initial commit

2026-02-12 00:45:31 -08:00
commit 5f168f370b
3024 changed files with 804889 additions and 0 deletions
--- a/examples/LVGL_Arduino/LVGL_Driver.cpp
+++ b/examples/LVGL_Arduino/LVGL_Driver.cpp
@@ -0,0 +1,84 @@
+/*****************************************************************************
+  | File        :   LVGL_Driver.c
+  
+  | help        : 
+    The provided LVGL library file must be installed first
+******************************************************************************/
+#include "LVGL_Driver.h"
+
+static lv_disp_draw_buf_t draw_buf;
+static lv_color_t buf1[ LVGL_BUF_LEN ];
+static lv_color_t buf2[ LVGL_BUF_LEN ];
+// static lv_color_t* buf1 = (lv_color_t*) heap_caps_malloc(LVGL_BUF_LEN, MALLOC_CAP_SPIRAM);
+// static lv_color_t* buf2 = (lv_color_t*) heap_caps_malloc(LVGL_BUF_LEN, MALLOC_CAP_SPIRAM);
+    
+
+
+/* Serial debugging */
+void Lvgl_print(const char * buf)
+{
+    // Serial.printf(buf);
+    // Serial.flush();
+}
+
+/*  Display flushing 
+    Displays LVGL content on the LCD
+    This function implements associating LVGL data to the LCD screen
+*/
+void Lvgl_Display_LCD( lv_disp_drv_t *disp_drv, const lv_area_t *area, lv_color_t *color_p )
+{
+  LCD_addWindow(area->x1, area->y1, area->x2, area->y2, ( uint16_t *)&color_p->full);
+  lv_disp_flush_ready( disp_drv );
+}
+/*Read the touchpad*/
+void Lvgl_Touchpad_Read( lv_indev_drv_t * indev_drv, lv_indev_data_t * data )
+{
+  // NULL
+}
+void example_increase_lvgl_tick(void *arg)
+{
+    /* Tell LVGL how many milliseconds has elapsed */
+    lv_tick_inc(EXAMPLE_LVGL_TICK_PERIOD_MS);
+}
+void Lvgl_Init(void)
+{
+  lv_init();
+  lv_disp_draw_buf_init( &draw_buf, buf1, buf2, LVGL_BUF_LEN);
+
+  /*Initialize the display*/
+  static lv_disp_drv_t disp_drv;
+  lv_disp_drv_init( &disp_drv );
+  /*Change the following line to your display resolution*/
+  disp_drv.hor_res = LVGL_WIDTH;
+  disp_drv.ver_res = LVGL_HEIGHT;
+  disp_drv.flush_cb = Lvgl_Display_LCD;
+  disp_drv.full_refresh = 1;                    /**< 1: Always make the whole screen redrawn*/
+  disp_drv.draw_buf = &draw_buf;
+  lv_disp_drv_register( &disp_drv );
+
+  /*Initialize the (dummy) input device driver*/
+  static lv_indev_drv_t indev_drv;
+  lv_indev_drv_init( &indev_drv );
+  indev_drv.type = LV_INDEV_TYPE_POINTER;
+  indev_drv.read_cb = Lvgl_Touchpad_Read;
+  lv_indev_drv_register( &indev_drv );
+
+  /* Create simple label */
+  lv_obj_t *label = lv_label_create( lv_scr_act() );
+  lv_label_set_text( label, "Hello Ardino and LVGL!");
+  lv_obj_align( label, LV_ALIGN_CENTER, 0, 0 );
+
+  const esp_timer_create_args_t lvgl_tick_timer_args = {
+    .callback = &example_increase_lvgl_tick,
+    .name = "lvgl_tick"
+  };
+  esp_timer_handle_t lvgl_tick_timer = NULL;
+  esp_timer_create(&lvgl_tick_timer_args, &lvgl_tick_timer);
+  esp_timer_start_periodic(lvgl_tick_timer, EXAMPLE_LVGL_TICK_PERIOD_MS * 1000);
+
+}
+void Timer_Loop(void)
+{
+  lv_timer_handler(); /* let the GUI do its work */
+  // delay( 5 );
+}