Rearrange files structure and move some codes
Clean some unused comment
Define some IO action
change the routine more reasonable
Rearrange files structure and move some codes
Fatal ERROR!
Revert "change the routine more reasonable"

This reverts commit ce7375eb45878ef7b19d4e050304695714ef90cb.
Revert "Define some IO action"

This reverts commit c9fb2adefb701305434f4864165ebd7b2a0a3144.
Merge branch 'st_util_dbg' into new_control_board

Conflicts:
	program/test/mcu_periph/test_periph.c
Support printf
Merge branch 'new_control_board' of https://github.com/moon-bear/firmware into another_new_brach_for_ming_to_test

Conflicts:
	program/test/mcu_periph/test_periph.c
	program/test/mcu_periph/usart.c