3 * Copyright (c) 2012 Samsung Electronics Co., Ltd.
5 * Licensed under the Apache License, Version 2.0 (the License);
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
25 #include <device-node.h>
28 #include "haptic_module_log.h"
31 #define MAX_LEVEL 255.0f
32 #define DEFAULT_EFFECT_HANDLE 0x02
37 #define PREDEF_HAPTIC "haptic"
50 unsigned char **ppbuffer;
57 static BUFFER gbuffer;
59 static int _check_valid_haptic_format(HapticFile *file)
61 if (file->chunkID != HEADER_ID)
64 if (file->fmt.chunkID != FMT_ID)
67 if (file->data.chunkID != DATA_ID)
73 static int __haptic_predefine_action(int handle, int prop, int val)
80 snprintf(buf_pid, sizeof(buf_pid), "%d", getpid());
81 snprintf(buf_prop, sizeof(buf_prop), "%d", prop);
82 snprintf(buf_handle, sizeof(buf_handle), "%d", handle);
83 snprintf(buf_val, sizeof(buf_val), "%d", val);
85 MODULE_LOG("pid : %s(%d), prop : %s, handle : %s", buf_pid, pthread_self(), buf_prop, buf_handle);
86 return __haptic_call_predef_action(PREDEF_HAPTIC, 4, buf_pid, buf_prop, buf_handle, buf_val);
89 static int _create_thread(void* data, void*(*func)(void*))
92 MODULE_ERROR("pthread already created");
96 if (pthread_create(&tid, NULL, func, data) != 0) {
97 MODULE_ERROR("pthread_create is failed : %s", strerror(errno));
104 static int _cancel_thread(void)
110 MODULE_LOG("pthread not initialized");
114 __haptic_predefine_action(gbuffer.handle, STOP, NULL);
116 if ((ret = pthread_cancel(tid)) < 0) {
117 MODULE_ERROR("pthread_cancel is failed : %s, ret(%d)", strerror(errno), ret);
121 if (pthread_join(tid, (void**)&ptr) < 0) {
123 MODULE_ERROR("pthread_join is failed : %s", strerror(errno));
128 if (ptr == PTHREAD_CANCELED) {
129 MODULE_LOG("pthread canceled");
131 MODULE_LOG("pthread already finished");
137 static void __clean_up(void *arg)
139 BUFFER *pbuffer = (BUFFER*)arg;
142 MODULE_LOG("clean up handler!!! : %d", tid);
144 for (i = 0; i < pbuffer->channels; ++i) {
145 free(pbuffer->ppbuffer[i]);
146 pbuffer->ppbuffer[i] = NULL;
149 free(pbuffer->ppbuffer);
150 pbuffer->ppbuffer = NULL;
152 pbuffer->channels = 0;
156 static void* __play_cb(void *arg)
158 BUFFER *pbuffer = (BUFFER*)arg;
161 unsigned char prev = -1;
163 MODULE_LOG("Start thread");
165 pthread_cleanup_push(__clean_up, arg);
167 /* Copy buffer from source buffer */
168 for (i = 0; i < pbuffer->iteration; i++) {
169 for (j = 0; j < pbuffer->length; ++j) {
170 for (k = 0; k < pbuffer->channels; ++k) {
171 ch = pbuffer->ppbuffer[k][j];
173 __haptic_predefine_action(pbuffer->handle, LEVEL, ch);
176 usleep(BITPERMS * 1000);
181 pthread_cleanup_pop(1);
182 pthread_exit((void *)0);
185 int GetHapticLevelMax(int *max)
188 status = device_get_property(DEVICE_TYPE_VIBRATOR, PROP_VIBRATOR_LEVEL_MAX, max);
190 MODULE_ERROR("device_get_property fail : %d", status);
196 int InitializeBuffer(unsigned char *vibe_buffer, int max_bufsize)
200 if (max_bufsize < sizeof(HapticFile)) {
201 MODULE_ERROR("buffer lacks a memory : size(%d) minimum size(%d)",
202 max_bufsize, sizeof(HapticFile));
206 memset(vibe_buffer, 0, sizeof(char)*max_bufsize);
208 pfile = (HapticFile*)vibe_buffer;
210 pfile->chunkID = HEADER_ID;
211 pfile->chunkSize = sizeof(HapticFile);
212 pfile->fmt.chunkID = FMT_ID;
213 pfile->fmt.chunkSize = sizeof(FormatChunk);
214 pfile->fmt.wChannels = 1;
215 pfile->fmt.wBlockAlign = 1; // wChannels*1byte
216 pfile->fmt.dwMagnitude = 99;
217 pfile->fmt.dwDuration = 0;
218 pfile->data.chunkID = DATA_ID;
219 pfile->data.chunkSize = sizeof(DataChunk);
223 int InsertElement(unsigned char *vibe_buffer, int max_bufsize, HapticElement *element)
232 pfile = (HapticFile*)vibe_buffer;
233 if (_check_valid_haptic_format(pfile) < 0) {
234 MODULE_ERROR("this buffer is not HapticFormat");
238 duration = element->duration/BITPERMS;
239 level = (unsigned char)((unsigned int)element->level*MAX_LEVEL/100);
241 databuf = max_bufsize - sizeof(HapticFile);
242 needbuf = (pfile->fmt.dwDuration + duration)*pfile->fmt.wBlockAlign;
243 MODULE_LOG("Need buffer size : %d", needbuf);
245 if (databuf < needbuf) {
246 MODULE_ERROR("buffer lacks a memory : data buf(%d), need buf(%d)", databuf, needbuf);
250 for (i = pfile->fmt.dwDuration; i < pfile->fmt.dwDuration+duration; i++) {
251 pfile->data.pData[i] = level;
254 pfile->chunkSize = sizeof(HapticFile)+needbuf ;
255 pfile->fmt.dwDuration = pfile->fmt.dwDuration+duration;
256 pfile->data.chunkSize = sizeof(DataChunk)+needbuf;
260 int GetBufferSize(const unsigned char *vibe_buffer, int *size)
264 pfile = (HapticFile*)vibe_buffer;
265 if (_check_valid_haptic_format(pfile) < 0) {
266 MODULE_ERROR("this buffer is not HapticFormat");
270 *size = pfile->chunkSize;
274 int GetBufferDuration(const unsigned char *vibe_buffer, int *duration)
278 pfile = (HapticFile*)vibe_buffer;
279 if (_check_valid_haptic_format(pfile) < 0) {
280 MODULE_ERROR("this buffer is not HapticFormat");
284 *duration = pfile->fmt.dwDuration;
288 int PlayOneshot(int handle, int duration, int level)
293 char buf_duration[32];
296 if (_cancel_thread() < 0) {
297 MODULE_ERROR("_cancel_thread fail");
301 snprintf(buf_pid, sizeof(buf_pid), "%d", getpid());
302 snprintf(buf_prop, sizeof(buf_prop), "%d", ONESHOT);
303 snprintf(buf_handle, sizeof(buf_handle), "%d", handle);
304 snprintf(buf_duration, sizeof(buf_duration), "%d", duration);
305 snprintf(buf_level, sizeof(buf_level), "%d", level);
307 MODULE_LOG("pid : %s, prop : %s, handle : %s", buf_pid, buf_prop, buf_handle);
308 return __haptic_call_predef_action(PREDEF_HAPTIC, 5, buf_pid, buf_prop,
309 buf_handle, buf_duration, buf_level);
312 int PlayBuffer(int handle, const unsigned char *vibe_buffer, int iteration, int level)
315 unsigned char **ppbuffer;
316 unsigned int channels, length, align;
320 pfile = (HapticFile*)vibe_buffer;
321 if (_check_valid_haptic_format(pfile) < 0) {
322 MODULE_ERROR("this buffer is not HapticFormat");
327 This code does not support handle and multi channel concept.
328 Only this code adds to test for playing file. */
330 if (_cancel_thread() < 0) {
331 MODULE_ERROR("_cancel_thread fail");
335 channels = pfile->fmt.wChannels;
336 align = pfile->fmt.wBlockAlign;
337 length = (pfile->data.chunkSize-8)/align;
338 MODULE_LOG("channels : %d, length : %d, align : %d, level : %d", channels, length, align, level);
341 ppbuffer = (unsigned char**)malloc(sizeof(unsigned char*)*channels);
342 for (i = 0; i < channels; ++i) {
343 ppbuffer[i] = (unsigned char*)malloc(sizeof(unsigned char)*length);
344 memset(ppbuffer[i], 0, sizeof(unsigned char)*length);
347 /* Copy buffer from source buffer */
348 for (i = 0; i < length; ++i) {
349 for (j = 0; j < channels; ++j) {
350 data = (unsigned char)(pfile->data.pData[i*align+j]);
351 ppbuffer[j][i] = (unsigned char)(data*level/0xFF);
352 MODULE_LOG("ppbuffer[%2d][%2d] : data(%x) -> (%x)", j, i, data, ppbuffer[j][i]);
356 gbuffer.handle = handle;
357 gbuffer.ppbuffer = ppbuffer;
358 gbuffer.channels = channels;
359 gbuffer.length = length;
360 gbuffer.iteration = iteration;
362 __haptic_predefine_action(gbuffer.handle, PLAY, NULL);
365 if (_create_thread(&gbuffer, __play_cb) < 0) {
366 MODULE_ERROR("_create_thread fail");
379 if (_cancel_thread() < 0) {
380 MODULE_ERROR("_cancel_thread fail");
384 snprintf(buf_pid, sizeof(buf_pid), "%d", getpid());
385 snprintf(buf_prop, sizeof(buf_prop), "%d", STOP);
386 snprintf(buf_handle, sizeof(buf_handle), "%d", handle);
388 MODULE_LOG("pid : %s, prop : %s, handle : %s", buf_pid, buf_prop, buf_handle);
389 return __haptic_call_predef_action(PREDEF_HAPTIC, 3, buf_pid, buf_prop, buf_handle);
392 int OpenDevice(int handle)
398 snprintf(buf_pid, sizeof(buf_pid), "%d", getpid());
399 snprintf(buf_prop, sizeof(buf_prop), "%d", OPEN);
400 snprintf(buf_handle, sizeof(buf_handle), "%d", handle);
402 MODULE_LOG("pid : %s, prop : %s, handle : %s", buf_pid, buf_prop, buf_handle);
403 return __haptic_call_predef_action(PREDEF_HAPTIC, 3, buf_pid, buf_prop, buf_handle);
406 int CloseDevice(int handle)
412 if (_cancel_thread() < 0) {
413 MODULE_ERROR("_cancel_thread fail");
417 snprintf(buf_pid, sizeof(buf_pid), "%d", getpid());
418 snprintf(buf_prop, sizeof(buf_prop), "%d", CLOSE);
419 snprintf(buf_handle, sizeof(buf_handle), "%d", handle);
421 MODULE_LOG("pid : %s, prop : %s, handle : %s", buf_pid, buf_prop, buf_handle);
422 return __haptic_call_predef_action(PREDEF_HAPTIC, 3, buf_pid, buf_prop, buf_handle);
425 int GetState(int handle, int *state)
427 if (gbuffer.handle == handle) {