Use uint

src/IO/ArduinoProxy.cpp

@@ -218,7 +218,7 @@ DCMotorState ArduinoProxy::getDCMotorState(int forwardPin, int reversePin)
     }
 }
 
-int ArduinoProxy::getLoadCellState()
+uint32_t ArduinoProxy::getLoadCellState()
 {
     std::lock_guard<std::mutex> lockGuard(stateMutex);
 

src/IO/ArduinoProxy.h

@@ -25,7 +25,7 @@ class ArduinoProxy : IO
     bool getDigitalState(int pin);
     int getServoState(int pin);
     DCMotorState getDCMotorState(int forwardPin, int reversePin);
-    int getLoadCellState();
+    uint32_t getLoadCellState();
 
     ArduinoProxy(ArduinoProxy const &) = delete;
     void operator=(ArduinoProxy const &) = delete;
@@ -34,7 +34,7 @@ class ArduinoProxy : IO
     std::map<unsigned int, std::pair<bool, std::chrono::time_point<std::chrono::steady_clock>>> digitalStates;
     std::map<unsigned int, std::pair<int, std::chrono::time_point<std::chrono::steady_clock>>> servoStates;
     std::map<std::pair<unsigned int, unsigned int>, DCMotorState> dcMotorStates;
-    std::pair<int, std::chrono::time_point<std::chrono::steady_clock>> loadCellState;
+    std::pair<uint32_t, std::chrono::time_point<std::chrono::steady_clock>> loadCellState;
     std::mutex stateMutex;
 
     int fd = 0;

src/IO/gpio/LoadCell.cpp

@@ -20,7 +20,7 @@ LoadCell::LoadCell()
 #endif
 }
 
-int LoadCell::getCurrentState()
+uint32_t LoadCell::getCurrentState()
 {
 #if USE_ARDUINO_PROXY == 1
     try

src/IO/gpio/LoadCell.h

@@ -19,7 +19,7 @@ class LoadCell : public IO
   public:
     LoadCell();
 
-    int getCurrentState();
+    uint32_t getCurrentState();
     void run() override;
     bool isInitialized() override;
 

src/data/GpioData.h

@@ -16,5 +16,5 @@ struct GpioState
     std::map<std::string, int> digitalStateMap;
     std::map<std::string, int> pwmStateMap;
     std::map<std::string, DCMotorState> dcMotorStateMap;
-    int loadCellState;
+    uint32_t loadCellState;
 };