mirror of https://github.com/ArduPilot/ardupilot
53 lines
1.5 KiB
Python
Executable File
53 lines
1.5 KiB
Python
Executable File
#!/usr/bin/env python3
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import sys, os, shutil, struct
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import intelhex
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# make two intel hex files, one including bootloader and one without
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# for loading with DFU based tools
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if len(sys.argv) != 4:
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print("Usage: make_intel_hex.py BINFILE BOOTLOADER RESERVE_KB")
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sys.exit(1)
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scripts = os.path.dirname(__file__)
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binfile = sys.argv[1]
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bootloaderfile = sys.argv[2]
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reserve_kb = int(sys.argv[3])
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(root,ext) = os.path.splitext(binfile)
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hexfile = root + ".hex"
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hex_with_bl = root + "_with_bl.hex"
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if not os.path.exists(binfile):
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print("Can't find bin file %s" % binfile)
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sys.exit(1)
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if not os.path.exists(bootloaderfile):
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print("Can't find bootloader file %s" % bootloaderfile)
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sys.exit(1)
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blimage = bytes(open(bootloaderfile, "rb").read())
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blimage += bytes(struct.pack('B',255) * (reserve_kb * 1024 - len(blimage)))
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if reserve_kb > 0 and len(blimage) != reserve_kb * 1024:
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print("Bad blimage size %u (want %u)" % (len(blimage), reserve_kb * 1024))
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sys.exit(1)
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appimage = bytes(open(binfile,"rb").read())
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with_bl = blimage + appimage
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tmpfile = hexfile + ".tmp"
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# we either write a _with_bl.hex or a .hex. We don't write both as users get
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# confused if offered a arducopter.hex and try to flash it with INAV DFU
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# flashing tool, not realising it has to be flashed at the correct flash offset
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if reserve_kb > 0:
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open(tmpfile, "wb").write(with_bl)
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intelhex.bin2hex(tmpfile, hex_with_bl, offset=0x08000000)
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else:
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open(tmpfile, "wb").write(appimage)
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intelhex.bin2hex(tmpfile, hexfile, offset=(0x08000000 + reserve_kb*1024))
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os.unlink(tmpfile)
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