Req. 1.2.4.0: "Selection of Science Data Patterns"

The pattern shall be selected by command from the spacecraft. The patterns are defined as hexadecimal values as follows: a) '0xA5' pattern b) '0x5A' pattern c) Walking 1's pattern (0x01, 0x02, 0x04, ..., 0x80000000) d) Counting pattern (0, 1, 2, ..., 65535) e) Random data pattern f) Transition pattern (111111...100000...0), i.e., a long sequence of static data followed by an abrupt transition to logically opposite data.

Context (help)

Test(s)

6a: Test Cmds to Initialize Patterns on the SciDataIF

This test shall demonstrate that the Spacecraft can send up to five science data pattern initialization parameters (defined in one or more commands), and that the ISIS can process these patterns to produce the CCSDS-wrapped science data patterns required by the SC-LAT ICD. These science data packets will carry an APID in the specified range of science data.