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Topics - AgentJJ

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Share Your Photos / The First Five Years: Season One Photography
« on: August 16, 2014, 01:44:02 AM »
Here are some publicity photos shot with ML (which promotes the series which is shot with ML Raw).




Here's an introduction from another post for those interested in the series:
Quote
The First Five Years Productions, LLC has just finished and premiered the first season of the absurdist comedy, The First Five Years!

The Series was shot on the Canon 650D with Magic Lantern Raw.  The series utilizes several in-house proprietary LUTS, color transforms, and pipeline applications to supplement the Magic Lantern workflow.  If there is enough interest, we'll post a case study on the workflow.

Either way, take a few moments to escape reality in the odd universe that is The First Five Years.  The entire series can be found at the following link:

http://jackandcarmen.com

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Share Your Videos / The First Five Years: Season One. It Begins.
« on: August 14, 2014, 09:08:04 PM »
The First Five Years Productions, LLC has just finished and premiered the first season of the absurdist comedy, The First Five Years!

The Series was shot on the Canon 650D with Magic Lantern Raw.  The series utilizes several in-house proprietary LUTS, color transforms, and pipeline applications to supplement the Magic Lantern workflow.  If there is enough interest, we'll post a case study on the workflow. 

Either way, take a few moments to escape reality in the odd universe that is The First Five Years.  The entire series can be found at the following link:

http://jackandcarmen.com


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Reverse Engineering / Embedded Systems & Development [LEARNING]
« on: July 10, 2013, 03:18:12 AM »
Great Resources on learning embedded development & systems.

Takes you through the entire process of a generic OS on an embedded system.  Great for understanding development tools (compiler/assembler/linker/make) and diagrams of how embedded systems deal with memory and such.
http://www.transitmagazine.com/toc.html

Bare Metal Development on ARM.  Gets an OS up and running on ARM in less than 2 hours:
http://www.gnudd.com/wd/thos.pdf

Great overview of some simple basics of a GNU toolchain and ARM:
http://www.bravegnu.org/gnu-eprog/index.html

Linkers and Loaders.  Linkers were a HUGE aha moment for me.  On par with learning the call stack.  Deals more with x86 in this article, but fundamentals still apply.
http://www.linuxjournal.com/article/6463

Bootloader basics on ARM.  Covers how a typical bootloader might work on a particular system:
http://markdingst.blogspot.com/2012/06/make-own-bootloader-for-arm-cortex-m3.html

If you're starting out, here's a possible order of things to learn:
-Computer layout basics (CPU, Memory, Controllers, and I/O)
-Learn how to use a terminal. (I personally find using linux(ubuntu) much easier for learning this stuff)
-C programming.  Get a GOOD grip on pointers, data types and structures: http://www2.its.strath.ac.uk/courses/c/
-Assembly programming on ARM (grit your teeth and bare it.  Minimum is to be able to somewhat read and makeout what is going on): http://www.coranac.com/tonc/text/asm.htm
-GNU Toolchain.  Know the toolchain.  Love the toolchain.  Understand how a Makefile lays out a build of a program.  Understand the flow from C/Assembly through a compiler/assembler to object files (see below).  Get a good understanding of how object files are put together with the linker to form relocatable object files and executable object files. http://www.transitmagazine.com/lib0011.html
-Dig into the Magic Lantern repository.  Learn mercurial and how to pull the "repo".  Start to read the code starting from reboot.c.  Go line by line, making sure you understand each line (excruciatingly tedious at first if you're just beginning, but trust me.  It'll get much faster sooner than you think!)

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Reverse Engineering / Firmware Dumping and Loading into IDA
« on: June 27, 2013, 01:32:57 AM »
I've been up and down this forum. 
Where can I find info on dumping the canon firmware, decrypting and loading into IDA (or similiar)?
This is particularly for the recent 650D firmware release.  I've some experience with C/C++, uControllers and the like and would be very interested in joining development to move things forward.
Thanks

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