add class Pump

lib/Pump/pump.h

@@ -0,0 +1,49 @@
+#pragma once
+
+#include <Arduino.h>
+
+
+class Pump {
+    public:
+        enum Error : uint8_t {
+            None,
+            HighPressure,
+            LowFlow,
+            Both
+        };
+        typedef void (*ErrorFunction)(Error);
+
+        Pump(uint8_t pumpPin, uint8_t pressurePin, uint8_t flowPin);
+
+        void loop();
+        void clearError() { this->error = Error::None; }
+        bool switchPump(bool state);
+        void incrementFlowCounter() { this->flowCounter++; };
+
+        uint8_t getFlowPin() { return this->flowPin; }
+        uint32_t getPumpRunningTime();
+
+        void setErrorFunction(ErrorFunction ptr) { this->errorFunction = ptr; }
+
+    private:
+        void calculatePressure();
+        void calculateFlow();
+        void checkErrors();
+
+        Error error = Error::None;
+        ErrorFunction errorFunction = nullptr;
+
+        bool pumpState = false;
+
+        uint8_t pumpPin;
+        uint8_t pressurePin;
+        uint8_t flowPin;
+        uint8_t delayLoopMs = 20;
+
+        uint16_t flowCounter = 0;
+
+        uint32_t lastMillisLoop = 0;
+        uint32_t lastPressureCalculation = 0;
+        uint32_t lastFlowCalculation = 0;
+        uint32_t pumpRunningStart = 0;
+};