Synopsis

typedef struct {
  CTL_GFX_DRIVER_t core;
  void (*set_controls)(KS0108_DRIVER_s *, unsigned);
  int (*controller_selects)(KS0108_DRIVER_s *, unsigned);
  unsigned short __controls;
  unsigned char __shadow[];
  volatile unsigned __dirty;
  int __controllers;
} KS0108_DRIVER_t;

Description

KS0108_DRIVER_t contains the instance data for the KS0108 graphics driver.

core

The core graphics driver.

set_controls

Method to set the control state of the emulated bus.

controller_selects

Method to get the chip select states for logical display #index. Displays are numbered left to right with increasing index, with display

__controls

Private member containing the current control signal state.

__shadow

Private member containing the current bitmapped display state.

__dirty

Private member indicating when the shadow contents differ from the display contents (and therefore require flushing to the display). One bit per controller.

__controllers

Private member indicating the number of KS0108 display controllers in the display module. Up to three KS0108 controllers can be ganged together to provide a 192×64 display.