fix: 节点列表禁用自动切换，改为上下键控制

- 禁用 autoCycleEnabled，停止自动切换模式
- 添加 switchToNextMode/switchToPrevMode/getCurrentMode 函数
- 在 Screen.cpp 中添加 UP/DOWN 按键处理来切换模式

code/firmware-2.7.15.567b8ea/src/graphics/Screen.cpp

@@ -1596,6 +1596,20 @@ int Screen::handleInputEvent(const InputEvent *event)
                 showPrevFrame();
             } else if (event->inputEvent == INPUT_BROKER_RIGHT || event->inputEvent == INPUT_BROKER_USER_PRESS) {
                 showNextFrame();
+            } else if (event->inputEvent == INPUT_BROKER_UP) {
+                // 在节点列表界面，UP 切换到上一个模式
+                if (this->ui->getUiState()->currentFrame == framesetInfo.positions.nodelist) {
+                    graphics::NodeListRenderer::switchToPrevMode();
+                    setFastFramerate();
+                    ui->update();
+                }
+            } else if (event->inputEvent == INPUT_BROKER_DOWN) {
+                // 在节点列表界面，DOWN 切换到下一个模式
+                if (this->ui->getUiState()->currentFrame == framesetInfo.positions.nodelist) {
+                    graphics::NodeListRenderer::switchToNextMode();
+                    setFastFramerate();
+                    ui->update();
+                }
             } else if (event->inputEvent == INPUT_BROKER_SELECT) {
                 if (this->ui->getUiState()->currentFrame == framesetInfo.positions.home) {
                     menuHandler::homeBaseMenu();

code/firmware-2.7.15.567b8ea/src/graphics/draw/NodeListRenderer.cpp

@@ -48,6 +48,26 @@ void drawScaledXBitmap16x16(int x, int y, int width, int height, const uint8_t *
 // Static variables for dynamic cycling
 static NodeListMode currentMode = MODE_LAST_HEARD;
 static int scrollIndex = 0;
+static bool autoCycleEnabled = false; // 禁用自动切换，改为手动按键控制
+
+// =============================
+// Mode Control Functions (manual UP/DOWN control)
+// =============================
+
+NodeListMode getCurrentMode()
+{
+    return currentMode;
+}
+
+void switchToNextMode()
+{
+    currentMode = static_cast<NodeListMode>((currentMode + 1) % MODE_COUNT);
+}
+
+void switchToPrevMode()
+{
+    currentMode = static_cast<NodeListMode>((currentMode + MODE_COUNT - 1) % MODE_COUNT);
+}
 
 // =============================
 // Utility Functions
@@ -534,8 +554,8 @@ void drawDynamicNodeListScreen(OLEDDisplay *display, OLEDDisplayUiState *state,
         modeStartTime = now;
     }
 
-    // Time to switch to next mode?
-    if (now - modeStartTime >= getModeCycleIntervalMs()) {
+    // Time to switch to next mode? (only if auto-cycle is enabled)
+    if (autoCycleEnabled && now - modeStartTime >= getModeCycleIntervalMs()) {
         currentMode = static_cast<NodeListMode>((currentMode + 1) % MODE_COUNT);
         modeStartTime = now;
     }

code/firmware-2.7.15.567b8ea/src/graphics/draw/NodeListRenderer.h

@@ -54,6 +54,11 @@ const char *getCurrentModeTitle(int screenWidth);
 const char *getSafeNodeName(meshtastic_NodeInfoLite *node);
 void drawColumns(OLEDDisplay *display, int16_t x, int16_t y, const char **fields);
 
+// Mode control functions (for manual UP/DOWN control)
+void switchToNextMode();
+void switchToPrevMode();
+NodeListMode getCurrentMode();
+
 // Bitmap drawing function
 void drawScaledXBitmap16x16(int x, int y, int width, int height, const uint8_t *bitmapXBM, OLEDDisplay *display);