Credits: Andreas Seltenreich

Connect the following pins on PI3 to respective Olimex hx8k pins:

RPI3            ICE40-Olimex-hx8k
17                  1
18                  6
19                  8
20                  2
21                  7
22                  5(optional)
23                  9
24                  10
25                  -
26                  -

1. Make all the files executables
2. Use setup_write on initially connecting pins and powering up hx8k board.
3. Use read_bit.sh and write_bit.sh according to your needs.