acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
LvglHelloNeoPixel.ino (3684B)
      1 /*******************************************************************************
      2  * LVGL Hello NeoPixel demo
      3  * This is a LVGL Hello World with NeoPixel matrix and Unicode text display
      4  *
      5  * Dependent libraries:
      6  * LVGL: https://github.com/lvgl/lvgl.git
      7  * Adafruit_NeoPixel: https://github.com/adafruit/Adafruit_NeoPixel.git
      8  * 
      9  * Font:
     10  * https://github.com/Warren2060/Chill-Bitmap.git
     11  *
     12  * LVGL Configuration file:
     13  * Copy your_arduino_path/libraries/lvgl/lv_conf_template.h
     14  * to your_arduino_path/libraries/lv_conf.h
     15  *
     16  * In lv_conf.h around line 15, enable config file:
     17  * #if 1 // Set it to "1" to enable content
     18  *
     19  * Then find and set:
     20  * #define LV_COLOR_DEPTH     16
     21  * #define LV_TICK_CUSTOM     1
     22  * #define LV_COLOR_16_SWAP   0
     23  ******************************************************************************/
     24 #include <lvgl.h>
     25 #include <Arduino_GFX_Library.h>
     26 
     27 // all settings in header file
     28 #include "Adafruit_NeoPixel_GFX.h"
     29 Arduino_GFX *gfx = new Adafruit_NeoPixel_GFX();
     30 int16_t x;
     31 uint16_t w, tw;
     32 
     33 static lv_disp_draw_buf_t draw_buf;
     34 static lv_color_t *disp_draw_buf;
     35 static lv_disp_drv_t disp_drv;
     36 
     37 /* Display flushing */
     38 void my_disp_flush(lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p)
     39 {
     40   uint32_t w = (area->x2 - area->x1 + 1);
     41   uint32_t h = (area->y2 - area->y1 + 1);
     42 
     43   gfx->draw16bitRGBBitmap(area->x1, area->y1, (uint16_t *)&color_p->full, w, h);
     44 
     45   lv_disp_flush_ready(disp);
     46 }
     47 
     48 void setup()
     49 {
     50   Serial.begin(115200);
     51   // Serial.setDebugOutput(true);
     52   // while(!Serial);
     53   Serial.println("LVGL Hello NeoPixel Demo");
     54 
     55 #ifdef GFX_EXTRA_PRE_INIT
     56   GFX_EXTRA_PRE_INIT();
     57 #endif
     58 
     59   // Init Display
     60   gfx->begin();
     61   gfx->fillScreen(BLACK);
     62 
     63 #ifdef GFX_BL
     64   pinMode(GFX_BL, OUTPUT);
     65   digitalWrite(GFX_BL, HIGH);
     66 #endif
     67 
     68   lv_init();
     69 
     70 #ifdef ESP32
     71   disp_draw_buf = (lv_color_t *)heap_caps_malloc(sizeof(lv_color_t) * NEOPIXEL_WIDTH * NEOPIXEL_HEIGHT, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
     72 #else
     73   disp_draw_buf = (lv_color_t *)malloc(sizeof(lv_color_t) * NEOPIXEL_WIDTH * NEOPIXEL_HEIGHT);
     74 #endif
     75   if (!disp_draw_buf)
     76   {
     77     Serial.println("LVGL disp_draw_buf allocate failed!");
     78   }
     79   else
     80   {
     81     lv_disp_draw_buf_init(&draw_buf, disp_draw_buf, NULL, NEOPIXEL_WIDTH * NEOPIXEL_HEIGHT);
     82 
     83     /* Initialize the display */
     84     lv_disp_drv_init(&disp_drv);
     85     /* Change the following line to your display resolution */
     86     disp_drv.hor_res = NEOPIXEL_WIDTH;
     87     disp_drv.ver_res = NEOPIXEL_HEIGHT;
     88     disp_drv.flush_cb = my_disp_flush;
     89     disp_drv.draw_buf = &draw_buf;
     90     lv_disp_drv_register(&disp_drv);
     91 
     92     /* Initialize the (dummy) input device driver */
     93     static lv_indev_drv_t indev_drv;
     94     lv_indev_drv_init(&indev_drv);
     95     indev_drv.type = LV_INDEV_TYPE_POINTER;
     96     lv_indev_drv_register(&indev_drv);
     97 
     98     /* Set black background */
     99     lv_obj_set_style_bg_color(lv_scr_act(), lv_color_hex(0x000000), LV_PART_MAIN | LV_STATE_DEFAULT );
    100     /* Create label */
    101     lv_obj_t *label = lv_label_create(lv_scr_act());
    102     lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
    103     lv_obj_set_width(label, NEOPIXEL_WIDTH);
    104     lv_obj_set_style_text_color(label, lv_color_hex(0xFF0000), LV_PART_MAIN | LV_STATE_DEFAULT );
    105     lv_label_set_text(label, "LVGL Hello NeoPixel! 《陈亮手痕定律》 点阵屏测试");
    106     /* Set font */
    107     LV_FONT_DECLARE(ui_font_Chill7);
    108     lv_obj_set_style_text_font(label, &ui_font_Chill7, LV_PART_MAIN| LV_STATE_DEFAULT);
    109     /* Set scrolling */
    110     lv_label_set_long_mode(label, LV_LABEL_LONG_SCROLL_CIRCULAR);
    111     lv_obj_set_style_anim_speed(label, 10, LV_STATE_DEFAULT);
    112 
    113     Serial.println("Setup done");
    114   }
    115 }
    116 
    117 void loop()
    118 {
    119   lv_timer_handler(); /* let the GUI do its work */
    120   delay(5);
    121 }