Home | History | Annotate | Download | only in hf_client
      1 /******************************************************************************
      2  *
      3  *  Copyright (c) 2014 The Android Open Source Project
      4  *  Copyright (C) 2003-2012 Broadcom Corporation
      5  *
      6  *  Licensed under the Apache License, Version 2.0 (the "License");
      7  *  you may not use this file except in compliance with the License.
      8  *  You may obtain a copy of the License at:
      9  *
     10  *  http://www.apache.org/licenses/LICENSE-2.0
     11  *
     12  *  Unless required by applicable law or agreed to in writing, software
     13  *  distributed under the License is distributed on an "AS IS" BASIS,
     14  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15  *  See the License for the specific language governing permissions and
     16  *  limitations under the License.
     17  *
     18  ******************************************************************************/
     19 
     20 /******************************************************************************
     21  *
     22  *  This file contains action functions for the handsfree client.
     23  *
     24  ******************************************************************************/
     25 
     26 #include "bta_api.h"
     27 #include "bta_hf_client_api.h"
     28 #include "bta_hf_client_int.h"
     29 #include "bta_dm_int.h"
     30 #include "l2c_api.h"
     31 #include "port_api.h"
     32 #include "bta_sys.h"
     33 #include "utl.h"
     34 #include "bt_utils.h"
     35 #include "osi/include/compat.h"
     36 #include <string.h>
     37 
     38 /*****************************************************************************
     39 **  Constants
     40 *****************************************************************************/
     41 
     42 /* maximum length of data to read from RFCOMM */
     43 #define BTA_HF_CLIENT_RFC_READ_MAX     512
     44 
     45 /*******************************************************************************
     46 **
     47 ** Function         bta_hf_client_register
     48 **
     49 ** Description      This function initializes values of the scb and sets up
     50 **                  the SDP record for the services.
     51 **
     52 **
     53 ** Returns          void
     54 **
     55 *******************************************************************************/
     56 void bta_hf_client_register(tBTA_HF_CLIENT_DATA *p_data)
     57 {
     58     tBTA_HF_CLIENT evt;
     59     tBTA_UTL_COD   cod;
     60 
     61     memset(&evt, 0, sizeof(evt));
     62 
     63     /* initialize control block */
     64     bta_hf_client_scb_init();
     65 
     66     bta_hf_client_cb.scb.serv_sec_mask = p_data->api_register.sec_mask;
     67     bta_hf_client_cb.scb.features = p_data->api_register.features;
     68 
     69     /* initialize AT control block */
     70     bta_hf_client_at_init();
     71 
     72     /* create SDP records */
     73     bta_hf_client_create_record(p_data);
     74 
     75     /* Set the Audio service class bit */
     76     cod.service = BTM_COD_SERVICE_AUDIO;
     77     utl_set_device_class(&cod, BTA_UTL_SET_COD_SERVICE_CLASS);
     78 
     79     /* start RFCOMM server */
     80     bta_hf_client_start_server();
     81 
     82     /* call app callback with register event */
     83     evt.reg.status = BTA_HF_CLIENT_SUCCESS;
     84     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_REGISTER_EVT, &evt);
     85 }
     86 
     87 /*******************************************************************************
     88 **
     89 ** Function         bta_hf_client_deregister
     90 **
     91 ** Description      This function removes the sdp records, closes the RFCOMM
     92 **                  servers, and deallocates the service control block.
     93 **
     94 **
     95 ** Returns          void
     96 **
     97 *******************************************************************************/
     98 void bta_hf_client_deregister(tBTA_HF_CLIENT_DATA *p_data)
     99 {
    100     bta_hf_client_cb.scb.deregister = TRUE;
    101 
    102     /* remove sdp record */
    103     bta_hf_client_del_record(p_data);
    104 
    105     /* remove rfcomm server */
    106     bta_hf_client_close_server();
    107 
    108     /* disable */
    109     bta_hf_client_scb_disable();
    110 }
    111 
    112 /*******************************************************************************
    113 **
    114 ** Function         bta_hf_client_start_dereg
    115 **
    116 ** Description      Start a deregister event.
    117 **
    118 **
    119 ** Returns          void
    120 **
    121 *******************************************************************************/
    122 void bta_hf_client_start_dereg(tBTA_HF_CLIENT_DATA *p_data)
    123 {
    124     bta_hf_client_cb.scb.deregister = TRUE;
    125 
    126     /* remove sdp record */
    127     bta_hf_client_del_record(p_data);
    128 }
    129 
    130 /*******************************************************************************
    131 **
    132 ** Function         bta_hf_client_start_close
    133 **
    134 ** Description      Start the process of closing SCO and RFCOMM connection.
    135 **
    136 **
    137 ** Returns          void
    138 **
    139 *******************************************************************************/
    140 void bta_hf_client_start_close(tBTA_HF_CLIENT_DATA *p_data)
    141 {
    142     /* Take the link out of sniff and set L2C idle time to 0 */
    143     bta_dm_pm_active(bta_hf_client_cb.scb.peer_addr);
    144     L2CA_SetIdleTimeoutByBdAddr(bta_hf_client_cb.scb.peer_addr, 0, BT_TRANSPORT_BR_EDR);
    145 
    146     /* if SCO is open close SCO and wait on RFCOMM close */
    147     if (bta_hf_client_cb.scb.sco_state == BTA_HF_CLIENT_SCO_OPEN_ST)
    148     {
    149         bta_hf_client_cb.scb.sco_close_rfc = TRUE;
    150     }
    151     else
    152     {
    153         bta_hf_client_rfc_do_close(p_data);
    154     }
    155 
    156     /* always do SCO shutdown to handle all SCO corner cases */
    157     bta_hf_client_sco_shutdown(NULL);
    158 }
    159 
    160 /*******************************************************************************
    161 **
    162 ** Function         bta_hf_client_start_open
    163 **
    164 ** Description      This starts an HF Client open.
    165 **
    166 **
    167 ** Returns          void
    168 **
    169 *******************************************************************************/
    170 void bta_hf_client_start_open(tBTA_HF_CLIENT_DATA *p_data)
    171 {
    172     BD_ADDR pending_bd_addr;
    173 
    174     /* store parameters */
    175     if (p_data)
    176     {
    177         bdcpy(bta_hf_client_cb.scb.peer_addr, p_data->api_open.bd_addr);
    178         bta_hf_client_cb.scb.cli_sec_mask = p_data->api_open.sec_mask;
    179     }
    180 
    181     /* Check if RFCOMM has any incoming connection to avoid collision. */
    182     if (PORT_IsOpening (pending_bd_addr))
    183     {
    184         /* Let the incoming connection goes through.                        */
    185         /* Issue collision for now.                                         */
    186         /* We will decide what to do when we find incoming connection later.*/
    187         bta_hf_client_collision_cback (0, BTA_ID_HS, 0, bta_hf_client_cb.scb.peer_addr);
    188         return;
    189     }
    190 
    191     /* close server */
    192     bta_hf_client_close_server();
    193 
    194     /* set role */
    195     bta_hf_client_cb.scb.role = BTA_HF_CLIENT_INT;
    196 
    197     /* do service search */
    198     bta_hf_client_do_disc();
    199 }
    200 
    201 /*******************************************************************************
    202 **
    203 ** Function         bta_hf_client_cback_open
    204 **
    205 ** Description      Send open callback event to application.
    206 **
    207 **
    208 ** Returns          void
    209 **
    210 *******************************************************************************/
    211 static void bta_hf_client_cback_open(tBTA_HF_CLIENT_DATA *p_data, tBTA_HF_CLIENT_STATUS status)
    212 {
    213     tBTA_HF_CLIENT evt;
    214 
    215     memset(&evt, 0, sizeof(evt));
    216 
    217     /* call app callback with open event */
    218     evt.open.status = status;
    219     if(p_data)
    220     {
    221         /* if p_data is provided then we need to pick the bd address from the open api structure */
    222         bdcpy(evt.open.bd_addr, p_data->api_open.bd_addr);
    223     }
    224     else
    225     {
    226         bdcpy(evt.open.bd_addr, bta_hf_client_cb.scb.peer_addr);
    227     }
    228 
    229     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_OPEN_EVT, &evt);
    230 }
    231 
    232 /*******************************************************************************
    233 **
    234 ** Function         bta_hf_client_rfc_open
    235 **
    236 ** Description      Handle RFCOMM channel open.
    237 **
    238 **
    239 ** Returns          void
    240 **
    241 *******************************************************************************/
    242 void bta_hf_client_rfc_open(tBTA_HF_CLIENT_DATA *p_data)
    243 {
    244     UNUSED(p_data);
    245 
    246     bta_sys_conn_open(BTA_ID_HS, 1, bta_hf_client_cb.scb.peer_addr);
    247 
    248     bta_hf_client_cback_open(NULL, BTA_HF_CLIENT_SUCCESS);
    249 
    250     /* start SLC procedure */
    251     bta_hf_client_slc_seq(FALSE);
    252 }
    253 
    254 /*******************************************************************************
    255 **
    256 ** Function         bta_hf_client_rfc_acp_open
    257 **
    258 ** Description      Handle RFCOMM channel open when accepting connection.
    259 **
    260 **
    261 ** Returns          void
    262 **
    263 *******************************************************************************/
    264 void bta_hf_client_rfc_acp_open(tBTA_HF_CLIENT_DATA *p_data)
    265 {
    266     UINT16          lcid;
    267     BD_ADDR         dev_addr;
    268     int             status;
    269 
    270     /* set role */
    271     bta_hf_client_cb.scb.role = BTA_HF_CLIENT_ACP;
    272 
    273     APPL_TRACE_DEBUG ("bta_hf_client_rfc_acp_open: serv_handle = %d rfc.port_handle = %d",
    274             bta_hf_client_cb.scb.serv_handle, p_data->rfc.port_handle);
    275 
    276     /* get bd addr of peer */
    277     if (PORT_SUCCESS != (status=PORT_CheckConnection(p_data->rfc.port_handle, dev_addr, &lcid)))
    278     {
    279         APPL_TRACE_DEBUG ("bta_hf_client_rfc_acp_open error PORT_CheckConnection returned status %d", status);
    280     }
    281 
    282     /* Collision Handling */
    283     if (alarm_is_scheduled(bta_hf_client_cb.scb.collision_timer)) {
    284         alarm_cancel(bta_hf_client_cb.scb.collision_timer);
    285 
    286         if (bdcmp (dev_addr, bta_hf_client_cb.scb.peer_addr) == 0)
    287         {
    288             /* If incoming and outgoing device are same, nothing more to do.            */
    289             /* Outgoing conn will be aborted because we have successful incoming conn.  */
    290         }
    291         else
    292         {
    293             /* Resume outgoing connection. */
    294             bta_hf_client_resume_open ();
    295         }
    296     }
    297 
    298     bdcpy (bta_hf_client_cb.scb.peer_addr, dev_addr);
    299     bta_hf_client_cb.scb.conn_handle = p_data->rfc.port_handle;
    300 
    301     /* do service discovery to get features */
    302     bta_hf_client_do_disc();
    303 
    304     /* continue with open processing */
    305     bta_hf_client_rfc_open(p_data);
    306 }
    307 
    308 /*******************************************************************************
    309 **
    310 ** Function         bta_hf_client_rfc_fail
    311 **
    312 ** Description      RFCOMM connection failed.
    313 **
    314 **
    315 ** Returns          void
    316 **
    317 *******************************************************************************/
    318 void bta_hf_client_rfc_fail(tBTA_HF_CLIENT_DATA *p_data)
    319 {
    320     UNUSED(p_data);
    321 
    322     /* reinitialize stuff */
    323     bta_hf_client_cb.scb.conn_handle = 0;
    324     bta_hf_client_cb.scb.peer_features = 0;
    325     bta_hf_client_cb.scb.chld_features = 0;
    326     bta_hf_client_cb.scb.role = BTA_HF_CLIENT_ACP;
    327     bta_hf_client_cb.scb.svc_conn = FALSE;
    328     bta_hf_client_cb.scb.send_at_reply = FALSE;
    329     bta_hf_client_cb.scb.negotiated_codec = BTM_SCO_CODEC_CVSD;
    330 
    331     bta_hf_client_at_reset();
    332 
    333     /* reopen server */
    334     bta_hf_client_start_server();
    335 
    336     /* call open cback w. failure */
    337     bta_hf_client_cback_open(NULL, BTA_HF_CLIENT_FAIL_RFCOMM);
    338 }
    339 
    340 /*******************************************************************************
    341 **
    342 ** Function         bta_hf_client_disc_fail
    343 **
    344 ** Description      This function handles a discovery failure.
    345 **
    346 **
    347 ** Returns          void
    348 **
    349 *******************************************************************************/
    350 void bta_hf_client_disc_fail(tBTA_HF_CLIENT_DATA *p_data)
    351 {
    352     UNUSED(p_data);
    353 
    354     /* reopen server */
    355     bta_hf_client_start_server();
    356 
    357     /* reinitialize stuff */
    358 
    359     /* call open cback w. failure */
    360     bta_hf_client_cback_open(NULL, BTA_HF_CLIENT_FAIL_SDP);
    361 }
    362 
    363 /*******************************************************************************
    364 **
    365 ** Function         bta_hf_client_open_fail
    366 **
    367 ** Description      open connection failed.
    368 **
    369 **
    370 ** Returns          void
    371 **
    372 *******************************************************************************/
    373 void bta_hf_client_open_fail(tBTA_HF_CLIENT_DATA *p_data)
    374 {
    375     /* call open cback w. failure */
    376     bta_hf_client_cback_open(p_data, BTA_HF_CLIENT_FAIL_RESOURCES);
    377 }
    378 
    379 /*******************************************************************************
    380 **
    381 ** Function         bta_hf_client_rfc_close
    382 **
    383 ** Description      RFCOMM connection closed.
    384 **
    385 **
    386 ** Returns          void
    387 **
    388 *******************************************************************************/
    389 void bta_hf_client_rfc_close(tBTA_HF_CLIENT_DATA *p_data)
    390 {
    391     UNUSED(p_data);
    392 
    393     /* reinitialize stuff */
    394     bta_hf_client_cb.scb.peer_features = 0;
    395     bta_hf_client_cb.scb.chld_features = 0;
    396     bta_hf_client_cb.scb.role = BTA_HF_CLIENT_ACP;
    397     bta_hf_client_cb.scb.svc_conn = FALSE;
    398     bta_hf_client_cb.scb.send_at_reply = FALSE;
    399     bta_hf_client_cb.scb.negotiated_codec = BTM_SCO_CODEC_CVSD;
    400 
    401     bta_hf_client_at_reset();
    402 
    403     bta_sys_conn_close(BTA_ID_HS, 1, bta_hf_client_cb.scb.peer_addr);
    404 
    405     /* call close cback */
    406     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_CLOSE_EVT, NULL);
    407 
    408     /* if not deregistering reopen server */
    409     if (bta_hf_client_cb.scb.deregister == FALSE)
    410     {
    411         /* Clear peer bd_addr so instance can be reused */
    412         bdcpy(bta_hf_client_cb.scb.peer_addr, bd_addr_null);
    413 
    414         /* start server as it might got closed on open*/
    415         bta_hf_client_start_server();
    416 
    417         bta_hf_client_cb.scb.conn_handle = 0;
    418 
    419         /* Make sure SCO is shutdown */
    420         bta_hf_client_sco_shutdown(NULL);
    421 
    422         bta_sys_sco_unuse(BTA_ID_HS, 1, bta_hf_client_cb.scb.peer_addr);
    423     }
    424     /* else close port and deallocate scb */
    425     else
    426     {
    427         bta_hf_client_close_server();
    428         bta_hf_client_scb_disable();
    429     }
    430 }
    431 
    432 /*******************************************************************************
    433 **
    434 ** Function         bta_hf_client_disc_int_res
    435 **
    436 ** Description      This function handles a discovery result when initiator.
    437 **
    438 **
    439 ** Returns          void
    440 **
    441 *******************************************************************************/
    442 void bta_hf_client_disc_int_res(tBTA_HF_CLIENT_DATA *p_data)
    443 {
    444     UINT16 event = BTA_HF_CLIENT_DISC_FAIL_EVT;
    445 
    446     APPL_TRACE_DEBUG ("bta_hf_client_disc_int_res: Status: %d", p_data->disc_result.status);
    447 
    448     /* if found service */
    449     if (p_data->disc_result.status == SDP_SUCCESS ||
    450         p_data->disc_result.status == SDP_DB_FULL)
    451     {
    452         /* get attributes */
    453         if (bta_hf_client_sdp_find_attr())
    454         {
    455             event = BTA_HF_CLIENT_DISC_OK_EVT;
    456         }
    457     }
    458 
    459     /* free discovery db */
    460     bta_hf_client_free_db(p_data);
    461 
    462     /* send ourselves sdp ok/fail event */
    463     bta_hf_client_sm_execute(event, p_data);
    464 }
    465 
    466 /*******************************************************************************
    467 **
    468 ** Function         bta_hf_client_disc_acp_res
    469 **
    470 ** Description      This function handles a discovery result when acceptor.
    471 **
    472 **
    473 ** Returns          void
    474 **
    475 *******************************************************************************/
    476 void bta_hf_client_disc_acp_res(tBTA_HF_CLIENT_DATA *p_data)
    477 {
    478     /* if found service */
    479     if (p_data->disc_result.status == SDP_SUCCESS ||
    480         p_data->disc_result.status == SDP_DB_FULL)
    481     {
    482         /* get attributes */
    483         bta_hf_client_sdp_find_attr();
    484     }
    485 
    486     /* free discovery db */
    487     bta_hf_client_free_db(p_data);
    488 }
    489 
    490 /*******************************************************************************
    491 **
    492 ** Function         bta_hf_client_rfc_data
    493 **
    494 ** Description      Read and process data from RFCOMM.
    495 **
    496 **
    497 ** Returns          void
    498 **
    499 *******************************************************************************/
    500 void bta_hf_client_rfc_data(tBTA_HF_CLIENT_DATA *p_data)
    501 {
    502     UINT16  len;
    503     char    buf[BTA_HF_CLIENT_RFC_READ_MAX];
    504     UNUSED(p_data);
    505 
    506     memset(buf, 0, sizeof(buf));
    507 
    508     /* read data from rfcomm; if bad status, we're done */
    509     while (PORT_ReadData(bta_hf_client_cb.scb.conn_handle, buf, BTA_HF_CLIENT_RFC_READ_MAX, &len) == PORT_SUCCESS)
    510     {
    511         /* if no data, we're done */
    512         if (len == 0)
    513         {
    514             break;
    515         }
    516 
    517         bta_hf_client_at_parse(buf, len);
    518 
    519         /* no more data to read, we're done */
    520         if (len < BTA_HF_CLIENT_RFC_READ_MAX)
    521         {
    522             break;
    523         }
    524     }
    525 }
    526 
    527 /*******************************************************************************
    528 **
    529 ** Function         bta_hf_client_svc_conn_open
    530 **
    531 ** Description      Service level connection opened
    532 **
    533 **
    534 ** Returns          void
    535 **
    536 *******************************************************************************/
    537 void bta_hf_client_svc_conn_open(tBTA_HF_CLIENT_DATA *p_data)
    538 {
    539     tBTA_HF_CLIENT evt;
    540     UNUSED(p_data);
    541 
    542     memset(&evt, 0, sizeof(evt));
    543 
    544     if (!bta_hf_client_cb.scb.svc_conn)
    545     {
    546         /* set state variable */
    547         bta_hf_client_cb.scb.svc_conn = TRUE;
    548 
    549         /* call callback */
    550         evt.conn.peer_feat = bta_hf_client_cb.scb.peer_features;
    551         evt.conn.chld_feat = bta_hf_client_cb.scb.chld_features;
    552 
    553         (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_CONN_EVT, &evt);
    554     }
    555 }
    556 
    557 /*******************************************************************************
    558 **
    559 ** Function         bta_hf_client_cback_ind
    560 **
    561 ** Description      Send indicator callback event to application.
    562 **
    563 ** Returns          void
    564 **
    565 *******************************************************************************/
    566 void bta_hf_client_ind(tBTA_HF_CLIENT_IND_TYPE type, UINT16 value)
    567 {
    568     tBTA_HF_CLIENT evt;
    569 
    570     memset(&evt, 0, sizeof(evt));
    571 
    572     evt.ind.type = type;
    573     evt.ind.value = value;
    574 
    575     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_IND_EVT, &evt);
    576 }
    577 
    578 /*******************************************************************************
    579 **
    580 ** Function         bta_hf_client_evt_val
    581 **
    582 ** Description      Send event to application.
    583 **                  This is a generic helper for events with common data.
    584 **
    585 **
    586 ** Returns          void
    587 **
    588 *******************************************************************************/
    589 void bta_hf_client_evt_val(tBTA_HF_CLIENT_EVT type, UINT16 value)
    590 {
    591     tBTA_HF_CLIENT evt;
    592 
    593     memset(&evt, 0, sizeof(evt));
    594 
    595     evt.val.value = value;
    596 
    597     (*bta_hf_client_cb.p_cback)(type, &evt);
    598 }
    599 
    600 /*******************************************************************************
    601 **
    602 ** Function         bta_hf_client_operator_name
    603 **
    604 ** Description      Send operator name event to application.
    605 **
    606 **
    607 ** Returns          void
    608 **
    609 *******************************************************************************/
    610 void bta_hf_client_operator_name(char *name)
    611 {
    612     tBTA_HF_CLIENT evt;
    613 
    614     memset(&evt, 0, sizeof(evt));
    615 
    616     strlcpy(evt.operator.name, name, BTA_HF_CLIENT_OPERATOR_NAME_LEN + 1);
    617     evt.operator.name[BTA_HF_CLIENT_OPERATOR_NAME_LEN] = '\0';
    618 
    619     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_OPERATOR_NAME_EVT, &evt);
    620 }
    621 
    622 
    623 /*******************************************************************************
    624 **
    625 ** Function         bta_hf_client_clip
    626 **
    627 ** Description      Send CLIP event to application.
    628 **
    629 **
    630 ** Returns          void
    631 **
    632 *******************************************************************************/
    633 void bta_hf_client_clip(char *number)
    634 {
    635     tBTA_HF_CLIENT evt;
    636 
    637     memset(&evt, 0, sizeof(evt));
    638 
    639     strlcpy(evt.number.number, number, BTA_HF_CLIENT_NUMBER_LEN + 1);
    640     evt.number.number[BTA_HF_CLIENT_NUMBER_LEN] = '\0';
    641 
    642     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_CLIP_EVT, &evt);
    643 }
    644 
    645 /*******************************************************************************
    646 **
    647 ** Function         bta_hf_client_ccwa
    648 **
    649 ** Description      Send CLIP event to application.
    650 **
    651 **
    652 ** Returns          void
    653 **
    654 *******************************************************************************/
    655 void bta_hf_client_ccwa(char *number)
    656 {
    657     tBTA_HF_CLIENT evt;
    658 
    659     memset(&evt, 0, sizeof(evt));
    660 
    661     strlcpy(evt.number.number, number, BTA_HF_CLIENT_NUMBER_LEN + 1);
    662     evt.number.number[BTA_HF_CLIENT_NUMBER_LEN] = '\0';
    663 
    664     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_CCWA_EVT, &evt);
    665 }
    666 
    667 /*******************************************************************************
    668 **
    669 ** Function         bta_hf_client_at_result
    670 **
    671 ** Description      Send AT result event to application.
    672 **
    673 **
    674 ** Returns          void
    675 **
    676 *******************************************************************************/
    677 void bta_hf_client_at_result(tBTA_HF_CLIENT_AT_RESULT_TYPE type, UINT16 cme)
    678 {
    679     tBTA_HF_CLIENT evt;
    680 
    681     memset(&evt, 0, sizeof(evt));
    682 
    683     evt.result.type = type;
    684     evt.result.cme = cme;
    685 
    686     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_AT_RESULT_EVT, &evt);
    687 }
    688 
    689 /*******************************************************************************
    690 **
    691 ** Function         bta_hf_client_clcc
    692 **
    693 ** Description      Send clcc event to application.
    694 **
    695 **
    696 ** Returns          void
    697 **
    698 *******************************************************************************/
    699 void bta_hf_client_clcc(UINT32 idx, BOOLEAN incoming, UINT8 status, BOOLEAN mpty, char *number)
    700 {
    701     tBTA_HF_CLIENT evt;
    702 
    703     memset(&evt, 0, sizeof(evt));
    704 
    705     evt.clcc.idx = idx;
    706     evt.clcc.inc = incoming;
    707     evt.clcc.status = status;
    708     evt.clcc.mpty = mpty;
    709 
    710     if (number)
    711     {
    712         evt.clcc.number_present = TRUE;
    713         strlcpy(evt.clcc.number, number, BTA_HF_CLIENT_NUMBER_LEN + 1);
    714         evt.clcc.number[BTA_HF_CLIENT_NUMBER_LEN] = '\0';
    715     }
    716 
    717     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_CLCC_EVT, &evt);
    718 }
    719 
    720 /*******************************************************************************
    721 **
    722 ** Function         bta_hf_client_cnum
    723 **
    724 ** Description      Send cnum event to application.
    725 **
    726 **
    727 ** Returns          void
    728 **
    729 *******************************************************************************/
    730 void bta_hf_client_cnum(char *number, UINT16 service)
    731 {
    732     tBTA_HF_CLIENT evt;
    733 
    734     memset(&evt, 0, sizeof(evt));
    735 
    736     evt.cnum.service = service;
    737     strlcpy(evt.cnum.number, number, BTA_HF_CLIENT_NUMBER_LEN + 1);
    738     evt.cnum.number[BTA_HF_CLIENT_NUMBER_LEN] = '\0';
    739 
    740     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_CNUM_EVT, &evt);
    741 }
    742 
    743 /*******************************************************************************
    744 **
    745 ** Function         bta_hf_client_binp
    746 **
    747 ** Description      Send BINP event to application.
    748 **
    749 **
    750 ** Returns          void
    751 **
    752 *******************************************************************************/
    753 void bta_hf_client_binp(char *number)
    754 {
    755     tBTA_HF_CLIENT evt;
    756 
    757     memset(&evt, 0, sizeof(evt));
    758 
    759     strlcpy(evt.number.number, number, BTA_HF_CLIENT_NUMBER_LEN + 1);
    760     evt.number.number[BTA_HF_CLIENT_NUMBER_LEN] = '\0';
    761 
    762     (*bta_hf_client_cb.p_cback)(BTA_HF_CLIENT_BINP_EVT, &evt);
    763 }
    764