half-granrew's algorythm r_mode switch(magic_speed)

Conflicts:

	test/srv_emulate_2.sh
Revert "reduced max select time to 200ms"

This reverts commit 4a9a56074d04954e828471bb46be0b4c782a4a1a.
select time is 200ms when hold_mode 0 and 10ms when 1