source: mainline/uspace/app/barber/barber.c@ a047aaa

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since a047aaa was a047aaa, checked in by Martin Decky <martin@…>, 11 years ago

barber: visual liveness indicator (using the barber pole animation and blink(1) LEDs)
refactor the LED support from vlaunch into barber
  • Property mode set to 100644
File size: 7.3 KB
Line 
1/*
2 * Copyright (c) 2014 Martin Decky
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * - Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * - Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * - The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/** @addtogroup barber
30 * @{
31 */
32/** @file
33 */
34
35#include <unistd.h>
36#include <stdbool.h>
37#include <errno.h>
38#include <stdio.h>
39#include <malloc.h>
40#include <task.h>
41#include <loc.h>
42#include <fibril_synch.h>
43#include <io/pixel.h>
44#include <device/led_dev.h>
45#include <window.h>
46#include <canvas.h>
47#include <surface.h>
48#include <codec/tga.gz.h>
49#include "images.h"
50
51#define NAME "barber"
52
53#define FRAMES 30
54
55#define FRAME_WIDTH 59
56#define FRAME_HEIGHT 192
57
58#define PERIOD 1000000
59#define COLORS 7
60
61static char *winreg = NULL;
62static fibril_timer_t *timer = NULL;
63static list_t led_devs;
64
65static canvas_t *frame_canvas;
66static surface_t *frames[FRAMES];
67
68static pixel_t colors[COLORS] = {
69 PIXEL(0xff, 0xff, 0x00, 0x00),
70 PIXEL(0xff, 0x00, 0xff, 0x00),
71 PIXEL(0xff, 0x00, 0x00, 0xff),
72 PIXEL(0xff, 0xff, 0xff, 0x00),
73 PIXEL(0xff, 0xff, 0x00, 0xff),
74 PIXEL(0xff, 0x00, 0xff, 0xff),
75 PIXEL(0xff, 0xff, 0xff, 0xff)
76};
77
78static unsigned int frame = 0;
79static unsigned int color = 0;
80
81typedef struct {
82 link_t link;
83 service_id_t svc_id;
84 async_sess_t *sess;
85} led_dev_t;
86
87static void timer_callback(void *data)
88{
89 pixel_t next_color = colors[color];
90
91 color++;
92 if (color >= COLORS)
93 color = 0;
94
95 list_foreach(led_devs, link, led_dev_t, dev) {
96 if (dev->sess)
97 led_dev_color_set(dev->sess, next_color);
98 }
99
100 frame++;
101 if (frame >= FRAMES)
102 frame = 0;
103
104 update_canvas(frame_canvas, frames[frame]);
105
106 fibril_timer_set(timer, PERIOD, timer_callback, NULL);
107}
108
109static void loc_callback(void)
110{
111 category_id_t led_cat;
112 int rc = loc_category_get_id("led", &led_cat, IPC_FLAG_BLOCKING);
113 if (rc != EOK)
114 return;
115
116 service_id_t *svcs;
117 size_t count;
118 rc = loc_category_get_svcs(led_cat, &svcs, &count);
119 if (rc != EOK)
120 return;
121
122 for (size_t i = 0; i < count; i++) {
123 bool known = false;
124
125 /* Determine whether we already know this device. */
126 list_foreach(led_devs, link, led_dev_t, dev) {
127 if (dev->svc_id == svcs[i]) {
128 known = true;
129 break;
130 }
131 }
132
133 if (!known) {
134 led_dev_t *dev = (led_dev_t *) calloc(1, sizeof(led_dev_t));
135 if (!dev)
136 continue;
137
138 link_initialize(&dev->link);
139 dev->svc_id = svcs[i];
140 dev->sess = loc_service_connect(EXCHANGE_SERIALIZE, svcs[i], 0);
141
142 list_append(&dev->link, &led_devs);
143 }
144 }
145
146 // FIXME: Handle LED device removal
147
148 free(svcs);
149}
150
151static bool decode_frames(void)
152{
153 frames[0] = decode_tga_gz((void *) frame01_tga_gz, frame01_tga_gz_size, 0);
154 frames[1] = decode_tga_gz((void *) frame02_tga_gz, frame02_tga_gz_size, 0);
155 frames[2] = decode_tga_gz((void *) frame03_tga_gz, frame03_tga_gz_size, 0);
156 frames[3] = decode_tga_gz((void *) frame04_tga_gz, frame04_tga_gz_size, 0);
157 frames[4] = decode_tga_gz((void *) frame05_tga_gz, frame05_tga_gz_size, 0);
158 frames[5] = decode_tga_gz((void *) frame06_tga_gz, frame06_tga_gz_size, 0);
159 frames[6] = decode_tga_gz((void *) frame07_tga_gz, frame07_tga_gz_size, 0);
160 frames[7] = decode_tga_gz((void *) frame08_tga_gz, frame08_tga_gz_size, 0);
161 frames[8] = decode_tga_gz((void *) frame09_tga_gz, frame09_tga_gz_size, 0);
162 frames[9] = decode_tga_gz((void *) frame10_tga_gz, frame10_tga_gz_size, 0);
163 frames[10] = decode_tga_gz((void *) frame11_tga_gz, frame11_tga_gz_size, 0);
164 frames[11] = decode_tga_gz((void *) frame12_tga_gz, frame12_tga_gz_size, 0);
165 frames[12] = decode_tga_gz((void *) frame13_tga_gz, frame13_tga_gz_size, 0);
166 frames[13] = decode_tga_gz((void *) frame14_tga_gz, frame14_tga_gz_size, 0);
167 frames[14] = decode_tga_gz((void *) frame15_tga_gz, frame15_tga_gz_size, 0);
168 frames[15] = decode_tga_gz((void *) frame16_tga_gz, frame16_tga_gz_size, 0);
169 frames[16] = decode_tga_gz((void *) frame17_tga_gz, frame17_tga_gz_size, 0);
170 frames[17] = decode_tga_gz((void *) frame18_tga_gz, frame18_tga_gz_size, 0);
171 frames[18] = decode_tga_gz((void *) frame19_tga_gz, frame19_tga_gz_size, 0);
172 frames[19] = decode_tga_gz((void *) frame20_tga_gz, frame20_tga_gz_size, 0);
173 frames[20] = decode_tga_gz((void *) frame21_tga_gz, frame21_tga_gz_size, 0);
174 frames[21] = decode_tga_gz((void *) frame22_tga_gz, frame22_tga_gz_size, 0);
175 frames[22] = decode_tga_gz((void *) frame23_tga_gz, frame23_tga_gz_size, 0);
176 frames[23] = decode_tga_gz((void *) frame24_tga_gz, frame24_tga_gz_size, 0);
177 frames[24] = decode_tga_gz((void *) frame25_tga_gz, frame25_tga_gz_size, 0);
178 frames[25] = decode_tga_gz((void *) frame26_tga_gz, frame26_tga_gz_size, 0);
179 frames[26] = decode_tga_gz((void *) frame27_tga_gz, frame27_tga_gz_size, 0);
180 frames[27] = decode_tga_gz((void *) frame28_tga_gz, frame28_tga_gz_size, 0);
181 frames[28] = decode_tga_gz((void *) frame29_tga_gz, frame29_tga_gz_size, 0);
182 frames[29] = decode_tga_gz((void *) frame30_tga_gz, frame30_tga_gz_size, 0);
183
184 for (unsigned int frame = 0; frame < FRAMES; frame++) {
185 if (frames[frame] == NULL) {
186 printf("Unable to decode frame %u.\n", frame);
187 return false;
188 }
189 }
190
191 return true;
192}
193
194int main(int argc, char *argv[])
195{
196 if (argc < 2) {
197 printf("Compositor server not specified.\n");
198 return 1;
199 }
200
201 list_initialize(&led_devs);
202 int rc = loc_register_cat_change_cb(loc_callback);
203 if (rc != EOK) {
204 printf("Unable to register callback for device discovery.\n");
205 return 1;
206 }
207
208 timer = fibril_timer_create(NULL);
209 if (!timer) {
210 printf("Unable to create timer.\n");
211 return 1;
212 }
213
214 if (!decode_frames())
215 return 1;
216
217 winreg = argv[1];
218 window_t *main_window = window_open(argv[1], true, true, "barber");
219 if (!main_window) {
220 printf("Cannot open main window.\n");
221 return 1;
222 }
223
224 frame_canvas = create_canvas(window_root(main_window),
225 FRAME_WIDTH, FRAME_HEIGHT, frames[frame]);
226
227 if (!frame_canvas) {
228 window_close(main_window);
229 printf("Cannot create widgets.\n");
230 return 1;
231 }
232
233 window_resize(main_window, 0, 0, FRAME_WIDTH + 8, FRAME_HEIGHT + 28,
234 WINDOW_PLACEMENT_RIGHT | WINDOW_PLACEMENT_BOTTOM);
235 window_exec(main_window);
236
237 fibril_timer_set(timer, PERIOD, timer_callback, NULL);
238
239 task_retval(0);
240 async_manager();
241
242 return 0;
243}
244
245/** @}
246 */
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