X-Git-Url: http://git.zerfleddert.de/cgi-bin/gitweb.cgi/proxmark3-svn/blobdiff_plain/37824afe63d044fbaa37aaa5c0f84164216cb9c4..976627d5ba2939ffcdf34b68d620b566ba1afa93:/client/cmdlft55xx.c

diff --git a/client/cmdlft55xx.c b/client/cmdlft55xx.c
index b357e71c..0007f175 100644
--- a/client/cmdlft55xx.c
+++ b/client/cmdlft55xx.c
@@ -670,6 +670,7 @@ int CmdT55xxWriteBlock(const char *Cmd)
 	}
 	
 	UsbCommand c = {CMD_T55XX_WRITE_BLOCK, {data, block, 0}};
+	UsbCommand resp;
  	c.d.asBytes[0] = 0x0; 
 
 	PrintAndLog("Writing to block: %d  data  : 0x%08X", block, data);
@@ -681,6 +682,10 @@ int CmdT55xxWriteBlock(const char *Cmd)
 		PrintAndLog("pwd   : 0x%08X", password);
 	}
 	SendCommand(&c);
+	if (!WaitForResponseTimeout(CMD_ACK, &resp, 1000)){
+		PrintAndLog("Error occurred, device did not ACK write operation. (May be due to old firmware)");
+		return -1;
+	}
 	return 0;
 }