#define PanelHStart (PanelHSyncWidth+PanelHSyncBackPorch)
#define PanelVStart (PanelVSyncWidth+PanelVSyncBackPorch)
#define PanelWidth 480
#define PanelHeight 234
#define PanelHTotal 850
#define PanelVTotal 270
#define PanelMinHTotal 610
#define PanelDCLK 9.5
光看变量名有人知道各代表什么吗?以及作用是什么?