84 lines
2.8 KiB
Python
84 lines
2.8 KiB
Python
import time
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import usb.core
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import usb.util
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import requests
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import json
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import threading
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USB_IF = 0 # Interface
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USB_TIMEOUT = 5 # Timeout in ms
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USB_VENDOR = 0xffff # Vendor-ID:
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USB_PRODUCT = 0x0035 # Product-ID
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activeCards = {}
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try:
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with open('people.json', 'r') as f:
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activeCards = json.load(f)
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except:
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print("No people.json found")
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class UsbCardReader():
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def __init__(self, **kargs):
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# Find the HID device by vendor/product ID
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self.dev = usb.core.find(idVendor=USB_VENDOR, idProduct=USB_PRODUCT)
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# Get and store the endpoint
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self.endpoint = self.dev[0][(0,0)][0]
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if self.dev.is_kernel_driver_active(USB_IF) is True:
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self.dev.detach_kernel_driver(USB_IF)
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# Claim the device
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usb.util.claim_interface(self.dev, USB_IF)
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self.receivedNumber = 0
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def read(self):
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global activeCards
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print("Priloz kartu")
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while True:
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control = None
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try:
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control = self.dev.read(self.endpoint.bEndpointAddress, self.endpoint.wMaxPacketSize, USB_TIMEOUT)
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if (control[2] != 40) & (control[2] != 0):
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receivedDigit = control[2] - 29
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if receivedDigit == 10:
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receivedDigit = 0
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self.receivedNumber = 10 * self.receivedNumber + receivedDigit
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if (( control[0] == 0 )) & (( control[2] == 40 )) & (( not self.receivedNumber == 0 )):
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try:
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cardPresent = False
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for i in activeCards:
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if activeCards[i] == self.receivedNumber:
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cardPresent = True
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break
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if cardPresent == False:
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assign=threading.Thread(target=self.assign)
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assign.start()
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else:
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print("Naramek jiz zaregistrovan")
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self.receivedNumber = 0
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print("Priloz kartu")
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except Exception as e: print(e)
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except KeyboardInterrupt:
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exit()
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except:
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pass
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time.sleep(0.001)
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def assign(self):
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global activeCards
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n = input("Cislo zavodnika: ")
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activeCards[str(n)] = self.receivedNumber
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with open('people.json', 'w') as f:
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f.write(json.dumps(activeCards, indent = 4))
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self.receivedNumber = 0
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print("Ulozeno, priloz kartu")
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if __name__ == "__main__":
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reader = UsbCardReader()
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print("Zapis zavodniku ready")
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reader.read() |