HSYNCS=B_0x0, HDES=B_0x0, VDES=B_0x0, VSYNCS=B_0x0
LTDC current display status register
| VDES | vertical data enable display status 0 (B_0x0): active low 1 (B_0x1): active high |
| HDES | horizontal data enable display status 0 (B_0x0): active low 1 (B_0x1): active high |
| VSYNCS | vertical synchronization display status 0 (B_0x0): active low 1 (B_0x1): active high |
| HSYNCS | horizontal synchronization display status 0 (B_0x0): active low 1 (B_0x1): active high |