说明：  TFT_LCD屏的驱动,它是由凌阳公司的芯片SPG290来驱动的,希望这个源代码对正在找TFT_LCD驱动的朋友有点帮助
(TFT_LCD screen-driven, it is the company s chip from Sunplus SPG290 to drive, and hope that the source code of TFT_LCD drivers who are looking for a friend a little help)