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From: | antoine drouin |
Subject: | Re: [Paparazzi-devel] Suggestions |
Date: | Fri, 13 Dec 2013 15:51:04 +0100 |
Le 13/12/2013 12:37, Prof. Dr.-Ing. Heinrich Warmers a écrit :there is pro and cons for both theses two great rtos.
It seems that other groups (ETH) use also this RT-OS and leave (ChibiOS).
I don't know why they change from ChibiOS to nuttx RT-OS.
nuttx pro :
° has a posix api : those who come from unix land will fell familiar with the api, it's also easier to port unix tool to nuttx
nuttx cons:
° target high end mcu, has a large footprint and use more resources.
chibios pro :
° low overhead, low footprint, static declaration of resources used
chibios cons:
° specific api, slow learning curve because of a difficult to understand documentationchibios come with a nearly complete hardware library abstraction layer, (only misses some things like slave implementation for
Perhaps there is more middle ware for free (FAT, USB-host, SD,CAN, Ether net) etc.
i2c ans spi buses), it already come with fatfs, lwip, sd support above spi and sdio, etc etc.
--
Alexandre
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