Answer: Keep sending command with time/GPS input, Viewlink protocol command “55 AA DC 11 30 00 01 00 3F FC 00 00 00 00 04 D0 00 00 00 37″ to take photos with time or GPS attributes.
For example:
Send:F9 FB E3 07 0A 0B 0C 0D 13 15 F0 6C 3C B7 FD 84 3C 62 C9 91 40 0E 3F 57 17 59 B4 F7 45 00 00 00 00 40
Receive:FE FC E3 07 0A 0B 0C 0D 13 00 00 00 00 00 00 DB 0F C9 B9 6A D9 2E 40 00 00 A0 40 15 F0 6C 3C B7 FD 84 3C 62 C9 91 40 00 00 00 00 3D A3 64 88 E7 DE E5 3F A6 22 7C 04 E4 63 00 40 14 EF 62 6A E8 DE E5 3F 18 44 23 77 E4 63 00 40 F9
Expatiation:
E3 07 0A 0B:2019.10.11
0B 0C 0D:12:13:19
0E 3F 57 17:int32 0x17573F0E:39.1593742° –>39°09”33.75’
0.1593742*60=9.562452–>0.562452*60=33.74712
00 00 A0 40: float big endian 0x40A00000–》5m