If I set
define USE_FBDEV 1
and
define USE_BSD_FBDEV 0
in lv_drv_conf.h,
the function
if (ioctl(fbfd, FBIOBLANK, FB_BLANK_UNBLANK) != 0)
in function fbdev_init in fbdev.c will give a error as
ioctl(FBIOBLANK): Invalid argument
because FBIOBLANK will not be defined.
if USE_BSD_FBDEV
define FBIOBLANK FBIO_BLANK
endif / USE_BSD_FBDEV /
delete this function
if (ioctl(fbfd, FBIOBLANK, FB_BLANK_UNBLANK) != 0)
and the demo given in lv_port_linux_frame_buffer will run ok.
If I set define USE_FBDEV 1 and define USE_BSD_FBDEV 0 in lv_drv_conf.h,
the function if (ioctl(fbfd, FBIOBLANK, FB_BLANK_UNBLANK) != 0) in function fbdev_init in fbdev.c will give a error as ioctl(FBIOBLANK): Invalid argument
because FBIOBLANK will not be defined.
if USE_BSD_FBDEV
define FBIOBLANK FBIO_BLANK
endif / USE_BSD_FBDEV /
delete this function if (ioctl(fbfd, FBIOBLANK, FB_BLANK_UNBLANK) != 0) and the demo given in lv_port_linux_frame_buffer will run ok.