DAP_SWO_Data (0x1C):

Reads the captured SWO trace data from Trace Buffer.

DAP_SWO_Data Request:

  BYTE | SHORT       |
> 0x1C | Trace Count |
 ******|*************|

Trace Count: Maxim number of Trace Data bytes to read

DAP_SWO_Data Response:

  BYTE | BYTE         | SHORT       | BYTE       |
< 0x1C | Trace Status | Trace Count | Trace Data |
 ******|**************|*************|////////////|

Trace Status:
- Bit 0: Trace Capture (1 - active, 0 - inactive)
- Bit 6: Trace Stream Error
- Bit 7: Trace Buffer Overrun
Trace Count: Number of Trace Data bytes read
Trace Data: Trace Data bytes read