ConnectCore 8x SBC Pro. Developing Cortex-M4 from scratch

Embedded Devices Linux
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1

Hi.
Board: ConnectCore 8x SBC Pro.
I want to develop from scratch application for Cortex-M4.
What tool/IDE should be used?

Linux is already running.
Also Cortex-M4 example from SDK is running.

Best regards.

2

This is documented here:
https://www.digi.com/resources/documentation/digidocs/embedded/dey/3.0/cc8x/yocto_t_develop-cortex-m4-apps