更新结构

2025-03-15 10:27:18 +08:00
parent 118f25ab3d
commit 18386ffd9f
1047 changed files with 0 additions and 0 deletions
--- a/nodemcuv2/lv_arduino/examples/ESP32_TFT_eSPI/ESP32_TFT_eSPI.ino
+++ b/nodemcuv2/lv_arduino/examples/ESP32_TFT_eSPI/ESP32_TFT_eSPI.ino
@@ -0,0 +1,91 @@
+#include <lvgl.h>
+#include <TFT_eSPI.h>
+
+TFT_eSPI tft = TFT_eSPI(); /* TFT instance */
+static lv_disp_buf_t disp_buf;
+static lv_color_t buf[LV_HOR_RES_MAX * 10];
+
+#if USE_LV_LOG != 0
+/* Serial debugging */
+void my_print(lv_log_level_t level, const char * file, uint32_t line, const char * dsc)
+{
+
+    Serial.printf("%s@%d->%s\r\n", file, line, dsc);
+    Serial.flush();
+}
+#endif
+
+/* Display flushing */
+void my_disp_flush(lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p)
+{
+    uint32_t w = (area->x2 - area->x1 + 1);
+    uint32_t h = (area->y2 - area->y1 + 1);
+
+    tft.startWrite();
+    tft.setAddrWindow(area->x1, area->y1, w, h);
+    tft.pushColors(&color_p->full, w * h, true);
+    tft.endWrite();
+
+    lv_disp_flush_ready(disp);
+}
+
+/* Reading input device (simulated encoder here) */
+bool read_encoder(lv_indev_drv_t * indev, lv_indev_data_t * data)
+{
+    static int32_t last_diff = 0;
+    int32_t diff = 0; /* Dummy - no movement */
+    int btn_state = LV_INDEV_STATE_REL; /* Dummy - no press */
+
+    data->enc_diff = diff - last_diff;;
+    data->state = btn_state;
+
+    last_diff = diff;
+
+    return false;
+}
+
+void setup()
+{
+
+    Serial.begin(115200); /* prepare for possible serial debug */
+
+    lv_init();
+
+#if USE_LV_LOG != 0
+    lv_log_register_print_cb(my_print); /* register print function for debugging */
+#endif
+
+    tft.begin(); /* TFT init */
+    tft.setRotation(1); /* Landscape orientation */
+
+    lv_disp_buf_init(&disp_buf, buf, NULL, LV_HOR_RES_MAX * 10);
+
+    /*Initialize the display*/
+    lv_disp_drv_t disp_drv;
+    lv_disp_drv_init(&disp_drv);
+    disp_drv.hor_res = 320;
+    disp_drv.ver_res = 240;
+    disp_drv.flush_cb = my_disp_flush;
+    disp_drv.buffer = &disp_buf;
+    lv_disp_drv_register(&disp_drv);
+
+    /*Initialize the (dummy) input device driver*/
+    lv_indev_drv_t indev_drv;
+    lv_indev_drv_init(&indev_drv);
+    indev_drv.type = LV_INDEV_TYPE_ENCODER;
+    indev_drv.read_cb = read_encoder;
+    lv_indev_drv_register(&indev_drv);
+
+    /* Create simple label */
+    lv_obj_t *label = lv_label_create(lv_scr_act(), NULL);
+    lv_label_set_text(label, "Hello Arduino! (V7.0.X)");
+    lv_obj_align(label, NULL, LV_ALIGN_CENTER, 0, 0);
+}
+
+
+void loop()
+{
+
+    lv_task_handler(); /* let the GUI do its work */
+    delay(5);
+}