1. Bugfix for AG audio crash (change the return position) 2. Fix the error macro name and error return in hfp_hf demo 3. Fix the annotation error using UTF-8 ' (from Github) 4. Change or remove the log in SCO related code region. 5. Correct error of introduction of a function.
1767 lines
No EOL
60 KiB
C
1767 lines
No EOL
60 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2004-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* This file contains functions for managing the SCO connection used in AG.
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*
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******************************************************************************/
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#include <stddef.h>
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#include "bta_ag_int.h"
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#include "bta/bta_api.h"
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#include "bta/bta_ag_api.h"
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#include "bta/bta_ag_co.h"
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#include "bta/bta_hfp_defs.h"
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#if (BTM_SCO_HCI_INCLUDED == TRUE )
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#include "bta/bta_dm_co.h"
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#include "hci/hci_audio.h"
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#endif
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#include "bta/utl.h"
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#include "stack/btm_api.h"
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#include "common/bt_trace.h"
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#include "osi/allocator.h"
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#if (BTA_AG_INCLUDED == TRUE)
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#ifndef BTA_AG_CODEC_NEGO_TIMEOUT
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#define BTA_AG_CODEC_NEGO_TIMEOUT 3000
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#endif
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static char *bta_ag_sco_evt_str(UINT8 event);
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static char *bta_ag_sco_state_str(UINT8 state);
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#define BTA_AG_NO_EDR_ESCO (BTM_SCO_PKT_TYPES_MASK_NO_2_EV3 | \
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BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 | \
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BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 | \
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BTM_SCO_PKT_TYPES_MASK_NO_3_EV5)
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/* sco events */
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enum
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{
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BTA_AG_SCO_LISTEN_E, /* listen request */
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BTA_AG_SCO_OPEN_E, /* open request */
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BTA_AG_SCO_XFER_E, /* transfer request */
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#if (BTM_WBS_INCLUDED == TRUE)
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BTA_AG_SCO_CN_DONE_E, /* codec negotiation done */
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BTA_AG_SCO_REOPEN_E, /* Retry with other codec when failed */
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#endif
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BTA_AG_SCO_CLOSE_E, /* close request */
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BTA_AG_SCO_SHUTDOWN_E, /* shutdown request */
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BTA_AG_SCO_CONN_OPEN_E, /* sco open */
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BTA_AG_SCO_CONN_CLOSE_E, /* sco closed */
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BTA_AG_SCO_CI_DATA_E /* SCO data ready */
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};
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#if (BTM_WBS_INCLUDED == TRUE)
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#define BTA_AG_NUM_CODECS 3
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#define BTA_AG_ESCO_SETTING_IDX_CVSD 0 /* eSCO setting for CVSD */
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#define BTA_AG_ESCO_SETTING_IDX_T1 1 /* eSCO setting for mSBC T1 */
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#define BTA_AG_ESCO_SETTING_IDX_T2 2 /* eSCO setting for mSBC T2 */
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static const tBTM_ESCO_PARAMS bta_ag_esco_params[BTA_AG_NUM_CODECS] =
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{
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/* CVSD */
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{
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BTM_64KBITS_RATE, /* TX Bandwidth (64 kbits/sec) */
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BTM_64KBITS_RATE, /* RX Bandwidth (64 kbits/sec) */
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0x000a, /* 10 ms (HS/HF can use EV3, 2-EV3, 3-EV3) */
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BTM_VOICE_SETTING_CVSD, /* Inp Linear, Air CVSD, 2s Comp, 16bit */
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(BTM_SCO_PKT_TYPES_MASK_HV1 + /* Packet Types */
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BTM_SCO_PKT_TYPES_MASK_HV2 +
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BTM_SCO_PKT_TYPES_MASK_HV3 +
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BTM_SCO_PKT_TYPES_MASK_EV3 +
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BTM_SCO_PKT_TYPES_MASK_EV4 +
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BTM_SCO_PKT_TYPES_MASK_EV5 +
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BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 +
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BTM_SCO_PKT_TYPES_MASK_NO_3_EV5),
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BTM_ESCO_RETRANS_POWER /* Retransmission effort */
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},
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/* mSBC T1 */
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{
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BTM_64KBITS_RATE, /* TX Bandwidth (64 kbits/sec), 8000 */
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BTM_64KBITS_RATE, /* RX Bandwidth (64 kbits/sec), 8000 */
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8, /* 8 ms */
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BTM_VOICE_SETTING_TRANS, /* Inp Linear, Transparent, 2s Comp, 16bit */
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(BTM_SCO_PKT_TYPES_MASK_EV3 | /* Packet Types : EV3 + NO_2_EV3 */
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BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 |
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BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 |
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BTM_SCO_PKT_TYPES_MASK_NO_3_EV5 |
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BTM_SCO_PKT_TYPES_MASK_NO_2_EV3 ),
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BTM_ESCO_RETRANS_QUALITY /* Retransmission effort */
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},
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/* mSBC T2*/
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{
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BTM_64KBITS_RATE, /* TX Bandwidth (64 kbits/sec), 8000 */
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BTM_64KBITS_RATE, /* RX Bandwidth (64 kbits/sec), 8000 */
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13, /* 13 ms */
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BTM_VOICE_SETTING_TRANS, /* Inp Linear, Transparent, 2s Comp, 16bit */
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(BTM_SCO_PKT_TYPES_MASK_EV3 | /* Packet Types : EV3 + 2-EV3 */
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BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 |
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BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 |
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BTM_SCO_PKT_TYPES_MASK_NO_3_EV5),
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BTM_ESCO_RETRANS_QUALITY /* Retransmission effort */
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}
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};
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#else
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/* WBS not included, CVSD by default */
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static const tBTM_ESCO_PARAMS bta_ag_esco_params =
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{
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BTM_64KBITS_RATE, /* TX Bandwidth (64 kbits/sec) */
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BTM_64KBITS_RATE, /* RX Bandwidth (64 kbits/sec) */
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0x000a, /* 10 ms (HS/HF can use EV3, 2-EV3, 3-EV3) */
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0x0060, /* Inp Linear, Air CVSD, 2s Comp, 16bit */
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(BTM_SCO_PKT_TYPES_MASK_HV1 + /* Packet Types */
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BTM_SCO_PKT_TYPES_MASK_HV2 +
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BTM_SCO_PKT_TYPES_MASK_HV3 +
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BTM_SCO_PKT_TYPES_MASK_EV3 +
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BTM_SCO_PKT_TYPES_MASK_EV4 +
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BTM_SCO_PKT_TYPES_MASK_EV5 +
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BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 +
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BTM_SCO_PKT_TYPES_MASK_NO_3_EV5),
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BTM_ESCO_RETRANS_POWER /* Retransmission effort */
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};
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#endif
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/*******************************************************************************
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**
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** Function bta_ag_sco_conn_cback
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**
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** Description BTM SCO connection callback.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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static void bta_ag_sco_conn_cback(UINT16 sco_idx)
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{
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UINT16 handle;
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BT_HDR *p_buf;
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tBTA_AG_SCB *p_scb = &bta_ag_cb.scb[0];
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tBTM_ESCO_DATA sco_data;
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APPL_TRACE_DEBUG("%s %d", __FUNCTION__, sco_idx);
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/* match callback to scb; first check current sco scb */
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if (bta_ag_cb.sco.p_curr_scb != NULL && bta_ag_cb.sco.p_curr_scb->in_use)
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{
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handle = bta_ag_scb_to_idx(bta_ag_cb.sco.p_curr_scb);
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}
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/* then check for scb connected to this peer */
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else
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{
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/* Check if SLC is up */
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handle = bta_ag_idx_by_bdaddr(BTM_ReadScoBdAddr(sco_idx));
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p_scb = bta_ag_scb_by_idx(handle);
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if(p_scb && !p_scb->svc_conn)
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handle = 0;
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}
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if (handle != 0)
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{
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BTM_ReadEScoLinkParms(sco_idx, &sco_data);
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p_scb->link_type = sco_data.link_type;
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p_scb->tx_interval = sco_data.tx_interval;
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p_scb->retrans_window = sco_data.retrans_window;
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p_scb->air_mode = sco_data.air_mode;
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if (sco_data.air_mode == BTM_SCO_AIR_MODE_CVSD)
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{
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p_scb->out_pkt_len = sco_data.tx_pkt_len * 2;
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p_scb->in_pkt_len = sco_data.rx_pkt_len * 2;
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}
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else {
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p_scb->out_pkt_len = sco_data.tx_pkt_len;
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p_scb->in_pkt_len = sco_data.rx_pkt_len;
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}
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if ((p_buf = (BT_HDR *) osi_malloc(sizeof(BT_HDR))) != NULL)
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{
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p_buf->event = BTA_AG_SCO_OPEN_EVT;
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p_buf->layer_specific = handle;
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bta_sys_sendmsg(p_buf);
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}
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}
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/* no match found; disconnect sco, init sco variables */
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else
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{
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bta_ag_cb.sco.p_curr_scb = NULL;
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bta_ag_cb.sco.state = BTA_AG_SCO_SHUTDOWN_ST;
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BTM_RemoveSco(sco_idx);
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}
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}
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/*******************************************************************************
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**
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** Function bta_ag_sco_disc_cback
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**
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** Description BTM SCO disconnection callback.
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**
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**
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** Returns void
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**
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*******************************************************************************/
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static void bta_ag_sco_disc_cback(UINT16 sco_idx)
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{
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BT_HDR *p_buf;
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UINT16 handle = 0;
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APPL_TRACE_DEBUG ("bta_ag_sco_disc_cback(): sco_idx: 0x%x p_cur_scb: 0x%08x sco.state: %d", (unsigned int)sco_idx, (unsigned int)bta_ag_cb.sco.p_curr_scb, (unsigned int)bta_ag_cb.sco.state);
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APPL_TRACE_DEBUG ("bta_ag_sco_disc_cback(): scb[0] addr: 0x%08x in_use: %u sco_idx: 0x%x sco state: %u",
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(unsigned int) &bta_ag_cb.scb[0], (unsigned int)bta_ag_cb.scb[0].in_use, (unsigned int)bta_ag_cb.scb[0].sco_idx, (unsigned int)bta_ag_cb.scb[0].state);
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APPL_TRACE_DEBUG ("bta_ag_sco_disc_cback(): scb[1] addr: 0x%08x in_use: %u sco_idx: 0x%x sco state: %u",
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(unsigned int) &bta_ag_cb.scb[1], (unsigned int) bta_ag_cb.scb[1].in_use, (unsigned int) bta_ag_cb.scb[1].sco_idx, (unsigned int) bta_ag_cb.scb[1].state);
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/* match callback to scb */
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if (bta_ag_cb.sco.p_curr_scb != NULL && bta_ag_cb.sco.p_curr_scb->in_use)
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{
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/* We only care about callbacks for the active SCO */
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if (bta_ag_cb.sco.p_curr_scb->sco_idx != sco_idx)
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{
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if (bta_ag_cb.sco.p_curr_scb->sco_idx != 0xFFFF)
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return;
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}
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handle = bta_ag_scb_to_idx(bta_ag_cb.sco.p_curr_scb);
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}
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if (handle != 0)
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{
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#if (BTM_SCO_HCI_INCLUDED == TRUE )
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tBTM_STATUS status = BTM_ConfigScoPath(BTM_SCO_ROUTE_PCM, NULL, NULL, TRUE);
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APPL_TRACE_DEBUG("bta_ag_sco_disc_cback sco close config status = %d", status);
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/* SCO clean up here */
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bta_ag_sco_co_close();
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#endif
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#if (BTM_WBS_INCLUDED == TRUE )
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/* Restore settings */
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if(bta_ag_cb.sco.p_curr_scb->inuse_codec == BTA_AG_CODEC_MSBC)
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{
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/* set_sco_codec(BTM_SCO_CODEC_NONE); we should get a close */
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BTM_WriteVoiceSettings (BTM_VOICE_SETTING_CVSD);
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/* If SCO open was initiated by AG and failed for mSBC, then attempt
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mSBC with T1 settings i.e. 'Safe Settings'. If this fails, then switch to CVSD */
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if (bta_ag_sco_is_opening (bta_ag_cb.sco.p_curr_scb))
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{
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if (bta_ag_cb.sco.p_curr_scb->codec_msbc_settings == BTA_AG_SCO_MSBC_SETTINGS_T2)
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{
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APPL_TRACE_DEBUG("Fallback to mSBC T1 settings");
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bta_ag_cb.sco.p_curr_scb->codec_msbc_settings = BTA_AG_SCO_MSBC_SETTINGS_T1;
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}
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else
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{
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APPL_TRACE_DEBUG("Fallback to CVSD settings");
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bta_ag_cb.sco.p_curr_scb->codec_fallback = TRUE;
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}
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}
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}
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bta_ag_cb.sco.p_curr_scb->inuse_codec = BTA_AG_CODEC_NONE;
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#endif
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if ((p_buf = (BT_HDR *) osi_malloc(sizeof(BT_HDR))) != NULL)
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{
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p_buf->event = BTA_AG_SCO_CLOSE_EVT;
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p_buf->layer_specific = handle;
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bta_sys_sendmsg(p_buf);
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}
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}
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/* no match found */
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else
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{
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APPL_TRACE_DEBUG("no scb for ag_sco_disc_cback");
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/* sco could be closed after scb dealloc'ed */
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if (bta_ag_cb.sco.p_curr_scb != NULL)
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{
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bta_ag_cb.sco.p_curr_scb->sco_idx = BTM_INVALID_SCO_INDEX;
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bta_ag_cb.sco.p_curr_scb = NULL;
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bta_ag_cb.sco.state = BTA_AG_SCO_SHUTDOWN_ST;
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}
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}
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}
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#if (BTM_SCO_HCI_INCLUDED == TRUE )
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/*******************************************************************************
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**
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** Function bta_ag_sco_read_cback
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**
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** Description Callback function is the callback function for incoming
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** SCO data over HCI.
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**
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** Returns void
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**
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*******************************************************************************/
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static void bta_ag_sco_read_cback(UINT16 sco_inx, BT_HDR *p_data, tBTM_SCO_DATA_FLAG status)
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{
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if (status != BTM_SCO_DATA_CORRECT)
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{
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APPL_TRACE_WARNING("bta_ag_sco_read_cback: status(%d)", status);
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}
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/* Callout function must free the data. */
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bta_ag_sco_co_in_data(p_data, status);
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osi_free(p_data);
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}
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#endif
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/*******************************************************************************
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**
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** Function bta_ag_remove_sco
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**
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** Description Removes the specified SCO from the system.
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** If only_active is TRUE, then SCO is only removed if connected
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**
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** Returns BOOLEAN - TRUE if Sco removal was started
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**
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*******************************************************************************/
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static BOOLEAN bta_ag_remove_sco(tBTA_AG_SCB *p_scb, BOOLEAN only_active)
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{
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BOOLEAN removed_started = FALSE;
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tBTM_STATUS status;
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if (p_scb->sco_idx != BTM_INVALID_SCO_INDEX)
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{
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if (!only_active || p_scb->sco_idx == bta_ag_cb.sco.cur_idx)
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{
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status = BTM_RemoveSco(p_scb->sco_idx);
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APPL_TRACE_DEBUG("ag remove sco: inx 0x%04x, status:0x%x", p_scb->sco_idx, status);
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if (status == BTM_CMD_STARTED)
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{
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/* Sco is connected; set current control block */
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bta_ag_cb.sco.p_curr_scb = p_scb;
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removed_started = TRUE;
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}
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/* If no connection reset the sco handle */
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else if ( (status == BTM_SUCCESS) || (status == BTM_UNKNOWN_ADDR) )
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{
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p_scb->sco_idx = BTM_INVALID_SCO_INDEX;
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}
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}
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}
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return removed_started;
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}
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/*******************************************************************************
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**
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** Function bta_ag_esco_connreq_cback
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**
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** Description BTM eSCO connection requests and eSCO change requests
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** Only the connection requests are processed by BTA.
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**
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** Returns void
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**
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*******************************************************************************/
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static void bta_ag_esco_connreq_cback(tBTM_ESCO_EVT event, tBTM_ESCO_EVT_DATA *p_data)
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{
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tBTA_AG_SCB *p_scb;
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UINT16 handle;
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UINT16 sco_inx = p_data->conn_evt.sco_inx;
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/* Only process connection requests */
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if (event == BTM_ESCO_CONN_REQ_EVT)
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{
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if ((handle = bta_ag_idx_by_bdaddr(BTM_ReadScoBdAddr(sco_inx))) != 0 &&
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((p_scb = bta_ag_scb_by_idx(handle)) != NULL) && p_scb->svc_conn)
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{
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p_scb->sco_idx = sco_inx;
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/* If no other SCO active, allow this one */
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if (!bta_ag_cb.sco.p_curr_scb)
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{
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APPL_TRACE_EVENT("bta_ag_esco_connreq_cback: Accept Conn Request (sco_inx 0x%04x)", sco_inx);
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bta_ag_sco_conn_rsp(p_scb, &p_data->conn_evt);
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bta_ag_cb.sco.state = BTA_AG_SCO_OPENING_ST;
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bta_ag_cb.sco.p_curr_scb = p_scb;
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bta_ag_cb.sco.cur_idx = p_scb->sco_idx;
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}
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else /* Begin a transfer: Close current SCO before responding */
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{
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APPL_TRACE_DEBUG("bta_ag_esco_connreq_cback: Begin XFER");
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bta_ag_cb.sco.p_xfer_scb = p_scb;
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bta_ag_cb.sco.conn_data = p_data->conn_evt;
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bta_ag_cb.sco.state = BTA_AG_SCO_OPEN_XFER_ST;
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|
|
if (!bta_ag_remove_sco(bta_ag_cb.sco.p_curr_scb, TRUE))
|
|
{
|
|
APPL_TRACE_ERROR("bta_ag_esco_connreq_cback: Nothing to remove so accept Conn Request (sco_inx 0x%04x)", sco_inx);
|
|
bta_ag_cb.sco.p_xfer_scb = NULL;
|
|
bta_ag_cb.sco.state = BTA_AG_SCO_LISTEN_ST;
|
|
|
|
bta_ag_sco_conn_rsp(p_scb, &p_data->conn_evt);
|
|
}
|
|
}
|
|
}
|
|
/* If error occurred send reject response immediately */
|
|
else
|
|
{
|
|
APPL_TRACE_WARNING("no scb for bta_ag_esco_connreq_cback or no resources");
|
|
BTM_EScoConnRsp(p_data->conn_evt.sco_inx, HCI_ERR_HOST_REJECT_RESOURCES, NULL);
|
|
}
|
|
}
|
|
/* Received a change in the esco link */
|
|
else if (event == BTM_ESCO_CHG_EVT)
|
|
{
|
|
APPL_TRACE_EVENT("eSCO change event (inx %d): rtrans %d, rxlen %d, txlen %d, txint %d",
|
|
p_data->chg_evt.sco_inx,
|
|
p_data->chg_evt.retrans_window, p_data->chg_evt.rx_pkt_len,
|
|
p_data->chg_evt.tx_pkt_len, p_data->chg_evt.tx_interval);
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_cback_sco
|
|
**
|
|
** Description Call application callback function with SCO event.
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_ag_cback_sco(tBTA_AG_SCB *p_scb, UINT8 event)
|
|
{
|
|
tBTA_AG_HDR sco;
|
|
|
|
sco.handle = bta_ag_scb_to_idx(p_scb);
|
|
sco.app_id = p_scb->app_id;
|
|
|
|
/* call close cback */
|
|
(*bta_ag_cb.p_cback)(event, (tBTA_AG *) &sco);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_create_sco
|
|
**
|
|
** Description Create a sco connection and is is_orig is TRUE means AG originate
|
|
** this connection, if FALSE it's peer device originate the connection.
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_ag_create_sco(tBTA_AG_SCB *p_scb, BOOLEAN is_orig)
|
|
{
|
|
tBTM_STATUS status;
|
|
UINT8 *p_bd_addr = NULL;
|
|
tBTM_ESCO_PARAMS params;
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
tBTA_AG_PEER_CODEC esco_codec = BTM_SCO_CODEC_CVSD;
|
|
int codec_index = 0;
|
|
#endif
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
tBTM_SCO_ROUTE_TYPE sco_route;
|
|
tBTA_HFP_CODEC_INFO codec_info = {BTA_HFP_SCO_CODEC_PCM};
|
|
UINT32 pcm_sample_rate;
|
|
#endif
|
|
|
|
/* Make sure this sco handle is not already in use */
|
|
if (p_scb->sco_idx != BTM_INVALID_SCO_INDEX)
|
|
{
|
|
APPL_TRACE_WARNING("bta_ag_create_sco: Index 0x%04x Already In Use!",
|
|
p_scb->sco_idx);
|
|
return;
|
|
}
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
|
|
if ((p_scb->sco_codec == BTM_SCO_CODEC_MSBC) && !p_scb->codec_fallback && !p_scb->retry_with_sco_only)
|
|
{
|
|
esco_codec = BTM_SCO_CODEC_MSBC;
|
|
}
|
|
if (p_scb->codec_fallback)
|
|
{
|
|
p_scb->codec_fallback = FALSE;
|
|
/* Force AG to send +BCS for the next audio connection. */
|
|
p_scb->codec_updated = TRUE;
|
|
}
|
|
/* If WBS included, use CVSD by default, index is 0 for CVSD by initialization */
|
|
/* If eSCO codec is mSBC, index is T2 or T1 */
|
|
if (esco_codec == BTM_SCO_CODEC_MSBC)
|
|
{
|
|
if (p_scb->codec_msbc_settings == BTA_AG_SCO_MSBC_SETTINGS_T2)
|
|
{
|
|
codec_index = BTA_AG_ESCO_SETTING_IDX_T2;
|
|
}
|
|
else
|
|
{
|
|
codec_index = BTA_AG_ESCO_SETTING_IDX_T1;
|
|
}
|
|
}
|
|
params = bta_ag_esco_params[codec_index];
|
|
#else
|
|
/* When WBS is not included, use CVSD by default */
|
|
params = bta_ag_esco_params;
|
|
#endif
|
|
|
|
if(bta_ag_cb.sco.param_updated) /* If we do not use the default parameters */
|
|
params = bta_ag_cb.sco.params;
|
|
|
|
if(!bta_ag_cb.sco.param_updated)
|
|
{
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
if (esco_codec == BTM_SCO_CODEC_CVSD) /* For CVSD */
|
|
#endif
|
|
{
|
|
/* Use the application packet types (5 slot EV packets not allowed) */
|
|
params.packet_types = p_bta_ag_cfg->sco_pkt_types |
|
|
BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 |
|
|
BTM_SCO_PKT_TYPES_MASK_NO_3_EV5;
|
|
}
|
|
}
|
|
|
|
/* if initiating, set current scb and peer bd addr */
|
|
if (is_orig)
|
|
{
|
|
/* Attempt to use eSCO if remote host supports HFP >= 1.5 */
|
|
/* Need to find out from SIG if HSP can use eSCO; for now use SCO */
|
|
if (p_scb->conn_service == BTA_AG_HFP && p_scb->peer_version >= HFP_VERSION_1_5 && !p_scb->retry_with_sco_only)
|
|
{
|
|
BTM_SetEScoMode(BTM_LINK_TYPE_ESCO, ¶ms);
|
|
/* If ESCO or EDR ESCO, retry with SCO only in case of failure */
|
|
if((params.packet_types & BTM_ESCO_LINK_ONLY_MASK)
|
|
||!((params.packet_types & ~(BTM_ESCO_LINK_ONLY_MASK | BTM_SCO_LINK_ONLY_MASK)) ^ BTA_AG_NO_EDR_ESCO))
|
|
{
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
if (esco_codec != BTA_AG_CODEC_MSBC)
|
|
{
|
|
p_scb->retry_with_sco_only = TRUE;
|
|
APPL_TRACE_API("Setting retry_with_sco_only to TRUE");
|
|
}
|
|
else /* Do not use SCO when using mSBC */
|
|
{
|
|
p_scb->retry_with_sco_only = FALSE;
|
|
APPL_TRACE_API("Setting retry_with_sco_only to FALSE");
|
|
}
|
|
#else
|
|
p_scb->retry_with_sco_only = TRUE;
|
|
APPL_TRACE_API("Setting retry_with_sco_only to TRUE");
|
|
#endif
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(p_scb->retry_with_sco_only){
|
|
APPL_TRACE_API("retrying with SCO only");
|
|
}
|
|
p_scb->retry_with_sco_only = FALSE;
|
|
BTM_SetEScoMode(BTM_LINK_TYPE_SCO, ¶ms);
|
|
}
|
|
|
|
bta_ag_cb.sco.p_curr_scb = p_scb;
|
|
/* tell sys to stop av if any */
|
|
bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
/* Allow any platform specific pre-SCO set up to take place */
|
|
bta_ag_sco_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, SCO_STATE_SETUP, esco_codec);
|
|
|
|
/* This setting may not be necessary */
|
|
/* To be verified with stable 2049 boards */
|
|
if (esco_codec == BTA_AG_CODEC_MSBC)
|
|
BTM_WriteVoiceSettings(BTM_VOICE_SETTING_TRANS);
|
|
else
|
|
BTM_WriteVoiceSettings(BTM_VOICE_SETTING_CVSD);
|
|
/* save the current codec because sco_codec can be updated while SCO is open. */
|
|
p_scb->inuse_codec = esco_codec;
|
|
#else
|
|
/* Allow any platform specific pre-SCO set up to take place */
|
|
bta_ag_sco_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, SCO_STATE_SETUP);
|
|
#endif
|
|
#endif
|
|
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
if (esco_codec == BTA_AG_CODEC_MSBC)
|
|
pcm_sample_rate = BTA_HFP_SCO_SAMP_RATE_16K;
|
|
#endif
|
|
pcm_sample_rate = BTA_HFP_SCO_SAMP_RATE_8K;
|
|
sco_route = bta_ag_sco_co_init(pcm_sample_rate, pcm_sample_rate, &codec_info, p_scb->app_id);
|
|
#endif
|
|
|
|
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
/* initialize SCO setup, no voice setting for AG, data rate <==> sample rate */
|
|
BTM_ConfigScoPath(sco_route, bta_ag_sco_read_cback, NULL, TRUE);
|
|
#endif
|
|
bta_ag_cb.sco.cur_idx = p_scb->sco_idx;
|
|
}
|
|
else{
|
|
p_scb->retry_with_sco_only = FALSE;
|
|
}
|
|
|
|
p_bd_addr = p_scb->peer_addr;
|
|
|
|
status = BTM_CreateSco(p_bd_addr, is_orig, params.packet_types, &p_scb->sco_idx, bta_ag_sco_conn_cback, bta_ag_sco_disc_cback);
|
|
|
|
if (status == BTM_CMD_STARTED)
|
|
{
|
|
if (!is_orig)
|
|
{
|
|
BTM_RegForEScoEvts(p_scb->sco_idx, bta_ag_esco_connreq_cback);
|
|
}
|
|
else /* Initiating the connection, set the current sco handle */
|
|
{
|
|
bta_ag_cb.sco.cur_idx = p_scb->sco_idx;
|
|
}
|
|
}
|
|
|
|
APPL_TRACE_API("ag create sco: orig %d, inx 0x%04x, status 0x%x, pkt types 0x%04x",
|
|
is_orig, p_scb->sco_idx, status, params.packet_types);
|
|
}
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_attempt_msbc_safe_settings
|
|
**
|
|
** Description Checks if ESCO connection needs to be attempted using mSBC T1(safe) settings
|
|
**
|
|
**
|
|
** Returns TRUE if T1 settings has to be used, FALSE otherwise
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_ag_attempt_msbc_safe_settings(tBTA_AG_SCB *p_scb)
|
|
{
|
|
if (p_scb->svc_conn && p_scb->sco_codec == BTM_SCO_CODEC_MSBC &&
|
|
p_scb->codec_msbc_settings == BTA_AG_SCO_MSBC_SETTINGS_T1)
|
|
return TRUE;
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_cn_timer_cback
|
|
**
|
|
** Description
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_ag_cn_timer_cback (TIMER_LIST_ENT *p_tle)
|
|
{
|
|
tBTA_AG_SCB *p_scb;
|
|
|
|
if (p_tle)
|
|
{
|
|
p_scb = (tBTA_AG_SCB *)p_tle->param;
|
|
|
|
if (p_scb)
|
|
{
|
|
/* Announce that codec negotiation failed. */
|
|
bta_ag_sco_codec_nego(p_scb, FALSE);
|
|
|
|
/* call app callback */
|
|
bta_ag_cback_sco(p_scb, BTA_AG_AUDIO_CLOSE_EVT);
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_codec_negotiate
|
|
**
|
|
** Description Initiate codec negotiation by sending AT command.
|
|
** If not necessary, skip negotiation.
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_codec_negotiate(tBTA_AG_SCB *p_scb)
|
|
{
|
|
bta_ag_cb.sco.p_curr_scb = p_scb;
|
|
|
|
if ((p_scb->codec_updated || p_scb->codec_fallback ||
|
|
bta_ag_attempt_msbc_safe_settings(p_scb)) &&
|
|
(p_scb->peer_features & BTA_AG_PEER_FEAT_CODEC))
|
|
{
|
|
/* Change the power mode to Active until sco open is completed. */
|
|
bta_sys_busy(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
|
|
/* Send +BCS to the peer */
|
|
bta_ag_send_bcs(p_scb, NULL);
|
|
|
|
/* Start timer to handle timeout */
|
|
p_scb->cn_timer.p_cback = (TIMER_CBACK*)&bta_ag_cn_timer_cback;
|
|
p_scb->cn_timer.param = (INT32)p_scb;
|
|
bta_sys_start_timer(&p_scb->cn_timer, 0, BTA_AG_CODEC_NEGO_TIMEOUT);
|
|
}
|
|
else
|
|
{
|
|
/* use same codec type as previous SCO connection, skip codec negotiation */
|
|
APPL_TRACE_DEBUG("use same codec type as previous SCO connection,skip codec negotiation");
|
|
bta_ag_sco_codec_nego(p_scb, TRUE);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_event
|
|
**
|
|
** Description AG Sco State Machine
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
static void bta_ag_sco_event(tBTA_AG_SCB *p_scb, UINT8 event)
|
|
{
|
|
tBTA_AG_SCO_CB *p_sco = &bta_ag_cb.sco;
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
tBTA_AG_SCB *p_cn_scb = NULL; /* For codec negotiation */
|
|
#endif
|
|
UINT8 in_state = p_sco->state;
|
|
APPL_TRACE_EVENT("BTA ag sco evt (hdl 0x%04x): State %d (%s), Event %d (%s)",
|
|
p_scb->sco_idx, p_sco->state,
|
|
bta_ag_sco_state_str(p_sco->state), event, bta_ag_sco_evt_str(event));
|
|
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
BT_HDR *p_buf;
|
|
if (event == BTA_AG_SCO_CI_DATA_E)
|
|
{
|
|
UINT16 pkt_offset = 1 + HCI_SCO_PREAMBLE_SIZE;
|
|
UINT16 len_to_send = 0;
|
|
while (TRUE)
|
|
{
|
|
p_buf = osi_calloc(sizeof(BT_HDR) + pkt_offset + p_scb->out_pkt_len);
|
|
if (!p_buf) {
|
|
APPL_TRACE_WARNING("%s, no mem", __FUNCTION__);
|
|
break;
|
|
}
|
|
p_buf->offset = pkt_offset;
|
|
len_to_send = bta_ag_sco_co_out_data(p_buf->data + pkt_offset);
|
|
p_buf->len = len_to_send;
|
|
if (len_to_send == p_scb->out_pkt_len)
|
|
{
|
|
if (p_sco->state == BTA_AG_SCO_OPEN_ST) {
|
|
tBTM_STATUS write_stat = BTM_WriteScoData(p_sco->p_curr_scb->sco_idx, p_buf);
|
|
if (write_stat != BTM_SUCCESS) {
|
|
break;
|
|
}
|
|
else {
|
|
osi_free(p_buf);
|
|
}
|
|
}
|
|
else {
|
|
osi_free(p_buf);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
/* State Machine Start */
|
|
switch (p_sco->state)
|
|
{
|
|
case BTA_AG_SCO_SHUTDOWN_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
/* create sco listen connection */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_SHUTDOWN_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_LISTEN_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
/* create sco listen connection (Additional channel) */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
break;
|
|
|
|
case BTA_AG_SCO_OPEN_E:
|
|
/* remove listening connection */
|
|
bta_ag_remove_sco(p_scb, FALSE);
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
/* start codec negotiation */
|
|
p_sco->state = BTA_AG_SCO_CODEC_ST;
|
|
p_cn_scb = p_scb;
|
|
#else
|
|
/* create sco connection to peer */
|
|
bta_ag_create_sco(p_scb, TRUE);
|
|
p_sco->state = BTA_AG_SCO_OPENING_ST;
|
|
#endif
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
/* remove listening connection */
|
|
bta_ag_remove_sco(p_scb, FALSE);
|
|
|
|
if (p_scb == p_sco->p_curr_scb)
|
|
p_sco->p_curr_scb = NULL;
|
|
|
|
/* If last SCO instance then finish shutting down */
|
|
if (!bta_ag_other_scb_open(p_scb))
|
|
{
|
|
p_sco->state = BTA_AG_SCO_SHUTDOWN_ST;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_CLOSE_E:
|
|
/* remove listening connection */
|
|
/* Ignore the event. We need to keep listening SCO for the active SLC */
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_LISTEN_ST: Ignoring event %d", event);
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* sco failed; create sco listen connection */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_LISTEN_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
case BTA_AG_SCO_CODEC_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
/* create sco listen connection (Additional channel) */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
break;
|
|
|
|
case BTA_AG_SCO_CN_DONE_E:
|
|
/* create sco connection to peer */
|
|
bta_ag_create_sco(p_scb, TRUE);
|
|
p_sco->state = BTA_AG_SCO_OPENING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_XFER_E:
|
|
/* save xfer scb */
|
|
p_sco->p_xfer_scb = p_scb;
|
|
p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
/* remove listening connection */
|
|
bta_ag_remove_sco(p_scb, FALSE);
|
|
|
|
if (p_scb == p_sco->p_curr_scb)
|
|
p_sco->p_curr_scb = NULL;
|
|
|
|
/* If last SCO instance then finish shutting down */
|
|
if (!bta_ag_other_scb_open(p_scb))
|
|
{
|
|
p_sco->state = BTA_AG_SCO_SHUTDOWN_ST;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_CLOSE_E:
|
|
/* sco open is not started yet. just go back to listening */
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* sco failed; create sco listen connection */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_CODEC_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
#endif
|
|
|
|
case BTA_AG_SCO_OPENING_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
/* second headset has now joined */
|
|
/* create sco listen connection (Additional channel) */
|
|
if (p_scb != p_sco->p_curr_scb)
|
|
{
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
}
|
|
break;
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
case BTA_AG_SCO_REOPEN_E:
|
|
/* start codec negotiation */
|
|
p_sco->state = BTA_AG_SCO_CODEC_ST;
|
|
p_cn_scb = p_scb;
|
|
break;
|
|
#endif
|
|
|
|
case BTA_AG_SCO_XFER_E:
|
|
/* save xfer scb */
|
|
p_sco->p_xfer_scb = p_scb;
|
|
p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CLOSE_E:
|
|
p_sco->state = BTA_AG_SCO_OPEN_CL_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
/* If not opening scb, just close it */
|
|
if (p_scb != p_sco->p_curr_scb)
|
|
{
|
|
/* remove listening connection */
|
|
bta_ag_remove_sco(p_scb, FALSE);
|
|
}
|
|
else
|
|
p_sco->state = BTA_AG_SCO_SHUTTING_ST;
|
|
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_OPEN_E:
|
|
p_sco->state = BTA_AG_SCO_OPEN_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* sco failed; create sco listen connection */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_OPENING_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_OPEN_CL_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_XFER_E:
|
|
/* save xfer scb */
|
|
p_sco->p_xfer_scb = p_scb;
|
|
|
|
p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_OPEN_E:
|
|
p_sco->state = BTA_AG_SCO_OPENING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
/* If not opening scb, just close it */
|
|
if (p_scb != p_sco->p_curr_scb)
|
|
{
|
|
/* remove listening connection */
|
|
bta_ag_remove_sco(p_scb, FALSE);
|
|
}
|
|
else
|
|
p_sco->state = BTA_AG_SCO_SHUTTING_ST;
|
|
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_OPEN_E:
|
|
/* close sco connection */
|
|
bta_ag_remove_sco(p_scb, TRUE);
|
|
|
|
p_sco->state = BTA_AG_SCO_CLOSING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* sco failed; create sco listen connection */
|
|
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_OPEN_CL_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_OPEN_XFER_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_CLOSE_E:
|
|
/* close sco connection */
|
|
bta_ag_remove_sco(p_scb, TRUE);
|
|
p_sco->state = BTA_AG_SCO_CLOSING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
/* remove all connection */
|
|
bta_ag_remove_sco(p_scb, FALSE);
|
|
p_sco->state = BTA_AG_SCO_SHUTTING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* closed sco; place in listen mode and
|
|
accept the transferred connection */
|
|
bta_ag_create_sco(p_scb, FALSE); /* Back into listen mode */
|
|
/* Accept sco connection with xfer scb */
|
|
bta_ag_sco_conn_rsp(p_sco->p_xfer_scb, &p_sco->conn_data);
|
|
p_sco->state = BTA_AG_SCO_OPENING_ST;
|
|
p_sco->p_curr_scb = p_sco->p_xfer_scb;
|
|
p_sco->cur_idx = p_sco->p_xfer_scb->sco_idx;
|
|
p_sco->p_xfer_scb = NULL;
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_OPEN_XFER_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_OPEN_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
/* second headset has now joined */
|
|
/* create sco listen connection (Additional channel) */
|
|
if (p_scb != p_sco->p_curr_scb)
|
|
{
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_XFER_E:
|
|
/* close current sco connection */
|
|
bta_ag_remove_sco(p_sco->p_curr_scb, TRUE);
|
|
/* save xfer scb */
|
|
p_sco->p_xfer_scb = p_scb;
|
|
p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CLOSE_E:
|
|
/* close sco connection if active */
|
|
if (bta_ag_remove_sco(p_scb, TRUE))
|
|
{
|
|
p_sco->state = BTA_AG_SCO_CLOSING_ST;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
/* remove all listening connections */
|
|
bta_ag_remove_sco(p_scb, FALSE);
|
|
/* If SCO was active on this scb, close it */
|
|
if (p_scb == p_sco->p_curr_scb)
|
|
{
|
|
p_sco->state = BTA_AG_SCO_SHUTTING_ST;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* peer closed sco; create sco listen connection */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_OPEN_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_CLOSING_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
/* create sco listen connection (Additional channel) */
|
|
if (p_scb != p_sco->p_curr_scb)
|
|
{
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_OPEN_E:
|
|
p_sco->state = BTA_AG_SCO_CLOSE_OP_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_XFER_E:
|
|
/* save xfer scb */
|
|
p_sco->p_xfer_scb = p_scb;
|
|
p_sco->state = BTA_AG_SCO_CLOSE_XFER_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
/* If not closing scb, just close it */
|
|
if (p_scb != p_sco->p_curr_scb)
|
|
{
|
|
/* remove listening connection */
|
|
bta_ag_remove_sco(p_scb, FALSE);
|
|
}
|
|
else
|
|
p_sco->state = BTA_AG_SCO_SHUTTING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* peer closed sco; create sco listen connection */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_CLOSING_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_CLOSE_OP_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_CLOSE_E:
|
|
p_sco->state = BTA_AG_SCO_CLOSING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
p_sco->state = BTA_AG_SCO_SHUTTING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
/* start codec negotiation */
|
|
p_sco->state = BTA_AG_SCO_CODEC_ST;
|
|
p_cn_scb = p_scb;
|
|
#else
|
|
/* open sco connection */
|
|
bta_ag_create_sco(p_scb, TRUE);
|
|
p_sco->state = BTA_AG_SCO_OPENING_ST;
|
|
#endif
|
|
break;
|
|
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
/* create sco listen connection (Additional channel) */
|
|
if (p_scb != p_sco->p_curr_scb)
|
|
{
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
}
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_CLOSE_OP_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_CLOSE_XFER_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_CONN_OPEN_E:
|
|
/* close sco connection so headset can be transferred
|
|
Probably entered this state from "opening state" */
|
|
bta_ag_remove_sco(p_scb, TRUE);
|
|
break;
|
|
|
|
case BTA_AG_SCO_CLOSE_E:
|
|
/* clear xfer scb */
|
|
p_sco->p_xfer_scb = NULL;
|
|
p_sco->state = BTA_AG_SCO_CLOSING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
/* clear xfer scb */
|
|
p_sco->p_xfer_scb = NULL;
|
|
p_sco->state = BTA_AG_SCO_SHUTTING_ST;
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* closed sco; place old sco in listen mode,
|
|
take current sco out of listen, and
|
|
create originating sco for current */
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
bta_ag_remove_sco(p_sco->p_xfer_scb, FALSE);
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
/* start codec negotiation */
|
|
p_sco->state = BTA_AG_SCO_CODEC_ST;
|
|
p_cn_scb = p_sco->p_xfer_scb;
|
|
p_sco->p_xfer_scb = NULL;
|
|
#else
|
|
/* create sco connection to peer */
|
|
bta_ag_create_sco(p_sco->p_xfer_scb, TRUE);
|
|
p_sco->p_xfer_scb = NULL;
|
|
p_sco->state = BTA_AG_SCO_OPENING_ST;
|
|
#endif
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_CLOSE_XFER_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTTING_ST:
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_CONN_OPEN_E:
|
|
/* close sco connection; wait for conn close event */
|
|
bta_ag_remove_sco(p_scb, TRUE);
|
|
break;
|
|
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
/* If last SCO instance then finish shutting down */
|
|
if (!bta_ag_other_scb_open(p_scb))
|
|
{
|
|
p_sco->state = BTA_AG_SCO_SHUTDOWN_ST;
|
|
}
|
|
else /* Other instance is still listening */
|
|
{
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
}
|
|
|
|
/* If SCO closed for other HS which is not being disconnected,
|
|
then create listen sco connection for it as scb still open */
|
|
if (bta_ag_scb_open(p_scb))
|
|
{
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
}
|
|
|
|
if (p_scb == p_sco->p_curr_scb)
|
|
{
|
|
p_sco->p_curr_scb->sco_idx = BTM_INVALID_SCO_INDEX;
|
|
p_sco->p_curr_scb = NULL;
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
/* create sco listen connection (Additional channel) */
|
|
if (p_scb != p_sco->p_curr_scb)
|
|
{
|
|
bta_ag_create_sco(p_scb, FALSE);
|
|
}
|
|
break;
|
|
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
if (!bta_ag_other_scb_open(p_scb))
|
|
{
|
|
p_sco->state = BTA_AG_SCO_SHUTDOWN_ST;
|
|
}
|
|
else /* Other instance is still listening */
|
|
{
|
|
p_sco->state = BTA_AG_SCO_LISTEN_ST;
|
|
}
|
|
|
|
if (p_scb == p_sco->p_curr_scb)
|
|
{
|
|
p_sco->p_curr_scb->sco_idx = BTM_INVALID_SCO_INDEX;
|
|
p_sco->p_curr_scb = NULL;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
APPL_TRACE_WARNING("BTA_AG_SCO_SHUTTING_ST: Ignoring event %d", event);
|
|
break;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
if (p_sco->state != in_state)
|
|
{
|
|
APPL_TRACE_EVENT("BTA AG SCO State Change: [%s] -> [%s] after Event [%s]",
|
|
bta_ag_sco_state_str(in_state),
|
|
bta_ag_sco_state_str(p_sco->state),
|
|
bta_ag_sco_evt_str(event));
|
|
}
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
if (p_cn_scb)
|
|
{
|
|
bta_ag_codec_negotiate(p_cn_scb);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_is_open
|
|
**
|
|
** Description Check if sco is open for this scb.
|
|
**
|
|
**
|
|
** Returns TRUE if sco open for this scb, FALSE otherwise.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_ag_sco_is_open(tBTA_AG_SCB *p_scb)
|
|
{
|
|
return ((bta_ag_cb.sco.state == BTA_AG_SCO_OPEN_ST) &&
|
|
(bta_ag_cb.sco.p_curr_scb == p_scb));
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_is_opening
|
|
**
|
|
** Description Check if sco is in Opening state.
|
|
**
|
|
**
|
|
** Returns TRUE if sco is in Opening state for this scb, FALSE otherwise.
|
|
**
|
|
*******************************************************************************/
|
|
BOOLEAN bta_ag_sco_is_opening(tBTA_AG_SCB *p_scb)
|
|
{
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
return (((bta_ag_cb.sco.state == BTA_AG_SCO_OPENING_ST) ||
|
|
(bta_ag_cb.sco.state == BTA_AG_SCO_OPENING_ST)) &&
|
|
(bta_ag_cb.sco.p_curr_scb == p_scb));
|
|
#else
|
|
return ((bta_ag_cb.sco.state == BTA_AG_SCO_OPENING_ST) &&
|
|
(bta_ag_cb.sco.p_curr_scb == p_scb));
|
|
#endif
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_listen
|
|
**
|
|
** Description
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_sco_listen(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
|
|
{
|
|
UNUSED(p_data);
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_LISTEN_E);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_open
|
|
**
|
|
** Description
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_sco_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
|
|
{
|
|
UINT8 event;
|
|
UNUSED(p_data);
|
|
|
|
/* if another scb using sco, this is a transfer */
|
|
if (bta_ag_cb.sco.p_curr_scb != NULL && bta_ag_cb.sco.p_curr_scb != p_scb)
|
|
{
|
|
event = BTA_AG_SCO_XFER_E;
|
|
}
|
|
/* else it is an open */
|
|
else
|
|
{
|
|
event = BTA_AG_SCO_OPEN_E;
|
|
}
|
|
|
|
bta_ag_sco_event(p_scb, event);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_close
|
|
**
|
|
** Description
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_sco_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
|
|
{
|
|
UNUSED(p_data);
|
|
|
|
/* if scb is in use */
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
/* sco_idx is not allocated in SCO_CODEC_ST, we still need to move to listening state. */
|
|
if ((p_scb->sco_idx != BTM_INVALID_SCO_INDEX) || (bta_ag_cb.sco.state == BTA_AG_SCO_CODEC_ST))
|
|
#else
|
|
if (p_scb->sco_idx != BTM_INVALID_SCO_INDEX)
|
|
#endif
|
|
{
|
|
APPL_TRACE_DEBUG("bta_ag_sco_close: sco_inx = %d", p_scb->sco_idx);
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_CLOSE_E);
|
|
}
|
|
}
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_codec_nego
|
|
**
|
|
** Description
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_sco_codec_nego(tBTA_AG_SCB *p_scb, BOOLEAN result)
|
|
{
|
|
if(result == TRUE)
|
|
{
|
|
/* Subsequent sco connection will skip codec negotiation */
|
|
p_scb->codec_updated = FALSE;
|
|
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_CN_DONE_E);
|
|
}
|
|
else /* codec negotiation failed */
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_CLOSE_E);
|
|
}
|
|
#endif
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_shutdown
|
|
**
|
|
** Description
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_sco_shutdown(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
|
|
{
|
|
UNUSED(p_data);
|
|
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_SHUTDOWN_E);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_conn_open
|
|
**
|
|
** Description
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_sco_conn_open(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
|
|
{
|
|
UNUSED(p_data);
|
|
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_CONN_OPEN_E);
|
|
|
|
bta_sys_sco_open(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
bta_ag_sco_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, SCO_STATE_ON, p_scb->inuse_codec);
|
|
#else
|
|
bta_ag_sco_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, SCO_STATE_ON);
|
|
#endif
|
|
/* open SCO codec if SCO is routed through transport */
|
|
bta_ag_sco_co_open(bta_ag_scb_to_idx(p_scb), p_scb->air_mode, BTA_HFP_SCO_OUT_PKT_SIZE, BTA_AG_CI_SCO_DATA_EVT);
|
|
#endif
|
|
|
|
/* call app callback */
|
|
bta_ag_cback_sco(p_scb, BTA_AG_AUDIO_OPEN_EVT);
|
|
|
|
p_scb->retry_with_sco_only = FALSE;
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
/* reset to mSBC T2 settings as the preferred */
|
|
p_scb->codec_msbc_settings = BTA_AG_SCO_MSBC_SETTINGS_T2;
|
|
#endif
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_conn_close
|
|
**
|
|
** Description This function is called when a SCO connection is closed
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_sco_conn_close(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
|
|
{
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
UINT16 handle = bta_ag_scb_to_idx(p_scb);
|
|
#endif
|
|
UNUSED(p_data);
|
|
|
|
/* clear current scb */
|
|
bta_ag_cb.sco.p_curr_scb = NULL;
|
|
p_scb->sco_idx = BTM_INVALID_SCO_INDEX;
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
/* codec_fallback is set when AG is initiator and connection failed for mSBC. */
|
|
/* OR if codec is msbc and T2 settings failed, then retry Safe T1 settings */
|
|
if ((p_scb->codec_fallback && p_scb->svc_conn) ||
|
|
bta_ag_attempt_msbc_safe_settings(p_scb))
|
|
{
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_REOPEN_E);
|
|
}
|
|
else if (p_scb->retry_with_sco_only && p_scb->svc_conn)
|
|
{
|
|
/* retry_with_sco_only is set when AG is initiator and connection failed for eSCO */
|
|
bta_ag_create_sco(p_scb, TRUE);
|
|
}
|
|
#else
|
|
/* retry_with_sco_only, will be set only when AG is initiator
|
|
** and AG is first trying to establish an eSCO connection */
|
|
if (p_scb->retry_with_sco_only && p_scb->svc_conn)
|
|
{
|
|
bta_ag_create_sco(p_scb, TRUE);
|
|
}
|
|
#endif
|
|
else
|
|
{
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
sco_state_t sco_state = bta_ag_cb.sco.p_xfer_scb ? SCO_STATE_OFF_TRANSFER : SCO_STATE_OFF;
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
/* Indicate if the closing of audio is because of transfer */
|
|
bta_ag_sco_audio_state(handle, p_scb->app_id, sco_state, p_scb->inuse_codec);
|
|
#else
|
|
/* Indicate if the closing of audio is because of transfer */
|
|
bta_ag_sco_audio_state(handle, p_scb->app_id, sco_state);
|
|
#endif
|
|
#endif
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_CONN_CLOSE_E);
|
|
|
|
bta_sys_sco_close(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
|
|
/* if av got suspended by this call, let it resume. */
|
|
/* In case call stays alive regardless of sco, av should not be affected. */
|
|
if(((p_scb->call_ind == BTA_AG_CALL_INACTIVE) && (p_scb->callsetup_ind == BTA_AG_CALLSETUP_NONE))
|
|
|| (p_scb->post_sco == BTA_AG_POST_SCO_CALL_END))
|
|
{
|
|
bta_sys_sco_unuse(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
}
|
|
|
|
/* call app callback */
|
|
bta_ag_cback_sco(p_scb, BTA_AG_AUDIO_CLOSE_EVT);
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
p_scb->codec_msbc_settings = BTA_AG_SCO_MSBC_SETTINGS_T2;
|
|
#endif
|
|
}
|
|
p_scb->retry_with_sco_only = FALSE;
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_sco_conn_rsp
|
|
**
|
|
** Description Process the SCO connection request
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_sco_conn_rsp(tBTA_AG_SCB *p_scb, tBTM_ESCO_CONN_REQ_EVT_DATA *p_data)
|
|
{
|
|
tBTM_ESCO_PARAMS resp;
|
|
UINT8 hci_status = HCI_SUCCESS;
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
tBTA_HFP_CODEC_INFO codec_info = {BTA_HFP_SCO_CODEC_PCM};
|
|
UINT32 pcm_sample_rate;
|
|
#endif
|
|
|
|
if (bta_ag_cb.sco.state == BTA_AG_SCO_LISTEN_ST ||
|
|
bta_ag_cb.sco.state == BTA_AG_SCO_CLOSE_XFER_ST ||
|
|
bta_ag_cb.sco.state == BTA_AG_SCO_OPEN_XFER_ST)
|
|
{
|
|
/* If script overrided sco parameter by BTA_CMD_SET_ESCO_PARAM */
|
|
if (bta_ag_cb.sco.param_updated)
|
|
{
|
|
resp = bta_ag_cb.sco.params;
|
|
}
|
|
else
|
|
{
|
|
resp.rx_bw = BTM_64KBITS_RATE;
|
|
resp.tx_bw = BTM_64KBITS_RATE;
|
|
resp.max_latency = 10;
|
|
resp.voice_contfmt = 0x60;
|
|
resp.retrans_effort = BTM_ESCO_RETRANS_POWER;
|
|
|
|
if (p_data->link_type == BTM_LINK_TYPE_SCO)
|
|
{
|
|
resp.packet_types = (BTM_SCO_LINK_ONLY_MASK |
|
|
BTM_SCO_PKT_TYPES_MASK_NO_2_EV3 |
|
|
BTM_SCO_PKT_TYPES_MASK_NO_3_EV3 |
|
|
BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 |
|
|
BTM_SCO_PKT_TYPES_MASK_NO_3_EV5);
|
|
}
|
|
else /* Allow controller to use all types available except 5-slot EDR */
|
|
{
|
|
resp.packet_types = (BTM_SCO_LINK_ALL_PKT_MASK |
|
|
BTM_SCO_PKT_TYPES_MASK_NO_2_EV5 |
|
|
BTM_SCO_PKT_TYPES_MASK_NO_3_EV5);
|
|
}
|
|
}
|
|
|
|
/* tell sys to stop av if any */
|
|
bta_sys_sco_use(BTA_ID_AG, p_scb->app_id, p_scb->peer_addr);
|
|
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE)
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
/* When HS initiated SCO, it cannot be WBS. */
|
|
/* Allow any platform specific pre-SCO set up to take place */
|
|
bta_ag_sco_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, SCO_STATE_SETUP, BTA_AG_CODEC_CVSD);
|
|
#else
|
|
/* Allow any platform specific pre-SCO set up to take place */
|
|
bta_ag_sco_audio_state(bta_ag_scb_to_idx(p_scb), p_scb->app_id, SCO_STATE_SETUP);
|
|
#endif
|
|
pcm_sample_rate = BTA_HFP_SCO_SAMP_RATE_8K;
|
|
/* initialize SCO setup, no voice setting for AG, data rate <==> sample rate */
|
|
BTM_ConfigScoPath(bta_ag_sco_co_init(pcm_sample_rate, pcm_sample_rate, &codec_info, p_scb->app_id),
|
|
bta_ag_sco_read_cback, NULL, TRUE);
|
|
#endif
|
|
}
|
|
else
|
|
hci_status = HCI_ERR_HOST_REJECT_DEVICE;
|
|
|
|
#if (BTM_WBS_INCLUDED == TRUE)
|
|
/* If SCO open was initiated from HS, it must be CVSD */
|
|
p_scb->inuse_codec = BTA_AG_CODEC_NONE;
|
|
#endif
|
|
BTM_EScoConnRsp(p_data->sco_inx, hci_status, &resp);
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_ci_sco_data
|
|
**
|
|
** Description Process the SCO data ready callin event
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_ci_sco_data(tBTA_AG_SCB *p_scb, tBTA_AG_DATA *p_data)
|
|
{
|
|
UNUSED(p_scb);
|
|
UNUSED(p_data);
|
|
|
|
#if (BTM_SCO_HCI_INCLUDED == TRUE )
|
|
bta_ag_sco_event(p_scb, BTA_AG_SCO_CI_DATA_E);
|
|
#endif
|
|
}
|
|
|
|
/*******************************************************************************
|
|
**
|
|
** Function bta_ag_set_esco_param
|
|
**
|
|
** Description Update esco parameters from script wrapper.
|
|
**
|
|
**
|
|
** Returns void
|
|
**
|
|
*******************************************************************************/
|
|
void bta_ag_set_esco_param(BOOLEAN set_reset, tBTM_ESCO_PARAMS *param)
|
|
{
|
|
if(set_reset == FALSE) /* reset the parameters to default */
|
|
{
|
|
bta_ag_cb.sco.param_updated = FALSE;
|
|
APPL_TRACE_DEBUG("bta_ag_set_esco_param : Resetting ESCO parameters to default");
|
|
}
|
|
else
|
|
{
|
|
bta_ag_cb.sco.param_updated = TRUE;
|
|
bta_ag_cb.sco.params = *param;
|
|
APPL_TRACE_DEBUG("bta_ag_set_esco_param : Setting ESCO parameters");
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
** Debugging functions
|
|
*******************************************************************************/
|
|
static char *bta_ag_sco_evt_str(UINT8 event)
|
|
{
|
|
switch (event)
|
|
{
|
|
case BTA_AG_SCO_LISTEN_E:
|
|
return "Listen Request";
|
|
case BTA_AG_SCO_OPEN_E:
|
|
return "Open Request";
|
|
case BTA_AG_SCO_XFER_E:
|
|
return "Transfer Request";
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
case BTA_AG_SCO_CN_DONE_E:
|
|
return "Codec Negotiation Done";
|
|
case BTA_AG_SCO_REOPEN_E:
|
|
return "Reopen Request";
|
|
#endif
|
|
case BTA_AG_SCO_CLOSE_E:
|
|
return "Close Request";
|
|
case BTA_AG_SCO_SHUTDOWN_E:
|
|
return "Shutdown Request";
|
|
case BTA_AG_SCO_CONN_OPEN_E:
|
|
return "Opened";
|
|
case BTA_AG_SCO_CONN_CLOSE_E:
|
|
return "Closed";
|
|
case BTA_AG_SCO_CI_DATA_E :
|
|
return "Sco Data";
|
|
default:
|
|
return "Unknown SCO Event";
|
|
}
|
|
}
|
|
|
|
static char *bta_ag_sco_state_str(UINT8 state)
|
|
{
|
|
switch (state)
|
|
{
|
|
case BTA_AG_SCO_SHUTDOWN_ST:
|
|
return "Shutdown";
|
|
case BTA_AG_SCO_LISTEN_ST:
|
|
return "Listening";
|
|
#if (BTM_WBS_INCLUDED == TRUE )
|
|
case BTA_AG_SCO_CODEC_ST:
|
|
return "Codec Negotiation";
|
|
#endif
|
|
case BTA_AG_SCO_OPENING_ST:
|
|
return "Opening";
|
|
case BTA_AG_SCO_OPEN_CL_ST:
|
|
return "Open while closing";
|
|
case BTA_AG_SCO_OPEN_XFER_ST:
|
|
return "Opening while Transferring";
|
|
case BTA_AG_SCO_OPEN_ST:
|
|
return "Open";
|
|
case BTA_AG_SCO_CLOSING_ST:
|
|
return "Closing";
|
|
case BTA_AG_SCO_CLOSE_OP_ST:
|
|
return "Close while Opening";
|
|
case BTA_AG_SCO_CLOSE_XFER_ST:
|
|
return "Close while Transferring";
|
|
case BTA_AG_SCO_SHUTTING_ST:
|
|
return "Shutting Down";
|
|
default:
|
|
return "Unknown SCO State";
|
|
}
|
|
}
|
|
|
|
#endif //#if (BTA_AG_INCLUDED == TRUE)
|