import random
import string

count = 0

for x in range(1,100):
  tx_str = ''.join([random.choice(string.ascii_letters + string.digits) for n in range(10)])
  uart = UART(1, baudrate=10, bits=8,parity=UART.EVEN)
  uart.write(tx_str)
  print("Nadano: " + tx_str)
  print('Odczyt...')
  rx_str=uart.readall()
  print("Odebrano: " + rx_str)

  if len(tx_str) == len(rx_str):
    for i in range(1,len(tx_str)):
      if tx_str[i] != rx_str[i]:
        count = count+1

print("Ilość błędów w ramce: " + str(count))