Figure 1: Status and printDetail() screen of the pingpair_dyn sample app (click to enlarge).
Finally, the unlicensed band nRF24 devices are talking to each other! It was a bit of a road trip. One thing to note is the importance of the status byte, and the other status data. While a hex 0x0e is normal, a hex 0x00 in the status byte, and/or lots of zeros in the printDetail() output are pretty good indicators that your SPI is not operational, and you’re not talking to the transceiver. More on this issue follows …