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Add helper for formatted hex string output

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Grigori Goronzy 2014-01-13 01:38:50 +01:00
parent a82b0e4633
commit fd5bebb8d5
1 changed files with 11 additions and 8 deletions
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19
stcgal.py
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@ -53,6 +53,13 @@ class Utils:
try: return int(val, 0) try: return int(val, 0)
except: raise ValueError("invalid integer") except: raise ValueError("invalid integer")
@classmethod
def hexstr(self, bytestr, sep=""):
"""make formatted hex string output from byte sequence"""
return sep.join(["%02X" % x for x in bytestr])
class BaudType: class BaudType:
"""Check baud rate for validity""" """Check baud rate for validity"""
@ -1015,8 +1022,8 @@ class Stc12Protocol:
def dump_packet(self, data, receive=True): def dump_packet(self, data, receive=True):
if DEBUG: if DEBUG:
print("%s Packet data: " % ("<-" if receive else "->") + print("%s Packet data: %s" % (("<-" if receive else "->"),
" ".join(hex(x) for x in data), file=sys.stderr) Utils.hexstr(data, " ")))
def modular_sum(self, data): def modular_sum(self, data):
"""modular 16-bit sum""" """modular 16-bit sum"""
@ -1320,9 +1327,7 @@ class Stc12Protocol:
if not self.uid: if not self.uid:
self.uid = response[18:25] self.uid = response[18:25]
print("Target UID: %02X%02X%02X%02X%02X%02X%02X" % print("Target UID: %s" % Utils.hexstr(self.uid))
(self.uid[0], self.uid[1], self.uid[2], self.uid[3], self.uid[4],
self.uid[5], self.uid[6]))
def disconnect(self): def disconnect(self):
"""Disconnect from MCU""" """Disconnect from MCU"""
@ -1543,9 +1548,7 @@ class Stc15Protocol(Stc12Protocol):
if response[0] != 0x50: if response[0] != 0x50:
raise RuntimeError("wrong magic in option packet") raise RuntimeError("wrong magic in option packet")
print("Target UID: %02X%02X%02X%02X%02X%02X%02X" % print("Target UID: %s" % Utils.hexstr(self.uid))
(self.uid[0], self.uid[1], self.uid[2], self.uid[3], self.uid[4],
self.uid[5], self.uid[6]))
class StcGal: class StcGal: