CrowPanel Advance 5: Setup Dev Environment on Windows

#define LCD_H_RES 800
#define LCD_V_RES 480
#include "LovyanGFX_Driver.h"

#include <Arduino.h>
#include <lvgl.h>
#include <Wire.h>
#include <SPI.h>

#include <stdbool.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_GFX.h>

#include "ui.h"

/* Expand IO */
#include <TCA9534.h>
TCA9534 ioex;

LGFX gfx;

/* Change to your screen resolution */
static lv_disp_draw_buf_t draw_buf;
static lv_color_t *buf;
static lv_color_t *buf1;

uint16_t touch_x, touch_y;

//  Display refresh
void my_disp_flush(lv_disp_drv_t *disp, const lv_area_t *area, lv_color_t *color_p)
{
    if (gfx.getStartCount() > 0)
    {
        gfx.endWrite();
    }
    gfx.pushImageDMA(area->x1, area->y1, area->x2 - area->x1 + 1, area->y2 - area->y1 + 1, (lgfx::rgb565_t *)&color_p->full);

    lv_disp_flush_ready(disp); //	Tell lvgl that the refresh is complete
}

//  Read touch
void my_touchpad_read(lv_indev_drv_t *indev_driver, lv_indev_data_t *data)
{
    data->state = LV_INDEV_STATE_REL; // The state of data existence when releasing the finger
    bool touched = gfx.getTouch(&touch_x, &touch_y);
    if (touched)
    {
        data->state = LV_INDEV_STATE_PR;

        //  Set coordinates
        data->point.x = touch_x;
        data->point.y = touch_y;
    }
}

void setup()
{
    Serial.begin(115200);

    pinMode(19, OUTPUT);

    Wire.begin(15, 16);
    delay(50);

    ioex.attach(Wire);
    ioex.setDeviceAddress(0x18);
    ioex.config(1, TCA9534::Config::OUT);
    ioex.config(2, TCA9534::Config::OUT);
    ioex.config(3, TCA9534::Config::OUT);
    ioex.config(4, TCA9534::Config::OUT);

    /* Turn on backlight*/
    ioex.output(1, TCA9534::Level::H);

    // GT911 power on timing ->Select 0x5D
    pinMode(1, OUTPUT);
    digitalWrite(1, LOW);
    ioex.output(2, TCA9534::Level::L);
    delay(20);
    ioex.output(2, TCA9534::Level::H);
    delay(100);
    pinMode(1, INPUT);
    /*end*/

    // Init Display
    gfx.init();
    gfx.initDMA();
    gfx.startWrite();
    gfx.fillScreen(TFT_BLACK);

    lv_init();
    size_t buffer_size = sizeof(lv_color_t) * LCD_H_RES * LCD_V_RES;
    buf = (lv_color_t *)heap_caps_malloc(buffer_size, MALLOC_CAP_SPIRAM);
    buf1 = (lv_color_t *)heap_caps_malloc(buffer_size, MALLOC_CAP_SPIRAM);

    lv_disp_draw_buf_init(&draw_buf, buf, buf1, LCD_H_RES * LCD_V_RES);

    // Initialize display
    static lv_disp_drv_t disp_drv;
    lv_disp_drv_init(&disp_drv);
    // Change the following lines to your display resolution
    disp_drv.hor_res = LCD_H_RES;
    disp_drv.ver_res = LCD_V_RES;
    disp_drv.flush_cb = my_disp_flush;
    disp_drv.draw_buf = &draw_buf;
    lv_disp_drv_register(&disp_drv);

    // Initialize input device driver program
    static lv_indev_drv_t indev_drv;
    lv_indev_drv_init(&indev_drv);
    indev_drv.type = LV_INDEV_TYPE_POINTER;
    indev_drv.read_cb = my_touchpad_read;
    lv_indev_drv_register(&indev_drv);

    delay(100);

    gfx.fillScreen(TFT_BLACK);
    ui_init();

    Serial.println("Setup done");
}

void loop()
{
    lv_timer_handler(); /* let the GUI do its work */
    delay(1);
}