HFP
2015-06-13 17:42:34 0 举报
HFP(Hands-Free Profile)是一种蓝牙通信协议,专为无线语音通信设计。它允许音频流在蓝牙设备之间无障碍传输,使用户能够在驾驶、运动或双手被占用的情况下进行通话。HFP基于A2DP(高级音频分发配置文件),支持多种音频编码格式,如AAC、SBC等。此外,HFP还提供了一些额外的功能,如呼叫控制、电话簿访问和语音拨号等。通过与AVRCP(音频/视频远程控制配置文件)结合,HFP可以实现对音频设备的远程控制,如调整音量、切换歌曲等。总之,HFP为用户提供了一种便捷、安全的无线语音通信方式。
作者其他创作
大纲/内容
return:support phone books
HF_ListCurrentCalls
+CIND:current battery/signal/service/roam
\"+CPBS = \"ME\
hfp_answer_call
battery/signal/service/roam notification
\"AT+CPBS ?/r\"
return:phonebook info
Command send successful
return: OK
AT+CLCC
Notify HMI to update UI
Confirm disconnect
Call Active
HF_ReadPhonebookEntries
hfp_pull_phonebook
+CIEV: (callsetup = 1)
hfp_sig_audio_connect
return:OK
HMI
incoming call process ongoing in the Phone
+CIEV: (call = 1)+CIEV: (callsetup = 0)
hfp_sig_data_indicate
\"AT+CPBS = \"ME\"/r\"
return:size
Select successful
HF_AnswerCall
HF_GetPhonebookSize
hfp_sig_phone_status
HF_SelectPhonebook
Incoming Call
Disconnect the audio connection
Remote Device
query the Phone' support phonebook type
RING (ALERT)
\
return:(battery/signal...)
hfp_private_call
+CIEV:battery/signal/service/roam change
+CLIP:\"numble\"..
hfp_get_phone_status
hfp_get_current_call
QueryPhonebooks
Phone will create audio connection
BSM
BlueSDK
ATA
Disconnect complete
HF_DisconnectAudioLink
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