More protocols

protocol/packet.go

@@ -0,0 +1,30 @@
+package protocol
+
+// Packet represents a raw packet.
+type Packet struct {
+	Protocol string  `json:"protocol"` // Protocol name
+	SNR      float64 `json:"snr"`      // Signal-to-noise Ratio
+	RSSI     int8    `json:"rssi"`     // Received Signal Strength Indicator
+	Raw      []byte  `json:"raw"`      // Raw packet
+}
+
+type Device interface {
+	// Close the device.
+	Close() error
+}
+
+// Receiver of packets.
+type Receiver interface {
+	Device
+
+	// RawPackets starts receiving raw packets.
+	RawPackets() <-chan *Packet
+}
+
+// Transmitter of packets.
+type Transmitter interface {
+	Device
+
+	// SendRawPacket sends a raw (encoded) packet.
+	SendRawPacket(*Packet) error
+}