On Mon, May 18, 2009 at 12:40 AM, Xiaofan Chen wrote: > If you are willing to use PIC18, there are quite some. > http://www.microchip.com/forums/tm.aspx?m=381449 > FreeRTOS is one of the free ones. PICOS18 is another. > > There are some for the PIC16 but they are not free. > > AN585 is from Microchip but I have never looked at it so I do not > know if it is good for you. > http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=1824&appnote=en011105 Thanks. I also found "salvo" which works on PIC 12 and 16 as well as the higher end PICs. Seems to be popular in the PIC world. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist