Ignore extra input, more comments to protocol

db/epluse.proto

@@ -3,6 +3,8 @@
 
 Terminator = '';
 ReplyTimeout = 3000;
+# Remove if we can fix the occasional null byte being sent
+ExtraInput = Ignore
 
 # unsolicited weight message
 fetch_rht {
@@ -14,13 +16,16 @@ fetch_rht {
     out 0x00 0x00 0x67 0x02 0x00 0x01 0x6a;
     # First 2 bytes is address
     # 0xca8b is the unit at neutra
-    # command
+    # 0x67 command
-    # length
+    # 0x0A length
-    # ack
+    # 0x06 ack
     # 0x00, unknown what this is
     # 2 ieee_754 floats.
     # Read exactly one char, but drop it. crc8
+
     # The device sometimes adds an extra 0x00 at the end...weird
-    # this is handled with ?c command
+    # I try to handle this with with ?*c command, but it doesn't work
+    # Possibly check with Dirk sometime how to make this work, if possible
+    # For now ignore extra data
     in 0xca 0x8b 0x67 0x0A 0x06 0x00 "%(\$1:TEMP)#R%(\$1:RELHUM)#R%*c%*?1c";  
 }