Add helper functions

device.go

@@ -9,7 +9,6 @@ type Device struct {
   Name string
   Interval string
   Robot *Robot
-  Connection *Connection 
   Driver interface{}
   Params map[string]string
 }
@@ -19,7 +18,6 @@ func NewDevice(driver interface{}, r *Robot) *Device {
   d.Name = reflect.ValueOf(driver).Elem().FieldByName("Name").String()
   d.Robot = r
   d.Driver = driver
-  d.Connection = new(Connection)
   return d
 }
 

driver.go

@@ -14,10 +14,6 @@ func NewDriver(d Driver) Driver {
   return d
 }
 
-func (d *Driver) Connection() *interface{}{
-  return new(interface{})
-}
-
 func (d *Driver) Start() {
   fmt.Println("Starting driver " +  d.Name + "...")
 }

gobot.go

@@ -3,26 +3,38 @@ package gobot
 import (
   "time"
   "math/rand"
+  "net"
 )
 
 func Every(t string, f func()) {
-  dur,_ := time.ParseDuration(t)
+  dur := parseDuration(t)
   go func(){ 
     for{
       time.Sleep(dur)
-      f()
+      go f()
     }
   }()
 }
 
 func After(t string, f func()) {
-  dur,_ := time.ParseDuration(t)
+  dur := parseDuration(t)
   go func(){ 
     time.Sleep(dur)
     f()
   }()
 }
 
+func parseDuration(t string) time.Duration {
+  return ParseDuration(t)
+}
+func ParseDuration(t string) time.Duration {
+  dur, err := time.ParseDuration(t)
+  if err != nil {
+    panic(err)
+  }
+  return dur
+}
+
 func Random(min int, max int) int {
   rand.Seed(time.Now().UTC().UnixNano())
   return rand.Intn(max - min) + min
@@ -41,3 +53,11 @@ func Work(robots []Robot) {
   }
   for{time.Sleep(10 * time.Millisecond)}
 }
+
+func ConnectTo(port string) net.Conn {
+ tcpPort, err := net.Dial("tcp", port)
+ if err != nil {
+  panic(err)
+ }
+ return tcpPort
+}