WIP

main.go

@@ -0,0 +1,79 @@
+//shows how to watch for new devices and list them
+package main
+
+import (
+	"os"
+
+	log "github.com/sirupsen/logrus"
+	"github.com/muka/go-bluetooth/api"
+	"github.com/muka/go-bluetooth/emitter"
+	"github.com/muka/go-bluetooth/linux"
+)
+
+const logLevel = log.DebugLevel
+const adapterID = "hci0"
+
+func main() {
+
+	log.SetLevel(logLevel)
+
+	//clean up connection on exit
+	defer api.Exit()
+
+	log.Debugf("Reset bluetooth device")
+	a := linux.NewBtMgmt(adapterID)
+	err := a.Reset()
+	if err != nil {
+		log.Error(err)
+		os.Exit(1)
+	}
+
+	devices, err := api.GetDevices()
+	if err != nil {
+		log.Error(err)
+		os.Exit(1)
+	}
+
+	log.Infof("Cached devices:")
+	for _, dev := range devices {
+		showDeviceInfo(&dev)
+	}
+
+	log.Infof("Discovered devices:")
+	err = discoverDevices(adapterID)
+	if err != nil {
+		log.Error(err)
+		os.Exit(1)
+	}
+
+	select {}
+}
+
+func discoverDevices(adapterID string) error {
+
+	err := api.StartDiscovery()
+	if err != nil {
+		return err
+	}
+
+	log.Debugf("Started discovery")
+	err = api.On("discovery", emitter.NewCallback(func(ev emitter.Event) {
+		discoveryEvent := ev.GetData().(api.DiscoveredDeviceEvent)
+		dev := discoveryEvent.Device
+		showDeviceInfo(dev)
+	}))
+
+	return err
+}
+
+func showDeviceInfo(dev *api.Device) {
+	if dev == nil {
+		return
+	}
+	props, err := dev.GetProperties()
+	if err != nil {
+		log.Errorf("%s: Failed to get properties: %s", dev.Path, err.Error())
+		return
+	}
+	log.Infof("name=%s addr=%s rssi=%d", props.Name, props.Address, props.RSSI)
+}