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Add packetFrequencyError to API.md

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torntrousers 2018-03-12 14:30:47 +00:00 committed by GitHub
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@ -166,6 +166,14 @@ float snr = LoRa.packetSnr();
Returns the estimated SNR of the received packet in dB.
### Packet Frequency Error
```arduino
long freqErr = LoRa.packetFrequencyError();
```
Returns the frequency error of the received packet in Hz. The frequency error is the frequency offset between the receiver centre frequency and that of an incoming LoRa signal.
### Available
```arduino