X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/7c7327e7c89c3640c5f23330ea5263829cea8b6f..0c9b68b9e857811995d17e80b9c6cbf8d4b9502c:/armsrc/iso14443a.c

diff --git a/armsrc/iso14443a.c b/armsrc/iso14443a.c
index 0a9f7c03..6703cc65 100644
--- a/armsrc/iso14443a.c
+++ b/armsrc/iso14443a.c
@@ -189,13 +189,14 @@ void iso14a_set_trigger(bool enable) {
 
 
 void iso14a_set_timeout(uint32_t timeout) {
-	iso14a_timeout = timeout - (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/(16*8) + 2;
+	// adjust timeout by FPGA delays and 2 additional ssp_frames to detect SOF
+	iso14a_timeout = timeout + (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/(16*8) + 2;
 	if(MF_DBGLEVEL >= 3) Dbprintf("ISO14443A Timeout set to %ld (%dms)", timeout, timeout / 106);
 }
 
 
 uint32_t iso14a_get_timeout(void) {
-	return iso14a_timeout + (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/(16*8) - 2;
+	return iso14a_timeout - (DELAY_AIR2ARM_AS_READER + DELAY_ARM2AIR_AS_READER)/(16*8) - 2;
 }
 
 //-----------------------------------------------------------------------------
@@ -2481,7 +2482,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
 	for(uint32_t sniffCounter = 0; true; ) {
 	
 		if(BUTTON_PRESS()) {
-			DbpString("cancelled by button");
+			DbpString("Canceled by button.");
 			break;
 		}
 
@@ -2538,7 +2539,9 @@ void RAMFUNC SniffMifare(uint8_t param) {
 			if(!TagIsActive) {		// no need to try decoding tag data if the reader is sending
 				uint8_t readerdata = (previous_data & 0xF0) | (*data >> 4);
 				if(MillerDecoding(readerdata, (sniffCounter-1)*4)) {
-					LED_C_INV();
+					LED_B_ON();
+					LED_C_OFF();
+
 					if (MfSniffLogic(receivedCmd, Uart.len, Uart.parity, Uart.bitCount, true)) break;
 
 					/* And ready to receive another command. */
@@ -2553,7 +2556,8 @@ void RAMFUNC SniffMifare(uint8_t param) {
 			if(!ReaderIsActive) {		// no need to try decoding tag data if the reader is sending
 				uint8_t tagdata = (previous_data << 4) | (*data & 0x0F);
 				if(ManchesterDecoding(tagdata, 0, (sniffCounter-1)*4)) {
-					LED_C_INV();
+					LED_B_OFF();
+					LED_C_ON();
 
 					if (MfSniffLogic(receivedResponse, Demod.len, Demod.parity, Demod.bitCount, false)) break;
 
@@ -2575,7 +2579,7 @@ void RAMFUNC SniffMifare(uint8_t param) {
 
 	} // main cycle
 
-	DbpString("COMMAND FINISHED");
+	DbpString("COMMAND FINISHED.");
 
 	FpgaDisableSscDma();
 	MfSniffEnd();