source: mainline/uspace/srv/hid/isdv4_tablet/main.c@ f66ca57f

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since f66ca57f was f66ca57f, checked in by Martin Sucha <sucha14@…>, 13 years ago

Rename wacomdump to isdv4_tablet and register with unique service name.
  • Property mode set to 100644
File size: 8.3 KB
Line 
1/*
2 * Copyright (c) 2012 Martin Sucha
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#include <device/char_dev.h>
30#include <errno.h>
31#include <ipc/serial_ctl.h>
32#include <loc.h>
33#include <stdio.h>
34#include <fibril_synch.h>
35#include <abi/ipc/methods.h>
36#include <ipc/mouseev.h>
37#include <inttypes.h>
38
39#include "isdv4.h"
40
41#define NAME "isdv4_tablet"
42
43static async_sess_t *client_sess = NULL;
44static fibril_mutex_t client_mutex;
45static isdv4_state_t state;
46
47static void syntax_print(void)
48{
49 fprintf(stderr, "Usage: %s [--baud=<baud>] [--print-events] [device_service]\n", NAME);
50}
51
52static int read_fibril(void *unused)
53{
54 int rc = isdv4_read_events(&state);
55 if (rc != EOK) {
56 fprintf(stderr, "Failed reading events");
57 return rc;
58 }
59
60 isdv4_fini(&state);
61 return EOK;
62}
63
64static void mouse_connection(ipc_callid_t iid, ipc_call_t *icall, void *arg)
65{
66 async_answer_0(iid, EOK);
67
68 async_sess_t *sess =
69 async_callback_receive(EXCHANGE_SERIALIZE);
70 fibril_mutex_lock(&client_mutex);
71 if (client_sess == NULL) {
72 client_sess = sess;
73 }
74 fibril_mutex_unlock(&client_mutex);
75
76 while (true) {
77 ipc_call_t call;
78 ipc_callid_t callid = async_get_call(&call);
79
80 if (!IPC_GET_IMETHOD(call))
81 break;
82
83 async_answer_0(callid, ENOTSUP);
84 }
85}
86
87static void emit_event(const isdv4_event_t *event)
88{
89 fibril_mutex_lock(&client_mutex);
90 async_sess_t *sess = client_sess;
91 fibril_mutex_unlock(&client_mutex);
92
93 if (!sess) return;
94
95 async_exch_t *exch = async_exchange_begin(sess);
96 if (exch) {
97 unsigned int max_x = state.stylus_max_x;
98 unsigned int max_y = state.stylus_max_y;
99 if (event->source == TOUCH) {
100 max_x = state.touch_max_x;
101 max_y = state.touch_max_y;
102 }
103 async_msg_4(exch, MOUSEEV_ABS_MOVE_EVENT, event->x, event->y,
104 max_x, max_y);
105 if (event->type == PRESS || event->type == RELEASE) {
106 async_msg_2(exch, MOUSEEV_BUTTON_EVENT, event->button,
107 event->type == PRESS);
108 }
109 }
110 async_exchange_end(exch);
111}
112
113static void print_and_emit_event(const isdv4_event_t *event)
114{
115 const char *type = NULL;
116 switch (event->type) {
117 case PRESS:
118 type = "PRESS";
119 break;
120 case RELEASE:
121 type = "RELEASE";
122 break;
123 case PROXIMITY_IN:
124 type = "PROXIMITY IN";
125 break;
126 case PROXIMITY_OUT:
127 type = "PROXIMITY OUT";
128 break;
129 case MOVE:
130 type = "MOVE";
131 break;
132 default:
133 type = "UNKNOWN";
134 break;
135 }
136
137 const char *source = NULL;
138 switch (event->source) {
139 case STYLUS_TIP:
140 source = "stylus tip";
141 break;
142 case STYLUS_ERASER:
143 source = "stylus eraser";
144 break;
145 case TOUCH:
146 source = "touch";
147 break;
148 }
149
150 printf("%s %s %u %u %u %u\n", type, source, event->x, event->y,
151 event->pressure, event->button);
152
153 emit_event(event);
154}
155
156static const char *touch_type(unsigned int data_id)
157{
158 switch (data_id) {
159 case 0:
160 return "resistive+stylus";
161 case 1:
162 return "capacitive+stylus";
163 case 2:
164 return "resistive";
165 case 3:
166 case 4:
167 return "capacitive";
168 case 5:
169 return "penabled";
170 }
171 return "unknown";
172}
173
174int main(int argc, char **argv)
175{
176 sysarg_t baud = 38400;
177 service_id_t svc_id;
178 char *serial_port_name = NULL;
179
180 int arg = 1;
181 int rc;
182
183 isdv4_event_fn event_fn = emit_event;
184
185 if (argc > arg && str_test_prefix(argv[arg], "--baud=")) {
186 size_t arg_offset = str_lsize(argv[arg], 7);
187 char* arg_str = argv[arg] + arg_offset;
188 if (str_length(arg_str) == 0) {
189 fprintf(stderr, "--baud requires an argument\n");
190 syntax_print();
191 return 1;
192 }
193 char *endptr;
194 baud = strtol(arg_str, &endptr, 10);
195 if (*endptr != '\0') {
196 fprintf(stderr, "Invalid value for baud\n");
197 syntax_print();
198 return 1;
199 }
200 arg++;
201 }
202
203 if (argc > arg && str_cmp(argv[arg], "--print-events") == 0) {
204 event_fn = print_and_emit_event;
205 arg++;
206 }
207
208 if (argc > arg) {
209 serial_port_name = argv[arg];
210 rc = loc_service_get_id(serial_port_name, &svc_id, 0);
211 if (rc != EOK) {
212 fprintf(stderr, "Cannot find device service %s\n",
213 argv[arg]);
214 return 1;
215 }
216 arg++;
217 }
218 else {
219 category_id_t serial_cat_id;
220
221 rc = loc_category_get_id("serial", &serial_cat_id, 0);
222 if (rc != EOK) {
223 fprintf(stderr, "Failed getting id of category "
224 "'serial'\n");
225 return 1;
226 }
227
228 service_id_t *svc_ids;
229 size_t svc_count;
230
231 rc = loc_category_get_svcs(serial_cat_id, &svc_ids, &svc_count); if (rc != EOK) {
232 fprintf(stderr, "Failed getting list of services\n");
233 return 1;
234 }
235
236 if (svc_count == 0) {
237 fprintf(stderr, "No service in category 'serial'\n");
238 free(svc_ids);
239 return 1;
240 }
241
242 svc_id = svc_ids[0];
243
244 rc = loc_service_get_name(svc_id, &serial_port_name);
245 if (rc != EOK) {
246 fprintf(stderr, "Failed getting name of serial service\n");
247 return 1;
248 }
249
250 free(svc_ids);
251 }
252
253 if (argc > arg) {
254 fprintf(stderr, "Too many arguments\n");
255 syntax_print();
256 return 1;
257 }
258
259 fibril_mutex_initialize(&client_mutex);
260
261 printf(NAME ": Using serial port %s\n", serial_port_name);
262
263 async_sess_t *sess = loc_service_connect(EXCHANGE_SERIALIZE, svc_id,
264 IPC_FLAG_BLOCKING);
265 if (!sess) {
266 fprintf(stderr, "Failed connecting to service\n");
267 }
268
269 async_exch_t *exch = async_exchange_begin(sess);
270 rc = async_req_4_0(exch, SERIAL_SET_COM_PROPS, baud,
271 SERIAL_NO_PARITY, 8, 1);
272 async_exchange_end(exch);
273
274 if (rc != EOK) {
275 fprintf(stderr, "Failed setting serial properties\n");
276 return 2;
277 }
278
279 rc = isdv4_init(&state, sess, event_fn);
280 if (rc != EOK) {
281 fprintf(stderr, "Failed initializing isdv4 state");
282 return 2;
283 }
284
285 rc = isdv4_init_tablet(&state);
286 if (rc != EOK) {
287 fprintf(stderr, "Failed initializing tablet");
288 return 2;
289 }
290
291 printf("Tablet information:\n");
292 printf(" Stylus: %ux%u pressure: %u tilt: ", state.stylus_max_x,
293 state.stylus_max_y, state.stylus_max_pressure);
294 if (state.stylus_tilt_supported) {
295 printf("%ux%u\n", state.stylus_max_xtilt, state.stylus_max_ytilt);
296 }
297 else {
298 printf("not supported\n");
299 }
300 printf(" Touch: %ux%u type: %s\n", state.touch_max_x, state.touch_max_y,
301 touch_type(state.touch_type));
302
303 fid_t fibril = fibril_create(read_fibril, NULL);
304 /* From this on, state is to be used only by read_fibril */
305 fibril_add_ready(fibril);
306
307 async_set_client_connection(mouse_connection);
308 rc = loc_server_register(NAME);
309 if (rc != EOK) {
310 printf("%s: Unable to register driver.\n", NAME);
311 return rc;
312 }
313
314 service_id_t service_id;
315 char *service_name;
316 rc = asprintf(&service_name, "mouse/isdv4-%" PRIun, svc_id);
317 if (rc < 0) {
318 printf(NAME ": Unable to create service name\n");
319 return rc;
320 }
321
322 rc = loc_service_register(service_name, &service_id);
323 if (rc != EOK) {
324 printf(NAME ": Unable to register service %s.\n", service_name);
325 return rc;
326 }
327
328 category_id_t mouse_category;
329 rc = loc_category_get_id("mouse", &mouse_category, IPC_FLAG_BLOCKING);
330 if (rc != EOK) {
331 printf(NAME ": Unable to get mouse category id.\n");
332 }
333 else {
334 rc = loc_service_add_to_cat(service_id, mouse_category);
335 if (rc != EOK) {
336 printf(NAME ": Unable to add device to mouse category.\n");
337 }
338 }
339
340 printf("%s: Accepting connections\n", NAME);
341 task_retval(0);
342 async_manager();
343
344 /* Not reached */
345 return 0;
346}
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