121 lines
2.8 KiB
C++
121 lines
2.8 KiB
C++
#include "init.h"
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#include <ArduinoJson.h>
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#include <LittleFS.h>
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#include <WiFi.h>
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#include "utils.h"
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namespace esp32 {
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namespace init {
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// WiFi 配置变量
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static String wifiSSID = "";
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static String wifiPassword = "";
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static String backendUrl = "";
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// TFT 显示器引用 (在 initSystem 中设置)
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static Adafruit_ST7735* tftPtr = nullptr;
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// 在屏幕上打印日志
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void tftLog(const char* msg, uint16_t color) {
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if (tftPtr == nullptr)
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return;
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tftPtr->setTextColor(color);
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tftPtr->println(msg);
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tftPtr->setCursor(tftPtr->getCursorX(),
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tftPtr->getCursorY() + 2); // 增加2像素行距
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}
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// 读取并解析配置文件
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bool loadSettings() {
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if (!LittleFS.begin(true)) {
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tftLog("LittleFS mount failed!", RED);
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return false;
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}
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tftLog("LittleFS mounted", GREEN);
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File file = LittleFS.open("/settings.json", "r");
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if (!file) {
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tftLog("Can't open settings", RED);
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return false;
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}
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tftLog("Settings file opened", GREEN);
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// 使用 ArduinoJson 7.x 解析
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JsonDocument doc;
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DeserializationError error = deserializeJson(doc, file);
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file.close();
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if (error) {
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tftLog("JSON parse failed!", RED);
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return false;
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}
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// 读取 WiFi 配置
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wifiSSID = doc["wifi"]["ssid"].as<String>();
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wifiPassword = doc["wifi"]["password"].as<String>();
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// 读取后端接口（可选）
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if (doc.containsKey("backend")) {
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backendUrl = doc["backend"]["url"].as<String>();
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}
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if (backendUrl.isEmpty()) {
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// 回退：保持为空或设为默认
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backendUrl = "http://nf.xn--876a.net/api/data";
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}
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tftLog("Config loaded:", GREEN);
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tftPtr->print(" SSID: ");
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tftLog(wifiSSID.c_str(), WHITE);
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return true;
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}
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// 连接 WiFi
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void connectWiFi() {
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if (wifiSSID.isEmpty()) {
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tftLog("WiFi SSID empty", RED);
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return;
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}
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tftPtr->print("Connecting: ");
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tftLog(wifiSSID.c_str(), WHITE);
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WiFi.mode(WIFI_STA);
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WiFi.begin(wifiSSID.c_str(), wifiPassword.c_str());
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int attempts = 0;
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while (WiFi.status() != WL_CONNECTED && attempts < 20) {
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delay(500);
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tftPtr->print(".");
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attempts++;
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}
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tftPtr->println();
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if (WiFi.status() == WL_CONNECTED) {
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tftLog("WiFi connected!", GREEN);
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tftPtr->print("IP: ");
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tftLog(WiFi.localIP().toString().c_str(), WHITE);
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} else {
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tftLog("WiFi failed!", RED);
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}
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}
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// 初始化系统
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void initSystem(Adafruit_ST7735& tft) {
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tftPtr = &tft;
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tftLog("=== ESP32-S3 ===", YELLOW);
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tft.println();
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// 读取配置文件并连接 WiFi
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if (loadSettings()) {
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connectWiFi();
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}
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}
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// 提供后端 URL 给外部使用
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const String& getBackendUrl() { return backendUrl; }
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} // namespace init
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} // namespace esp32
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