Add button counter test on GPIO22 with SoftSPI touch and LVGL.

Each press increments on-screen count; touch Reset clears. Flashable firmware/cyd package.

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

src/main.cpp

@@ -0,0 +1,57 @@
+#include <Arduino.h>
+#include <lvgl.h>
+
+#include "button.h"
+#include "pins.h"
+#include "touch.h"
+#include "ui.h"
+
+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];
+
+void setup() {
+  Serial.begin(460800);
+  delay(200);
+  Serial.println();
+  Serial.printf("LVGL %d.%d.%d | Button sensor GPIO%d\n", lv_version_major(),
+                lv_version_minor(), lv_version_patch(), BTN_PIN);
+  Serial.println("BOOT_OK");
+
+  pinMode(TFT_BL_PIN, OUTPUT);
+  digitalWrite(TFT_BL_PIN, HIGH);
+
+  touch_init();
+  button_init();
+
+  lv_init();
+
+  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);
+
+  lv_indev_t *indev = lv_indev_create();
+  lv_indev_set_type(indev, LV_INDEV_TYPE_POINTER);
+  lv_indev_set_read_cb(indev, touch_read_cb);
+  lv_indev_set_display(indev, disp);
+
+  ui_create();
+}
+
+void loop() {
+  if (button_poll_press()) {
+    ui_refresh_count();
+  } else {
+    // 按下/松开时刷新状态字，但不重复计数
+    static bool last_down = false;
+    const bool down = button_is_down();
+    if (down != last_down) {
+      last_down = down;
+      ui_refresh_count();
+    }
+  }
+
+  lv_timer_handler();
+  lv_tick_inc(5);
+  delay(5);
+}