From 7a8db2f67821d2e55c98a9a4b7badcd17947777d Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Tue, 4 Oct 2016 21:26:19 +0200
Subject: [PATCH 1/1] CHG: "hf legic read" - increased timeout values client
 side, reading MIM1024 takes a bit of time

---
 armsrc/legicrf.c    |  6 ++----
 client/cmdhflegic.c | 16 +++++++---------
 2 files changed, 9 insertions(+), 13 deletions(-)

diff --git a/armsrc/legicrf.c b/armsrc/legicrf.c
index 4e0bc240..2d02b636 100644
--- a/armsrc/legicrf.c
+++ b/armsrc/legicrf.c
@@ -72,7 +72,7 @@ static void setup_timer(void) {
 #define	RWD_TIME_1 120		// READER_TIME_PAUSE 20us off, 80us on = 100us  80 * 1.5 == 120ticks
 #define RWD_TIME_0 60		// READER_TIME_PAUSE 20us off, 40us on = 60us   40 * 1.5 == 60ticks 
 #define RWD_TIME_PAUSE 30	// 20us == 20 * 1.5 == 30ticks */
-#define TAG_BIT_PERIOD 143	// 100us == 100 * 1.5 == 150ticks
+#define TAG_BIT_PERIOD 142	// 100us == 100 * 1.5 == 150ticks
 #define TAG_FRAME_WAIT 495  // 330us from READER frame end to TAG frame start. 330 * 1.5 == 495
 
 #define RWD_TIME_FUZZ 20   // rather generous 13us, since the peak detector + hysteresis fuzz quite a bit
@@ -486,8 +486,6 @@ int legic_write_byte(uint8_t byte, uint16_t addr, uint8_t addr_sz) {
 
 int LegicRfReader(uint16_t offset, uint16_t len, uint8_t iv) {
 	
-	len &= 0x3FF;
-
 	uint16_t i = 0;
 	uint8_t isOK = 1;
 	legic_card_select_t card;
@@ -507,7 +505,7 @@ int LegicRfReader(uint16_t offset, uint16_t len, uint8_t iv) {
 	setup_phase_reader(iv);
 		
 	LED_B_ON();
-	while (i < len) {
+	while (i <= len) {
 		int r = legic_read_byte(offset + i, card.cmdsize);
 		
 		if (r == -1 || BUTTON_PRESS()) {			
diff --git a/client/cmdhflegic.c b/client/cmdhflegic.c
index ae67dd76..13313866 100644
--- a/client/cmdhflegic.c
+++ b/client/cmdhflegic.c
@@ -400,7 +400,7 @@ int CmdLegicRFRead(const char *Cmd) {
 	// OUT-OF-BOUNDS check
 	if ( len + offset > MAX_LENGTH ) {
 		len = MAX_LENGTH - offset;
-		PrintAndLog("Out-of-bound, shorten len to %d", len);
+		PrintAndLog("Out-of-bound, shorten len to %d (0x%02X)", len);
 	}
 	
 	if ( (IV & 0x7F) != IV ){
@@ -412,16 +412,14 @@ int CmdLegicRFRead(const char *Cmd) {
 		IV |= 0x01;
 		PrintAndLog("LSB of IV must be SET");	
 	}
-
-	//PrintAndLog("Using IV: 0x%02x", IV);
 	
 	UsbCommand c = {CMD_READER_LEGIC_RF, {offset, len, IV}};
 	clearCommandBuffer();
 	SendCommand(&c);
 	UsbCommand resp;
-	if (WaitForResponseTimeout(CMD_ACK, &resp, 2000)) {
+	if (WaitForResponseTimeout(CMD_ACK, &resp, 2500)) {
 		uint8_t isOK = resp.arg[0] & 0xFF;
-		uint16_t readlen = resp.arg[1] & 0x3FF;
+		uint16_t readlen = resp.arg[1];
 		 if ( isOK ) {
 
 			uint8_t *data = malloc(readlen);
@@ -435,7 +433,7 @@ int CmdLegicRFRead(const char *Cmd) {
 			
 			// copy data from device
 			GetEMLFromBigBuf(data, readlen, 0);
-			if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2000)){
+			if ( !WaitForResponseTimeout(CMD_ACK, NULL, 2500)){
 				PrintAndLog("Command execute timeout");
 				if ( data ) 
 					free(data);
@@ -616,7 +614,7 @@ int CmdLegicRfWrite(const char *Cmd) {
 	// OUT-OF-BOUNDS check
 	if ( len + offset > MAX_LENGTH ) {
 		len = MAX_LENGTH - offset;
-		PrintAndLog("Out-of-bound, shorten len to %d", len);
+		PrintAndLog("Out-of-bound, shorten len to %d (0x%02X)", len);
 	}
 	if ( (IV & 0x7F) != IV ){
 		IV &= 0x7F;
@@ -659,8 +657,8 @@ int CmdLegicRfRawWrite(const char *Cmd) {
 	
 	// OUT-OF-BOUNDS check
 	if ( offset > MAX_LENGTH ) {
-		offset = MAX_LENGTH;
-		PrintAndLog("Out-of-bound, shorten len to %d", offset);
+		PrintAndLog("Out-of-bound, offset");
+		return 1;
 	}
 	
 	if ( (IV & 0x7F) != IV ){
-- 
2.39.5