Use $ make PROJECT=<app> to make <app> project. All project directory locate in /workspace/src/<app>/. There is some macros can pass to make:

• DEVICE: device type

• OSC: osc value

• CFLAGS: CC flags

• LDFLAGS: ld flags

• CROSS: cross-toolchain prefix

$ make PROJECT=<app> clean to clean project object files.

$ make distclean to clean stm32 library object files.