tcpmodbus.c

Check for timeout when reading.  Added more error checking. Some
housekeeping to make it easier to follow the code, name changes and more
descriptive comments.

r3785 | ffr | 2012-11-05 12:20:41 +1100 (Mon, 05 Nov 2012) | 5 lines

site_ansto/hardsup/sct_tcpmodbus.c

@@ -304,6 +304,9 @@ int TCPMBReading(Ascon *a) {
   }
   if (allRead == 0 && aduLen >= (6 + RespLen)) {
     /* all of response has been read */
+    /* FIXME If the Length field (ie RespLen) is wrong then we loop forever waiting for a response.
+       Can this be detected automatically (eg timeout) and reset?
+    */
     allRead = 1;
   }
   if (allRead) {