Add initial ESP32 controller firmware

2026-06-03 01:04:11 -06:00
parent ac0112ca66
commit f9fe949bb9
7 changed files with 205 additions and 0 deletions
@@ -0,0 +1,130 @@
+#include <WiFi.h>
+#include <WebServer.h>
+#include <ArduinoJson.h>
+
+#include "config.h"
+#include "relays.h"
+#include "sensors.h"
+
+WebServer server(80);
+
+float batterySOC = 82.0;
+float batteryVoltage = 13.2;
+float batteryCurrent = -6.4;
+float batteryRemainingAh = 82.0;
+float batteryRuntimeHours = 12.0;
+float batteryTemp = 76.0;
+
+void handleStatus() {
+
+    DynamicJsonDocument doc(2048);
+
+    doc["timestamp"] = millis();
+
+    JsonObject battery = doc.createNestedObject("battery");
+    battery["soc"] = batterySOC;
+    battery["voltage"] = batteryVoltage;
+    battery["current"] = batteryCurrent;
+    battery["remaining_ah"] = batteryRemainingAh;
+    battery["runtime_hours"] = batteryRuntimeHours;
+    battery["temperature_f"] = batteryTemp;
+
+    JsonObject temps = doc.createNestedObject("temps");
+    temps["fridge_zone_1"] = sensors.fridgeZone1;
+    temps["fridge_zone_2"] = sensors.fridgeZone2;
+    temps["rear_seat"] = sensors.rearSeat;
+    temps["outside"] = sensors.outsideAir;
+
+    JsonObject relayObj = doc.createNestedObject("relays");
+    relayObj["starlink"] = relays.starlink;
+    relayObj["fridge"] = relays.fridge;
+
+    JsonObject vehicle = doc.createNestedObject("vehicle");
+    vehicle["ignition_on"] = digitalRead(IGNITION_PIN);
+
+    JsonObject network = doc.createNestedObject("network");
+    network["wifi_enabled"] = true;
+    network["rs485_connected"] = true;
+
+    String output;
+    serializeJsonPretty(doc, output);
+
+    server.send(200, "application/json", output);
+}
+
+void handleStarlinkOn() {
+    relays.starlink = true;
+    updateRelayOutputs();
+    server.send(200, "text/plain", "OK");
+}
+
+void handleStarlinkOff() {
+    relays.starlink = false;
+    updateRelayOutputs();
+    server.send(200, "text/plain", "OK");
+}
+
+void handleFridgeOn() {
+    relays.fridge = true;
+    updateRelayOutputs();
+    server.send(200, "text/plain", "OK");
+}
+
+void handleFridgeOff() {
+    relays.fridge = false;
+    updateRelayOutputs();
+    server.send(200, "text/plain", "OK");
+}
+
+void setup() {
+
+    Serial.begin(115200);
+
+    Serial.println();
+    Serial.println("==================================");
+    Serial.println("Xterra Controller Booting");
+    Serial.println("==================================");
+
+    pinMode(IGNITION_PIN, INPUT);
+
+    initRelays();
+    initSensors();
+
+    WiFi.mode(WIFI_AP);
+
+    bool apResult = WiFi.softAP("XterraController");
+
+    if (apResult) {
+        Serial.println("AP Started");
+        Serial.print("IP: ");
+        Serial.println(WiFi.softAPIP());
+    }
+
+    server.on("/status", handleStatus);
+
+    server.on("/relay/starlink/on", handleStarlinkOn);
+    server.on("/relay/starlink/off", handleStarlinkOff);
+
+    server.on("/relay/fridge/on", handleFridgeOn);
+    server.on("/relay/fridge/off", handleFridgeOff);
+
+    server.begin();
+
+    Serial.println("Web Server Started");
+}
+
+void loop() {
+
+    server.handleClient();
+
+    static unsigned long lastSensorUpdate = 0;
+
+    if (millis() - lastSensorUpdate > 5000) {
+
+        updateSensors();
+
+        lastSensorUpdate = millis();
+
+        Serial.println("Sensor Update");
+    }
+}