Make MaxAngle configurable

cmd/godrone/config.go

@@ -12,6 +12,7 @@ type Config struct {
 	LogFile        string
 	LogLevel       string
 	ControlTimeout time.Duration
+	MaxAngle       int
 	RollPID        []float64
 	PitchPID       []float64
 	YawPID         []float64

cmd/godrone/godrone.conf

@@ -6,6 +6,10 @@ LogLevel = "debug"
 # turn off. This keeps the drone from flying into space by accident.
 ControlTimeout = "2s"
 
+# The maximum rolll/pitch angle the client will send. Higher angle means faster
+# horizontal movement.
+MaxAngle = 12
+
 # PID controller settings
 # feel free to play with these to adjust control behavior
 RollPID = [ 0.04, 0.0, 0.002 ]

cmd/godrone/main.go

@@ -77,6 +77,7 @@ func NewGoDrone(c Config) (g GoDrone, err error) {
 		Log:            g.log,
 		Version:        Version,
 		ControlTimeout: c.ControlTimeout,
+		MaxAngle:       c.MaxAngle,
 	})
 	g.httpAddr = c.HttpAddr
 	g.navCh = make(chan navboard.Data)

http/fs/js/main.js

@@ -233,10 +233,10 @@
 
   React.renderComponent(
     <GoDrone
-      version={Config.version}
+      version={Config.Version}
       wsUrl="ws://192.168.1.1/ws"
       gamepadAxisMin={0.01}
-      maxAngle={6}
+      maxAngle={Config.MaxAngle}
       flyButton={0}
       pitchAxis={1}
       rollAxis={0}

http/handler.go

@@ -24,6 +24,7 @@ type Config struct {
 	Log            log.Interface
 	Version        string
 	ControlTimeout time.Duration
+	MaxAngle       int
 }
 
 // Handler provides a http.Handler.
@@ -115,7 +116,8 @@ func (h *Handler) handleWebsocket(conn *websocket.Conn) {
 
 func (h *Handler) handleConfig(w http.ResponseWriter, r *http.Request) {
 	config := map[string]interface{}{
-		"version": h.config.Version,
+		"Version":  h.config.Version,
+		"MaxAngle": h.config.MaxAngle,
 	}
 	data, err := json.Marshal(config)
 	if err != nil {