CMSIS-DAP: DAP_Connect

| CMSIS-DAP Version 1.1.0 Interface Firmware for CoreSight Debug Access Port

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DAP_Connect
General Commands

Connect to Device and selected DAP mode. More...

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.