From 2b11c7c75068f6e25da5cc4ed463ff78b2cc8900 Mon Sep 17 00:00:00 2001
From: marshmellow42 <marshmellowrf@gmail.com>
Date: Sun, 26 Feb 2017 21:44:40 -0500
Subject: [PATCH] adjust timeouts on lf read/lf search to no timeout if
 threshold was set.

NOTE: lf snoop already doesn't have a timeout...
also adjusted PRIx64 to SCNx64 in em410xwrite
---
 client/cmdlf.c     | 23 ++++++++++++++---------
 client/cmdlfem4x.c |  2 +-
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/client/cmdlf.c b/client/cmdlf.c
index 5683a589..dc7185cc 100644
--- a/client/cmdlf.c
+++ b/client/cmdlf.c
@@ -35,7 +35,7 @@
 #include "cmdlfviking.h" // for viking menu
 #include "cmdlfcotag.h"  // for COTAG menu
 
-
+bool threshold_set = false;
 static int CmdHelp(const char *Cmd);
 
 
@@ -510,7 +510,10 @@ int CmdLFSetConfig(const char *Cmd)
 		case 't':
 			errors |= param_getdec(Cmd,cmdp+1,&unsigned_trigg);
 			cmdp+=2;
-			if(!errors) trigger_threshold = unsigned_trigg;
+			if(!errors) {
+				trigger_threshold = unsigned_trigg;
+				if (trigger_threshold > 0) threshold_set = true;
+			}
 			break;
 		case 'b':
 			errors |= param_getdec(Cmd,cmdp+1,&bps);
@@ -557,7 +560,7 @@ int CmdLFSetConfig(const char *Cmd)
 
 int CmdLFRead(const char *Cmd)
 {
-
+	if (offline) return 0;
 	uint8_t cmdp = 0;
 	bool arg1 = false;
 	if (param_getchar(Cmd, cmdp) == 'h')
@@ -569,12 +572,14 @@ int CmdLFRead(const char *Cmd)
 	UsbCommand c = {CMD_ACQUIRE_RAW_ADC_SAMPLES_125K, {arg1,0,0}};
 	clearCommandBuffer();
 	SendCommand(&c);
-	WaitForResponse(CMD_ACK,NULL);	
-	//if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
-	//	PrintAndLog("command execution time out");
-	//	return 1;
-	//}
-
+	if (threshold_set) {
+		WaitForResponse(CMD_ACK,NULL);
+	} else {
+		if ( !WaitForResponseTimeout(CMD_ACK,NULL,2500) ) {
+			PrintAndLog("command execution time out");
+			return 1;
+		}
+	}
 	return 0;
 }
 
diff --git a/client/cmdlfem4x.c b/client/cmdlfem4x.c
index 38bb5c5d..f9103126 100644
--- a/client/cmdlfem4x.c
+++ b/client/cmdlfem4x.c
@@ -183,7 +183,7 @@ int CmdEM410xWrite(const char *Cmd)
 	int card = 0xFF; // invalid card value
 	unsigned int clock = 0; // invalid clock value
 
-	sscanf(Cmd, "%" PRIx64 " %d %d", &id, &card, &clock);
+	sscanf(Cmd, "%" SCNx64 " %d %d", &id, &card, &clock);
 
 	// Check ID
 	if (id == 0xFFFFFFFFFFFFFFFF) {
-- 
2.39.2