84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
#include "lvgl/lvgl.h"
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#include "lvgl/demos/lv_demos.h"
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// #include "lvgl/demos/widgets/lv_demo_widgets.h"
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#include "lv_drivers/display/fbdev.h"
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#include "lv_drivers/indev/evdev.h"
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#include <unistd.h>
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#include <pthread.h>
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#include <time.h>
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#include <sys/time.h>
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#define DISP_BUF_SIZE (240 * 360)
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int main(void)
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{
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/*LittlevGL init*/
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lv_init();
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/*Linux frame buffer device init*/
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fbdev_init();
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/*A small buffer for LittlevGL to draw the screen's content*/
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static lv_color_t buf[DISP_BUF_SIZE];
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/*Initialize a descriptor for the buffer*/
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static lv_disp_draw_buf_t disp_buf;
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lv_disp_draw_buf_init(&disp_buf, buf, NULL, DISP_BUF_SIZE);
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/*Initialize and register a display driver*/
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static lv_disp_drv_t disp_drv;
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lv_disp_drv_init(&disp_drv);
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disp_drv.draw_buf = &disp_buf;
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disp_drv.flush_cb = fbdev_flush;
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disp_drv.hor_res = 240;
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disp_drv.ver_res = 360;
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lv_disp_drv_register(&disp_drv);
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// evdev_init();
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// static lv_indev_drv_t indev_drv_1;
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// lv_indev_drv_init(&indev_drv_1); /*Basic initialization*/
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// indev_drv_1.type = LV_INDEV_TYPE_POINTER;
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// /*This function will be called periodically (by the library) to get the mouse position and state*/
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// indev_drv_1.read_cb = evdev_read;
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// lv_indev_t *mouse_indev = lv_indev_drv_register(&indev_drv_1);
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// /*Set a cursor for the mouse*/
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// LV_IMG_DECLARE(mouse_cursor_icon)
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// lv_obj_t * cursor_obj = lv_img_create(lv_scr_act()); /*Create an image object for the cursor */
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// lv_img_set_src(cursor_obj, &mouse_cursor_icon); /*Set the image source*/
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// lv_indev_set_cursor(mouse_indev, cursor_obj); /*Connect the image object to the driver*/
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/*Create a Demo*/
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lv_demo_widgets();
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/*Handle LitlevGL tasks (tickless mode)*/
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while(1) {
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lv_timer_handler();
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usleep(5000);
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}
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return 0;
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}
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/*Set in lv_conf.h as `LV_TICK_CUSTOM_SYS_TIME_EXPR`*/
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uint32_t custom_tick_get(void)
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{
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static uint64_t start_ms = 0;
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if(start_ms == 0) {
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struct timeval tv_start;
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gettimeofday(&tv_start, NULL);
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start_ms = (tv_start.tv_sec * 1000000 + tv_start.tv_usec) / 1000;
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}
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struct timeval tv_now;
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gettimeofday(&tv_now, NULL);
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uint64_t now_ms;
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now_ms = (tv_now.tv_sec * 1000000 + tv_now.tv_usec) / 1000;
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uint32_t time_ms = now_ms - start_ms;
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return time_ms;
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}
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