文件列表:

LICENSE (18092, 2018-11-01)
Makefile (181, 2018-11-01)
guide.pdf (708898, 2018-11-01)
spi.h (8272, 2018-11-01)
tjtag.c (112935, 2018-11-01)
tjtag.h (22887, 2018-11-01)
wiring.jpg (190829, 2018-11-01)

tjtag-pi is a fork of [tjtag][] with support for [Raspberry Pi][pi] which eliminates the need for a PC with parallel port. See [acidice333](https://github.com/acidice333/tjtag-pi)'s fork for running on RPi 3. WARNING ======= Be warned that incorrect usage can lead to a point of no return situation. Before you do anything besides what is described here, please do research on how to use this tool. A good starting point is the excellent and cautionary `guide.pdf` written by the HairyDairyMaid, the original author. Always backup before flashing. Requirements ============ * A Raspberry Pi (I've only tested model B as of late 2013) * [Dual female jumper wires][jumper] to connect GPIO pins to WRT * Pins soldered on the JTAG header on WRT * Beverege to enjoy afterward Setup ===== 1. Hook up the two boards as per the diagram in `wiring.jpg` 2. Power up your WRT 3. Checkout the code, compile and run it $ cd ~ $ git clone git@github.com:oxplot/tjtag-pi.git $ cd tjtag-pi $ make pi $ ./tjtag -probeonly If it gets stuck, try using `/noemw` option. If at this point, your SoC and flash is recognized, you're all set. Enjoy your beverage and look for an appropriate guide that explains how to use tjtag to revive/upgrade your router's firmware. Notes ===== * If you have issues with reliability of your connection, you can slow down the speed of _tjtag_ by using `/delay:N` command line option. `N` is the amount of time to delay flipping the clock signal. The higher the value, the slower the transfer rate. * Due to bit-banging nature of the operation of tjtag, various things affect the transfer speed. The one with most degrading effect is the progress output. Therefore it is recommended to use `/silent` command line option and redirect outputs to `/dev/null` (ie using `&> /dev/null`), after having made sure everything works OK. [jumper]: http://www.seeedstudio.com/depot/1-pin-dualfemale-jumper-wire-100mm-50pcs-pack-p-260.html?cPath=44 [tjtag]: http://sourceforge.net/projects/tjtag/ [pi]: http://www.raspberrypi.org/

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