initial commit

config.hpp

@@ -0,0 +1,54 @@
+#pragma once
+#include <Arduino.h>
+
+typedef struct {
+  char *name;
+  int sensor_pin;
+  int valve_pin;
+  // define additional per-pot config here
+} PotConfig;
+
+/// The value sensors read when completely dry
+constexpr int SENSOR_CALIBRATION_DRY = 520;
+
+/// The value sensors read when completely wet
+constexpr int SENSOR_CALIBRATION_WET = 236;
+
+/// Pots will always be watered below this humidity
+constexpr int MIN_HUMIDITY_PERCENT = 10;
+
+/// Pots will never be watered above this humidity
+constexpr int MAX_HUMIDITY_PERCENT = 70;
+
+/// the amount of time a valve needs to open/close
+constexpr int VALVE_DELAY_MS = 500;
+
+/// the amount of time the pump needs to start/stop
+constexpr int PUMP_DELAY_MS = 1000;
+
+/// the amount of time to water the plot (valve open and pump running)
+constexpr int WATER_TIME_MS = 1500;
+
+/// how long to wait between loops
+constexpr int LOOP_DELAY_MS = 1000;
+
+/// minimum amount of time to wait between watering each pot, even when minimum wetness has been reached
+constexpr int MIN_WATERING_INTERVAL_MS = 1000 * 60; // 1 min
+
+/// maximum amount of time to wait between watering each pot, as long as maximum wetness has not been reaached
+constexpr int MAX_WATERING_INTERVAL_MS = 1000 * 60 * 60 * 24; // 1 day
+
+/// Per-pot configuration
+constexpr PotConfig POT_CONFIGS[] = {
+  {
+    .name = "Pflanze 1",
+    .sensor_pin = A0,
+    .valve_pin = 23, // TODO
+  },
+  {
+    .name = "Pflanze 2",
+    .sensor_pin = A1,
+    .valve_pin = 42, // TODO
+  }
+};
+