[riot-notifications] [RIOT-OS/RIOT] doc/rdm: RFC - design goals (#10162)
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Wed Apr 3 12:11:22 CEST 2019
emmanuelsearch commented on this pull request.
> +the user.
+#### Small memory footprint
+Apart from being optimized for low memory usage, RIOT is modular so unused
+features don't use up precious RAM or flash. Almost all features are provided
+as optional modules that have to be enabled explicitly at compile time. A
+minimal RIOT configuration starts at around <2KiB flash and <1.5KiB RAM
+(including stack space for one thread and ISRs).
+Starting from there, the memory usage depends on the enabled features:
+- Non-networked control loop / sensing applications can fit on very small MCUs
+(eg., an Atmega328P with 2KiB RAM)
+- 6lowPAN networking currently starts at ~40KiB ROM and ~10KiB RAM
+- A 6lowpan enabled CoAP server requires ~60KiB ROM and ~15KiB RAM
For this amount of Flash and RAM, you can fit not only CoAP but also COSE end-to-end security with ECC in software. Worth mentioning I think. @bergzand @kaspar030 makes sense to you too?
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