Configurable init state for timers. add start function.

Author: amorozenko

blynktimer.py

@@ -55,13 +55,14 @@ def register(blynk, *args, **kwargs):
         # kwargs with defaults are used cause PEP 3102 no supported by Python2
         interval = kwargs.pop('interval', DEFAULT_INTERVAL)
         run_once = kwargs.pop('run_once', False)
+        stopped = kwargs.pop('stopped', False)
 
         class Deco(object):
             def __init__(self, func):
                 self.func = func
                 if len(list(Timer.timers.keys())) >= MAX_TIMERS:
                     raise TimerError('Max allowed timers num={}'.format(MAX_TIMERS))
-                _timer = _Timer(interval, func, run_once, *args, **kwargs)
+                _timer = _Timer(interval, func, run_once, stopped, *args, **kwargs)
                 Timer.timers['{}_{}'.format(len(list(Timer.timers.keys())), blynk._get_func_name(func))] = _timer
 
             def __call__(self, *f_args, **f_kwargs):
@@ -76,6 +77,13 @@ def stop(t_id):
             raise TimerError('Timer id={} not found'.format(t_id))
         Timer.timers[t_id].stopped = True
 
+    @staticmethod
+    def start(t_id):
+        timer = Timer.timers.get(t_id, None)
+        if timer is None:
+            raise TimerError('Timer id={} not found'.format(t_id))
+        Timer.timers[t_id].stopped = False
+
     @staticmethod
     def is_stopped(t_id):
         timer = Timer.timers.get(t_id, None)
@@ -96,15 +104,15 @@ def run(self):
 
 
 class _Timer(object):
-    def __init__(self, interval, deco, run_once, *args, **kwargs):
+    def __init__(self, interval, deco, run_once, stopped, *args, **kwargs):
         self.interval = interval
         self.deco = deco
         self.args = args
         self.run_once = run_once
         self.kwargs = kwargs
         self.fire_time = None
         self.fire_time_prev = None
-        self.stopped = False
+        self.stopped = stopped
 
     def run(self):
         timer_real_interval = 0