Laird Connectivity is now Ezurio/filters:background_color(white)/2024-10/LYRA-P and LYRA-S render.380.png)
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Answer
Yes. It is possible to enable and disable UART hardware flow control on your Lyra development board through Simplicity Studio 5 by modifying the Virtual COM Port (VCOM) settings. This for example can be helpful in cases where you would like to perform reference tests with or without having UART hardware flow control in place.
In Simplicity Studio 5 go to the Launcher page in the Debug Adapters view and right click on your Ezurio (formerly Laird Connectivity) | Lyra Development Kit (ID:XXXXXXXXX). Select Launch Console and open the Admin tab. Now type "serial vcom config handshake rtscts" to enable or "serial vcom config handshake disable" for disabling UART hardware flow control.
Please make sure to reset or power cycle your Lyra development board once the settings have been applied. The default settings can be restored with the "serial vcom config handshake auto" command at any time.