mirror of
https://github.com/eried/portapack-mayhem.git
synced 2024-10-01 01:26:06 -04:00
38e506a108
Simplified messages carrying data (uses shared_memory instead) Added SymField widget (bitfield, symbol field...) Added some space for baseband code BMP palette loading bugfix
87 lines
2.3 KiB
Python
Executable File
87 lines
2.3 KiB
Python
Executable File
#!/usr/bin/env python
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#
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# Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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#
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# This file is part of PortaPack.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2, or (at your option)
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# any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#
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import sys
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usage_message = """
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PortaPack SPI flash image generator
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Usage: <command> <bootstrap_path> <baseband_path> <application_path> <output_path>
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Where paths refer to the .bin files for each component project.
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"""
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def read_image(path):
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f = open(path, 'rb')
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data = f.read()
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f.close()
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return data
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def write_image(data, path):
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f = open(path, 'wb')
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f.write(data)
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f.close()
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if len(sys.argv) != 5:
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print(usage_message)
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sys.exit(-1)
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bootstrap_image = read_image(sys.argv[1])
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baseband_image = read_image(sys.argv[2])
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application_image = read_image(sys.argv[3])
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output_path = sys.argv[4]
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spi_size = 1048576
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images = (
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{
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'name': 'bootstrap',
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'data': bootstrap_image,
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'size': 0x10000,
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},
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{
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'name': 'baseband',
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'data': baseband_image,
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'size': 0x70000,
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},
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{
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'name': 'application',
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'data': application_image,
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'size': len(application_image),
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}
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)
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spi_image = bytearray()
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spi_image_default_byte = bytearray((255,))
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for image in images:
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if len(image['data']) > image['size']:
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raise RuntimeError('data for image "%(name)s" is longer than 0x%(size)x bytes 0x%(sz)x' % {'name':image['name'], 'size':image['size'], 'sz':len(image['data'])})
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pad_size = image['size'] - len(image['data'])
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padded_data = image['data'] + (spi_image_default_byte * pad_size)
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spi_image += padded_data
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if len(spi_image) > spi_size:
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raise RuntimeError('SPI flash image size of %d exceeds device size of %d bytes' % (len(spi_image), spi_size))
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write_image(spi_image, output_path)
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