Merge branch 'master' of github.com:swinginbird/flippr-code

FlippR-Driver/src/PinController.cpp

@@ -13,6 +13,7 @@
 #include <wiringPi.h>
 #include <mcp23017.h>
 #else
+#warning "Include testing wiringPi library"
 #include "utility/wiringPiTesting.hpp"
 #endif
 
@@ -39,6 +40,8 @@ void PinController::initialize_output_pin(const uint8_t address)
 
 void PinController::write_pin(uint8_t address, bool value)
 {
+  std::lock_guard<std::mutex> guard(log);
+
   digitalWrite(address, value);
 }
 

FlippR-Driver/src/PinController.h

@@ -37,6 +37,8 @@ protected:
 
 public:
   static std::once_flag GPIO_LIB_INITIALIZED;
+
+  static std::mutex log;
 };
 
 }