matekasse_NFC-Reader/NFC_Reader.py

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import time
import nfc
def get_reader():
devices = subprocess.check_output("lsusb")
for i in devices.split(b'\n'):
if str(i).__contains__("Advanced Card Systems, Ltd ACR122U"):
bus = str(i).split(":")[0].split(" Device ")[0].split("Bus ")[1]
device = str(i).split(":")[0].split("Device ")[1]
return("usb:{}:{}".format(bus, device))
raise Exception("\n\n Error: NFC reader not found")
def onTagSense(tag):
id = int.from_bytes(tag.identifier, "big")
print(id)
return True
def start_nfc_normal():
device = get_reader()
clf = nfc.ContactlessFrontend(device)
clf.open(device)
while True:
clf.connect(rdwr={'on-connect': onTagSense, 'beep-on-connect': True })
if __name__ == "__main__":
start_nfc_normal()