/**************************************************************************** NAME usbAudioSetVolume DESCRIPTION Set USB audio volume RETURNS void */ void usbAudioSetVolume(void) { if(usbAudioSinkMatch(theSink.routed_audio) && USB_CLASS_ENABLED(USB_DEVICE_CLASS_AUDIO)) { Task plugin; AUDIO_MODE_T mode; uint16 volume = usbGetVolume(&mode); /* get usb plugin being used */ usbAudioGetPluginInfo(&plugin, theSink.usb.config.plugin_type, theSink.usb.config.plugin_index); /* Set volume if USB audio connected */ AudioSetVolume(volume, TonesGetToneVolume(FALSE), plugin); /* use a2dp connect parameters */ AudioSetMode(mode, &theSink.a2dp_link_data->a2dp_audio_mode_params); } }
/**************************************************************************** NAME TonesPlayTone DESCRIPTION Plays back the tone given by the ringtone_note index RETURNS void */ void TonesPlayTone ( uint16 pTone , bool pCanQueue , bool PlayToneAtDefaultLevel) { uint16 lToneVolume = TonesGetToneVolume(PlayToneAtDefaultLevel); TONE_DEBUG(("TONE Play sinth [%x]\n", pTone)); /* ensure tone is valid (non zero) before playing */ if(pTone > 0 && pTone <= NUM_FIXED_TONES) { AudioPlayTone ( gFixedTones [ pTone - 1 ], pCanQueue, theSink.codec_task, lToneVolume, theSink.conf2->audio_routing_data.PluginFeatures ) ; } /* if the tone index is beyond that of the fixed tones, check for the prescence of a user defined tone, there are 8 user defineable tones available at the end of the fixed tones list */ else { TONE_DEBUG(("TONE Play sinth which is larger than 5e is [%x] - [%d]\n", pTone, pTone-1-NUM_FIXED_TONES)); /* check to see if there are any configured user defined tones and then check to see if there is a tone available at the index (0 to 7) requested */ if(&theSink.gConfigTones.gVariableTones[0] && theSink.gConfigTones.gVariableTones[pTone-1-NUM_FIXED_TONES]) { /* audio tone is located at 'start of data + an offset' into the array of data, the first 8 words of data in gVariableTones are offsets into the data array for user tones 0 to 7 */ AudioPlayTone ( (const ringtone_note *)(&theSink.gConfigTones.gVariableTones[0] + (uint16)theSink.gConfigTones.gVariableTones[pTone-1-NUM_FIXED_TONES]), pCanQueue, theSink.codec_task, lToneVolume, theSink.conf2->audio_routing_data.PluginFeatures ) ; } } }
/**************************************************************************** NAME StartHearingDSP DESCRIPTION starts Hearing plugin and DSP with all the desired features, configurations and DAC gain RETURNS void */ void StartHearingDSP(void) { /* ensure sink is valid before trying to route audio */ TaskData *plugin = NULL; /* Configuring Audio features */ AudioPluginFeatures features; features.audio_output_type = OUTPUT_INTERFACE_TYPE_DAC; features.audio_input_routing = AUDIO_ROUTE_INTERNAL; features.use_one_mic_back_channel = 0; features.use_two_mic_back_channel = 0; features.stereo = (theSink.conf2->audio_routing_data.PluginFeatures.stereo) ? TRUE : FALSE; #ifdef HEP_1MIC plugin = (TaskData *)&alango_1mic_hearing_plugin; #elif defined(HEP_2MIC) plugin = (TaskData *)&alango_2mic_hearing_plugin; #endif AUD_DEBUG(("AUD: Start Hearing Mode\n")) ; /*Send works params*/ theSink.HearPhones_conf->Hearing.ActiveHearing = 1; /* connect audio using the audio plugin selected above */ AudioConnect ( plugin, 0 , theSink.profile_data[0].audio.link_type , theSink.codec_task , 10, 16000 , features , AUDIO_MODE_CONNECTED, AUDIO_ROUTE_INTERNAL, powerManagerGetLBIPM(), AUDIO_CONNECT_PARAMS, &theSink.task ); /* setting the desired volume */ AudioSetVolume ( theSink.HearPhones_conf->Hearing.volume , TonesGetToneVolume(FALSE), theSink.codec_task ) ; }
/**************************************************************************** NAME audioHfpConnectAudio DESCRIPTION attempt to reconnect an audio connection from the sink value associcated with the passed hfp instance RETURNS */ void audioHfpConnectAudio (hfp_link_priority priority, Sink sink) { uint8 index = PROFILE_INDEX(priority); /* ensure sink is valid before trying to route audio */ TaskData *plugin = NULL; /* ensure a valid codec is negotiated, should be at least cvsd */ if(theSink.profile_data[index].audio.codec_selected) { AudioPluginFeatures features; /* determine additional features applicable for this audio plugin */ features.stereo = (AUDIO_PLUGIN_FORCE_STEREO || theSink.features.stereo); features.use_i2s_output = theSink.features.UseI2SOutputCapability; theSink.routed_audio = sink; plugin = audioHfpGetPlugin(theSink.profile_data[index].audio.codec_selected, theSink.features.audio_plugin); AUD_DEBUG(("AUD: plugin [%d] [%d], sink [%x]\n" , theSink.features.audio_plugin , theSink.profile_data[index].audio.codec_selected , (uint16)theSink.routed_audio)) ; /* connect audio using the audio plugin selected above */ AudioConnect ( plugin, theSink.routed_audio , theSink.profile_data[index].audio.link_type , theSink.codec_task , theSink.conf1->gVolMaps[ theSink.profile_data[index].audio.gSMVolumeLevel ].VolGain , theSink.profile_data[index].audio.tx_bandwidth , features , AUDIO_MODE_CONNECTED, AUDIO_ROUTE_INTERNAL, powerManagerGetLBIPM(), AUDIO_CONNECT_PARAMS, NULL ) ; audioControlLowPowerCodecs (TRUE) ; AUD_DEBUG(("AUD: Route SCO\n")); AUD_DEBUG(("Audio Connect[%d][%x]\n", theSink.features.audio_plugin , theSink.profile_data[index].audio.gSMVolumeLevel )) ; AudioSetVolume ( theSink.conf1->gVolMaps[ theSink.profile_data[index].audio.gSMVolumeLevel ].VolGain , TonesGetToneVolume(FALSE), theSink.codec_task ) ; /* mute control */ VolumeSetMicrophoneGain(priority, (theSink.profile_data[index].audio.gMuted ? VOLUME_MUTE_ON : VOLUME_MUTE_OFF)); } }
/**************************************************************************** NAME A2dpRouteAudio DESCRIPTION attempt to connect an audio connection from a2dp device via the passed in deviceID RETURNS */ void A2dpRouteAudio(uint8 Index, Sink sink) { AUD_DEBUG(("AudioA2dpRoute Index[%x] Sink[%x]\n", Index , (uint16) sink )) ; /* ensure sink is valid before attempting the connection */ if(sink) { /* Use an instance of A2DP message structure for initial volume setting */ AUDIO_PLUGIN_SET_VOLUME_A2DP_MSG_T volumeInitAudio; a2dp_codec_settings * codec_settings; AUD_DEBUG(("AudioA2dpRoute Index[%d] DevId[%x]\n", Index , theSink.a2dp_link_data->device_id[Index] )) ; /* get the rate information for connection */ codec_settings = A2dpCodecGetSettings(theSink.a2dp_link_data->device_id[Index], theSink.a2dp_link_data->stream_id[Index]); /* ensure stream is valid */ if(codec_settings) { AUDIO_MODE_T mode = AUDIO_MODE_CONNECTED; int16 a2dp_gain_dB; /* determine additional features applicable for this audio plugin */ /* Volume info is sent to DSP in dB units */ a2dp_gain_dB = VolumeConvertStepsToDB(theSink.volume_levels->a2dp_volume[Index].masterVolume, &theSink.conf1->volume_config.volume_control_config, DSP_DB_SCALE); /* check for MUTE volume level and mute as appropriate */ if (theSink.volume_levels->a2dp_volume[Index].masterVolume == VOLUME_A2DP_MUTE_GAIN) { mode = AUDIO_MODE_MUTE_SPEAKER; } /* initialise the AudioConnect extra parameters required to pass in additional codec information */ if (codec_settings->codecData.latency_reporting) /* latency reporting retrieved from a2dp library */ { /* TODO: obtain settings from PS, probably based on codec type */ theSink.a2dp_link_data->a2dp_audio_connect_params.latency.last = 150; theSink.a2dp_link_data->a2dp_audio_connect_params.latency.target = 150/5; theSink.a2dp_link_data->a2dp_audio_connect_params.latency.change = 10/5; theSink.a2dp_link_data->a2dp_audio_connect_params.latency.period = 500/100; } theSink.a2dp_link_data->a2dp_audio_connect_params.packet_size = codec_settings->codecData.packet_size; /* Packet size retrieved from a2dp library */ theSink.a2dp_link_data->a2dp_audio_connect_params.content_protection = codec_settings->codecData.content_protection; /* content protection retrieved from a2dp library */ theSink.a2dp_link_data->a2dp_audio_connect_params.clock_mismatch = theSink.a2dp_link_data->clockMismatchRate[Index]; /* clock mismatch rate for this device */ theSink.a2dp_link_data->a2dp_audio_connect_params.mode_params = &theSink.a2dp_link_data->a2dp_audio_mode_params; /* EQ mode and Audio enhancements */ #ifdef INCLUDE_A2DP_EXTRA_CODECS #ifdef INCLUDE_FASTSTREAM theSink.a2dp_link_data->a2dp_audio_connect_params.voice_rate = codec_settings->codecData.voice_rate; /* voice rate retrieved from a2dp library */ theSink.a2dp_link_data->a2dp_audio_connect_params.bitpool = codec_settings->codecData.bitpool; /* bitpool retrieved from a2dp library */ theSink.a2dp_link_data->a2dp_audio_connect_params.format = codec_settings->codecData.format; /* format retrieved from a2dp library */ #endif #ifdef INCLUDE_APTX theSink.a2dp_link_data->a2dp_audio_connect_params.channel_mode = codec_settings->channel_mode; /* aptX channel mode */ #endif #ifdef INCLUDE_APTX_ACL_SPRINT theSink.a2dp_link_data->a2dp_audio_connect_params.aptx_sprint_params = codec_settings->codecData.aptx_sprint_params; /* aptX LL params */ #endif #endif #ifdef ENABLE_SOUNDBAR theSink.a2dp_link_data->seid[Index] = codec_settings->seid; #endif /* ENABLE_SOUNDBAR */ #ifdef ENABLE_SUBWOOFER /* set the sub woofer link type prior to passing to audio connect */ theSink.a2dp_link_data->a2dp_audio_connect_params.sub_woofer_type = AUDIO_SUB_WOOFER_NONE; theSink.a2dp_link_data->a2dp_audio_connect_params.sub_sink = NULL; /* bits inverted in dsp plugin */ sinkAudioSetEnhancement(MUSIC_CONFIG_SUB_WOOFER_BYPASS,TRUE); #else /* no subwoofer support, set the sub woofer bypass bit in music config message sent o dsp */ sinkAudioSetEnhancement(MUSIC_CONFIG_SUB_WOOFER_BYPASS,FALSE); #endif AUD_DEBUG(("AudioA2dpRoute Index[%d] DevId[%x] Gain[%x] Codec[%x] ClkMismatch[%x] EQ[%x] packet_size[%u]\n", Index , theSink.a2dp_link_data->device_id[Index], a2dp_gain_dB, codec_settings->seid, theSink.a2dp_link_data->a2dp_audio_connect_params.clock_mismatch, (uint16)theSink.a2dp_link_data->a2dp_audio_connect_params.mode_params, theSink.a2dp_link_data->a2dp_audio_connect_params.packet_size)) ; audioIndicateCodec( codec_settings->seid ); #ifdef ENABLE_SOUNDBAR /* Set the LE SCAN priority to Low since we are Streaming It is possible that we might be receiving less or no LE adverts when streaming is in progress*/ InquirySetPriority(inquiry_low_priority); #endif /* ENABLE_SOUNDBAR */ /* We need to set A2DP volume info as the audio is in mute state after connection */ volumeInitAudio.volume_type = theSink.conf1->volume_config.volume_control_config.volume_type; volumeInitAudio.codec_task = theSink.codec_task; volumeInitAudio.master_gain = a2dp_gain_dB; volumeInitAudio.system_gain = theSink.conf1->volume_config.volume_control_config.system_volume; volumeInitAudio.trim_gain_left = theSink.conf1->volume_config.volume_control_config.trim_volume_left; volumeInitAudio.trim_gain_right= theSink.conf1->volume_config.volume_control_config.trim_volume_right; volumeInitAudio.device_trim_master = theSink.conf1->volume_config.volume_control_config.device_trim_master; volumeInitAudio.device_trim_slave = theSink.conf1->volume_config.volume_control_config.device_trim_slave; volumeInitAudio.tones_gain = VolumeConvertStepsToDB(((TonesGetToneVolume(FALSE) * theSink.conf1->volume_config.volume_control_config.no_of_steps)/VOLUME_NUM_VOICE_STEPS), &theSink.conf1->volume_config.volume_control_config, DSP_DB_SCALE); volumeInitAudio.mute_active = theSink.sink_enable_present; /* connect the audio via the audio plugin */ AudioConnect(getA2dpPlugin(codec_settings->seid), sink , AUDIO_SINK_AV , theSink.codec_task, volumeInitAudio.tones_gain, codec_settings->rate, theSink.conf2->audio_routing_data.PluginFeatures , mode, AUDIO_ROUTE_INTERNAL, powerManagerGetLBIPM(), &theSink.a2dp_link_data->a2dp_audio_connect_params, FALSE, &theSink.task); AudioSetVolumeA2DP(&volumeInitAudio); #ifdef ENABLE_SUBWOOFER /* set subwoofer volume level */ updateSwatVolume(theSink.volume_levels->a2dp_volume[Index].masterVolume); SWAT_DEBUG(("SW : Send sample rate to Sub, rate is %ld\n",codec_settings->rate)); /* send sample rate to sub */ sendSampleRateToSub(codec_settings->rate); #endif audioControlLowPowerCodecs (FALSE) ; /* caller responsible for freeing memory */ freePanic(codec_settings); #ifdef ENABLE_AVRCP if(theSink.features.avrcp_enabled) { UpdateAvrpcMessage_t * lUpdateMessage = mallocPanic ( sizeof(UpdateAvrpcMessage_t) ) ; lUpdateMessage->bd_addr = theSink.a2dp_link_data->bd_addr[Index]; /* any AVRCP commands should be targeted to the device which has A2DP audio routed */ MessageSend( &theSink.task, EventSysSetActiveAvrcpConnection, lUpdateMessage); } #endif } /* update the current sink being routed */ theSink.routed_audio = sink; } }
/**************************************************************************** NAME audioHfpConnectAudio DESCRIPTION attempt to reconnect an audio connection from the sink value associcated with the passed hfp instance RETURNS */ void audioHfpConnectAudio (hfp_link_priority priority, Sink sink) { uint8 index = PROFILE_INDEX(priority); /* ensure sink is valid before trying to route audio */ TaskData *plugin = NULL; /* ensure a valid codec is negotiated, should be at least cvsd */ if(theSink.profile_data[index].audio.codec_selected) { /* determine additional features applicable for this audio plugin */ theSink.routed_audio = sink; plugin = audioHfpGetPlugin(theSink.profile_data[index].audio.codec_selected, theSink.features.audio_plugin); AUD_DEBUG(("AUD: plugin [%d] [%d], sink [%x]\n" , theSink.features.audio_plugin , theSink.profile_data[index].audio.codec_selected , (uint16)theSink.routed_audio)) ; /* connect audio using the audio plugin selected above */ AudioConnect ( plugin, theSink.routed_audio , theSink.profile_data[index].audio.link_type , theSink.codec_task , theSink.conf1->volume_config.gVolMaps[ theSink.profile_data[index].audio.gSMVolumeLevel ].VolGain , theSink.profile_data[index].audio.tx_bandwidth , theSink.conf2->audio_routing_data.PluginFeatures , AUDIO_MODE_CONNECTED, AUDIO_ROUTE_INTERNAL, powerManagerGetLBIPM(), AUDIO_CONNECT_PARAMS, koovox.presentEnable, &theSink.task) ; DEBUG(("===presentEnable=%d\n", koovox.presentEnable)); audioControlLowPowerCodecs (TRUE) ; AUD_DEBUG(("AUD: Route SCO\n")); AUD_DEBUG(("Audio Connect[%d][%x]\n", theSink.features.audio_plugin , theSink.profile_data[index].audio.gSMVolumeLevel )) ; AudioSetVolume ( theSink.conf1->volume_config.gVolMaps[ theSink.profile_data[index].audio.gSMVolumeLevel ].VolGain , TonesGetToneVolume(FALSE), theSink.codec_task ) ; /* mute control */ VolumeSetMicrophoneGain(priority, (theSink.profile_data[index].audio.gMuted ? VOLUME_MUTE_ON : VOLUME_MUTE_OFF)); } }
/**************************************************************************** NAME sinkFmRxAudioConnect DESCRIPTION connects the I2S FM audio via the FM audio plugin which allows tones play and volume control RETURNS nothing */ void sinkFmRxAudioConnect(void) { AUDIO_PLUGIN_SET_VOLUME_A2DP_MSG_T volumeDsp; uint16 volume_dB = VolumeConvertStepsToDB(theSink.volume_levels->fm_volume.masterVolume, &theSink.conf1->volume_config.volume_control_config, DSP_DB_SCALE); uint16 mode = (theSink.volume_levels->fm_volume.masterVolume == VOLUME_A2DP_MUTE_GAIN) ? AUDIO_MODE_MUTE_SPEAKER : AUDIO_MODE_CONNECTED; FM_DEBUG(("sinkFmRxAudioConnect \n")); theSink.volume_levels->fm_volume.tonesVolume = VolumeConvertStepsToDB(((TonesGetToneVolume(FALSE) * theSink.conf1->volume_config.volume_control_config.no_of_steps)/VOLUME_NUM_VOICE_STEPS), &theSink.conf1->volume_config.volume_control_config, DSP_DB_SCALE); /* Make sure we're using correct parameters for FM audio */ theSink.a2dp_link_data->a2dp_audio_connect_params.mode_params = &theSink.a2dp_link_data->a2dp_audio_mode_params; #ifdef ENABLE_SUBWOOFER /* set the sub woofer link type prior to passing to audio connect */ theSink.a2dp_link_data->a2dp_audio_connect_params.sub_woofer_type = AUDIO_SUB_WOOFER_NONE; theSink.a2dp_link_data->a2dp_audio_connect_params.sub_sink = NULL; /* bits inverted in dsp plugin */ sinkAudioSetEnhancement(MUSIC_CONFIG_SUB_WOOFER_BYPASS,TRUE); #else /* no subwoofer support, set the sub woofer bypass bit in music config message sent o dsp */ sinkAudioSetEnhancement(MUSIC_CONFIG_SUB_WOOFER_BYPASS,FALSE); #endif FM_DEBUG(("FM: Routing (Vol %d)\n", theSink.volume_levels->fm_volume.masterVolume)); AudioConnect((TaskData *)&csr_fm_decoder_plugin, theSink.routed_audio, AUDIO_SINK_FM, theSink.codec_task, volume_dB, FM_RATE, theSink.conf2->audio_routing_data.PluginFeatures, mode, AUDIO_ROUTE_INTERNAL, powerManagerGetLBIPM(), &theSink.a2dp_link_data->a2dp_audio_connect_params, &theSink.task); audioControlLowPowerCodecs (FALSE) ; /* update volume via a2dp common plugin */ volumeDsp.volume_type = theSink.conf1->volume_config.volume_control_config.volume_type; volumeDsp.codec_task = theSink.codec_task; volumeDsp.master_gain = volume_dB; volumeDsp.tones_gain = theSink.volume_levels->fm_volume.tonesVolume; volumeDsp.system_gain = theSink.conf1->volume_config.volume_control_config.system_volume; volumeDsp.trim_gain_left = theSink.conf1->volume_config.volume_control_config.trim_volume_left; volumeDsp.trim_gain_right= theSink.conf1->volume_config.volume_control_config.trim_volume_right; volumeDsp.device_trim_master = theSink.conf1->volume_config.volume_control_config.device_trim_master; volumeDsp.device_trim_slave = theSink.conf1->volume_config.volume_control_config.device_trim_slave; volumeDsp.mute_active = theSink.sink_mute_status; AudioSetVolumeA2DP ( &volumeDsp); #ifdef ENABLE_SUBWOOFER /* set subwoofer volume level */ updateSwatVolume(volume_dB); #endif /* tune to stored frequency after initilising the I2S interface otherwise FM receiver may be in an unknown state which may not work reliably */ fmRxTuneFrequency(theSink.conf2->sink_fm_data.fmRxTunedFreq); }