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
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip 蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip](https://image.shishitao.com:8440/aHR0cHM6Ly93d3cuaXRkYWFuLmNvbS9nby9hSFIwY0RvdkwybHRaeTVpYkc5bkxtTnpaRzR1Ym1WMEx6SXdNVFl3TmpBek1UWTBOak00T0RVNFAzZGhkR1Z5YldGeWF5OHlMM1JsZUhRdllVaFNNR05FYjNaTU1rcHpZakpqZFZrelRtdGlhVFYxV2xoUmRpOW1iMjUwTHpWaE5rdzFUREpVTDJadmJuUnphWHBsTHpRd01DOW1hV3hzTDBrd1NrSlJhMFpEVFVFOVBTOWthWE56YjJ4MlpTODNNQzluY21GMmFYUjVMME5sYm5SbGNnPT0%3D.jpg?w=700&webp=1)
三.步骤:
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![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip 蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip](https://image.shishitao.com:8440/aHR0cHM6Ly93d3cuaXRkYWFuLmNvbS9nby9hSFIwY0RvdkwybHRaeTVpYkc5bkxtTnpaRzR1Ym1WMEx6SXdNVFl3TmpBek1UWTBOalUzTlRFMVAzZGhkR1Z5YldGeWF5OHlMM1JsZUhRdllVaFNNR05FYjNaTU1rcHpZakpqZFZrelRtdGlhVFYxV2xoUmRpOW1iMjUwTHpWaE5rdzFUREpVTDJadmJuUnphWHBsTHpRd01DOW1hV3hzTDBrd1NrSlJhMFpEVFVFOVBTOWthWE56YjJ4MlpTODNNQzluY21GMmFYUjVMME5sYm5SbGNnPT0%3D.jpg?w=700&webp=1)
获取I2S的sink ID为0xBA5F
![蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip 蓝牙 WBS 宽带通话 (wide band speech) 剖析(二) -- BCCMD control chip](https://image.shishitao.com:8440/aHR0cHM6Ly93d3cuaXRkYWFuLmNvbS9nby9hSFIwY0RvdkwybHRaeTVpYkc5bkxtTnpaRzR1Ym1WMEx6SXdNVFl3TmpBek1UWTBOekEzTWpJd1AzZGhkR1Z5YldGeWF5OHlMM1JsZUhRdllVaFNNR05FYjNaTU1rcHpZakpqZFZrelRtdGlhVFYxV2xoUmRpOW1iMjUwTHpWaE5rdzFUREpVTDJadmJuUnphWHBsTHpRd01DOW1hV3hzTDBrd1NrSlJhMFpEVFVFOVBTOWthWE56YjJ4MlpTODNNQzluY21GMmFYUjVMME5sYm5SbGNnPT0%3D.jpg?w=700&webp=1)
获取I2S的sink ID为0xBA57
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获取SCO的source ID为0x2EA9
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挂断电话