lcd测试程序，默认打开fb0，并用不同颜色刷屏，分辨率是800*480-lcd test program, the default open fb0, with different colors scraper. Resolution is 800* 480

液晶显示屏的刷屏的测试的基本代码，也可以在这个的基础上修改进行温度采集的显示-LCD screen scraper basic code testing can also be modified on the basis of this acquisition shows the temperature