Add error handling to connect call

infinitime.go

@@ -39,13 +39,14 @@ type Device struct {
 var ErrNoDevices = errors.New("no InfiniTime devices found")
 var ErrNotFound = errors.New("could not find any advertising InfiniTime devices")
 
-
 type Options struct {
 	AttemptReconnect bool
+	PairTimeout      time.Duration
 }
 
 var DefaultOptions = &Options{
 	AttemptReconnect: true,
+	PairTimeout:      time.Minute,
 }
 
 // Connect will attempt to connect to a
@@ -63,7 +64,7 @@ func Connect(opts *Options) (*Device, error) {
 	// If such device does not exist
 	if errors.Is(err, ErrNoDevices) {
 		// Attempt to pair device
-		dev, err = pair()
+		dev, err = pair(dev.opts.PairTimeout)
 	}
 	if err != nil {
 		return nil, err
@@ -150,7 +151,10 @@ func connectByName() (*Device, error) {
 		return nil, ErrNoDevices
 	}
 	// Connect to device
-	out.device.Connect()
+	err = out.device.Connect()
+	if err != nil {
+		return nil, err
+	}
 	// Resolve characteristics
 	err = out.resolveChars()
 	if err != nil {
@@ -160,7 +164,7 @@ func connectByName() (*Device, error) {
 }
 
 // Pair attempts to discover and pair an InfiniTime device
-func pair() (*Device, error) {
+func pair(timeout time.Duration) (*Device, error) {
 	// Create new device
 	out := &Device{}
 	// Start bluetooth discovery
@@ -190,7 +194,7 @@ discoveryLoop:
 				// Break out of discoveryLoop
 				break discoveryLoop
 			}
-		case <-time.After(5 * time.Second):
+		case <-time.After(timeout):
 			break discoveryLoop
 		}
 	}