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Generate SPI flash image with Python, not dd/cat/head.
Addresses issue #42. Windows users now stand a chance of being able to build an image, and all these zero-byte HackRF binary issues should go away.
This commit is contained in:
Jared Boone
parent
8f326e2d8e
commit
dfe0bd7366
@ -23,11 +23,6 @@ PATH_BOOTSTRAP=bootstrap
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PATH_APPLICATION=application
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PATH_BASEBAND=baseband
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# TODO: Pass these (as #defines?) to Makefiles, use values in code.
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PAD_BOOTSTRAP=0x10000
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PAD_HACKRF_FIRMWARE=65536
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PAD_BASEBAND=0x20000
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TARGET=portapack-h1-firmware
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TARGET_BOOTSTRAP=$(PATH_BOOTSTRAP)/bootstrap
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@ -35,6 +30,8 @@ TARGET_HACKRF_FIRMWARE=hackrf_one_usb_ram
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TARGET_APPLICATION=$(PATH_APPLICATION)/build/application
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TARGET_BASEBAND=$(PATH_BASEBAND)/build/baseband
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MAKE_SPI_IMAGE=tools/make_spi_image.py
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DFU_HACKRF=hackrf_one_usb_ram.dfu
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LICENSE=../LICENSE
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@ -56,19 +53,14 @@ program: $(TARGET).bin
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sleep 1s
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hackrf_spiflash -w $(TARGET).bin
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$(TARGET).bin: $(TARGET_BOOTSTRAP)_pad.bin $(TARGET_HACKRF_FIRMWARE)_dfu_pad.bin $(TARGET_BASEBAND)_pad.bin $(TARGET_APPLICATION).bin
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cat $(TARGET_BOOTSTRAP)_pad.bin $(TARGET_HACKRF_FIRMWARE)_dfu_pad.bin $(TARGET_BASEBAND)_pad.bin $(TARGET_APPLICATION).bin >$(TARGET).bin
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$(TARGET).bin: $(MAKE_SPI_IMAGE) $(TARGET_BOOTSTRAP).bin $(TARGET_HACKRF_FIRMWARE).dfu $(TARGET_BASEBAND).bin $(TARGET_APPLICATION).bin
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$(MAKE_SPI_IMAGE) $(TARGET_BOOTSTRAP).bin $(TARGET_HACKRF_FIRMWARE).dfu $(TARGET_BASEBAND).bin $(TARGET_APPLICATION).bin $(TARGET).bin
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$(TARGET_BOOTSTRAP)_pad.bin: $(TARGET_BOOTSTRAP).elf
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$(CP) -O binary --pad-to $(PAD_BOOTSTRAP) $(TARGET_BOOTSTRAP).elf $(TARGET_BOOTSTRAP)_pad.bin
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$(TARGET_BOOTSTRAP).bin: $(TARGET_BOOTSTRAP).elf
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$(CP) -O binary $(TARGET_BOOTSTRAP).elf $(TARGET_BOOTSTRAP).bin
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$(TARGET_HACKRF_FIRMWARE)_dfu_pad.bin: $(TARGET_HACKRF_FIRMWARE).dfu
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# TODO: Not confident this is reliable. It certainly won't work on Windows.
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# Pad the .dfu with zeros, then truncate to the desired length.
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head -c $(PAD_HACKRF_FIRMWARE) /dev/zero | cat $(TARGET_HACKRF_FIRMWARE).dfu - | head -c $(PAD_HACKRF_FIRMWARE) >$(TARGET_HACKRF_FIRMWARE)_dfu_pad.bin
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$(TARGET_BASEBAND)_pad.bin: $(TARGET_BASEBAND).elf
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$(CP) -O binary --pad-to $(PAD_BASEBAND) $(TARGET_BASEBAND).elf $(TARGET_BASEBAND)_pad.bin
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$(TARGET_BASEBAND).bin: $(TARGET_BASEBAND).elf
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$(CP) -O binary $(TARGET_BASEBAND).elf $(TARGET_BASEBAND).bin
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$(TARGET_APPLICATION).bin: $(TARGET_APPLICATION).elf
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$(CP) -O binary $(TARGET_APPLICATION).elf $(TARGET_APPLICATION).bin
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@ -84,8 +76,8 @@ $(TARGET_BOOTSTRAP).elf: always_check
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clean:
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rm -f $(TARGET).bin
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rm -f $(TARGET_BOOTSTRAP)_pad.bin
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rm -f $(TARGET_BASEBAND)_pad.bin
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rm -f $(TARGET_BOOTSTRAP).bin
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rm -f $(TARGET_BASEBAND).bin
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rm -f $(TARGET_APPLICATION).bin
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$(MAKE) -C $(PATH_BASEBAND) clean
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$(MAKE) -C $(PATH_APPLICATION) clean
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90
firmware/tools/make_spi_image.py
Executable file
90
firmware/tools/make_spi_image.py
Executable file
@ -0,0 +1,90 @@
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#!/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> <hackrf_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) != 6:
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print(usage_message)
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sys.exit(-1)
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input_paths = sys.argv[1:5]
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output_path = sys.argv[5]
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bootstrap_image, hackrf_image, baseband_image, application_image = map(read_image, input_paths)
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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': 'hackrf',
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'data': hackrf_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': 0x20000,
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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 = []
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spi_image_default_byte = '\xff'
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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' % image)
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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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spi_image = ''.join(spi_image)
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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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