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