Fixed Python interpreted not respecting the update rate

src/controller/controller_pythonembedded.cpp

@@ -1281,7 +1281,7 @@ void PythonEmbedded::loop()
             lockAttributes.unlock();
             pythonMutexLock.unlock();
 
-            Timer::get() >> 1.f / static_cast<float>(_updateRate) * 1000.f >> timerName;
+            Timer::get() >> 1000000ull / _updateRate >> timerName;
         }
 
         pythonMutexLock.lock();

src/utils/timer.h

@@ -26,6 +26,7 @@
 #define SPLASH_TIMER_H
 
 #include <chrono>
+#include <mutex>
 #include <string>
 #include <thread>
 
@@ -115,7 +116,7 @@ class Timer
      */
     bool waitUntilDuration(const std::string& name, unsigned long long duration)
     {
-        std::lock_guard<Spinlock> lock(_timerMutex);
+        std::unique_lock<Spinlock> lock(_timerMutex);
         if (!_enabled)
             return false;
 
@@ -144,6 +145,7 @@ class Timer
             _durationMap[name] = std::max(duration, elapsed);
         else
             durationIt->second = std::max(duration, elapsed);
+        lock.unlock();
 
         nanosleep(&nap, NULL);