Hi Team,
i updated LVGL version to 7.0+ and build success with out any errors and warnings.
when try to run the code in my board i have not seen any GUI on my board.
version 6 code working fine on my board. should i do any changes ?
i am attaching main.c file
main.c
#include "lvgl/lvgl.h"
#include "lv_drivers/display/fbdev.h"
#include "lv_drivers/indev/evdev.h"
#include "lv_examples/src/lv_demo_printer/lv_demo_printer.h"
#include <unistd.h>
#include <pthread.h>
#include <time.h>
#include <sys/time.h>
#include "lv_drivers/indev/mouse.h"
#include "lv_drivers/indev/mousewheel.h"
#include "lv_drivers/indev/keyboard.h"
#define DISP_BUF_SIZE (LV_HOR_RES_MAX)
int main(void)
{
/*LittlevGL init*/
lv_init();
/*Linux frame buffer device init*/
fbdev_init();
evdev_init();
/*A small buffer for LittlevGL to draw the screen's content*/
static lv_color_t buf[DISP_BUF_SIZE];
/*Initialize a descriptor for the buffer*/
static lv_disp_buf_t disp_buf;
lv_disp_buf_init(&disp_buf, buf, NULL, DISP_BUF_SIZE);
/*Initialize and register a display driver*/
lv_disp_drv_t disp_drv;
lv_disp_drv_init(&disp_drv);
disp_drv.buffer = &disp_buf;
disp_drv.flush_cb = fbdev_flush;
lv_disp_drv_register(&disp_drv);
lv_indev_drv_t indev_drv;
lv_indev_drv_init(&indev_drv);
indev_drv.type = LV_INDEV_TYPE_POINTER;
indev_drv.read_cb = evdev_read;
// lv_indev_t * mouse_indev = lv_indev_drv_register(&indev_drv);
/*LV_IMG_DECLARE(mouse_cursor_icon);
lv_obj_t * cursor_obj = lv_img_create(lv_disp_get_scr_act(NULL), NULL);
lv_img_set_src(cursor_obj, &mouse_cursor_icon);
lv_indev_set_cursor(mouse_indev, cursor_obj);*/
void lv_demo_printer(void);
/*Create a Demo*/
lv_demo_printer();
/*Handle LitlevGL tasks (tickless mode)*/
while(1) {
lv_task_handler();
usleep(5000);
}
return 0;
}
/*Set in lv_conf.h as `LV_TICK_CUSTOM_SYS_TIME_EXPR`*/
uint32_t custom_tick_get(void)
{
static uint64_t start_ms = 0;
if(start_ms == 0) {
struct timeval tv_start;
gettimeofday(&tv_start, NULL);
start_ms = (tv_start.tv_sec * 1000000 + tv_start.tv_usec) / 1000;
}
struct timeval tv_now;
gettimeofday(&tv_now, NULL);
uint64_t now_ms;
now_ms = (tv_now.tv_sec * 1000000 + tv_now.tv_usec) / 1000;
uint32_t time_ms = now_ms - start_ms;
return time_ms;
}
Output on Board:
Thanks in Advance.