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SPI connection to CrazyRadio

Posted: Thu Dec 12, 2013 8:27 am
by nrn32
Hi,

Can the CrazyRadio be connected to a micro controller via SPI and communicate with CrazyFlie?
In the sense can the radio break out used in this project (https://bitbucket.org/tbitson/crazyflie ... controller) be replaced with CrazyRadio with header connected?

Re: SPI connection to CrazyRadio

Posted: Thu Dec 12, 2013 10:38 am
by tobias
Yes it is possible but not without some work (could be a lot of fun though :)). The Crazyradio uses the nRF24LU+ chip which has an integrated MCU which the nRF24L01+ doesn't have, so this must be programmed to take commands from SPI or UART.

Re: SPI connection to CrazyRadio

Posted: Fri Dec 13, 2013 3:59 am
by nrn32
So, that would require reflashing the radio firmware ?

Re: SPI connection to CrazyRadio

Posted: Fri Dec 13, 2013 10:57 pm
by atomicdog
nrn32 wrote:So, that would require reflashing the radio firmware ?
Yes, you would need to modify CR firmware to read in a command and then have it transfer the command to the transceiver.