huhui/bms

Autor	SHA1 Mensaxe	Data
huhui	60f5b3ca38 1. change delay_us when enable delay ticks, use delay ticks	%!s(int64=4) %!d(string=hai) anos
huhui	602d57fbc4 修复delay_us差太多的问题	%!s(int64=4) %!d(string=hai) anos
huhui	a701a17071 add clock.c to get ahb, apb1, apb2, adc1, timer's frequnce	%!s(int64=5) %!d(string=hai) anos