X-Git-Url: http://cvs.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/a9104f7e31d6c134f9772fef6df2156ed06c9e78..01aa068b6ff34d86dd5d9d9e962aba20cd490050:/armsrc/i2c.c

diff --git a/armsrc/i2c.c b/armsrc/i2c.c
index 7ef0c9c0..3d16b42c 100644
--- a/armsrc/i2c.c
+++ b/armsrc/i2c.c
@@ -18,6 +18,7 @@
 #include "mifareutil.h" // for MF_DBGLEVEL
 #include "BigBuf.h"
 #include "apps.h"
+#include "usb_cdc.h"
 
 #ifdef WITH_SMARTCARD
 #include "smartcard.h"
@@ -257,10 +258,11 @@ static void I2C_Reset_EnterBootloader(void) {
 	WaitMS(10);
 }
 
-// Wait max 300ms or until SCL goes LOW.
+// Wait max 1800ms or until SCL goes LOW.
+// It timeout reading response from card
 // Which ever comes first
-static bool WaitSCL_L_300ms(void) {
-	volatile uint16_t delay = 310;
+bool WaitSCL_L_timeout(void){
+	volatile uint16_t delay = 1800;
 	while ( delay-- ) {
 		// exit on SCL LOW
 		if (!SCL_read)
@@ -272,8 +274,8 @@ static bool WaitSCL_L_300ms(void) {
 }
 
 static bool I2C_WaitForSim() {
-	// variable delay here.
-	if (!WaitSCL_L_300ms())
+	// wait for data from card
+	if (!WaitSCL_L_timeout())
 		return false;
 
 	// 8051 speaks with smart card.