Hi Miklos,
Is there any way that I can put the tx power level into the packet and display the tx power when the packet reaches the base station? David On Mon, May 18, 2009 at 7:35 AM, Miklos Maroti <mmar...@math.u-szeged.hu>wrote: > Hi, > > The IRIS has the RF230 radio chip, not the CC2420, so your define will not > work. > > On Mon, May 18, 2009 at 4:01 PM, David Li <w.david...@gmail.com> wrote: > > Hi, > > > > I am working on Iris mote on Ubuntu 9.10 with Tinyos 2.1. My goal is to > > measure the transmission range under different tx power levels. After > > searching the archive I concluded that I would like to use the following > to > > control the tx power: > > > > CC2420.h: #define CC2420_DEF_RFPOWER 31 > > > > Questions: > > > > 1. Is this the best option? > > Use the PacketTransmitPower interface provided by the > RF230ActiveMessageC to set the TX power on a per packet basis. > > > 2. Are there any documentations that specify the numbers that I need to > use > > for various power levels? What does "31" mean? > > Read the AT86RF230 datasheet for the description of these values. > > Miklos >
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