UFO Camera Data Format

• Consist of Header (256 bits), Payload data (size vary on the number of lines, size per line is 1408 bits) and Tail (256 bits).

Header data

• Current header structure consist of following eight 32-bit words:
  • Header [255:224] : 0x51111111
  • Header [223:192] : 0x52222222
  • Header [191:160] : 0x53333333
  • Header [159:128] : 0x54444444
  • Header [127:96] : 0x55555555
  • Header [95:92] : 0x5, Header [91:82]: starting line, Header [81:75]: number of skipped lines, Header [74:64]: number of lines in frame
  • Header [63:60] : 0x5, Header [59:56]: version number, now is 0x4, Header [55:32]: number of frames
  • Header [31:24] : 0x50, Header [23:0] : timestamp

Payload data

• Payload data per row consist of the 32-bit Row Header, followed by the 42 32-bit words of the Row data, and final 32-bit Row Data Tail

• Structure of the ROW data header:
  • Row Header [3:0] : Channel number (from 0 to 15)
  • Row Header [14:4] : Row number (from 0 to 1087)
  • Row Header [15] : 0
  • Row Header [19:16] : Pixel size, now is 0xA (10)
  • Row Header [27:20] : Number of pixels in row
  • Row Header [29:28] : 0x0
  • Row Header [31:30] : 0x2

• Structure of the Row data 32-bit word:
  • Row Data [29:0] : three pixels of 10-bit size
  • Row Data [31:30] : 0x3

• Structure of the Row Data Tail 32-bit word:
  • Row Tail [9:0] : 0x55
  • Row Tail [29:0] : two pixels of 10-bit size
  • Row Tail [31:30] : 0x3

Tail data

• Tail contains system status information. It consists of the following eight 32-bit words:

• Tail [255:224] : 0x0AAAAAAA
• Tail [223:192] : 0x0BBBBBBB
• Tail [191:160] : status1
• Tail [159:128] : status2
• Tail [127:96] : status3
• Tail [127:96] : status3
• Tail [95:64] : 0x0FFFFFFF
• Tail [63:32] : 0x00000000
• Tail [31:0] : 0x01111111