Use construct for EF_AD in pySim-{shell, prog, read}.py, cards.py

Also serves as example for RFU (reserved for future use) fields
which should not always be reset to zero in case they have been
set on the uSIM for some reason.
See pySim/ts_51_011.py, class EF_AD.

* Add definitions for RFU {Flag, Bits, Byte, Bytes}
* Use IntEnum for OP_MODE (convenient auto completion)
* Remove obsolete definitions and imports
* Update test results for all SIMs (opmode strings are shortened)

Change-Id: I65e0a426f80a619fec38856a30e590f0e726b554

pySim/cards.py

@@ -175,29 +175,27 @@ class Card(object):
 
 		# read from card
 		raw_hex_data, sw = self._scc.read_binary(EF['AD'], length=None, offset=0)
-		raw_bin_data = h2b(raw_hex_data)
-		abstract_data = ad.decode_bin(raw_bin_data)
+		abstract_data = ad.decode_hex(raw_hex_data)
 
 		# perform updates
-		if mnc:
+		if mnc and abstract_data['extensions']:
 			mnclen = len(str(mnc))
 			if mnclen == 1:
 				mnclen = 2
 			if mnclen > 3:
 				raise RuntimeError('invalid length of mnc "{}"'.format(mnc))
-			abstract_data['len_of_mnc_in_imsi'] = mnclen
+			abstract_data['extensions']['mnc_len'] = mnclen
 		if opmode:
-			opmode_symb = ad.OP_MODE.get(int(opmode, 16))
-			if opmode_symb:
-				abstract_data['ms_operation_mode'] = opmode_symb
+			opmode_num = int(opmode, 16)
+			if opmode_num in [int(v) for v in EF_AD.OP_MODE]:
+				abstract_data['ms_operation_mode'] = opmode_num
 			else:
 				raise RuntimeError('invalid opmode "{}"'.format(opmode))
 		if ofm:
-			abstract_data['specific_facilities']['ofm'] = bool(int(ofm, 16))
+			abstract_data['ofm'] = bool(int(ofm, 16))
 
 		# write to card
-		raw_bin_data = ad.encode_bin(abstract_data)
-		raw_hex_data = b2h(raw_bin_data)
+		raw_hex_data = ad.encode_hex(abstract_data)
 		data, sw = self._scc.update_binary(EF['AD'], raw_hex_data)
 		return sw