31 lines
1.1 KiB
Python
Executable file
31 lines
1.1 KiB
Python
Executable file
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"))
|
|
env.Replace(LDSCRIPT_PATH="buildroot/share/PlatformIO/ldscripts/mks_robin_nano.ld")
|
|
|
|
# Encrypt ${PROGNAME}.bin and save it as 'Robin_nano.bin'
|
|
def encrypt(source, target, env):
|
|
import os
|
|
|
|
key = [0xA3, 0xBD, 0xAD, 0x0D, 0x41, 0x11, 0xBB, 0x8D, 0xDC, 0x80, 0x2D, 0xD0, 0xD2, 0xC4, 0x9B, 0x1E, 0x26, 0xEB, 0xE3, 0x33, 0x4A, 0x15, 0xE4, 0x0A, 0xB3, 0xB1, 0x3C, 0x93, 0xBB, 0xAF, 0xF7, 0x3E]
|
|
|
|
firmware = open(target[0].path, "rb")
|
|
robin = open(target[0].dir.path +'/Robin_nano.bin', "wb")
|
|
length = os.path.getsize(target[0].path)
|
|
position = 0
|
|
try:
|
|
while position < length:
|
|
byte = firmware.read(1)
|
|
if position >= 320 and position < 31040:
|
|
byte = chr(ord(byte) ^ key[position & 31])
|
|
robin.write(byte)
|
|
position += 1
|
|
finally:
|
|
firmware.close()
|
|
robin.close()
|
|
env.AddPostAction("$BUILD_DIR/${PROGNAME}.bin", encrypt);
|