Connect to Device and selected DAP mode.

The DAP_Connect Command initializes the DAP I/O pins for the specified DAP mode (JTAG or SWD). This command calls the function PORT_SWD_SETUP or PORT_JTAG_SETUP which prepares the connection to the Target Device.

DAP_Connect Command:

| BYTE | BYTE |
> 0x02 | Port |
|******|******|

Port: Selects the DAP port mode and configures the DAP I/O pins. The possible values are:
- 0 = Default mode: configuration of the DAP port mode is derived from DAP_DEFAULT_PORT (zero configuration).
- 1 = SWD mode: connect with Serial Wire Debug mode.
- 2 = JTAG mode: connect with 4/5-pin JTAG mode.

DAP_Connect Response:

| BYTE | BYTE |
< 0x02 | Port |
|******|******|

Port: DAP port mode initialized. The possible values are:
- 0 = initialization failed; no mode pre-configured.
- 1 = initialization for SWD mode.
- 2 = initialization for JTAG mode.