...
1. Run ‘make config’
Get latest code source files of SP7021 from git server of SP7021 (2. HOW TO GET SOURCE FILE AND PACKAGE) and run make config command on top folder. After configuration menu pops up, first, choose board you want to build image for. For example, press 3 for SP7021 Demo Board (V3). Second, press 1 for selecting C-chip. Finally, press 4 and then enter to start to configure building environment. Refer to screenshot below,
...