diff options
Diffstat (limited to 'bta/ag/bta_ag_main.c')
| -rw-r--r-- | bta/ag/bta_ag_main.c | 126 |
1 files changed, 69 insertions, 57 deletions
diff --git a/bta/ag/bta_ag_main.c b/bta/ag/bta_ag_main.c index 1a3bf71..9b28067 100644 --- a/bta/ag/bta_ag_main.c +++ b/bta/ag/bta_ag_main.c @@ -1,14 +1,26 @@ -/***************************************************************************** -** -** Name: bta_ag_main.c -** -** Description: This is the main implementation file for the BTA -** audio gateway. -** -** Copyright (c) 2003-2005, Widcomm Inc., All Rights Reserved. -** Widcomm Bluetooth Core. Proprietary and confidential. -** -*****************************************************************************/ +/****************************************************************************** + * + * Copyright (C) 2003-2012 Broadcom Corporation + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ******************************************************************************/ + +/****************************************************************************** + * + * This is the main implementation file for the BTA audio gateway. + * + ******************************************************************************/ #include <string.h> #include "bta_api.h" @@ -41,10 +53,10 @@ enum /* state machine action enumeration list */ enum { - BTA_AG_REGISTER, + BTA_AG_REGISTER, BTA_AG_DEREGISTER, BTA_AG_START_OPEN, - BTA_AG_RFC_DO_OPEN, + BTA_AG_RFC_DO_OPEN, BTA_AG_RFC_DO_CLOSE, BTA_AG_START_DEREG, BTA_AG_START_CLOSE, @@ -55,7 +67,7 @@ enum BTA_AG_RFC_FAIL, BTA_AG_RFC_DATA, BTA_AG_DISC_INT_RES, - BTA_AG_DISC_FAIL, + BTA_AG_DISC_FAIL, BTA_AG_DISC_ACP_RES, BTA_AG_FREE_DB, BTA_AG_SCO_CONN_OPEN, @@ -66,7 +78,7 @@ enum BTA_AG_SCO_SHUTDOWN, BTA_AG_POST_SCO_OPEN, BTA_AG_POST_SCO_CLOSE, - BTA_AG_SVC_CONN_OPEN, + BTA_AG_SVC_CONN_OPEN, BTA_AG_RESULT, BTA_AG_SETCODEC, BTA_AG_SEND_RING, @@ -84,10 +96,10 @@ typedef void (*tBTA_AG_ACTION)(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data); /* action functions */ const tBTA_AG_ACTION bta_ag_action[] = { - bta_ag_register, + bta_ag_register, bta_ag_deregister, bta_ag_start_open, - bta_ag_rfc_do_open, + bta_ag_rfc_do_open, bta_ag_rfc_do_close, bta_ag_start_dereg, bta_ag_start_close, @@ -98,7 +110,7 @@ const tBTA_AG_ACTION bta_ag_action[] = bta_ag_rfc_fail, bta_ag_rfc_data, bta_ag_disc_int_res, - bta_ag_disc_fail, + bta_ag_disc_fail, bta_ag_disc_acp_res, bta_ag_free_db, bta_ag_sco_conn_open, @@ -265,9 +277,9 @@ tBTA_AG_CB bta_ag_cb; ** Function bta_ag_timer_cback ** ** Description AG timer callback. -** ** -** Returns void +** +** Returns void ** *******************************************************************************/ static void bta_ag_timer_cback(void *p) @@ -288,7 +300,7 @@ static void bta_ag_timer_cback(void *p) ** Function bta_ag_scb_alloc ** ** Description Allocate an AG service control block. -** +** ** ** Returns pointer to the scb, or NULL if none could be allocated. ** @@ -314,7 +326,7 @@ static tBTA_AG_SCB *bta_ag_scb_alloc(void) break; } } - + if (i == BTA_AG_NUM_SCB) { /* out of scbs */ @@ -329,7 +341,7 @@ static tBTA_AG_SCB *bta_ag_scb_alloc(void) ** Function bta_ag_scb_dealloc ** ** Description Deallocate a service control block. -** +** ** ** Returns void ** @@ -338,15 +350,15 @@ void bta_ag_scb_dealloc(tBTA_AG_SCB *p_scb) { UINT8 idx; BOOLEAN allocated = FALSE; - + APPL_TRACE_DEBUG1("bta_ag_scb_dealloc %d", bta_ag_scb_to_idx(p_scb)); - + /* stop timers */ bta_sys_stop_timer(&p_scb->act_timer); #if (BTM_WBS_INCLUDED == TRUE) bta_sys_stop_timer(&p_scb->cn_timer); #endif - + /* initialize control block */ memset(p_scb, 0, sizeof(tBTA_AG_SCB)); p_scb->sco_idx = BTM_INVALID_SCO_INDEX; @@ -368,7 +380,7 @@ void bta_ag_scb_dealloc(tBTA_AG_SCB *p_scb) (*bta_ag_cb.p_cback)(BTA_AG_DISABLE_EVT, NULL); } } - + } /******************************************************************************* @@ -376,7 +388,7 @@ void bta_ag_scb_dealloc(tBTA_AG_SCB *p_scb) ** Function bta_ag_scb_to_idx ** ** Description Given a pointer to an scb, return its index. -** +** ** ** Returns Index of scb. ** @@ -392,7 +404,7 @@ UINT16 bta_ag_scb_to_idx(tBTA_AG_SCB *p_scb) ** Function bta_ag_scb_by_idx ** ** Description Given an scb index return pointer to scb. -** +** ** ** Returns Pointer to scb or NULL if not allocated. ** @@ -424,7 +436,7 @@ tBTA_AG_SCB *bta_ag_scb_by_idx(UINT16 idx) ** Function bta_ag_service_to_idx ** ** Description Given a BTA service mask convert to profile index. -** +** ** ** Returns Profile ndex of scb. ** @@ -446,7 +458,7 @@ UINT8 bta_ag_service_to_idx(tBTA_SERVICE_MASK services) ** Function bta_ag_idx_by_bdaddr ** ** Description Find SCB associated with peer BD address. -** +** ** ** Returns Index of SCB or zero if none found. ** @@ -468,7 +480,7 @@ UINT16 bta_ag_idx_by_bdaddr(BD_ADDR peer_addr) } /* no scb found */ - APPL_TRACE_WARNING0("No ag scb for peer addr"); + APPL_TRACE_WARNING0("No ag scb for peer addr"); return 0; } @@ -477,7 +489,7 @@ UINT16 bta_ag_idx_by_bdaddr(BD_ADDR peer_addr) ** Function bta_ag_other_scb_open ** ** Description Check whether any other scb is in open state. -** +** ** ** Returns TRUE if another scb is in open state, FALSE otherwise. ** @@ -496,7 +508,7 @@ BOOLEAN bta_ag_other_scb_open(tBTA_AG_SCB *p_curr_scb) } /* no other scb found */ - APPL_TRACE_DEBUG0("No other ag scb open"); + APPL_TRACE_DEBUG0("No other ag scb open"); return FALSE; } @@ -505,7 +517,7 @@ BOOLEAN bta_ag_other_scb_open(tBTA_AG_SCB *p_curr_scb) ** Function bta_ag_get_other_idle_scb ** ** Description Return other scb if it is in INIT st. -** +** ** ** Returns Pointer to other scb if INIT st, NULL otherwise. ** @@ -524,7 +536,7 @@ tBTA_AG_SCB *bta_ag_get_other_idle_scb (tBTA_AG_SCB *p_curr_scb) } /* no other scb found */ - APPL_TRACE_DEBUG0("bta_ag_get_other_idle_scb: No idle AG scb"); + APPL_TRACE_DEBUG0("bta_ag_get_other_idle_scb: No idle AG scb"); return NULL; } @@ -533,9 +545,9 @@ tBTA_AG_SCB *bta_ag_get_other_idle_scb (tBTA_AG_SCB *p_curr_scb) ** Function bta_ag_colli_timer_cback ** ** Description AG connection collision timer callback -** ** -** Returns void +** +** Returns void ** *******************************************************************************/ static void bta_ag_colli_timer_cback (TIMER_LIST_ENT *p_tle) @@ -564,12 +576,12 @@ static void bta_ag_colli_timer_cback (TIMER_LIST_ENT *p_tle) ** Function bta_ag_collision_cback ** ** Description Get notified about collision. -** +** ** ** Returns void ** *******************************************************************************/ -void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, +void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, UINT8 app_id, BD_ADDR peer_addr) { UINT16 handle; @@ -578,7 +590,7 @@ void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, /* Check if we have opening scb for the peer device. */ handle = bta_ag_idx_by_bdaddr (peer_addr); p_scb = bta_ag_scb_by_idx (handle); - + if (p_scb && (p_scb->state == BTA_AG_OPENING_ST)) { if (id == BTA_ID_SYS) /* ACL collision */ @@ -593,9 +605,9 @@ void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, { APPL_TRACE_WARNING0 ("AG found collision (\?\?\?) ..."); } - + p_scb->state = BTA_AG_INIT_ST; - + /* Cancel SDP if it had been started. */ if(p_scb->p_disc_db) { @@ -614,7 +626,7 @@ void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, bta_sys_start_timer(&p_scb->colli_timer, 0, BTA_AG_COLLISION_TIMER); p_scb->colli_tmr_on = TRUE; } - + } /******************************************************************************* @@ -622,7 +634,7 @@ void bta_ag_collision_cback (tBTA_SYS_CONN_STATUS status, UINT8 id, ** Function bta_ag_resume_open ** ** Description Resume opening process. -** +** ** ** Returns void ** @@ -651,7 +663,7 @@ void bta_ag_resume_open (tBTA_AG_SCB *p_scb) ** Function bta_ag_api_enable ** ** Description Handle an API enable event. -** +** ** ** Returns void ** @@ -669,7 +681,7 @@ static void bta_ag_api_enable(tBTA_AG_DATA *p_data) bta_ag_co_init(); bta_sys_collision_register (BTA_ID_AG, bta_ag_collision_cback); - + /* call callback with enable event */ (*bta_ag_cb.p_cback)(BTA_AG_ENABLE_EVT, NULL); } @@ -679,7 +691,7 @@ static void bta_ag_api_enable(tBTA_AG_DATA *p_data) ** Function bta_ag_api_disable ** ** Description Handle an API disable event. -** +** ** ** Returns void ** @@ -696,12 +708,12 @@ static void bta_ag_api_disable(tBTA_AG_DATA *p_data) APPL_TRACE_ERROR0("BTA AG is already disabled, ignoring ..."); return; } - + /* De-register with BTA system manager */ GKI_sched_lock(); bta_sys_deregister(BTA_ID_AG); GKI_sched_unlock(); - + for (i = 0; i < BTA_AG_NUM_SCB; i++, p_scb++) { if (p_scb->in_use) @@ -725,7 +737,7 @@ static void bta_ag_api_disable(tBTA_AG_DATA *p_data) ** Function bta_ag_api_register ** ** Description Handle an API event registers a new service. -** +** ** ** Returns void ** @@ -752,7 +764,7 @@ static void bta_ag_api_register(tBTA_AG_DATA *p_data) ** Function bta_ag_api_result ** ** Description Handle an API result event. -** +** ** ** Returns void ** @@ -786,7 +798,7 @@ static void bta_ag_api_result(tBTA_AG_DATA *p_data) ** Function bta_ag_sm_execute ** ** Description State machine event handling function for AG -** +** ** ** Returns void ** @@ -806,7 +818,7 @@ void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data) { APPL_TRACE_EVENT5("AG evt (hdl 0x%04x): State %d (%s), Event 0x%04x (%s)", bta_ag_scb_to_idx(p_scb), - p_scb->state, bta_ag_state_str(p_scb->state), + p_scb->state, bta_ag_state_str(p_scb->state), event, bta_ag_evt_str(event, p_data->api_result.result)); } #else @@ -819,7 +831,7 @@ void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data) { APPL_TRACE_ERROR0("AG evt out of range, ignoring..."); return; - } + } /* look up the state table for the current state */ state_table = bta_ag_st_tbl[p_scb->state]; @@ -855,7 +867,7 @@ void bta_ag_sm_execute(tBTA_AG_SCB *p_scb, UINT16 event, tBTA_AG_DATA *p_data) ** Function bta_ag_hdl_event ** ** Description Data gateway main event handling function. -** +** ** ** Returns BOOLEAN ** @@ -894,7 +906,7 @@ BOOLEAN bta_ag_hdl_event(BT_HDR *p_msg) } break; } - return TRUE; + return TRUE; } #if BTA_AG_DEBUG == TRUE |