Frequency counter status
| PASS | Test passed |
| DONE | Test complete |
| RUNNING | Test running |
| WAITING | Waiting for test clock to start |
| FAIL | Test failed |
| SLOW | Test clock slower than expected, only valid when status_done=1 |
| FAST | Test clock faster than expected, only valid when status_done=1 |
| DIED | Test clock stopped during test |