void ks0108_setup_begin(KS0108_DRIVER_t *self, int controller_count);
ks0108_setup_begin start the set up the driver self as an array of controller_count KS0108 controllers that make up the display module. The number of controllers specified by controller_count must be be in the range 1 to 3.
After initialization, the client is responsible for setting up the methods set_controls and controller_selects before calling ks0108_setup_end.