init Files

2024-12-09 19:47:18 +01:00
parent b55a8cd2bc
commit 528e862838
3471 changed files with 1105029 additions and 0 deletions
--- a/libraries/lvgl/examples/arduino/LVGL_Arduino/LVGL_Arduino.ino
+++ b/libraries/lvgl/examples/arduino/LVGL_Arduino/LVGL_Arduino.ino
@@ -0,0 +1,143 @@
+/*Using LVGL with Arduino requires some extra steps:
+ *Be sure to read the docs here: https://docs.lvgl.io/master/integration/framework/arduino.html  */
+
+#include <lvgl.h>
+
+#if LV_USE_TFT_ESPI
+#include <TFT_eSPI.h>
+#endif
+
+/*To use the built-in examples and demos of LVGL uncomment the includes below respectively.
+ *You also need to copy `lvgl/examples` to `lvgl/src/examples`. Similarly for the demos `lvgl/demos` to `lvgl/src/demos`.
+ *Note that the `lv_examples` library is for LVGL v7 and you shouldn't install it for this version (since LVGL v8)
+ *as the examples and demos are now part of the main LVGL library. */
+
+//#include <examples/lv_examples.h>
+//#include <demos/lv_demos.h>
+
+/*Set to your screen resolution and rotation*/
+#define TFT_HOR_RES   320
+#define TFT_VER_RES   240
+#define TFT_ROTATION  LV_DISPLAY_ROTATION_0
+
+/*LVGL draw into this buffer, 1/10 screen size usually works well. The size is in bytes*/
+#define DRAW_BUF_SIZE (TFT_HOR_RES * TFT_VER_RES / 10 * (LV_COLOR_DEPTH / 8))
+uint32_t draw_buf[DRAW_BUF_SIZE / 4];
+
+#if LV_USE_LOG != 0
+void my_print( lv_log_level_t level, const char * buf )
+{
+    LV_UNUSED(level);
+    Serial.println(buf);
+    Serial.flush();
+}
+#endif
+
+/* LVGL calls it when a rendered image needs to copied to the display*/
+void my_disp_flush( lv_display_t *disp, const lv_area_t *area, uint8_t * px_map)
+{
+    /*Copy `px map` to the `area`*/
+
+    /*For example ("my_..." functions needs to be implemented by you)
+    uint32_t w = lv_area_get_width(area);
+    uint32_t h = lv_area_get_height(area);
+
+    my_set_window(area->x1, area->y1, w, h);
+    my_draw_bitmaps(px_map, w * h);
+     */
+
+    /*Call it to tell LVGL you are ready*/
+    lv_display_flush_ready(disp);
+}
+
+/*Read the touchpad*/
+void my_touchpad_read( lv_indev_t * indev, lv_indev_data_t * data )
+{
+    /*For example  ("my_..." functions needs to be implemented by you)
+    int32_t x, y;
+    bool touched = my_get_touch( &x, &y );
+
+    if(!touched) {
+        data->state = LV_INDEV_STATE_RELEASED;
+    } else {
+        data->state = LV_INDEV_STATE_PRESSED;
+
+        data->point.x = x;
+        data->point.y = y;
+    }
+     */
+}
+
+/*use Arduinos millis() as tick source*/
+static uint32_t my_tick(void)
+{
+    return millis();
+}
+
+void setup()
+{
+    String LVGL_Arduino = "Hello Arduino! ";
+    LVGL_Arduino += String('V') + lv_version_major() + "." + lv_version_minor() + "." + lv_version_patch();
+
+    Serial.begin( 115200 );
+    Serial.println( LVGL_Arduino );
+
+    lv_init();
+
+    /*Set a tick source so that LVGL will know how much time elapsed. */
+    lv_tick_set_cb(my_tick);
+
+    /* register print function for debugging */
+#if LV_USE_LOG != 0
+    lv_log_register_print_cb( my_print );
+#endif
+
+    lv_display_t * disp;
+#if LV_USE_TFT_ESPI
+    /*TFT_eSPI can be enabled lv_conf.h to initialize the display in a simple way*/
+    disp = lv_tft_espi_create(TFT_HOR_RES, TFT_VER_RES, draw_buf, sizeof(draw_buf));
+    lv_display_set_rotation(disp, TFT_ROTATION);
+
+#else
+    /*Else create a display yourself*/
+    disp = lv_display_create(TFT_HOR_RES, TFT_VER_RES);
+    lv_display_set_flush_cb(disp, my_disp_flush);
+    lv_display_set_buffers(disp, draw_buf, NULL, sizeof(draw_buf), LV_DISPLAY_RENDER_MODE_PARTIAL);
+#endif
+
+    /*Initialize the (dummy) input device driver*/
+    lv_indev_t * indev = lv_indev_create();
+    lv_indev_set_type(indev, LV_INDEV_TYPE_POINTER); /*Touchpad should have POINTER type*/
+    lv_indev_set_read_cb(indev, my_touchpad_read);
+
+    /* Create a simple label
+     * ---------------------
+     lv_obj_t *label = lv_label_create( lv_screen_active() );
+     lv_label_set_text( label, "Hello Arduino, I'm LVGL!" );
+     lv_obj_align( label, LV_ALIGN_CENTER, 0, 0 );
+
+     * Try an example. See all the examples
+     *  - Online: https://docs.lvgl.io/master/examples.html
+     *  - Source codes: https://github.com/lvgl/lvgl/tree/master/examples
+     * ----------------------------------------------------------------
+
+     lv_example_btn_1();
+
+     * Or try out a demo. Don't forget to enable the demos in lv_conf.h. E.g. LV_USE_DEMO_WIDGETS
+     * -------------------------------------------------------------------------------------------
+
+     lv_demo_widgets();
+     */
+
+    lv_obj_t *label = lv_label_create( lv_screen_active() );
+    lv_label_set_text( label, "Hello Arduino, I'm LVGL!" );
+    lv_obj_align( label, LV_ALIGN_CENTER, 0, 0 );
+
+    Serial.println( "Setup done" );
+}
+
+void loop()
+{
+    lv_timer_handler(); /* let the GUI do its work */
+    delay(5); /* let this time pass */
+}