Spee up usart2 with dma
Enable timer for counting
FIXME:have problem in timer resolution
Enable some optimization and warning
Fix the core clock issue(Maybe)
Merge branch 'new_control_board' of https://github.com/moon-bear/firmware into another_new_brach_for_ming_to_test

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