On Wed, 25 Feb 2009 14:25:29 +0800 Pratibha S <psund...@gmail.com> wrote:
> Hi, > Is there any limit to the packet size inclusive of all the headers and crc? > The CC2420 TEP, says that the max size is 128 bytes according to 802.15.4 > spec, but it also says that you can increase the size by changing the > TOSH_DATA_LENGTH with a trade-off of potential interferences. Can I assume > that excepting the consequences, there is no limit on the packet size? > > Regards, > Pratibha > Hi! I send packets with a size of 133 bytes (5 bytes head and 128bytes payload) and I have not any problem. Anyway, I remember when I started with tinyos and mica2 motes, that packet size over almost 200 bytes give me problems. I think it must be any hardware limitation, but I didn't read the radio transceiver (in this case a cc1000) documentantion. If you need to know this, you should read your radio transceiver datasheet (it shoud be a cc2420 or a cc1000 chip) and the interfaces used to send messages over radio to see if there is any hardware/tinyos limitation. cheers -- Nunca confies en un S.O. del que no tienes código fuente ;-) -------------------------------- Javier Almansa Sobrino. Ingeniero Técnico en Informática de Sistemas. FSF #7032 Member (www.fsf.com) Grupo de Investigación ARCo. Escuela Superior de Informática. Ciudad Real Tel: (+34)926 29 53 00 Ext: 3705 _______________________________________________ Tinyos-help mailing list Tinyos-help@millennium.berkeley.edu https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
