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main.c
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main.c
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#include "lvgl/lvgl.h"
#include "lvgl/demos/lv_demos.h"
#include <unistd.h>
#include <pthread.h>
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
static const char *getenv_default(const char *name, const char *dflt)
{
return getenv(name) ? : dflt;
}
#if LV_USE_LINUX_FBDEV
static void lv_linux_disp_init(void)
{
const char *device = getenv_default("LV_LINUX_FBDEV_DEVICE", "/dev/fb0");
lv_display_t * disp = lv_linux_fbdev_create();
lv_linux_fbdev_set_file(disp, device);
}
#elif LV_USE_LINUX_DRM
static void lv_linux_disp_init(void)
{
const char *device = getenv_default("LV_LINUX_DRM_CARD", "/dev/dri/card0");
lv_display_t * disp = lv_linux_drm_create();
lv_linux_drm_set_file(disp, device, -1);
}
#elif LV_USE_SDL
static void lv_linux_disp_init(void)
{
const int width = atoi(getenv("LV_SDL_VIDEO_WIDTH") ? : "800");
const int height = atoi(getenv("LV_SDL_VIDEO_HEIGHT") ? : "480");
lv_sdl_window_create(width, height);
}
#else
#error Unsupported configuration
#endif
int main(void)
{
lv_init();
/*Linux display device init*/
lv_linux_disp_init();
/*Create a Demo*/
lv_demo_widgets();
lv_demo_widgets_start_slideshow();
/*Handle LVGL tasks*/
while(1) {
lv_timer_handler();
usleep(5000);
}
return 0;
}