The uart_polling example shows how to use uart driver in polling way:In this example, one uart instance connect to PC through uart, the board will send back all characters that PCsend to the board.

The uart_polling example shows how to use uart driver in polling way:In this example, one uart instance connect to PC through uart, the board will send back all characters that PCsend to the board.

The usart_wakeup_deepsleep example shows how to use usart driver in 32kHz clocking mode to wake up soc from deep sleep. In this example, one usart instance connect to PC, the board will enter deep sleep mode and wake up according to user input.

The usart_wakeup_deepsleep example shows how to use usart driver in 32kHz clocking mode to wake up soc from deep sleep. In this example, one usart instance connect to PC, the board will enter deep sleep mode and wake up according to user input.

The usbx_device_audio_loopback example.

The usbx_device_audio_loopback example.

The usbx_device_cdc_acm example.

The usbx_device_cdc_acm example.

The usbx_device_composite_cdc_acm_cdc_acm example.

The usbx_device_composite_cdc_acm_cdc_acm example.