Embedded Systems Weekly – Issue 35

Issue 35 – 15 January 2016

Hardware

Intel CPU Bugs in 2015

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Counting bits in hardware: reverse engineering the silicon in the ARM1 processor

How can you count bits in hardware? In this article, the author reverse-engineer the circuit used by the ARM1 processor to count the number of set bits in a 16-bit field, showing how individual transistors form multiplexers, which are combined into adders, and finally form the bit counter.Share on Twitter ∙ Share on Facebook

App note:Design guidelines for ATtiny43U

A design guidelines for ATtiny43U from Atmel.Share on Twitter ∙ Share on Facebook

10 steps to selecting a microcontroller

Before any thought is given to the microcontroller, the hardware and software engineers should work out the high levels of the system, block diagram and flowchart them and only then is there enough information to start making a rational decision on microcontroller selection. When that point is reached, there are 10 easy steps that can be followed to ensure that the right choice is made.Share on Twitter ∙ Share on Facebook

Software

How to C in 2016

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Simple .INI file parser in C, good for embedded systems

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Guide to x86 Assembly

This guide describes the basics of 32-bit x86 assembly language programming, covering a small but useful subset of the available instructions and assembler directives.Share on Twitter ∙ Share on Facebook

Porting the Ada Runtime to a new ARM board

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Misc

Britney Spears' Guide to Semiconductor Physics

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Takaya 9600

Takaya flying probe tester.Share on Twitter ∙ Share on Facebook

An overcompicated way to disassemble bytes ARMv7 disassembling

Presentation of a way to disassemble bytes in ARMv7Share on Twitter ∙ Share on Facebook

Project Zero: Raising the dead

How to go from a dead Windows process to EoP.Share on Twitter ∙ Share on Facebook

Photo by Felix Rusu