--- /dev/null
+function channels_in = get_channels_in(ch_id)
+
+ if ch_id == 1
+ channels_in = [1];
+ elseif ch_id == 2
+ channels_in = [1 2];
+ elseif ch_id == 3
+ channels_in = [1 2 3];
+ elseif ch_id == 4
+ channels_in = [1 2 3 4];
+ elseif ch_id == 5
+ channels_in = [1 2 3 4 5 6 7 8];
+ end
+
+end
\ No newline at end of file
--- /dev/null
+function channels_out = get_channels_out(ch_id)
+
+ if ch_ind == 1
+ channels_out = [1];
+ elseif ch_ind == 2
+ channels_out = [1 2];
+ elseif ch_ind == 3
+ channels_out = [1 2 3];
+ elseif ch_ind == 4
+ channels_out = [1 2 3 4];
+ elseif ch_ind == 5
+ channels_out = [1 2 3 4 5 6 7 8];
+ end
+
+end
\ No newline at end of file