使用方法：

1.将U8glib.zip放到arduino库目录下解压
2.打开U8gLogo.ino程序


接线方式：
   六针SPI Com: SCK = 13, MOSI = 11, CS = 10, DC = 9
   七针SPI Com: SCK = 13, MOSI = 11, CS = 10, DC = 9  RES=RESTE