Added mutex for multiple SPI devices on the same SPI bus

Fork of cc3000_hostdriver_mbedsocket by Martin Kojtal

Revision:
8:4c42ca37ba33
Parent:
7:99b75a51e168
Child:
11:5e3771b29385
--- a/Socket/Socket.cpp	Thu Sep 26 20:03:30 2013 +0000
+++ b/Socket/Socket.cpp	Mon Sep 30 19:29:06 2013 +0000
@@ -101,6 +101,7 @@
     }
 
     _cc3000_module->_socket.closesocket(_sock_fd);
+    _sock_fd = -1;
     return 0;
 }