def dta_pol_p2p(clf, args):
sot = "004000011002010E".decode("hex") # start of test command
gbi = '' # 'Ffm' + "010111".decode("hex") # general bytes from initiator
ato = 1.0 # activation timeout
lto = 1.0 # link timeout
dep = nfc.dep.Initiator(clf)
if dep.activate(timeout=ato, brs=1, gbi=gbi) is not None:
log.info("enter nfc-dep initiator loop")
log.info("link timeout set to {0} seconds".format(lto))
try:
data = dep.exchange(send_data=sot, timeout=lto)
while data is not None:
# log.info("rcvd data %s", hexlify(data).decode())
if data == b"\xFF\xFF\xFF\x01\x01":
dep.deactivate(release=False)
break
if data == b"\xFF\xFF\xFF\x01\x02":
dep.deactivate(release=True)
break
# log.info("send back %s", hexlify(data).decode())
data = dep.exchange(send_data=data, timeout=lto)
except nfc.clf.DigitalProtocolError as error:
log.error(repr(error))
finally:
log.info("exit nfc-dep target loop")
def dta_pol_p2p(clf, args):
sot = "004000011002010E".decode("hex") # start of test command
gbi = '' # 'Ffm' + "010111".decode("hex") # general bytes from initiator
ato = 1.0 # activation timeout
lto = 1.0 # link timeout
dep = nfc.dep.Initiator(clf)
if dep.activate(timeout=ato, brs=1, gbi=gbi) is not None:
log.info("enter nfc-dep initiator loop")
log.info("link timeout set to {0} seconds".format(lto))
try:
data = dep.exchange(send_data=sot, timeout=lto)
while data is not None:
# log.info("rcvd data {0}".format(data.encode("hex")))
if data == "FFFFFF0101".decode("hex"):
dep.deactivate(release=False)
break
if data == "FFFFFF0102".decode("hex"):
dep.deactivate(release=True)
break
# log.info("send back {0}".format(data.encode("hex")))
data = dep.exchange(send_data=data, timeout=lto)
except nfc.clf.DigitalProtocolError as error:
log.error(repr(error))
finally:
log.info("exit nfc-dep target loop")
def dta_lis_p2p(clf, args):
dep = nfc.dep.Target(clf)
gbt = '' #'Ffm' + "010111".decode("hex")
if dep.activate(timeout=1.0, wt=8, gbt=gbt) is not None:
log.info("enter nfc-dep target loop")
rwt = 4096/13.56E6 * 2**8
data = dep.exchange(None, timeout=1.0)
while data is not None:
#log.info("rcvd data {0}".format(data.encode("hex")))
if data == "FFFFFF0103".decode("hex"):
if dep.send_timeout_extension(2) == 2:
sleep(1.5 * rwt)
else: break
if len(data) == 6 and data.startswith("\xFF\x00\x00\x00"):
log.info("pattern number: " + data[4:6].encode("hex"))
pattern_number = data[4:6]
#log.info("send back {0}".format(data.encode("hex")))
data = dep.exchange(data, timeout=1.0)
dep.deactivate()
log.info("exit nfc-dep target loop")
def dta_lis_p2p(clf, args):
dep = nfc.dep.Target(clf)
gbt = '' # 'Ffm' + "010111".decode("hex")
if dep.activate(timeout=1.0, wt=8, gbt=gbt) is not None:
log.info("enter nfc-dep target loop")
rwt = 4096/13.56E6 * 2**8
data = dep.exchange(None, timeout=1.0)
while data is not None:
# log.info("rcvd data %s", hexlify(data).decode())
if data == b"\xFF\xFF\xFF\x01\x03":
if dep.send_timeout_extension(2) == 2:
sleep(1.5 * rwt)
else:
break
if len(data) == 6 and data.startswith(b"\xFF\x00\x00\x00"):
log.info("pattern number: %s", hexlify(data[4:6]).decode())
# pattern_number = data[4:6]
# log.info("send back %s", hexlify(data).decode())
data = dep.exchange(data, timeout=1.0)
dep.deactivate()
log.info("exit nfc-dep target loop")