Add HW-069 v1.1 4-digit TM1637 test with SoftSPI touch and LVGL.

CLK on GPIO22, DIO on GPIO27; value/brightness/colon controls and flashable firmware/cyd package.

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

include/digit.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include <stdint.h>
+
+void digit_init();
+
+void digit_set_on(bool on);
+bool digit_is_on();
+
+/** 显示数值 0..9999（超出钳位） */
+void digit_set_value(int value);
+int digit_get_value();
+
+/** 亮度 0..100，映射到 TM1637 8 档 */
+void digit_set_brightness(uint8_t percent);
+uint8_t digit_brightness();
+
+void digit_set_colon(bool on);
+bool digit_colon();
+
+void digit_clear();

include/pins.h

@@ -0,0 +1,20 @@
+#pragma once
+
+// CYD ESP32-2432S028R — 触控/屏脚与 tftest 一致
+// HW-069 v1.1 四位数显（TM1637）：CLK=GPIO22，DIO=GPIO27
+
+#define TFT_BL_PIN 21
+
+#define CYD_TOUCH_IRQ  36
+#define CYD_TOUCH_MOSI 32
+#define CYD_TOUCH_MISO 39
+#define CYD_TOUCH_CLK  25
+#define CYD_TOUCH_CS   33
+
+#define HW069_CLK_PIN 22
+#define HW069_DIO_PIN 27
+
+#define SCREEN_WIDTH  240
+#define SCREEN_HEIGHT 320
+#define UI_HOR_RES    320
+#define UI_VER_RES    240

include/touch.h

@@ -0,0 +1,12 @@
+#pragma once
+
+#include <lvgl.h>
+#include <stdint.h>
+
+void touch_init();
+void touch_read_cb(lv_indev_t *indev, lv_indev_data_t *data);
+
+// 调试：最近一次触点（物理 / LVGL 旋转后逻辑）
+extern int16_t g_dbg_phys_x, g_dbg_phys_y;
+extern int16_t g_dbg_logic_x, g_dbg_logic_y;
+extern bool g_dbg_touch_down;

include/ui.h

@@ -0,0 +1,4 @@
+#pragma once
+
+void ui_create();
+void ui_refresh_digit();