Updates and additions required by mbed-os 5.2.2

Dependencies:   SPWF01SA-lapi-1

Dependents:   x-nucleo-iks01a1-test x-nucleo-iks01a1-test

Fork of X_NUCLEO_IDW01M1v2 by ST

Revision:
4:2f3f156a3b0b
Parent:
3:4c2cbca19031
Child:
5:8ee8698d19e3
--- a/SpwfInterface.cpp	Thu Jul 07 11:06:10 2016 +0000
+++ b/SpwfInterface.cpp	Thu Jul 07 13:21:57 2016 +0000
@@ -335,8 +335,8 @@
     //CHECK:Receive for both Client and Server Sockets same?
     recv = _spwf.recv(socket->id, (char*)data, (uint32_t)size);    
     if (recv < 0) {
-        //printf("ret -1\r\n");
-        return NSAPI_ERROR_WOULD_BLOCK;
+        wait_ms(1);//delay of 1ms <for F4>??
+        return NSAPI_ERROR_WOULD_BLOCK;//send this if we want to block call (else timeout will happen)
     }
     return recv;