Added gauge, fixed shit

src/global_data/defines.h

@@ -0,0 +1,9 @@
+// Define keys to prevent typos
+#define ssid_key "ssid"
+#define wifi_password_key "wifi_password"
+#define level_sensor_range_key "sensor_range"
+#define water_level_min_key "water_level_min"
+#define water_level_max_key "water_level_max"
+#define water_volume_key "water_volume"
+
+#define RESISTOR_VALUE 4

src/global_data/global_data.cpp

@@ -0,0 +1,10 @@
+#include "global_data.h"
+
+NetworkData wifi_data;
+NetworkData ethernet_data;
+DeviceTelemetry telemetry;
+
+SensorData shunt_data;
+WaterData water_data;
+
+ActiveErrors active_errors = { false, false, false, false, false, false };

src/global_data/global_data.h

@@ -0,0 +1,38 @@
+#include <Arduino.h>
+
+struct SensorData {
+    float bus_voltage;
+    float shunt_voltage;
+    float shunt_current;
+};
+
+struct WaterData{
+  // Water level in cm
+  float level; 
+  // Water volume in liters
+  float liters;
+  // Percentage
+  float percentage;
+};
+
+
+struct NetworkData {
+    String ip_address;
+    bool link;
+    float rssi;
+    String network_name;
+};
+
+struct DeviceTelemetry {
+    float heap_used_percent;
+    int uptime_seconds;
+};
+
+struct ActiveErrors {
+    bool voltage_low;
+    bool voltage_high;
+    bool current_low;
+    bool current_high;
+    bool level_low;
+    bool level_high;
+};