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Jan 21st, 2020
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  1. UART.setup("UART1")
  2. with serial.Serial(port="/dev/ttyO1", baudrate=9600) as ser:
  3.     while True:
  4.         amount = server.recv(1024).decode()
  5.         data = ser.read().decode("ascii")
  6.         if sql.execute("select count(*) from klienci where klient =" + data) == 0:
  7.             sql.execute("insert into klienci values(" + data + "," + amount + ")")
  8.         elif sql.execute("select amount from klienci where klient =" + data) >= amount:
  9.             sql.execute("update klienci set amount =" + amount + " where klient =" + data)
  10.             server.send("Transakcja zaakceptowana")
  11.         else:
  12.             server.send("Transakcja odrzucona")
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