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comparison chipsetsw/drivers/drv_app/kpd/kpd_process_internal_msg.c @ 0:509db1a7b7b8

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initial import: leo2moko-r1
author Space Falcon <falcon@ivan.Harhan.ORG>
date Mon, 01 Jun 2015 03:24:05 +0000
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-1:000000000000 0:509db1a7b7b8
1 /**
2 * @file kpd_process_internal_msg.c
3 *
4 * Implementation of Keypad functions.
5 * These functions implement the keypad processing for all the messages the
6 * keypad task can receive.
7 *
8 * @author Laurent Sollier (l-sollier@ti.com)
9 * @version 0.1
10 */
11
12 /*
13 * History:
14 *
15 * Date Author Modification
16 * ----------------------------------------
17 * 10/10/2001 L Sollier Create
18 *
19 *
20 * (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved
21 */
22
23 #include "kpd/kpd_api.h"
24 #include "kpd/kpd_env.h"
25 #include "kpd/kpd_i.h"
26 #include "kpd/kpd_virtual_key_table_mgt.h"
27 #include "kpd/kpd_physical_key_def.h"
28
29 #include "rvf/rvf_api.h"
30 #include "rvm/rvm_use_id_list.h"
31
32 #include <string.h>
33
34 /* External declaration */
35 extern T_KPD_ENV_CTRL_BLK* kpd_env_ctrl_blk;
36
37
38 /* Definition of the wait time in the loop */
39 #ifdef _WINDOWS
40 #define WAIT_TIME_LOOP (50)
41 #else
42 #define WAIT_TIME_LOOP (10)
43 #endif
44
45
46 /* This structure gathers informations about one physical key Id.
47 It define if subscriber is notified for this physical key */
48 typedef struct { UINT32 subscriber_mask;
49 } T_PHYSICAL_KEY_MASK;
50
51
52 /** Definition of a set of keys with repeat keys parameters. */
53 typedef struct { UINT8 nb_notified_keys;
54 UINT16 long_press_time; /* in ms */
55 UINT16 repeat_time; /* in ms */
56 T_KPD_NOTIF_LEVEL notif_level[KPD_NB_PHYSICAL_KEYS];
57 } T_PHYSICAL_KEY_PARAM_TABLE;
58
59
60 /* This structure gather general informations about subscriber id */
61 typedef struct { T_RV_RETURN return_path;
62 T_KPD_MODE mode;
63 T_PHYSICAL_KEY_PARAM_TABLE notified_keys;
64 } T_SUBSCRIBER_INFOS;
65
66
67 /* Informations for all the physical keys Id.
68 This variable is updated each time a client subscribe to the keypad driver,
69 unsubscribe, or change notification key level.
70 Warn that position of the physical key Id is implicit cause of the rule
71 used to define the vpm table */
72 static T_PHYSICAL_KEY_MASK physical_key_mask[KPD_NB_PHYSICAL_KEYS] = {0};
73
74 /* Informations for all the subscribers */
75 static T_SUBSCRIBER_INFOS* subscriber_infos[KPD_MAX_SUBSCRIBER] = {0};
76
77
78
79 /**
80 * @name Functions implementation
81 *
82 */
83 /*@{*/
84
85 /**
86 * function: kpd_return_path_already_defined
87 */
88 static BOOL kpd_return_path_already_defined(T_RV_RETURN return_path)
89 {
90 UINT8 i;
91 BOOL ret = FALSE;
92
93 for (i = 0; i < KPD_MAX_SUBSCRIBER; i++)
94 if ( subscriber_infos[i] != 0 )
95 if (subscriber_infos[i]->return_path.callback_func != 0)
96 {
97 if (subscriber_infos[i]->return_path.callback_func == return_path.callback_func)
98 {
99 ret = TRUE;
100 break;
101 }
102 }
103 else
104 {
105 if (subscriber_infos[i]->return_path.addr_id == return_path.addr_id)
106 {
107 ret = TRUE;
108 break;
109 }
110 }
111
112 return ret;
113 }
114
115 /**
116 * function: kpd_subscribe_i
117 */
118 T_RV_RET kpd_subscribe_i(T_SUBSCRIBER_ID subscriber_id,
119 T_KPD_MODE mode,
120 T_KPD_VIRTUAL_KEY_TABLE* notified_keys,
121 T_RV_RETURN return_path)
122 {
123 INT8 i, position;
124 T_RVF_MB_STATUS mb_status;
125 T_RV_RET ret;
126
127 /* Check the validity of the key table */
128 ret = kpd_check_key_table(notified_keys, mode);
129
130 if (ret != RV_OK)
131 {
132 /* Remove subscriber id because id was reserved */
133 kpd_remove_subscriber(subscriber_id);
134
135 /* Send error message */
136 kpd_send_status_message(KPD_SUBSCRIBE_OP, KPD_ERR_KEYS_TABLE, return_path);
137 }
138 else
139 {
140 if (kpd_return_path_already_defined(return_path) == TRUE)
141 {
142 /* Remove subscriber id because id was reserved */
143 kpd_remove_subscriber(subscriber_id);
144
145 /* Send error message */
146 kpd_send_status_message(KPD_SUBSCRIBE_OP, KPD_ERR_RETURN_PATH_EXISTING, return_path);
147
148 ret = RV_INVALID_PARAMETER;
149 }
150 else
151 {
152 /* Update subscriber informations */
153 /* ------------------------------ */
154
155 /* Reserve memory for subscriber informations */
156 mb_status = rvf_get_buf (kpd_env_ctrl_blk->prim_id,
157 sizeof(T_SUBSCRIBER_INFOS),
158 (void **) &subscriber_infos[subscriber_id]);
159
160 if (mb_status != RVF_RED) /* Memory allocation success */
161 {
162 /* Initialize structure */
163 memset(subscriber_infos[subscriber_id], 0, sizeof(T_SUBSCRIBER_INFOS));
164
165 /* Fill the subscriber structure */
166 subscriber_infos[subscriber_id]->mode = mode;
167 subscriber_infos[subscriber_id]->return_path = return_path;
168 subscriber_infos[subscriber_id]->notified_keys.nb_notified_keys = notified_keys->nb_notified_keys;
169 subscriber_infos[subscriber_id]->notified_keys.long_press_time = 0;
170 subscriber_infos[subscriber_id]->notified_keys.repeat_time = 0;
171 for (i = 0; i < notified_keys->nb_notified_keys; i++)
172 {
173 /* Retrieve physical key Id from virtual key_id */
174 kpd_retrieve_virtual_key_position( notified_keys->notified_keys[i],
175 mode,
176 &position);
177
178 subscriber_infos[subscriber_id]->notified_keys.notif_level[position] = KPD_RELEASE_NOTIF;
179 }
180
181 /* Update link (ID <-> key) */
182 /* ------------------------ */
183 for (i = 0; i < notified_keys->nb_notified_keys; i++)
184 {
185 /* Retrieve position in vpm table */
186 kpd_retrieve_virtual_key_position(notified_keys->notified_keys[i],
187 mode,
188 &position);
189
190 /* Update subscriber mask for the physical key */
191 physical_key_mask[position].subscriber_mask |= (1<<subscriber_id);
192
193 }
194
195 /* Send success message to suscriber */
196 kpd_send_status_message(KPD_SUBSCRIBE_OP, KPD_PROCESS_OK, return_path);
197 }
198 else
199 {
200 KPD_SEND_TRACE("KPD: Memory allocation error", RV_TRACE_LEVEL_ERROR);
201
202 /* Remove subscriber id because id was reserved */
203 kpd_remove_subscriber(subscriber_id);
204
205 /* Send error message to suscriber */
206 kpd_send_status_message(KPD_SUBSCRIBE_OP, KPD_ERR_INTERNAL, return_path);
207 }
208 }
209 }
210
211 return RV_OK;
212 }
213
214
215 /**
216 * function: kpd_unsubscribe_i
217 */
218 T_RV_RET kpd_unsubscribe_i(T_SUBSCRIBER_ID subscriber_id)
219 {
220 UINT8 i;
221
222 /* Delete subscriber informations */
223 rvf_free_buf(subscriber_infos[subscriber_id]);
224 subscriber_infos[subscriber_id] = 0;
225
226 /* Delete link (ID <-> key) */
227 for (i = 0; i < KPD_NB_PHYSICAL_KEYS; i++)
228 {
229 physical_key_mask[i].subscriber_mask &= ~(1<<subscriber_id);
230 }
231
232 /* If the subscriber is the keypad owner, this privilege is unset */
233 if (kpd_is_owner_keypad(subscriber_id) == TRUE)
234 kpd_set_keypad_mode(MN_MODE);
235
236 return RV_OK;
237 }
238
239
240 /**
241 * function: kpd_define_key_notification_i
242 */
243 T_RV_RET kpd_define_key_notification_i(T_SUBSCRIBER_ID subscriber_id,
244 T_KPD_VIRTUAL_KEY_TABLE* notif_key_table,
245 T_KPD_NOTIF_LEVEL notif_level,
246 UINT16 long_press_time,
247 UINT16 repeat_time)
248 {
249 T_RV_RET ret = RV_OK;
250 UINT8 i;
251 INT8 position;
252
253 /* Check the validity of the key table */
254 ret = kpd_check_key_table(notif_key_table, subscriber_infos[subscriber_id]->mode);
255
256 if (ret != RV_OK)
257 {
258 /* Send error message */
259 kpd_send_status_message(KPD_REPEAT_KEYS_OP, KPD_ERR_KEYS_TABLE, subscriber_infos[subscriber_id]->return_path);
260
261 }
262 else
263 {
264 /* Update subscriber informations */
265 /* ------------------------------ */
266 subscriber_infos[subscriber_id]->notified_keys.long_press_time = long_press_time*100;
267 subscriber_infos[subscriber_id]->notified_keys.repeat_time = repeat_time*100;
268
269 for (i = 0; i < notif_key_table->nb_notified_keys; i++)
270 {
271 /* Retrieve physical key Id from virtual key_id */
272 kpd_retrieve_virtual_key_position( notif_key_table->notified_keys[i],
273 subscriber_infos[subscriber_id]->mode,
274 &position);
275
276 /* Check if subscriber have asked notification for this key at subscription */
277 if ( physical_key_mask[position].subscriber_mask & (1<<subscriber_id) )
278 subscriber_infos[subscriber_id]->notified_keys.notif_level[position] = notif_level;
279 }
280
281 /* Send success message to suscriber */
282 kpd_send_status_message(KPD_REPEAT_KEYS_OP, KPD_PROCESS_OK, subscriber_infos[subscriber_id]->return_path);
283 }
284
285 return ret;
286 }
287
288
289 /**
290 * function: kpd_change_mode_i
291 */
292 T_RV_RET kpd_change_mode_i(T_SUBSCRIBER_ID subscriber_id,
293 T_KPD_VIRTUAL_KEY_TABLE* notified_keys,
294 T_KPD_MODE new_mode)
295 {
296 UINT8 i;
297 INT8 position;
298 T_RV_RET ret;
299
300 /* Check the validity of the key table */
301 ret = kpd_check_key_table(notified_keys, new_mode);
302
303 if (ret != RV_OK)
304 {
305 /* Send error message */
306 kpd_send_status_message(KPD_CHANGE_MODE_OP, KPD_ERR_KEYS_TABLE, subscriber_infos[subscriber_id]->return_path);
307 }
308 else
309 {
310 /* Delete link (ID <-> key) for old mode*/
311 for (i = 0; i < KPD_NB_PHYSICAL_KEYS; i++)
312 {
313 physical_key_mask[i].subscriber_mask &= ~(1<<subscriber_id);
314 subscriber_infos[subscriber_id]->notified_keys.notif_level[i] = KPD_NO_NOTIF;
315 }
316
317 /* Update subscriber structure */
318 subscriber_infos[subscriber_id]->mode = new_mode;
319 subscriber_infos[subscriber_id]->notified_keys.nb_notified_keys = notified_keys->nb_notified_keys;
320 subscriber_infos[subscriber_id]->notified_keys.long_press_time = 0;
321 subscriber_infos[subscriber_id]->notified_keys.repeat_time = 0;
322 for (i = 0; i < notified_keys->nb_notified_keys; i++)
323 {
324 /* Retrieve physical key Id from virtual key_id */
325 kpd_retrieve_virtual_key_position( notified_keys->notified_keys[i],
326 new_mode,
327 &position);
328
329 subscriber_infos[subscriber_id]->notified_keys.notif_level[position] = KPD_RELEASE_NOTIF;
330
331 /* Update link (ID <-> key) for new mode */
332 physical_key_mask[position].subscriber_mask |= (1<<subscriber_id);
333 }
334
335 /* If the subscriber is the keypad owner, this privilege is unset */
336 if (kpd_is_owner_keypad(subscriber_id) == TRUE)
337 kpd_set_keypad_mode(MN_MODE);
338
339 /* Send success message to suscriber */
340 kpd_send_status_message(KPD_CHANGE_MODE_OP, KPD_PROCESS_OK, subscriber_infos[subscriber_id]->return_path);
341 }
342
343 return RV_OK;
344 }
345
346 /**
347 * function: kpd_own_keypad_i
348 */
349 T_RV_RET kpd_own_keypad_i(T_SUBSCRIBER_ID subscriber_id,
350 BOOL is_keypad_owner,
351 T_KPD_VIRTUAL_KEY_TABLE* keys_owner)
352 {
353 INT8 position;
354 UINT8 i;
355
356 if (is_keypad_owner == FALSE)
357 {
358 /* Check if subscriber Id own the keypad */
359 if (kpd_is_owner_keypad(subscriber_id))
360 {
361 kpd_set_keypad_mode(MN_MODE);
362
363 /* Send success message to suscriber */
364 kpd_send_status_message(KPD_OWN_KEYPAD_OP, KPD_PROCESS_OK, subscriber_infos[subscriber_id]->return_path);
365
366 }
367 else
368 kpd_send_status_message(KPD_OWN_KEYPAD_OP, KPD_ERR_ID_OWNER_KEYPAD, subscriber_infos[subscriber_id]->return_path);
369 }
370 else
371 {
372 /* Check if keypad driver is already in single-notified mode */
373 if (kpd_get_keypad_mode() == SN_MODE)
374 {
375 /* Send error message to suscriber */
376 kpd_send_status_message(KPD_OWN_KEYPAD_OP, KPD_ERR_SN_MODE, subscriber_infos[subscriber_id]->return_path);
377 }
378 else
379 {
380 /* Check if all the keys defined in keys_owner are notified to the subsciber */
381 for (i = 0; i < keys_owner->nb_notified_keys; i++)
382 {
383 /* Retrieve physical key Id from virtual key_id */
384 kpd_retrieve_virtual_key_position( keys_owner->notified_keys[i],
385 subscriber_infos[subscriber_id]->mode,
386 &position);
387
388 if ( subscriber_infos[subscriber_id]->notified_keys.notif_level == KPD_NO_NOTIF )
389 {
390 /* Send error message to suscriber */
391 kpd_send_status_message(KPD_OWN_KEYPAD_OP, KPD_ERR_KEYS_TABLE, subscriber_infos[subscriber_id]->return_path);
392 return RV_INTERNAL_ERR;
393 }
394 }
395
396 /* Set keypad driver in single-notified mode */
397 kpd_set_keypad_mode(SN_MODE);
398
399 /* Set owner keypad Id */
400 kpd_set_owner_keypad_id(subscriber_id);
401
402 /* Set list of keys used by the keypad owner. Thsi list is is a sub-list
403 of the keys defined at subscription. For these keys, the keypad owner will
404 be the only notified. */
405 kpd_set_keys_in_sn_mode(keys_owner, subscriber_infos[subscriber_id]->mode);
406
407 /* Send success message to suscriber */
408 kpd_send_status_message(KPD_OWN_KEYPAD_OP, KPD_PROCESS_OK, subscriber_infos[subscriber_id]->return_path);
409 }
410 }
411
412 return RV_OK;
413 }
414
415 /**
416 * function: kpd_set_key_config_i
417 */
418 T_RV_RET kpd_set_key_config_i(T_SUBSCRIBER_ID subscriber_id,
419 T_KPD_VIRTUAL_KEY_TABLE* reference_keys,
420 T_KPD_VIRTUAL_KEY_TABLE* new_keys)
421 {
422 #ifdef KPD_MODE_CONFIG
423 UINT8 i;
424
425 /* Check if some subscriber use the configurable mode */
426 for (i = 0; i < KPD_MAX_SUBSCRIBER; i++)
427 {
428 if ( (subscriber_infos[i] != 0) && (subscriber_infos[i]->mode == KPD_MODE_CONFIG) )
429 {
430 /* Send error message to suscriber */
431 kpd_send_status_message(KPD_SET_CONFIG_MODE_OP,
432 KPD_ERR_CONFIG_MODE_USED,
433 subscriber_infos[subscriber_id]->return_path);
434 return RV_OK;
435 }
436 }
437
438 /* Set keys in configurable mode */
439 kpd_define_new_config(reference_keys, new_keys);
440
441 /* Send success message to suscriber */
442 kpd_send_status_message(KPD_SET_CONFIG_MODE_OP,
443 KPD_PROCESS_OK,
444 subscriber_infos[subscriber_id]->return_path);
445
446 #endif
447
448 return RV_OK;
449 }
450
451
452 /**
453 * function: kpd_process_key_pressed_i
454 */
455 void kpd_process_key_pressed_i(T_KPD_PHYSICAL_KEY_ID physical_key_pressed_id)
456 {
457 UINT8 i;
458 UINT32 loop_counter = 0;
459 UINT16 counter[KPD_MAX_SUBSCRIBER] = {0};
460 T_KPD_PHYSICAL_KEY_ID key_id = physical_key_pressed_id;
461
462 KPD_SEND_TRACE_PARAM("KPD: kpd_process_key_pressed_i ", key_id, RV_TRACE_LEVEL_DEBUG_LOW);
463
464 /* Notify subscribers of the key pressed */
465 for (i = 0; i < KPD_MAX_SUBSCRIBER; i++) /* To do : Loop on the real number of subscribers */
466 { /* To do : Test on the physical_key_mask (to ensure subscriber is subscribed for this key) */
467 if ( (subscriber_infos[i]!=0) && (subscriber_infos[i]->notified_keys.notif_level[key_id] & KPD_FIRST_PRESS_NOTIF) )
468 {
469 kpd_send_key_event_message(key_id, KPD_KEY_PRESSED,
470 KPD_FIRST_PRESS, subscriber_infos[i]->mode,
471 subscriber_infos[i]->return_path);
472 }
473 }
474
475 /* If key pressed is the PWR key, the message "Released key" is immediately sent */
476 if (key_id != KPD_SHORT_PRESS_PWR_KEY)
477 {
478 /* Loop infinitely until key is released */
479 do
480 {
481 rvf_delay(RVF_MS_TO_TICKS(WAIT_TIME_LOOP));
482 physical_key_pressed_id = kpd_scan_keypad();
483 loop_counter++;
484
485 /* Send message for repeat key */
486 for (i = 0; i < KPD_MAX_SUBSCRIBER; i++)
487 {
488 if ( (subscriber_infos[i]!=0) && (subscriber_infos[i]->notified_keys.notif_level[key_id] & (KPD_LONG_PRESS_NOTIF|KPD_INFINITE_REPEAT_NOTIF)) )
489 {
490 if ((counter[i] == 0) && (WAIT_TIME_LOOP*loop_counter >= subscriber_infos[i]->notified_keys.long_press_time) )
491 {
492 kpd_send_key_event_message(key_id, KPD_KEY_PRESSED,
493 KPD_LONG_PRESS, subscriber_infos[i]->mode,
494 subscriber_infos[i]->return_path);
495 counter[i] ++;
496 }
497 else if (subscriber_infos[i]->notified_keys.notif_level[key_id] & KPD_INFINITE_REPEAT_NOTIF)
498 {
499 if (WAIT_TIME_LOOP*loop_counter >= (UINT32)((counter[i]*subscriber_infos[i]->notified_keys.repeat_time + subscriber_infos[i]->notified_keys.long_press_time)) )
500 {
501 kpd_send_key_event_message(key_id, KPD_KEY_PRESSED,
502 KPD_REPEAT_PRESS, subscriber_infos[i]->mode,
503 subscriber_infos[i]->return_path);
504 counter[i] ++;
505 }
506 }
507 }
508 }
509
510 } while (physical_key_pressed_id != KPD_PKEY_NULL);
511 }
512
513 /* Notify subscribers of the key released */
514 for (i = 0; i < KPD_MAX_SUBSCRIBER; i++)
515 {
516 if ( (subscriber_infos[i]!=0) && (subscriber_infos[i]->notified_keys.notif_level[key_id] & KPD_RELEASE_NOTIF) )
517 {
518 kpd_send_key_event_message(key_id, KPD_KEY_RELEASED,
519 KPD_INSIGNIFICANT_VALUE, subscriber_infos[i]->mode,
520 subscriber_infos[i]->return_path);
521 }
522 }
523
524 /* On board,this function unmask keypad interrupt
525 On Riviera tool, this function is empty */
526 if (key_id != KPD_SHORT_PRESS_PWR_KEY)
527 {
528 #if (CHIPSET == 12)
529 kpd_software_reset();
530 kpd_init_ctrl_reg(1, HARDWARE_DECODING, KPD_CLK_DIV32,
531 KPD_DETECTION_DISABLED, KPD_DETECTION_DISABLED,
532 KPD_DETECTION_DISABLED, KPD_DETECTION_DISABLED);
533 #endif
534
535 kpd_acknowledge_key_pressed();
536 }
537 }
538
539
540 /**
541 * function: kpd_process_key_pressed_sn_mode_i
542 */
543 void kpd_process_key_pressed_sn_mode_i(T_KPD_PHYSICAL_KEY_ID physical_key_pressed_id)
544 {
545 T_SUBSCRIBER_ID owner_keypad_id = kpd_get_owner_keypad_id();
546 T_KPD_PHYSICAL_KEY_ID key_id = physical_key_pressed_id;
547 UINT32 loop_counter = 0;
548 UINT16 counter = 0;
549
550 if ( subscriber_infos[owner_keypad_id]->notified_keys.notif_level[key_id] & KPD_FIRST_PRESS_NOTIF )
551 {
552 /* Notify subscribers of the key pressed */
553 kpd_send_key_event_message(key_id, KPD_KEY_PRESSED,
554 KPD_FIRST_PRESS, subscriber_infos[owner_keypad_id]->mode,
555 subscriber_infos[owner_keypad_id]->return_path);
556 }
557
558 /* If key pressed is the PWR key, the message "Released key" is immediately sent */
559 if (key_id != KPD_SHORT_PRESS_PWR_KEY)
560 {
561 /* Loop infinitely until key is released */
562 do
563 {
564 rvf_delay(RVF_MS_TO_TICKS(WAIT_TIME_LOOP));
565 physical_key_pressed_id = kpd_scan_keypad();
566 loop_counter++;
567
568 /* Send message for repeat key */
569 if (subscriber_infos[owner_keypad_id]->notified_keys.notif_level[key_id] & (KPD_LONG_PRESS_NOTIF|KPD_INFINITE_REPEAT_NOTIF))
570 {
571 if ((counter == 0) && (WAIT_TIME_LOOP*loop_counter >= subscriber_infos[owner_keypad_id]->notified_keys.long_press_time) )
572 {
573 kpd_send_key_event_message(key_id, KPD_KEY_PRESSED,
574 KPD_LONG_PRESS, subscriber_infos[owner_keypad_id]->mode,
575 subscriber_infos[owner_keypad_id]->return_path);
576 counter ++;
577 }
578 else if (subscriber_infos[owner_keypad_id]->notified_keys.notif_level[key_id] & KPD_INFINITE_REPEAT_NOTIF)
579 {
580 if (WAIT_TIME_LOOP*loop_counter >= (UINT32)((counter*subscriber_infos[owner_keypad_id]->notified_keys.repeat_time + subscriber_infos[owner_keypad_id]->notified_keys.long_press_time)) )
581 {
582 kpd_send_key_event_message(key_id, KPD_KEY_PRESSED,
583 KPD_REPEAT_PRESS, subscriber_infos[owner_keypad_id]->mode,
584 subscriber_infos[owner_keypad_id]->return_path);
585 counter ++;
586 }
587 }
588 }
589
590 } while (physical_key_pressed_id != KPD_PKEY_NULL);
591 }
592
593 if ( subscriber_infos[owner_keypad_id]->notified_keys.notif_level[key_id] & KPD_RELEASE_NOTIF )
594 {
595 /* Notify subscribers of the key released */
596 kpd_send_key_event_message(key_id, KPD_KEY_RELEASED,
597 KPD_INSIGNIFICANT_VALUE, subscriber_infos[owner_keypad_id]->mode,
598 subscriber_infos[owner_keypad_id]->return_path);
599 }
600
601 /* On board,this function unmask keypad interrupt
602 On Riviera tool, this function authorize to send new messages to keypad task */
603 if (key_id != KPD_SHORT_PRESS_PWR_KEY)
604 {
605 #if (CHIPSET == 12)
606 kpd_software_reset();
607 kpd_init_ctrl_reg(1, HARDWARE_DECODING, KPD_CLK_DIV32,
608 KPD_DETECTION_DISABLED, KPD_DETECTION_DISABLED,
609 KPD_DETECTION_DISABLED, KPD_DETECTION_DISABLED);
610 #endif
611 kpd_acknowledge_key_pressed();
612 }
613 }
614
615 /**
616 * function: kpd_wait_for_key_release
617 */
618 void kpd_wait_for_key_release(void)
619 {
620 T_KPD_PHYSICAL_KEY_ID key_id;;
621
622 do
623 {
624 rvf_delay(RVF_MS_TO_TICKS(WAIT_TIME_LOOP));
625 key_id = kpd_scan_keypad();
626
627 } while (key_id != KPD_PKEY_NULL);
628
629 kpd_acknowledge_key_pressed();
630 }
631
632 /*@}*/