add class Pump

lib/Pump/pump.cpp

@@ -0,0 +1,65 @@
+#include "pump.h"
+
+Pump::Pump(uint8_t pumpPin, uint8_t pressurePin, uint8_t flowPin) {
+    this->pumpPin = pumpPin;
+    this->pressurePin = pressurePin;
+    this->flowPin = flowPin;
+
+    pinMode(this->pumpPin, OUTPUT);
+    pinMode(this->pressurePin, INPUT);
+
+    digitalWrite(this->pumpPin, LOW);
+}
+
+void Pump::loop() {
+    if (millis() - lastMillisLoop < this->delayLoopMs)
+        return;
+    this->lastMillisLoop = millis();
+
+    this->calculatePressure();
+    this->calculateFlow();
+    this->checkErrors();
+}
+
+bool Pump::switchPump(bool state) {
+    if (this->error != Error::None)
+        return false;
+
+    if (state)
+        this->pumpRunningStart = millis();
+
+    digitalWrite(this->pumpPin, state);
+    return true;
+}
+
+uint32_t Pump::getPumpRunningTime() {
+    if (pumpState)
+        return millis() - this->pumpRunningStart; 
+    return 0;
+}
+
+void Pump::calculatePressure() {
+    uint16_t pressure;
+    uint16_t rawValue = analogRead(this->pressurePin);
+    if (rawValue < 104)
+        pressure = 0;
+    else if (rawValue > 922)
+        pressure = 550;
+    else
+        pressure = map(rawValue, 104, 922, 0, 550);
+
+    //TODO: wenn pumpe lange an und druck hoch dann aus
+}
+
+void Pump::calculateFlow() {
+
+}
+
+void Pump::checkErrors() {
+    if (this->error == Error::None)
+        return;
+
+    digitalWrite(this->pumpPin, LOW);
+    if (this->errorFunction)
+        this->errorFunction(this->error);
+}