No newline at end of file