I had the same problem
the issue was with this line
static lv_color_t buf[ screenWidth * screenHeight * 10 ];
I had to change it to
static lv_color_t buf[ screenWidth * screenHeight / 10 ];
then everything compiled correctly
I had the same problem
the issue was with this line
static lv_color_t buf[ screenWidth * screenHeight * 10 ];
I had to change it to
static lv_color_t buf[ screenWidth * screenHeight / 10 ];
then everything compiled correctly