iso14a reader patches [Hagen Fritsch]

[proxmark3-svn] / client / cmdmain.c

diff --git a/client/cmdmain.c b/client/cmdmain.c
index 1e49e6cbcee9eb66b72843c63879dfdcb6d07c77..3388d75fbc64bf4caee8508426b8e5daf578e1b1 100644 (file)
--- a/client/cmdmain.c
+++ b/client/cmdmain.c
@@ -1,3 +1,13 @@
+//-----------------------------------------------------------------------------
+// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
+//
+// This code is licensed to you under the terms of the GNU GPL, version 2 or,
+// at your option, any later version. See the LICENSE.txt file for the text of
+// the license.
+//-----------------------------------------------------------------------------
+// Main command parser entry point
+//-----------------------------------------------------------------------------
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -15,6 +25,7 @@
 
 unsigned int current_command = CMD_UNKNOWN;
 unsigned int received_command = CMD_UNKNOWN;
+UsbCommand current_response;
 
 static int CmdHelp(const char *Cmd);
 static int CmdQuit(const char *Cmd);
@@ -43,22 +54,25 @@ int CmdQuit(const char *Cmd)
   return 0;
 }
 
-void WaitForResponse(uint32_t response_type)
+UsbCommand * WaitForResponseTimeout(uint32_t response_type, uint32_t ms_timeout) {
+       UsbCommand * ret = &current_response;
+       int i=0;
+
+       for(i=0; received_command != response_type && i < ms_timeout / 10; i++) {
+               msleep(10); // XXX ugh
+       }
+
+       if(received_command != response_type)
+               ret = NULL;
+
+       received_command = CMD_UNKNOWN;
+
+       return ret;
+}
+
+UsbCommand * WaitForResponse(uint32_t response_type)
 {
-  while (received_command != response_type) {
-#ifdef WIN32
-    // FIXME: Do we really need this under windows or is it
-    // just some historical code?
-    // pthread seems to be availabe for win32 nowadays
-    // so we should be able to port the code and get rid
-    // of this part.
-    UsbCommand c;
-    if (ReceiveCommandPoll(&c))
-      UsbCommandReceived(&c);
-#endif
-    msleep(10); // XXX ugh
-  }
-  received_command = CMD_UNKNOWN;
+       return WaitForResponseTimeout(response_type, -1);
 }
 
 //-----------------------------------------------------------------------------
@@ -137,7 +151,11 @@ void UsbCommandReceived(UsbCommand *UC)
       return;
     default:
     unexpected_response:
-    PrintAndLog("unrecognized command %08x\n", UC->cmd);
-    break;
+
+       if(UC->cmd != CMD_ACK)
+               PrintAndLog("unrecognized command %08x\n", UC->cmd);
+       else
+               memcpy(&current_response, UC, sizeof(UsbCommand));
+       received_command = UC->cmd;
   }
 }