import re
SN_REGEX = re.compile(r"^(?P<sn>^CZP.{16})$")
def sn_gcode(sn):
"""Return Gcodes needed for flashing `sn` into eeprom"""
first = "X"+("".join([hex(letter)[2:] for letter in sn.encode("ascii")])+"00")[:32]
last = "X"+("".join([hex(letter)[2:] for letter in sn.encode("ascii")])+"00")[32:]
return "D3 Ax0d15 C16 %s" % first, "D3 Ax0d25 C4 %s" % last
success = False
while not success:
sn = input("Enter your serial number: ")
if not SN_REGEX.match(sn):
print("Invalid. The serial number should start with CZPX followed by 16 characters. More at: ")
else:
success = True
gcodes = sn_gcode(sn)
print("Open a serial console to your printer using minicom, screen, octoprint pronterface or putty and enter these two commands")
print(gcodes[0])
print(gcodes[1])
print()
print("Use the \"PRUSA SN\" command to ensure your serial number got stored")
