46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*****************************************************************
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>file name : tws_audio.c
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>create time : Wed 08 Dec 2021 01:52:02 PM CST
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>处理tws与audio模块相关的事件等技术交叉点
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*****************************************************************/
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#include "app_config.h"
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#include "media/includes.h"
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#include "system/includes.h"
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#if TCFG_USER_TWS_ENABLE
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#include "btstack/avctp_user.h"
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#include "bt_tws.h"
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extern int CONFIG_BTCTLER_TWS_ENABLE;
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extern struct audio_dac_hdl dac_hdl;
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static void tws_audio_event_handler(struct sys_event *event)
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{
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if (!CONFIG_BTCTLER_TWS_ENABLE) {
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return;
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}
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if (((u32)event->arg != SYS_BT_EVENT_FROM_TWS)) {
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return;
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}
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struct bt_event *e = &event->u.bt;
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int state;
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if (e->event == TWS_EVENT_CONNECTED) {
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state = e->args[2];
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/*
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* 当TWS连接时，并且确认要播放提示音，则提前进行DAC上电
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* 原因: DAC上电有较大延迟，会导致连接提示音的错位
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*/
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if (!get_bt_tws_discon_dly_state() && (get_call_status() == BT_CALL_HANGUP) && !(state & TWS_STA_SBC_OPEN)) {
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//考虑开了DEC2TWS_ENABLE不播提示音是情况
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#if !TCFG_DEC2TWS_ENABLE
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audio_dac_try_power_on(&dac_hdl);
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#endif/*!TCFG_DEC2TWS_ENABLE*/
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}
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}
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}
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SYS_EVENT_HANDLER(SYS_BT_EVENT, tws_audio_event_handler, 4);
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#endif
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