@ -27,11 +27,19 @@ void display_refresh(void)
int display_orientation(int degrees)
{
if (degrees != ORIENTATION) {
if (degrees == 0 || degrees == 90 || degrees == 180 || degrees == 270) {
ORIENTATION = degrees;
}
return ORIENTATION;
int display_backlight(int val)
if (BACKLIGHT != val && val >= 0 && val <= 255) {
BACKLIGHT = val;
return BACKLIGHT;