nRF24l01 radios: Long Term Stability Issues & Error Handling Enhancements
Creating robust, reliable networks
We recently identified and addressed some long-term reliability issues affecting the RF24 radio library for nRF24l01 radios. The issues affect any users that make use of the write() or txStandBy() functions of the library. About a year ago, we found some issues with the radios returning "impossible" values, with one register indicating a payload is available, another saying there is not, and another saying the payload length is 0. This and similar issues appear to have affected the radio in transmitting mode as well, a fact we missed upon initial review of the previous issue. Now, a year later, we've addressed issues affecting transmission as well.
As of this writing, we are just completing testing and the changes have been pushed to the master branch of RF24. A new release should be available in a few days (version higher than 1.5.0) for the Arduino and PlatformIO platforms. For now, users can install from ZIP or clone the RF24 repo directly from the master branch.
This should be the final fix for stability in the RF24 platform, as we seem to have identified and implemented handling for all failure modes now.
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