Add initial library source

src/LoRa.h

@@ -0,0 +1,48 @@
+#ifndef LORA_H
+#define LORA_H
+
+#include <Arduino.h>
+#include <SPI.h>
+
+class LoRaClass : public Stream {
+public:
+  LoRaClass();
+
+  int begin(long frequency);
+  void end();
+
+  int beginPacket();
+  int endPacket();
+
+  int parsePacket();
+  int packetRSSI();
+
+  // from Print
+  virtual size_t write(uint8_t byte);
+  virtual size_t write(const uint8_t *buffer, size_t size);
+
+  // from Stream
+  virtual int available();
+  virtual int read();
+  virtual int peek();
+  virtual void flush();
+
+  void setPins(int ss, int reset);
+
+  void dumpRegisters(Stream& out);
+
+private:
+  uint8_t readRegister(uint8_t address);
+  void writeRegister(uint8_t address, uint8_t value);
+  uint8_t singleTransfer(uint8_t address, uint8_t value);
+
+private:
+  SPISettings _spiSettings;
+  int _ss;
+  int _reset;
+  int _packetIndex;
+};
+
+extern LoRaClass LoRa;
+
+#endif