[riot-users] radio for STM32F4discovery?

Peter Kietzmann peter.kietzmann at haw-hamburg.de
Mon Mar 23 09:13:50 CET 2015

Hi Dean,

I guess most of the STM32F4discovery-users are not strongly interested 
in radio communication.  However, in general you can use any external 
transceiver that is based on SPI or I2C (and of course has RIOT 
support). Currently we *just* have the lowlevel support for the 
proprietary nrf24l01+ transceiver [1]. I will do the adaptation to the 
ng_netdev interface according to the new network stack when this is in a 
stable state.
Also there are plans to add support for the external 802.15.4 
transceiver MRF24J40MA. But I can't tell when this will be done.


[1] http://www.nordicsemi.com/eng/Products/2.4GHz-RF/nRF24L01P
[2] http://www.microchip.com/wwwproducts/Devices.aspx?product=MRF24J40MA

Am 21.03.2015 um 22:23 schrieb Dean Hall:
> I'm curious what radio people are using with the STM32F4discovery?  any near 900 MHz?
> BTW, if anyone is interested in voice-over-*, there is the codec2 project coming out of the amateur-radio world that has the best voice compression rates for an open-source codec [1].  codec2 is ported to the STM32F4 (requires the FPU).  I know mesh isn't quite suited for reliable multi-hop streaming, but I believe it would be sufficient for delay-tolerant push-to-talk service.
> thanks,
> !!Dean
> [1] http://www.rowetel.com/blog/?page_id=452
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Peter Kietzmann

Hamburg University of Applied Sciences
Dept. Informatik, Internet Technologies Group
Berliner Tor 7, 20099 Hamburg, Germany
Fon: +49-40-42875-8426
Web: http://www.haw-hamburg.de/inet

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