Comments for Harald's Random Stuff

Comment on Programming AVRs by Programming AVRs – Part 2 » Harald's Random Stuff

Programming AVRs – Part 2 » Harald's Random Stuff — Sun, 15 Jan 2012 01:46:50 +0000

[...] AVRs – Part 2 Uncategorized Add comments Jan 152012 I used to use the FT245R chip to program my AVRs but I was looking for something more comfortable. Like the Bus Pirate. Works great. No special [...]

Comment on Wuala on a Headless System by CrashPlan – Another attempt to do proper backups » Harald's Random Stuff

Sat, 07 Jan 2012 12:58:44 +0000

[...] to do proper backups Uncategorized Add comments Jan 072012 As I wrote here I am using Wuala. I mostly like it. I don’t like not be anymore able to give away some [...]

Comment on FTDI245 by ktownsend

ktownsend — Tue, 14 Jul 2009 16:25:44 +0000

I picked one of these up in Akizuki Denshi when I was there a couple months ago. I really miss that store (living in France we definately don’t have anything quite the same here), since they had a lot of really interesting stuff and you could spend a day just looking through the little baskets … assuming you could fight your way through the crowd in the admittedly small floor space.

Comment on NuttX RTOS by ktownsend

ktownsend — Tue, 14 Jul 2009 16:23:26 +0000

I was fairly impressed by NuttX as well and am interested in getting it to work on an LPC2478 (since it has an LCD controller). Interesting blog, as well. I came across it via google, but there are some interesting blog entries.

Kevin
Paris, France

Comment on NuttX RTOS by akshaymishra

akshaymishra — Sat, 11 Jul 2009 02:03:31 +0000

Thanks ! I just made a LPC2148 board. Will keep you posted.

-Akshay

Comment on NuttX RTOS by harald

harald — Fri, 10 Jul 2009 12:52:00 +0000

NuttX and FreeRTOS are quite comparable IMHO. NuttX has some features I like a lot: Great support from Gregory. Standard POSIX compliant (within its limits of being a small RTOS). Standard (Unix) device tree. Some drivers, e.g. serial port driver and SD card support. Standard library is included for various CPUs. And there is nsh, which is a small shell. Very useful for interactively testing. Easy to extend too.

Advantages of FreeRTOS are: It’s smaller (about 4kB min size, NuttX starts at about 20kB). Runs on more CPUs. Great forum too. However you start pretty much at zero. But there are lots of examples out there.
And the community around FreeRTOS is larger.

I’d recommend everyone to look at both as long as both are available for your CPU or CPU family. And if not (yet), Greg will port it to a new CPU, and in FreeRTOS’ case, chances are that someone else wants to use your special CPU too.

For LPC2148 (512kB FLASH, 32+8kB RAM) I’d go for NuttX.

Comment on NuttX RTOS by akshaymishra

akshaymishra — Fri, 10 Jul 2009 03:20:46 +0000

Any comparison notes with freertos for nuttx ?

Thanks,
Akshay