Embedded Systems Weekly – Issue 37

Issue 37 – 29 January 2016

Hardware

Converting a 500MHz TDS744A to a 1GHz TDS784A

Jay_Diddy_B documented the process for enabling the extended acquisition memory option on TDS7xx scopes. In this thread he shows how he successfully converted a 500 MHz TDS744A to the 1GHz TDS784A.Share on Twitter ∙ Share on Facebook

Conditional instructions in the ARM1 processor, reverse engineered

By carefully examining the layout of the ARM1 processor, it can be reverse engineered. This article describes the interesting circuit used for conditional instructionsShare on Twitter ∙ Share on Facebook

Software

UOS-LPC800

A really simple RTOS for NXP LPC800 series. Perfect to learn RTOSShare on Twitter ∙ Share on Facebook

VxWorks Fuzzing

Vulnerability Mining Debugging & Exploitation of Industrial Control Real-Time Operating SystemsShare on Twitter ∙ Share on Facebook

Embedded Heap Behaviour: Analysis and Improvement

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Virtual Memory with 256 Bytes of RAM

The process of adding virtual memory support to a CPU, a kernel, and a compiler toolchain has made the author realize that there is a lack of good explanations for how all of these parts fit together. He also realized that a surprising number of programming decisions end up relating back to virtual memory in a way that beginners might not realize. Therefore, he will review some of the aspects of virtual memory that he feels aren’t explained elsewhere using this interactive explanation.Share on Twitter ∙ Share on Facebook

Misc

Building a Low-cost Wi-Fi camera

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Hacking the Zsun WiFi SD Card Reader

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High Voltage EPROM Man

Meet EPROM Man. He has an EPROM body, bulb socket head, with a 16MHz crystal for eyes, fuses for arms, fuse clips for hands, adjustable caps for knee caps, and MOSFET feet. Share on Twitter ∙ Share on Facebook

Photo by Norlando Pobre