杰理之手机启动 a2dp 播放不返回蓝牙模式【篇】

void bt_background_resume(void)
{
voiddevices[2] = {0}; // 初始值给 0
if (btstack_get_conn_devices(devices, 2) < 1) { //无设备连接才打开自动关机
sys_auto_shut_down_enable();
}
#if (TCFG_A2DP_PREEMPTED_ENABLE == 0) && (TCFG_BT_DUAL_CONN_ENABLE == 0)
else {
for (int i = 0; i < 2; i++) {
if (!devices[i]) {
continue;
}
u8addr = btstack_get_device_mac_addr(devices[i]);
if (addr) {
log_info(“conn addr:”);
put_buf(addr, 6);
extern u8 app_get_a2dp_play_status(void);
if (app_get_a2dp_play_status()) {
bt_stop_a2dp_slience_detect(addr);
set_g_play_addr(addr);
a2dp_play_close(addr);
}
} else {
log_info(“get addr fail”);
}
}
}
#endif
}

static void a2dp_slience_detect(void_detect)
{
/
* 不检测,一直丢包
*/
#if ((TCFG_A2DP_PREEMPTED_ENABLE == 0) && (TCFG_BT_DUAL_CONN_ENABLE))
#if (TCFG_BT_BACKGROUND_ENABLE) //后台不走丢包流程
if (bt_background_active() == false)
#endif
{
seqn += 10;
if ((seqn & 0xffff) == 0) {
seqn = 1;
}
a2dp_media_free_packet(detect->file, packet);
break;
}
#elif (TCFG_A2DP_PREEMPTED_ENABLE == 0) && (TCFG_BT_DUAL_CONN_ENABLE == 0)
seqn += 10;
if ((seqn & 0xffff) == 0) {
seqn = 1;
}
a2dp_media_free_packet(detect->file, packet);
break;
#endif
}