MeshCore/src/helpers/radiolib/RadioLibWrappers.h

70 lines
2 KiB
C++

#pragma once
#include <Mesh.h>
#include <RadioLib.h>
class RadioLibWrapper : public mesh::Radio {
protected:
PhysicalLayer* _radio;
mesh::MainBoard* _board;
uint32_t n_recv, n_sent;
int16_t _noise_floor, _threshold;
uint16_t _num_floor_samples;
int32_t _floor_sample_sum;
void idle();
void startRecv();
float packetScoreInt(float snr, int sf, int packet_len);
virtual bool isReceivingPacket() =0;
public:
RadioLibWrapper(PhysicalLayer& radio, mesh::MainBoard& board) : _radio(&radio), _board(&board) { n_recv = n_sent = 0; }
void begin() override;
int recvRaw(uint8_t* bytes, int sz) override;
uint32_t getEstAirtimeFor(int len_bytes) override;
bool startSendRaw(const uint8_t* bytes, int len) override;
bool isSendComplete() override;
void onSendFinished() override;
bool isInRecvMode() const override;
bool isChannelActive();
bool isReceiving() override {
if (isReceivingPacket()) return true;
return isChannelActive();
}
virtual float getCurrentRSSI() =0;
int getNoiseFloor() const override { return _noise_floor; }
void triggerNoiseFloorCalibrate(int threshold) override;
void resetAGC() override;
void loop() override;
uint32_t getPacketsRecv() const { return n_recv; }
uint32_t getPacketsSent() const { return n_sent; }
void resetStats() { n_recv = n_sent = 0; }
virtual float getLastRSSI() const override;
virtual float getLastSNR() const override;
float packetScore(float snr, int packet_len) override { return packetScoreInt(snr, 10, packet_len); } // assume sf=10
};
/**
* \brief an RNG impl using the noise from the LoRa radio as entropy.
* NOTE: this is VERY SLOW! Use only for things like creating new LocalIdentity
*/
class RadioNoiseListener : public mesh::RNG {
PhysicalLayer* _radio;
public:
RadioNoiseListener(PhysicalLayer& radio): _radio(&radio) { }
void random(uint8_t* dest, size_t sz) override {
for (int i = 0; i < sz; i++) {
dest[i] = _radio->randomByte() ^ (::random(0, 256) & 0xFF);
}
}
};