source: mainline/uspace/srv/hid/output/ctl/serial.c

Last change on this file was d31c3ea, checked in by Jiri Svoboda <jiri@…>, 10 months ago

Group vt callbacks into a callback structure

  • Property mode set to 100644
File size: 4.9 KB
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[7c014d1]1/*
[d3109ff]2 * Copyright (c) 2024 Jiri Svoboda
[7c014d1]3 * Copyright (c) 2006 Ondrej Palkovsky
4 * Copyright (c) 2008 Martin Decky
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * - Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * - Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * - The name of the author may not be used to endorse or promote products
17 * derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
[4122410]31/** @addtogroup output
[6d5e378]32 * @{
33 */
34/**
35 * @file
[7c014d1]36 */
37
38#include <errno.h>
[6d5e378]39#include <io/chargrid.h>
[d3109ff]40#include <vt/vt100.h>
[6d5e378]41#include "../output.h"
[7c014d1]42#include "serial.h"
43
[6d5e378]44#define SERIAL_COLS 80
45#define SERIAL_ROWS 24
46
[d31c3ea]47static serial_putuchar_t serial_putuchar_fn;
48static serial_control_puts_t serial_control_puts_fn;
49static serial_flush_t serial_flush_fn;
50
51static void serial_vt_putuchar(void *, char32_t);
52static void serial_vt_control_puts(void *, const char *);
53static void serial_vt_flush(void *);
54
55static vt100_cb_t serial_vt_cb = {
56 .putuchar = serial_vt_putuchar,
57 .control_puts = serial_vt_control_puts,
58 .flush = serial_vt_flush
59};
60
[6d5e378]61/** Draw the character at the specified position.
[7c014d1]62 *
63 * @param state VT100 protocol state.
[6d5e378]64 * @param field Character field.
65 * @param col Horizontal screen position.
66 * @param row Vertical screen position.
[7c014d1]67 *
68 */
[357d9dd]69static void draw_char(vt100_t *state, charfield_t *field,
[6d5e378]70 sysarg_t col, sysarg_t row)
[7c014d1]71{
[6d5e378]72 vt100_goto(state, col, row);
[7c014d1]73 vt100_set_attr(state, field->attrs);
[28a5ebd]74 vt100_putuchar(state, field->ch);
[7c014d1]75}
76
[b7fd2a0]77static errno_t serial_yield(outdev_t *dev)
[7c014d1]78{
[357d9dd]79 vt100_t *state = (vt100_t *) dev->data;
[a35b458]80
[7c014d1]81 return vt100_yield(state);
82}
83
[b7fd2a0]84static errno_t serial_claim(outdev_t *dev)
[7c014d1]85{
[357d9dd]86 vt100_t *state = (vt100_t *) dev->data;
[a35b458]87
[6d5e378]88 return vt100_claim(state);
[7c014d1]89}
90
[6d5e378]91static void serial_get_dimensions(outdev_t *dev, sysarg_t *cols,
92 sysarg_t *rows)
[7c014d1]93{
[357d9dd]94 vt100_t *state = (vt100_t *) dev->data;
[a35b458]95
[6d5e378]96 vt100_get_dimensions(state, cols, rows);
[7c014d1]97}
98
[6d5e378]99static console_caps_t serial_get_caps(outdev_t *dev)
[7c014d1]100{
[09f41d3]101 return (CONSOLE_CAP_CURSORCTL | CONSOLE_CAP_STYLE |
102 CONSOLE_CAP_INDEXED | CONSOLE_CAP_RGB);
[7c014d1]103}
104
[6d5e378]105static void serial_cursor_update(outdev_t *dev, sysarg_t prev_col,
106 sysarg_t prev_row, sysarg_t col, sysarg_t row, bool visible)
[7c014d1]107{
[357d9dd]108 vt100_t *state = (vt100_t *) dev->data;
[a35b458]109
[6d5e378]110 vt100_goto(state, col, row);
[7c014d1]111 vt100_cursor_visibility(state, visible);
112}
113
[6d5e378]114static void serial_char_update(outdev_t *dev, sysarg_t col, sysarg_t row)
[7c014d1]115{
[357d9dd]116 vt100_t *state = (vt100_t *) dev->data;
[6d5e378]117 charfield_t *field =
118 chargrid_charfield_at(dev->backbuf, col, row);
[a35b458]119
[6d5e378]120 draw_char(state, field, col, row);
[7c014d1]121}
122
[bbc6277]123static void serial_flush(outdev_t *dev)
124{
[357d9dd]125 vt100_t *state = (vt100_t *) dev->data;
[bbc6277]126
127 vt100_flush(state);
128}
129
[6d5e378]130static outdev_ops_t serial_ops = {
[7c014d1]131 .yield = serial_yield,
132 .claim = serial_claim,
[6d5e378]133 .get_dimensions = serial_get_dimensions,
134 .get_caps = serial_get_caps,
135 .cursor_update = serial_cursor_update,
[bbc6277]136 .char_update = serial_char_update,
137 .flush = serial_flush
[7c014d1]138};
139
[d31c3ea]140errno_t serial_init(serial_putuchar_t putuchar_fn,
141 serial_control_puts_t control_puts_fn, serial_flush_t flush_fn)
[7c014d1]142{
[d3109ff]143 char_attrs_t attrs;
[d31c3ea]144 vt100_t *vt100;
145
146 serial_putuchar_fn = putuchar_fn;
147 serial_control_puts_fn = control_puts_fn;
148 serial_flush_fn = flush_fn;
149
150 vt100 = vt100_create(NULL, SERIAL_COLS, SERIAL_ROWS, &serial_vt_cb);
[357d9dd]151 if (vt100 == NULL)
[7c014d1]152 return ENOMEM;
[357d9dd]153 vt100->enable_rgb = true;
[d3109ff]154
[357d9dd]155 vt100_cursor_visibility(vt100, false);
[d3109ff]156 attrs.type = CHAR_ATTR_STYLE;
157 attrs.val.style = STYLE_NORMAL;
[357d9dd]158 vt100_set_attr(vt100, attrs);
159 vt100_cls(vt100);
[a35b458]160
[357d9dd]161 outdev_t *dev = outdev_register(&serial_ops, vt100);
[6d5e378]162 if (dev == NULL) {
[357d9dd]163 vt100_destroy(vt100);
[6d5e378]164 return ENOMEM;
165 }
[a35b458]166
[7c014d1]167 return EOK;
168}
169
[d31c3ea]170static void serial_vt_putuchar(void *arg, char32_t c)
171{
172 (void)arg;
173 serial_putuchar_fn(c);
174}
175
176static void serial_vt_control_puts(void *arg, const char *str)
177{
178 (void)arg;
179 serial_control_puts_fn(str);
180}
181
182static void serial_vt_flush(void *arg)
183{
184 (void)arg;
185 serial_flush_fn();
186}
187
[7c014d1]188/** @}
189 */
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