3 gpioctl gpio1
6 set ser
4 gpioctl gpio1 ser
set in pd
5 gpioctl gpio1
2 set clkinh
6 gpioctl gpio1 clkinh
set out
7 gpioctl gpio1
13 set clk
8 gpioctl gpio1 clk
set out
9 gpioctl gpio1
15 set shld
10 gpioctl gpio1 shld
set out
11 gpioctl gpio0
27 set clr
12 gpioctl gpio0 clr
set out