409 lines
13 KiB
Arduino
409 lines
13 KiB
Arduino
#include <Arduino.h>
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#include <WiFi.h>
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#include <HTTPClient.h>
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#include <ArduinoJson.h>
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#include <esp_display_panel.hpp>
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#include <lvgl.h>
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#include "lvgl_v8_port.h"
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using namespace esp_panel::drivers;
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using namespace esp_panel::board;
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static const char *DASHBOARD_VERSION = "0.0.3-status-overview";
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// Update these if your Cargo ESP AP credentials are different.
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static const char *CARGO_WIFI_SSID = "OverlandController";
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static const char *CARGO_WIFI_PASSWORD = "overland1234";
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static const char *CARGO_API_STATUS_URL = "http://192.168.4.1/api/v1/status";
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static lv_obj_t *wifi_label = nullptr;
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static lv_obj_t *api_label = nullptr;
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static lv_obj_t *battery_label = nullptr;
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static lv_obj_t *temps_label = nullptr;
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static lv_obj_t *outputs_label = nullptr;
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static lv_obj_t *touch_count_label = nullptr;
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static uint32_t touch_count = 0;
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static unsigned long last_wifi_attempt_ms = 0;
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static unsigned long last_wifi_label_update_ms = 0;
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static unsigned long last_status_poll_ms = 0;
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static String last_wifi_label_text;
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static String last_api_label_text;
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static String last_battery_label_text;
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static String last_temps_label_text;
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static String last_outputs_label_text;
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static void set_label_text_if_changed(lv_obj_t *label, String &last_text, const String &text)
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{
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if (label == nullptr) {
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return;
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}
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if (last_text == text) {
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return;
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}
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last_text = text;
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lvgl_port_lock(-1);
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lv_label_set_text(label, text.c_str());
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lvgl_port_unlock();
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}
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static String on_off(bool value)
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{
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return value ? "ON" : "OFF";
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}
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static void touch_test_event_cb(lv_event_t *event)
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{
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if (lv_event_get_code(event) != LV_EVENT_CLICKED) {
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return;
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}
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touch_count++;
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if (touch_count_label != nullptr) {
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lvgl_port_lock(-1);
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lv_label_set_text_fmt(touch_count_label, "Touch test count: %lu", (unsigned long)touch_count);
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lvgl_port_unlock();
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}
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Serial.print("Touch test count: ");
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Serial.println(touch_count);
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}
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static void connect_wifi_if_needed()
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{
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if (WiFi.status() == WL_CONNECTED) {
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return;
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}
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if (millis() - last_wifi_attempt_ms < 10000) {
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return;
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}
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last_wifi_attempt_ms = millis();
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Serial.print("Connecting to Cargo ESP AP: ");
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Serial.println(CARGO_WIFI_SSID);
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set_label_text_if_changed(wifi_label, last_wifi_label_text, "WiFi: connecting...");
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WiFi.mode(WIFI_STA);
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WiFi.begin(CARGO_WIFI_SSID, CARGO_WIFI_PASSWORD);
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}
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static void update_wifi_label()
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{
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if (millis() - last_wifi_label_update_ms < 5000) {
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return;
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}
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last_wifi_label_update_ms = millis();
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if (WiFi.status() == WL_CONNECTED) {
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String text = "WiFi: connected\nIP: ";
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text += WiFi.localIP().toString();
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text += "\nRSSI: ";
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text += String(WiFi.RSSI());
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text += " dBm";
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set_label_text_if_changed(wifi_label, last_wifi_label_text, text);
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} else {
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set_label_text_if_changed(wifi_label, last_wifi_label_text, "WiFi: not connected\nSSID: " + String(CARGO_WIFI_SSID));
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}
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}
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static void update_status_widgets(const String &body)
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{
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DynamicJsonDocument doc(16384);
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DeserializationError error = deserializeJson(doc, body);
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if (error) {
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String text = "JSON parse failed: ";
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text += error.c_str();
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set_label_text_if_changed(api_label, last_api_label_text, text);
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return;
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}
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JsonObject battery = doc["battery"];
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int soc = battery["soc"] | -1;
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float voltage = battery["voltage"] | 0.0;
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float current = battery["current"] | 0.0;
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bool bms_connected = battery["connected"] | false;
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int cell_delta_mv = battery["cell_delta_mv"] | -1;
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String battery_text = "Battery\n";
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battery_text += "SOC: ";
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battery_text += soc >= 0 ? String(soc) + "%" : "n/a";
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battery_text += "\nVoltage: ";
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battery_text += String(voltage, 2);
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battery_text += " V\nCurrent: ";
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battery_text += String(current, 2);
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battery_text += " A\nBMS: ";
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battery_text += bms_connected ? "online" : "offline";
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if (cell_delta_mv >= 0) {
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battery_text += "\nCell delta: ";
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battery_text += String(cell_delta_mv);
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battery_text += " mV";
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}
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String temps_text = "Temperatures\n";
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JsonArray temps = doc["temps"];
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if (temps.isNull() || temps.size() == 0) {
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temps_text += "No sensors reported";
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} else {
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int shown = 0;
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for (JsonObject temp : temps) {
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if (shown >= 5) {
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temps_text += "\n...";
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break;
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}
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const char *name = temp["name"] | temp["id"] | "Temp";
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bool online = temp["online"] | false;
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bool enabled = temp["enabled"] | false;
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temps_text += name;
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temps_text += ": ";
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if (!enabled) {
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temps_text += "disabled";
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} else if (!online) {
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temps_text += "offline";
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} else {
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float temperature_f = temp["temperature_f"] | 0.0;
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temps_text += String(temperature_f, 1);
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temps_text += " F";
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}
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temps_text += "\n";
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shown++;
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}
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}
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String outputs_text = "Outputs\n";
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JsonArray relays = doc["relays"];
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if (relays.isNull() || relays.size() == 0) {
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outputs_text += "No outputs reported";
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} else {
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int shown = 0;
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for (JsonObject relay : relays) {
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if (shown >= 6) {
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outputs_text += "\n...";
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break;
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}
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const char *name = relay["name"] | relay["id"] | "Output";
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bool enabled = relay["enabled"] | false;
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bool available = relay["available"] | true;
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bool state = relay["state"] | false;
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outputs_text += name;
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outputs_text += ": ";
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if (!available) {
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outputs_text += "unavailable";
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} else if (!enabled) {
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outputs_text += "disabled";
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} else {
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outputs_text += on_off(state);
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}
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outputs_text += "\n";
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shown++;
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}
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}
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String api_text = "API: connected\nGET /api/v1/status\n";
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api_text += "Profile: ";
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api_text += doc["hardware_profile"] | "unknown";
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api_text += "\nOutputs: ";
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api_text += String((int)(doc["output_count"] | relays.size()));
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set_label_text_if_changed(api_label, last_api_label_text, api_text);
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set_label_text_if_changed(battery_label, last_battery_label_text, battery_text);
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set_label_text_if_changed(temps_label, last_temps_label_text, temps_text);
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set_label_text_if_changed(outputs_label, last_outputs_label_text, outputs_text);
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}
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static void poll_status_api()
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{
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if (WiFi.status() != WL_CONNECTED) {
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set_label_text_if_changed(api_label, last_api_label_text, "API: waiting for WiFi");
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return;
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}
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if (millis() - last_status_poll_ms < 5000) {
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return;
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}
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last_status_poll_ms = millis();
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Serial.print("GET ");
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Serial.println(CARGO_API_STATUS_URL);
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HTTPClient http;
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http.begin(CARGO_API_STATUS_URL);
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int code = http.GET();
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if (code == 200) {
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String body = http.getString();
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Serial.println("HTTP 200");
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Serial.println(body);
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update_status_widgets(body);
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} else {
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String error_text = "API: HTTP ";
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error_text += String(code);
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if (code <= 0) {
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error_text += "\n";
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error_text += http.errorToString(code);
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}
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Serial.println(error_text);
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set_label_text_if_changed(api_label, last_api_label_text, error_text);
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}
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http.end();
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}
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static lv_obj_t *create_card(lv_obj_t *parent, int width, int height, lv_align_t align, int x, int y)
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{
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lv_obj_t *card = lv_obj_create(parent);
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lv_obj_set_size(card, width, height);
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lv_obj_align(card, align, x, y);
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lv_obj_set_style_radius(card, 16, 0);
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lv_obj_set_style_bg_color(card, lv_color_hex(0x1F2933), 0);
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lv_obj_set_style_border_color(card, lv_color_hex(0x3A4652), 0);
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lv_obj_set_style_border_width(card, 2, 0);
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lv_obj_set_style_pad_all(card, 16, 0);
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return card;
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}
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static lv_obj_t *create_card_label(lv_obj_t *card, const char *text)
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{
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lv_obj_t *label = lv_label_create(card);
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lv_label_set_text(label, text);
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lv_obj_set_style_text_color(label, lv_color_hex(0xFFFFFF), 0);
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lv_obj_set_width(label, lv_obj_get_width(card) - 36);
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lv_obj_align(label, LV_ALIGN_TOP_LEFT, 0, 0);
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return label;
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}
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static void create_overland_status_screen()
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{
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lv_obj_t *screen = lv_scr_act();
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lv_obj_clean(screen);
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lv_obj_set_style_bg_color(screen, lv_color_hex(0x101418), 0);
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lv_obj_t *title = lv_label_create(screen);
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lv_label_set_text(title, "Overland Controller");
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lv_obj_set_style_text_color(title, lv_color_hex(0xFFFFFF), 0);
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lv_obj_set_style_text_font(title, &lv_font_montserrat_30, 0);
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lv_obj_align(title, LV_ALIGN_TOP_MID, 0, 18);
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lv_obj_t *subtitle = lv_label_create(screen);
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lv_label_set_text(subtitle, "ESP32-S3 Dashboard - Live Cargo ESP Overview");
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lv_obj_set_style_text_color(subtitle, lv_color_hex(0xB8C0C8), 0);
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lv_obj_set_width(subtitle, 920);
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lv_obj_set_style_text_align(subtitle, LV_TEXT_ALIGN_CENTER, 0);
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lv_obj_align_to(subtitle, title, LV_ALIGN_OUT_BOTTOM_MID, 0, 8);
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lv_obj_t *battery_card = create_card(screen, 300, 210, LV_ALIGN_TOP_LEFT, 32, 105);
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lv_obj_t *temps_card = create_card(screen, 300, 210, LV_ALIGN_TOP_MID, 0, 105);
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lv_obj_t *outputs_card = create_card(screen, 300, 210, LV_ALIGN_TOP_RIGHT, -32, 105);
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lv_obj_t *system_card = create_card(screen, 620, 180, LV_ALIGN_BOTTOM_LEFT, 32, -55);
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lv_obj_t *touch_card = create_card(screen, 300, 180, LV_ALIGN_BOTTOM_RIGHT, -32, -55);
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battery_label = create_card_label(battery_card, "Battery\nWaiting for API...");
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temps_label = create_card_label(temps_card, "Temperatures\nWaiting for API...");
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outputs_label = create_card_label(outputs_card, "Outputs\nWaiting for API...");
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wifi_label = create_card_label(system_card, "WiFi: not connected");
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api_label = lv_label_create(system_card);
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lv_label_set_text(api_label, "API: waiting");
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lv_obj_set_style_text_color(api_label, lv_color_hex(0xB8C0C8), 0);
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lv_obj_set_width(api_label, 560);
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lv_obj_align(api_label, LV_ALIGN_TOP_LEFT, 0, 76);
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lv_obj_t *button = lv_btn_create(touch_card);
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lv_obj_set_size(button, 170, 54);
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lv_obj_align(button, LV_ALIGN_TOP_LEFT, 0, 0);
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lv_obj_add_event_cb(button, touch_test_event_cb, LV_EVENT_CLICKED, nullptr);
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lv_obj_t *button_label = lv_label_create(button);
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lv_label_set_text(button_label, "Touch Test");
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lv_obj_center(button_label);
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touch_count_label = lv_label_create(touch_card);
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lv_label_set_text(touch_count_label, "Touch test count: 0");
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lv_obj_set_style_text_color(touch_count_label, lv_color_hex(0xB8C0C8), 0);
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lv_obj_set_width(touch_count_label, 250);
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lv_obj_align(touch_count_label, LV_ALIGN_TOP_LEFT, 0, 78);
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lv_obj_t *footer = lv_label_create(screen);
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lv_label_set_text(footer, "Polling Cargo ESP /api/v1/status every 5 seconds");
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lv_obj_set_style_text_color(footer, lv_color_hex(0x7D8996), 0);
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lv_obj_set_width(footer, 900);
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lv_obj_set_style_text_align(footer, LV_TEXT_ALIGN_CENTER, 0);
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lv_obj_align(footer, LV_ALIGN_BOTTOM_MID, 0, -18);
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}
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void setup()
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{
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Serial.begin(115200);
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delay(1000);
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Serial.println();
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Serial.println("================================");
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Serial.println("Overland Controller Dashboard");
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Serial.println("================================");
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Serial.print("Version: ");
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Serial.println(DASHBOARD_VERSION);
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Serial.println("Target: Waveshare ESP32-S3 Touch LCD 5B");
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Serial.println("Display: 1024x600");
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Serial.println("API Base: /api/v1");
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Serial.println("Initializing board");
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Board *board = new Board();
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board->init();
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#if LVGL_PORT_AVOID_TEARING_MODE
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auto lcd = board->getLCD();
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lcd->configFrameBufferNumber(LVGL_PORT_DISP_BUFFER_NUM);
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#if ESP_PANEL_DRIVERS_BUS_ENABLE_RGB && CONFIG_IDF_TARGET_ESP32S3
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auto lcd_bus = lcd->getBus();
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if (lcd_bus->getBasicAttributes().type == ESP_PANEL_BUS_TYPE_RGB) {
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static_cast<BusRGB *>(lcd_bus)->configRGB_BounceBufferSize(lcd->getFrameWidth() * 10);
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}
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#endif
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#endif
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assert(board->begin());
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Serial.println("Initializing LVGL");
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lvgl_port_init(board->getLCD(), board->getTouch());
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Serial.println("Creating Overland status overview");
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lvgl_port_lock(-1);
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create_overland_status_screen();
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lvgl_port_unlock();
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Serial.println("Dashboard status overview ready");
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}
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void loop()
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{
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connect_wifi_if_needed();
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update_wifi_label();
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poll_status_api();
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delay(500);
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}
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