一.概述
此文章接上篇文章:http://blog.csdn.net/xiaoxiaopengbo/article/details/51565016
此文介绍蓝牙通话WBS功能,通过BCCMD command方式来告知芯片DSP对通话data进行msbc编解码
如有不懂BCCMD看此文档:http://blog.csdn.net/xiaoxiaopengbo/article/details/51557771
二.flow图
三.步骤:
1.----------------------------------------------------------
![](http://img.e-com-net.com/image/info8/dcee8ed3faa44c44af98d110ca5f9c96.png)
获取I2S的sink ID为0xBA5F
获取I2S的sink ID为0xBA57
2.----------------------------------------------------------
![](http://img.e-com-net.com/image/info8/6e2f9d2b29c84b97a10b4dfe150c46e4.png)
![](http://img.e-com-net.com/image/info8/cf5504098eaf4c599f159f2e5b3acfc0.png)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第3张图片](http://img.e-com-net.com/image/info8/13e845d12b864921aed8bf119521d1f6.jpg)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第4张图片](http://img.e-com-net.com/image/info8/5d411a1d858942a180c94cada7152024.jpg)
3.----------------------------------------------------------
![](http://img.e-com-net.com/image/info8/5a3b897d118a474f9f4d5f2bf888954b.png)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第5张图片](http://img.e-com-net.com/image/info8/b722ecccbd6b4a2aa7a1098913f548ed.jpg)
4.----------------------------------------------------------
![](http://img.e-com-net.com/image/info8/c7b3c923569b4b13b3c0cce118659656.png)
获取SCO的source ID为0x2EA9
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第6张图片](http://img.e-com-net.com/image/info8/58e1253352bf4001a67a5e470a27c7ab.jpg)
5.----------------------------------------------------------
![](http://img.e-com-net.com/image/info8/28025d151c4f4525be085d376fc5fdcd.png)
获取SCO的sink ID为0xBA56
6.----------------------------------------------------------
![](http://img.e-com-net.com/image/info8/e0c607d3102a4d13a60d4d36928affa0.png)
![](http://img.e-com-net.com/image/info8/8e45daf775214e568417f6555edf843a.png)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第7张图片](http://img.e-com-net.com/image/info8/132533fc177e4f45a584e869b67c9bc8.jpg)
7.----------------------------------------------------------
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第8张图片](http://img.e-com-net.com/image/info8/7932352e7a184d699ac0fe2486d02e6d.png)
![](http://img.e-com-net.com/image/info8/4833a212887d4798bf19e4873af604f0.png)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第9张图片](http://img.e-com-net.com/image/info8/12891d80d8514b2db7884c2c9dfad87b.jpg)
挂断电话
![](http://img.e-com-net.com/image/info8/e64c413a17b24f2eb5f5ea67d8f7b27f.png)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第10张图片](http://img.e-com-net.com/image/info8/5dd4012cdcf848b59f98c7ccd7e05416.jpg)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第11张图片](http://img.e-com-net.com/image/info8/3e1c8ee888154cf38b970528779dedbe.png)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第12张图片](http://img.e-com-net.com/image/info8/7acd593f9f8c4f72b3ab555f8cee6373.jpg)
![](http://img.e-com-net.com/image/info8/748d194101e64b9ea9c7d27ab2dd7705.png)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第13张图片](http://img.e-com-net.com/image/info8/0c8b80d2347548489ed282244fe3bcac.jpg)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第14张图片](http://img.e-com-net.com/image/info8/e7a65b8aa7af498898ca6eeeaaf06322.png)
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip_第15张图片](http://img.e-com-net.com/image/info8/3c89b2f1e3534da4a7a7da803c298a24.jpg)