DAP_SWO_ExtendedStatus (0x1E):

Reads extended information about the SWO trace status.

DAP_SWO_ExtendedStatus Request:

| BYTE | BYTE    |
> 0x1E | Control |
|******|*********|

Control:
- Bit 0: Trace Status (1 - request, 0 - inactive)
- Bit 1: Trace Count (1 - request, 0 - inactive)
- Bit 2: Index/Timestamp (1 - request, 0 - inactive)

DAP_SWO_ExtendStatus Response:

| BYTE | BYTE         | WORD        | WORD  | WORD         |
< 0x1E | Trace Status | Trace Count | Index | TD_TimeStamp |
|******|++++++++++++++|+++++++++++++|+++++++|++++++++++++++|

Trace Status:
- Bit 0: Trace Capture (1 - active, 0 - inactive)
- Bit 6: Trace Stream Error
- Bit 7: Trace Buffer Overrun
Trace Count: Number of bytes in Trace Buffer (not yet read)
Index: Sequence number of next trace information
TD_TimeStamp: Test Domain Timer value for trace sequence.