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Code Issues Releases Wiki Activity

Added debug printing to debuglink communication

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This commit is contained in:
slush0 2014-02-25 19:31:31 +01:00
parent 31454ffda6
commit 4b9cc6cb78
1 changed files with 21 additions and 16 deletions
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37
trezorlib/debuglink.py
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@ -7,6 +7,9 @@ def pin_info(pin):
def button_press(yes_no): def button_press(yes_no):
print "User pressed", '"y"' if yes_no else '"n"' print "User pressed", '"y"' if yes_no else '"n"'
def pprint(msg):
return "<%s> (%d bytes):\n%s" % (msg.__class__.__name__, msg.ByteSize(), msg)
class DebugLink(object): class DebugLink(object):
def __init__(self, transport, pin_func=pin_info, button_func=button_press): def __init__(self, transport, pin_func=pin_info, button_func=button_press):
self.transport = transport self.transport = transport
@ -17,9 +20,17 @@ class DebugLink(object):
def close(self): def close(self):
self.transport.close() self.transport.close()
def _call(self, msg, nowait=False):
print "DEBUGLINK SEND", pprint(msg)
self.transport.write(msg)
if nowait:
return
ret = self.transport.read_blocking()
print "DEBUGLINK RECV", pprint(ret)
return ret
def read_pin(self): def read_pin(self):
self.transport.write(proto.DebugLinkGetState()) obj = self._call(proto.DebugLinkGetState())
obj = self.transport.read_blocking()
print "Read PIN:", obj.pin print "Read PIN:", obj.pin
print "Read matrix:", obj.matrix print "Read matrix:", obj.matrix
@ -44,39 +55,33 @@ class DebugLink(object):
return pin_encoded return pin_encoded
def read_layout(self): def read_layout(self):
self.transport.write(proto.DebugLinkGetState()) obj = self._call(proto.DebugLinkGetState())
obj = self.transport.read_blocking()
return obj.layout return obj.layout
def read_mnemonic(self): def read_mnemonic(self):
self.transport.write(proto.DebugLinkGetState()) obj = self._call(proto.DebugLinkGetState())
obj = self.transport.read_blocking()
return obj.mnemonic return obj.mnemonic
def read_node(self): def read_node(self):
self.transport.write(proto.DebugLinkGetState()) obj = self._call(proto.DebugLinkGetState())
obj = self.transport.read_blocking()
return obj.node return obj.node
def read_word(self): def read_word(self):
self.transport.write(proto.DebugLinkGetState()) obj = self._call(proto.DebugLinkGetState())
obj = self.transport.read_blocking()
return (obj.word, obj.word_pos) return (obj.word, obj.word_pos)
def read_entropy(self): def read_entropy(self):
self.transport.write(proto.DebugLinkGetState()) obj = self._call(proto.DebugLinkGetState())
obj = self.transport.read_blocking()
return obj.entropy return obj.entropy
def read_passphrase_protection(self): def read_passphrase_protection(self):
self.transport.write(proto.DebugLinkGetState()) obj = self._call(proto.DebugLinkGetState())
obj = self.transport.read_blocking()
return obj.passphrase_protection return obj.passphrase_protection
def press_button(self, yes_no): def press_button(self, yes_no):
print "Pressing", yes_no print "Pressing", yes_no
self.button_func(yes_no) self.button_func(yes_no)
self.transport.write(proto.DebugLinkDecision(yes_no=yes_no)) self._call(proto.DebugLinkDecision(yes_no=yes_no), nowait=True)
def press_yes(self): def press_yes(self):
self.press_button(True) self.press_button(True)
@ -85,4 +90,4 @@ class DebugLink(object):
self.press_button(False) self.press_button(False)
def stop(self): def stop(self):
self.transport.write(proto.DebugLinkStop()) self._call(proto.DebugLinkStop(), nowait=True)