import serial


def checksum(array):
	checksum = (sum(DataArray) ^ 255) + 1
	checksum = hex(checksum)
	return checksum[-2:]

def processbyte(byte):
	if byte.hex() != checksum(DataArray):
		DataArray.append(int.from_bytes(byte, byteorder='little'))
	else:
		print(f'MID: {str(DataArray[0]):4}', end=" ")
		print(f'Data: 0x{DataArray[1:].hex().upper():30}', end=" ")
		print(f'CS: 0x{checksum(DataArray).upper():3}')
		DataArray.clear()


com = serial.Serial()
com.port = "COM28"
com.baudrate = 9600
com.timeout= (1/9600)*22
com.STOPBITS = 1
com.PARITIES = 0
com.set_buffer_size = 21
com.interCharTimeout = 0.01

DataArray = bytearray()

if ~com.is_open:
	com.open()

while(com.is_open):
	if(com.in_waiting):
		byte = com.read()
		processbyte(byte)