Hello Bernhard, as for first question: check for the AT86RF2XX_REG__PHY_TX_PWR macro and dbm_to_tx_pow function + rf231 datasheet for the second question have a look at atzb-a-233-xpro module from atmel (can get it from mouser) if you are or ok with 233 and not strictly 231.
wbr malo On 29 February 2016 at 00:58, Bernhard Nägele <bernh...@naegele-privat.de> wrote: > Hello everybody, > today I started to port the AT86RF2XX driver for the MRF24J40 radio module. > Hier I have 2 question: > > 1. At the module initialization I found the following comment: > > /** > * @brief Set the transmission power of the given device [in dBm] > * > * If the device does not support the exact dBm value given, it will set a > value > * as close as possible to the given value. If the given value is larger or > * lower then the maximal or minimal possible value, the min or max value > is > * set, respectively. > * > * @param[in] dev device to write to > * @param[in] txpower transmission power in dBm > */ > void at86rf2xx_set_txpower(at86rf2xx_t *dev, int16_t txpower); > > How should the txpower be coded? A int16 value in dBm ??? I don't > understand this. > The Atmel AT86RF231 has a tx-power range from -17dBm to +3dBm and the > MRF24J40 > has a range from -30 to 0dBm. How fits this together with that comment > above? > > 2. From where could I get as fast as possible some OpenLabs 802.15.4 > modules (delivery should be in 2-3 days, prefered in Germany)? At the store > of OpenLabs there is mentioned a > delivery time from about 2 weeks....this is to long for my purpose. > > Best regards > Bernhard > _______________________________________________ > devel mailing list > devel@riot-os.org > https://lists.riot-os.org/mailman/listinfo/devel >
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