1.1 --- a/include/vga_display_cpu.h Fri Nov 02 02:15:09 2018 +0100
1.2 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
1.3 @@ -1,95 +0,0 @@
1.4 -/*
1.5 - * VGA display-related functions.
1.6 - *
1.7 - * Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk>
1.8 - *
1.9 - * This program is free software: you can redistribute it and/or modify
1.10 - * it under the terms of the GNU General Public License as published by
1.11 - * the Free Software Foundation, either version 3 of the License, or
1.12 - * (at your option) any later version.
1.13 - *
1.14 - * This program is distributed in the hope that it will be useful,
1.15 - * but WITHOUT ANY WARRANTY; without even the implied warranty of
1.16 - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1.17 - * GNU General Public License for more details.
1.18 - *
1.19 - * You should have received a copy of the GNU General Public License
1.20 - * along with this program. If not, see <http://www.gnu.org/licenses/>.
1.21 - */
1.22 -
1.23 -#ifndef __VGA_DISPLAY_CPU_H__
1.24 -#define __VGA_DISPLAY_CPU_H__
1.25 -
1.26 -#include "pic32_c.h"
1.27 -#include "display.h"
1.28 -
1.29 -
1.30 -
1.31 -/* Display configuration type. */
1.32 -
1.33 -typedef struct
1.34 -{
1.35 - /* Current display state handler. */
1.36 -
1.37 - void (*state_handler)();
1.38 -
1.39 - /* Transfer properties. */
1.40 -
1.41 - int line_timer;
1.42 - uint32_t output;
1.43 -
1.44 - /* Horizontal and vertical sync peripherals. */
1.45 -
1.46 - int hsync_unit, vsync_unit;
1.47 -
1.48 - /* Current scanline. */
1.49 -
1.50 - uint32_t line;
1.51 -
1.52 - /* Pointers to pixel lines. */
1.53 -
1.54 - uint8_t *linedata;
1.55 -
1.56 - /* General display configuration. */
1.57 -
1.58 - display_config_t *display_config;
1.59 -
1.60 -} vga_display_t;
1.61 -
1.62 -
1.63 -
1.64 -/* Initialisation. */
1.65 -
1.66 -void init_vga(display_config_t *display_config, int line_timer);
1.67 -
1.68 -void init_vga_with_timer(display_config_t *display_config, int line_timer);
1.69 -
1.70 -void vga_configure_sync(int hsync_unit, int vsync_unit);
1.71 -
1.72 -void vga_configure_transfer(uint32_t output);
1.73 -
1.74 -/* Interrupt handlers. */
1.75 -
1.76 -void vga_interrupt_handler(void);
1.77 -void vga_transfer_interrupt_handler(void);
1.78 -
1.79 -/* Display state handlers. */
1.80 -
1.81 -void vbp_active(void);
1.82 -void visible_active(void);
1.83 -void vfp_active(void);
1.84 -void vsync_active(void);
1.85 -
1.86 -/* Display operations. */
1.87 -
1.88 -void start_visible(void);
1.89 -void update_visible(void);
1.90 -void stop_visible(void);
1.91 -void update_transfers(int enable);
1.92 -
1.93 -/* Vertical sync operations. */
1.94 -
1.95 -void vsync_high(void);
1.96 -void vsync_low(void);
1.97 -
1.98 -#endif /* __VGA_DISPLAY_CPU_H__ */