Strip TF and audio; keep touch-only screen test UI.

Co-authored-by: Cursor <cursoragent@cursor.com>

src/main.cpp

@@ -1,10 +1,7 @@
 #include <Arduino.h>
-#include <TFT_eSPI.h>
 #include <lvgl.h>
 
-#include "audio_test.h"
 #include "pins.h"
-#include "sd_info.h"
 #include "touch.h"
 #include "ui.h"
 
@@ -12,41 +9,21 @@ static constexpr uint32_t DRAW_BUF_SIZE =
     (SCREEN_WIDTH * SCREEN_HEIGHT / 10 * (LV_COLOR_DEPTH / 8));
 static uint32_t draw_buf[DRAW_BUF_SIZE / 4];
 
-static uint32_t last_refresh_ms = 0;
-static uint32_t last_btn_ui_ms = 0;
-static constexpr uint32_t REFRESH_MS = 3000;
-
-static void refresh_sd_ui() {
-  SdCardInfo info = sd_read_info();
-
-  Serial.println("---- TF Card ----");
-  if (!info.mounted) {
-    Serial.printf("Error: %s\n", info.error.c_str());
-  } else {
-    Serial.printf("Type: %s  FS: %s  Cap: %s\n", info.type, info.filesystem,
-                  format_bytes(info.card_bytes).c_str());
-  }
-
-  ui_update(info);
-}
+static uint32_t last_dbg_ms = 0;
 
 void setup() {
   Serial.begin(115200);
   delay(200);
   Serial.println();
-  Serial.printf("LVGL %d.%d.%d | CYD TF + Touch Speaker\n", lv_version_major(),
+  Serial.printf("LVGL %d.%d.%d | touch test only\n", lv_version_major(),
                 lv_version_minor(), lv_version_patch());
 
   pinMode(TFT_BL_PIN, OUTPUT);
   digitalWrite(TFT_BL_PIN, HIGH);
 
-  audio_init();
   touch_init();
-
   lv_init();
 
-  // Sunton 官方：240x320 + ROTATION_270 → 横屏（勿 create 320x240，会花屏）
-  // 触摸见 touch.cpp（官方 mirror_x + 日志补偿）
   lv_display_t *disp =
       lv_tft_espi_create(SCREEN_WIDTH, SCREEN_HEIGHT, draw_buf, sizeof(draw_buf));
   lv_display_set_rotation(disp, LV_DISPLAY_ROTATION_270);
@@ -57,31 +34,15 @@ void setup() {
   lv_indev_set_display(indev, disp);
 
   ui_create();
-
-  if (!sd_init()) {
-    Serial.println("SD mount failed at boot");
-  }
-
-  refresh_sd_ui();
-  last_refresh_ms = millis();
-  last_btn_ui_ms = millis();
 }
 
 void loop() {
   lv_timer_handler();
   lv_tick_inc(5);
-  audio_tick();
 
-  uint32_t now = millis();
-  if (now - last_refresh_ms >= REFRESH_MS) {
-    last_refresh_ms = now;
-    refresh_sd_ui();
-  }
-
-  // 播放过程中刷新按钮文字；同步触点调试
-  if (now - last_btn_ui_ms >= 200) {
-    last_btn_ui_ms = now;
-    ui_refresh_audio_buttons();
+  const uint32_t now = millis();
+  if (now - last_dbg_ms >= 50) {
+    last_dbg_ms = now;
     ui_set_touch_debug(g_dbg_logic_x, g_dbg_logic_y, g_dbg_touch_down);
   }