On 02/04/2013 03:05 PM, Farzad Samie wrote: > Hello > I'm trying to measure the radio module power (in send/receive state). My > platform is telosb (tinyos2.x and radio module is cc2420). I use low > power listening interface. > > I have two nodes: The first one is just a sender; it should only send > packet and doesn't need to receive any thing. > > I've set the transmission power to lowest level on sender, transmit 2 > packets per second periodically. So according to datasheet, I expect it > to consume about 9mA for a short period and then goes to sleep mode and > consumes about a few uA. But after sending these 2 packets, it spends > more time (~100ms) in receive mode (consuming about 20mA).
100ms is the default delay after receive parameter as defined in Lpl.h, so this is just the way LPL works. You can change the value to 0 for both nodes, but be careful within bigger networks where a higher delay after receive value might improve the overall network performance. Regards, Christian -- Karlsruher Institut für Technologie (KIT) - Institut für Telematik Christian Haas Wissenschaftlicher Mitarbeiter Zirkel 2 / 76131 Karlsruhe Telefon: +49 721 608-48673 Fax: +49 721 608-46789 E-Mail: [email protected] WWW: http://telematics.tm.kit.edu/staff_78.php http://www.kit.edu/ KIT - Universität des Landes Baden-Württemberg und nationales Großforschungszentrum in der Helmholtz-Gemeinschaft _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
