去除ota

firmware/ai_light/ai_light.ino

@@ -6,8 +6,6 @@
 #include <BLEUtils.h>
 #include <BLE2902.h>
 #include <Preferences.h>
-#include <HTTPClient.h>
-#include <Update.h>
 
 // =====================================================
 // ESP32-C3 SuperMini + 原玩具公共正极灯板：BLE + MQTT 双模式
@@ -36,8 +34,7 @@
 //     "mqtt_topic_config": "agent/status/config",
 //     "pin_red": 4,
 //     "pin_green": 3,
-//     "pin_yellow": 2,
-//     "ota_url": "https://example.com/firmware.bin"
+//     "pin_yellow": 2
 //   }
 //
 // 接线方式（默认引脚，可通过配置修改）：
@@ -106,8 +103,6 @@ String cfgMqttClient = "AI-Light";
 String cfgMqttTopic = "agent/status";
 String cfgMqttStatus = "agentLight/status";
 String cfgMqttTopicConfig = "agent/status/config";
-String cfgOtaUrl = "";
-bool otaInProgress = false;
 
 
 // =====================================================
@@ -128,7 +123,6 @@ void loadConfig() {
   redPin = preferences.getUInt("pin_red", 4);
   greenPin = preferences.getUInt("pin_green", 3);
   yellowPin = preferences.getUInt("pin_yellow", 2);
-  cfgOtaUrl = preferences.getString("ota_url", "");
 }
 
 bool isConfigComplete() {
@@ -150,7 +144,6 @@ String getConfigJson() {
   doc["pin_red"] = redPin;
   doc["pin_green"] = greenPin;
   doc["pin_yellow"] = yellowPin;
-  doc["ota_url"] = cfgOtaUrl;
   String out;
   serializeJson(doc, out);
   return out;
@@ -191,8 +184,6 @@ void saveConfigFromJson(const String& json) {
     preferences.putUInt("pin_green", doc["pin_green"].as<uint8_t>());
   if (doc.containsKey("pin_yellow"))
     preferences.putUInt("pin_yellow", doc["pin_yellow"].as<uint8_t>());
-  if (doc.containsKey("ota_url"))
-    preferences.putString("ota_url", doc["ota_url"].as<String>());
 
   Serial.println("Config saved. Restarting...");
   delay(500);
@@ -507,10 +498,6 @@ class ServerCallbacks : public BLEServerCallbacks {
 class ModeCharCallbacks : public BLECharacteristicCallbacks {
   void onWrite(BLECharacteristic* c) {
     String val = c->getValue();
-    if (val == "ota") {
-      performOTA();
-      return;
-    }
     setMode(val);
   }
   void onRead(BLECharacteristic* c) { c->setValue(currentMode.c_str()); }
@@ -575,10 +562,6 @@ void mqttCallback(char* topic, byte* payload, unsigned int length) {
     else if (c == "reasoning") setMode("thinking");
     else if (c == "using_tool") setMode("ai");
     else if (c == "error") setMode("error");
-    else if (c == "ota") {
-      performOTA();
-      return;
-    }
     else setMode(c);
   }
 }
@@ -632,114 +615,6 @@ void checkMQTTConnection() {
 }
 
 
-// =====================================================
-// OTA 固件更新
-// =====================================================
-
-void notifyOtaStatus(const String& status) {
-  if (pModeCharacteristic && bleDeviceConnected) {
-    pModeCharacteristic->setValue(status.c_str());
-    pModeCharacteristic->notify();
-  }
-  if (useMQTT && mqttClient.connected()) {
-    mqttClient.publish(cfgMqttStatus.c_str(), status.c_str(), true);
-  }
-}
-
-void performOTA() {
-  Serial.println("=== OTA Start ===");
-
-  if (otaInProgress) {
-    Serial.println("OTA already in progress");
-    return;
-  }
-
-  if (cfgOtaUrl.length() == 0) {
-    Serial.println("OTA URL not configured");
-    notifyOtaStatus("ota:no_url");
-    return;
-  }
-
-  if (WiFi.status() != WL_CONNECTED) {
-    Serial.println("WiFi not connected");
-    notifyOtaStatus("ota:no_wifi");
-    return;
-  }
-
-  otaInProgress = true;
-  notifyOtaStatus("ota:downloading");
-
-  HTTPClient http;
-  http.begin(cfgOtaUrl);
-  http.setTimeout(30000);
-
-  int httpCode = http.GET();
-  Serial.printf("HTTP GET: %d\n", httpCode);
-
-  if (httpCode != 200) {
-    Serial.printf("HTTP error: %d\n", httpCode);
-    notifyOtaStatus("ota:error");
-    http.end();
-    otaInProgress = false;
-    return;
-  }
-
-  int contentLength = http.getSize();
-  Serial.printf("Firmware size: %d bytes\n", contentLength);
-
-  if (contentLength <= 0) {
-    Serial.println("Invalid content length");
-    notifyOtaStatus("ota:error");
-    http.end();
-    otaInProgress = false;
-    return;
-  }
-
-  if (!Update.begin(contentLength)) {
-    Serial.println("Update.begin failed");
-    notifyOtaStatus("ota:error");
-    http.end();
-    otaInProgress = false;
-    return;
-  }
-
-  WiFiClient* stream = http.getStreamPtr();
-  uint8_t buf[1024];
-  int written = 0;
-  unsigned long lastProgress = millis();
-
-  while (http.connected() && written < contentLength) {
-    size_t size = stream->available();
-    if (size) {
-      int bytesRead = stream->readBytes(buf, min(size, sizeof(buf)));
-      size_t bytesWritten = Update.write(buf, bytesRead);
-      written += bytesWritten;
-
-      if (millis() - lastProgress >= 1000) {
-        Serial.printf("Progress: %d/%d (%.1f%%)\n", written, contentLength, (float)written / contentLength * 100);
-        lastProgress = millis();
-      }
-    }
-    delay(1);
-  }
-
-  Serial.printf("Written: %d/%d\n", written, contentLength);
-
-  if (Update.end(true)) {
-    Serial.println("OTA success!");
-    notifyOtaStatus("ota:success");
-    delay(1000);
-    ESP.restart();
-  } else {
-    Serial.printf("OTA error: %s\n", Update.errorString());
-    notifyOtaStatus("ota:error");
-  }
-
-  http.end();
-  otaInProgress = false;
-}
-
-
 // =====================================================
 // 初始化
 // =====================================================