FrameBuffer颜色测试程序

Compile:

    cmake . && make

Usage:

./fbtest [option]

Options

    -h this message
    -m display mode
         0: auto display rgb
         1: press enter key to control increase range one(0x00-->0x01)
         2: press enter key to control increase range double(0x02-->0x04)
    -d switch play on fb1 or fb0
         default /dev/fb0