acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
LvglWidgets.ino (6653B)
      1 /*******************************************************************************
      2  * LVGL Widgets
      3  * This is a widgets demo for LVGL - Light and Versatile Graphics Library
      4  * import from: https://github.com/lvgl/lv_demos.git
      5  *
      6  * Dependent libraries:
      7  * LVGL: https://github.com/lvgl/lvgl.git
      8 
      9  * Touch libraries:
     10  * FT6X36: https://github.com/strange-v/FT6X36.git
     11  * GT911: https://github.com/TAMCTec/gt911-arduino.git
     12  * XPT2046: https://github.com/PaulStoffregen/XPT2046_Touchscreen.git
     13  *
     14  * LVGL Configuration file:
     15  * Copy your_arduino_path/libraries/lvgl/lv_conf_template.h
     16  * to your_arduino_path/libraries/lv_conf.h
     17  * 
     18  * In lv_conf.h around line 15, enable config file:
     19  * #if 1 // Set it to "1" to enable content
     20  * 
     21  * Then find and set:
     22  * #define LV_COLOR_DEPTH     16
     23  * #define LV_TICK_CUSTOM     1
     24  *
     25  * For SPI/parallel 8 display set color swap can be faster, parallel 16/RGB screen don't swap!
     26  * #define LV_COLOR_16_SWAP   1 // for SPI and parallel 8
     27  * #define LV_COLOR_16_SWAP   0 // for parallel 16 and RGB
     28  *
     29  * Enable LVGL Demo Widgets
     30  * #define LV_USE_DEMO_WIDGETS 1
     31  ******************************************************************************/
     32 #include "lv_demo_widgets.h"
     33 
     34 /*******************************************************************************
     35  * Start of Arduino_GFX setting
     36  *
     37  * Arduino_GFX try to find the settings depends on selected board in Arduino IDE
     38  * Or you can define the display dev kit not in the board list
     39  * Defalult pin list for non display dev kit:
     40  * Arduino Nano, Micro and more: CS:  9, DC:  8, RST:  7, BL:  6, SCK: 13, MOSI: 11, MISO: 12
     41  * ESP32 various dev board     : CS:  5, DC: 27, RST: 33, BL: 22, SCK: 18, MOSI: 23, MISO: nil
     42  * ESP32-C3 various dev board  : CS:  7, DC:  2, RST:  1, BL:  3, SCK:  4, MOSI:  6, MISO: nil
     43  * ESP32-S2 various dev board  : CS: 34, DC: 38, RST: 33, BL: 21, SCK: 36, MOSI: 35, MISO: nil
     44  * ESP32-S3 various dev board  : CS: 40, DC: 41, RST: 42, BL: 48, SCK: 36, MOSI: 35, MISO: nil
     45  * ESP8266 various dev board   : CS: 15, DC:  4, RST:  2, BL:  5, SCK: 14, MOSI: 13, MISO: 12
     46  * Raspberry Pi Pico dev board : CS: 17, DC: 27, RST: 26, BL: 28, SCK: 18, MOSI: 19, MISO: 16
     47  * RTL8720 BW16 old patch core : CS: 18, DC: 17, RST:  2, BL: 23, SCK: 19, MOSI: 21, MISO: 20
     48  * RTL8720_BW16 Official core  : CS:  9, DC:  8, RST:  6, BL:  3, SCK: 10, MOSI: 12, MISO: 11
     49  * RTL8722 dev board           : CS: 18, DC: 17, RST: 22, BL: 23, SCK: 13, MOSI: 11, MISO: 12
     50  * RTL8722_mini dev board      : CS: 12, DC: 14, RST: 15, BL: 13, SCK: 11, MOSI:  9, MISO: 10
     51  * Seeeduino XIAO dev board    : CS:  3, DC:  2, RST:  1, BL:  0, SCK:  8, MOSI: 10, MISO:  9
     52  * Teensy 4.1 dev board        : CS: 39, DC: 41, RST: 40, BL: 22, SCK: 13, MOSI: 11, MISO: 12
     53  ******************************************************************************/
     54 #include <Arduino_GFX_Library.h>
     55 
     56 #define GFX_BL DF_GFX_BL // default backlight pin, you may replace DF_GFX_BL to actual backlight pin
     57 
     58 /* More dev device declaration: https://github.com/moononournation/Arduino_GFX/wiki/Dev-Device-Declaration */
     59 #if defined(DISPLAY_DEV_KIT)
     60 Arduino_GFX *gfx = create_default_Arduino_GFX();
     61 #else /* !defined(DISPLAY_DEV_KIT) */
     62 
     63 /* More data bus class: https://github.com/moononournation/Arduino_GFX/wiki/Data-Bus-Class */
     64 Arduino_DataBus *bus = create_default_Arduino_DataBus();
     65 
     66 /* More display class: https://github.com/moononournation/Arduino_GFX/wiki/Display-Class */
     67 Arduino_GFX *gfx = new Arduino_ILI9341(bus, DF_GFX_RST, 0 /* rotation */, false /* IPS */);
     68 
     69 #endif /* !defined(DISPLAY_DEV_KIT) */
     70 /*******************************************************************************
     71  * End of Arduino_GFX setting
     72  ******************************************************************************/
     73 
     74 /*******************************************************************************
     75  * Please config the touch panel in touch.h
     76  ******************************************************************************/
     77 #include "touch.h"
     78 
     79 /* Change to your screen resolution */
     80 static uint32_t screenWidth;
     81 static uint32_t screenHeight;
     82 static lv_disp_draw_buf_t draw_buf;
     83 static lv_color_t *disp_draw_buf;
     84 static lv_disp_drv_t disp_drv;
     85 
     86 /* Display flushing */
     87 void my_disp_flush(lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p)
     88 {
     89   uint32_t w = (area->x2 - area->x1 + 1);
     90   uint32_t h = (area->y2 - area->y1 + 1);
     91 
     92 #if (LV_COLOR_16_SWAP != 0)
     93   gfx->draw16bitBeRGBBitmap(area->x1, area->y1, (uint16_t *)&color_p->full, w, h);
     94 #else
     95   gfx->draw16bitRGBBitmap(area->x1, area->y1, (uint16_t *)&color_p->full, w, h);
     96 #endif
     97 
     98   lv_disp_flush_ready(disp);
     99 }
    100 
    101 void my_touchpad_read(lv_indev_drv_t *indev_driver, lv_indev_data_t *data)
    102 {
    103   if (touch_has_signal())
    104   {
    105     if (touch_touched())
    106     {
    107       data->state = LV_INDEV_STATE_PR;
    108 
    109       /*Set the coordinates*/
    110       data->point.x = touch_last_x;
    111       data->point.y = touch_last_y;
    112     }
    113     else if (touch_released())
    114     {
    115       data->state = LV_INDEV_STATE_REL;
    116     }
    117   }
    118   else
    119   {
    120     data->state = LV_INDEV_STATE_REL;
    121   }
    122 }
    123 
    124 void setup()
    125 {
    126   Serial.begin(115200);
    127   // Serial.setDebugOutput(true);
    128   // while(!Serial);
    129   Serial.println("LVGL Widgets Demo");
    130 
    131 #ifdef GFX_EXTRA_PRE_INIT
    132   GFX_EXTRA_PRE_INIT();
    133 #endif
    134 
    135   // Init Display
    136   gfx->begin();
    137   gfx->fillScreen(BLACK);
    138 
    139 #ifdef GFX_BL
    140   pinMode(GFX_BL, OUTPUT);
    141   digitalWrite(GFX_BL, HIGH);
    142 #endif
    143 
    144   // Init touch device
    145   touch_init(gfx->width(), gfx->height(), gfx->getRotation());
    146 
    147   lv_init();
    148 
    149   screenWidth = gfx->width();
    150   screenHeight = gfx->height();
    151 #ifdef ESP32
    152   disp_draw_buf = (lv_color_t *)heap_caps_malloc(sizeof(lv_color_t) * screenWidth * 32, MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
    153 #else
    154   disp_draw_buf = (lv_color_t *)malloc(sizeof(lv_color_t) * screenWidth * 32);
    155 #endif
    156   if (!disp_draw_buf)
    157   {
    158     Serial.println("LVGL disp_draw_buf allocate failed!");
    159   }
    160   else
    161   {
    162     lv_disp_draw_buf_init(&draw_buf, disp_draw_buf, NULL, screenWidth * 32);
    163 
    164     /* Initialize the display */
    165     lv_disp_drv_init(&disp_drv);
    166     /* Change the following line to your display resolution */
    167     disp_drv.hor_res = screenWidth;
    168     disp_drv.ver_res = screenHeight;
    169     disp_drv.flush_cb = my_disp_flush;
    170     disp_drv.draw_buf = &draw_buf;
    171     lv_disp_drv_register(&disp_drv);
    172 
    173     /* Initialize the (dummy) input device driver */
    174     static lv_indev_drv_t indev_drv;
    175     lv_indev_drv_init(&indev_drv);
    176     indev_drv.type = LV_INDEV_TYPE_POINTER;
    177     indev_drv.read_cb = my_touchpad_read;
    178     lv_indev_drv_register(&indev_drv);
    179 
    180     lv_demo_widgets();
    181 
    182     Serial.println("Setup done");
    183   }
    184 }
    185 
    186 void loop()
    187 {
    188   lv_timer_handler(); /* let the GUI do its work */
    189   delay(5);
    190 }