MCU
MCUs are quite different from traditional-CPUs-we’re-dealing-with-most-of-the-time, and often require different handling.
Bringing Architecture of Operating Systems to XXI Century – Part II. Desirable Improvements
April 24, 2019 by • “No Bugs” Bunny
Quote:
low-end versions of the new OS should be lean enough to run on a ~$1 MCU (these days ~=4K RAM, 32K ROM)
Another Quote:
last N minutes of the life of the production program before crashing, should be replayable on my development box.
Filed under: On.System ArchitectureRequirement analysis(Re)ActorsOn.HardwareMCU
Read moreJournaled Flash Storage – Emulating EEPROM over Flash, ACID Transactions, and More. Part III – JoFS Itself
October 12, 2015 by • “No Bugs” Bunny
Abstract:
JoFS provides faithful EEPROM emulation and ACID-compliant Flash-based storage
Quote:
The first working version of JoFS is expected approximately by the end of 2015
Filed under: On.ProgrammingEmbeddedOn.HardwareMCU
Read moreJournaled Flash Storage – Emulating EEPROM over Flash, ACID Transactions, and More. Part II – Existing Implementations by Atmel, SiLabs, TI, STM, and Microchip
October 5, 2015 by • “No Bugs” Bunny
Quote:
Whenever a developer is using something named 'X Emulation over Y', she may expect that a faithful emulation exhibits the same properties as original (non-emulated) X.
Another Quote:
Unfortunately, as discussed in detail above, none of five implementations is a really faithful EEPROM emulation.
Filed under: On.ProgrammingEmbeddedOn.HardwareMCU
Read moreJournaled Flash Storage – Emulating EEPROM over Flash, ACID Transactions, and More. Part I – Flash vs EEPROM
September 28, 2015 by • “No Bugs” Bunny
Quote:
You cannot erase single byte of Flash, but need to erase the whole page
Another Quote:
First of all, we want to be sure that whatever-is-already-written to our persistent storage, stays there; this property is known as Durability.
Filed under: On.ProgrammingEmbeddedOn.HardwareMCU
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