huhui/MC100 @ hall_sensor

huhui ee14387b97 add gd32 demo && add motor dir		4 anni fa
..
current.c	ee14387b97 add gd32 demo && add motor dir	4 anni fa
current.h	ee14387b97 add gd32 demo && add motor dir	4 anni fa
hall.c	ee14387b97 add gd32 demo && add motor dir	4 anni fa
hall.h	ee14387b97 add gd32 demo && add motor dir	4 anni fa
motor.c	ee14387b97 add gd32 demo && add motor dir	4 anni fa
motor.h	ee14387b97 add gd32 demo && add motor dir	4 anni fa
ntc.c	ee14387b97 add gd32 demo && add motor dir	4 anni fa
ntc.h	ee14387b97 add gd32 demo && add motor dir	4 anni fa