The Tascam DR-05 is a handheld audio recorder. This repository contains tools to understand and modify its firmware.

The omniscient etherpad: https://public.etherpad-mozilla.org/p/dr05reveng

• BF514, an Analog Devices blackfin digital signal processor
• 2 MiB of flash memory
• 16 MiB of external RAM
• a micro-SD slot
• a Cirrus Logic audio CODEC
• a 128x64 pixel monochrome display with orange backlight

The following tools are not maintained in this repository, but may be useful when dealing with DR-05 firmware:

• Binutils and GCC have been ported to blackfin (including objdump)
• crackwitz's spi-flash-reassembler can reassemble flash memory images from logic analyzer traces.
• binmap: A visualization tool for binaries, vaguely similar to ..cantor.dust..
• QEMU has been ported to blackfin
• If you happen to have the IDA Pro SDK, you can use Andreas Schuler's blackfin plugin. Our fork is compatible with IDA 6.8.
• LdrViewer is a Windows program to view LDR bootstreams, the format that blackfin processors understand