text: import os
  Import("env")
  
  # Relocate firmware from 0x08000000 to 0x08007000
  for define in env['CPPDEFINES']:
      if define[0] == "VECT_TAB_ADDR":
          env['CPPDEFINES'].remove(define)
  env['CPPDEFINES'].append(("VECT_TAB_ADDR", "0x08007000"))
  
  custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/ldscripts/mks_robin_pro.ld")
  for i, flag in enumerate(env["LINKFLAGS"]):
      if "-Wl,-T" in flag:
          env["LINKFLAGS"][i] = "-Wl,-T" + custom_ld_script
      elif flag == "-T":
          env["LINKFLAGS"][i + 1] = custom_ld_script
  
  # Encrypt ${PROGNAME}.bin and save it as 'Robin.bin'
  def encrypt(source, target, env):
      import sys
  
      key = [0xA3, 0xBD, 0xAD, 0x0D, 0x41, 0x11, 0xBB, 0x8D, 0xDC, 0x80, 0x2D, 0xD0, 0xD2, 0xC4, 0x9B, 0x1E, 0x26, 0xEB, 0xE3, 0x33, 0x4A, 0x15, 0xE4, 0x0A, 0xB3, 0xB1, 0x3C, 0x93, 0xBB, 0xAF, 0xF7, 0x3E]
  
      firmware = open(target[0].path, "rb")
      robin = open(target[0].dir.path +'/Robin_pro.bin', "wb")
      length = os.path.getsize(target[0].path)
      position = 0
      try:
          while position < length:
              byte = firmware.read(1)
              if position >= 320 and position < 31040:
                  byte = chr(ord(byte) ^ key[position & 31])
                  if sys.version_info[0] > 2:
                      byte = bytes(byte, 'latin1')
              robin.write(byte)
              position += 1
      finally:
          firmware.close()
          robin.close()
  env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", encrypt);
  