GCC Toolchain Eclipse Setup Guide for Linux Part 1 — Eclipse and GCC
/ / Embedded Software

GCC Toolchain Eclipse Setup Guide for Linux Part 1 — Eclipse and GCC

This guide is the first part of a Linux version of the guide we previously wrote dealing with setting up an embedded software toolchain within Eclipse. This guide is targeted at readers who need to set up a GCC toolchain within a vanilla Eclipse installation ... Read more
QSPI NOR Flash Part 2 – Memory Organization

QSPI NOR Flash Part 2 – Memory Organization

In the previous article of this series, we looked at the hardware characteristics of QSPI NOR Flash devices such as the package, temperature grade and other such physical considerations. In this article we’ll leave the package attributes behind to focus on the internal features of QSPI devices, starting with the memory organization. This article will cover the overall capacity, multi-stack ... Read more
QSPI NOR Flash Part 1—Hardware Characteristics

QSPI NOR Flash Part 1—Hardware Characteristics

This article series aims to be an introduction to QSPI NOR Flash devices from the point of view of their features and characteristics. This series isn’t meant to be an introduction to NOR flash technology or even to the QSPI protocol itself. It is more about what differentiates one QSPI NOR flash from another. And as is usual with our ... Read more
NOR vs NAND: So You Think You Know the Music?
/ / Embedded Software, TSFS

NOR vs NAND: So You Think You Know the Music?

Those of you who have spent even the slightest amount of time digging around for insights on embedded storage technologies know this: the subspace of the Internet devoted to this particular topic is flooded with short articles comparing NOR and NAND flash technologies. Some are very well-written and genuinely enlightening. But all too often, the sheer accumulation of bland, dry, ... Read more
Managed vs Unmanaged: The Many Roads to Flash Storage
/ / Embedded Software, TSFS

Managed vs Unmanaged: The Many Roads to Flash Storage

The previous article of this introduction series on flash storage was all about two things: the daunting complexity of flash memory and the importance of proper flash management. In essence, it was a warning: blindly heading down the flash road is calling for trouble. Said. Understood. Now what? At this point, a lot of questions remain unanswered. But let's not ... Read more
Taming the Flash Beast
/ / Embedded Software, TSFS

Taming the Flash Beast

This article is the first of an introduction series about flash memory. A high-level introduction shall we say. Not the kind that takes you straight to the electron and drags you through the depths of quantum physics. No. The purpose of this series is to provide useful information from an operational perspective. Things that you should know before incorporating flash-based ... Read more
GCC Toolchain Eclipse Setup Guide Part 4 — Debug Configuration
/ / Embedded Software

GCC Toolchain Eclipse Setup Guide Part 4 — Debug Configuration

A PDF version of this guide, including Eclipse setup and project debugging is available in the Documentation section. This is the fourth part of this article series on setting up a bare-metal GCC toolchain in Eclipse. The previous two articles, part 2 and part 3 dealt with creating Eclipse CDT projects using the managed build and Makefile project types. In ... Read more
Firmware Update Implementation Using TSFS Snapshots
/ / Embedded Software, TSFS

Firmware Update Implementation Using TSFS Snapshots

In the previous article of this series on TSFS snapshots, we have shown how snapshots can be used to design a simple yet robust firmware upgrade procedure. This time, we go from design to implementation, delving into the specifics of the TSFS snapshot management interface. More specifically, we show how we can meet our initial design requirements by combining three ... Read more
Firmware Upgrade Design Using TSFS Snapshots
/ / Embedded Software, TSFS

Firmware Upgrade Design Using TSFS Snapshots

This article is the first part of a twofold series on one of the most unique TSFS feature: snapshotting. In this first article, we show how snapshots can ease application development, providing the application designer with an elegant way of handling concurrent read/write accesses. We also introduce a simple firmware update example, to help us gain a concrete sense of ... Read more
Fail-Safe Design with the TREEspan File System Part 3: Enforcing Coherence Through Transactions
/ / Embedded Software, TSFS

Fail-Safe Design with the TREEspan File System Part 3: Enforcing Coherence Through Transactions

In the previous article of this threefold series on fail-safe design, we have seen how TSFS transactions can be used to build fail-safe applications by protecting individual files against data and metadata corruption. In this third article, we now show that TSFS transactions go beyond preserving file-level integrity, and can also be used to enforce coherence across multiple files and ... Read more
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