.. SPDX-License-Identifier: Apache-2.0 .. Copyright 2022 Martin Schröder Consulting: https://swedishembedded.com/go Training: https://swedishembedded.com/tag/training Testing ******* This board does support a testbench. This testbench supports simulated mcp23s17 peripheral connected to the board. You can run the testbench example as follows: .. code-block:: console west build -p -b custom_board samples/drivers/gpio/mcp23s17 -t testbench Then point your browser to localhost:8000 to view the testbench interface. .. image:: ../../../../../../../boards/arm/custom_board/doc/img/testbench.jpg To interact with the USART use "uart_connect sybus.usart2" in the monitor window.