【经验】如何评估SIlicon Labs蓝牙AoA基站HOST端使用的MCU资源

时间： 2023-03-04 来源：世强

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在设计蓝牙AoA基站时，我们需要评估基站端的主控所需的主频和内存资源大小，其资源评估我们可以先在linux系统上进行评估。

1、基站HOST端的程序移植到linux平台可以参考https://www.sekorm.com/news/30200853.html

2、移植后进行编译，编译完成后通过./exe/bt_aoa_host_locator–u<设备串口路径>运行程序，如果是在嵌入式linux系统上运行，可以在指令最后加上&，使其后台运行。

3、输入top指令查看目前程序占用情况，然后给一个标签上电，查看资源占用情况，可以看到当接入一个标签后，运行了算法，CPU占用率增加了不少。

4、随后依次上电第二个标签和第三个标签，查看CPU占用率增加量，以此来评估每接入一个标签占用的CPU资源和内存资源。

最后，不同的主控平台，运行同一个AoA的基站算法消耗的资源会有差异，该方式仅供参考评估，实际还是需要以在对应平台实测为准。

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BGA112,SI8620AB-B-IS,SI8719BC-A-IS,SI8631EC-B-IS1,C8051F565-AM,EZR32WG330F64R55G,SI8235AB-C-IS1,C8051F835-GS,SI1132,SI3500-A-GM,TS1102-100,C8051F506-AM,C8051F565-AQ,SL2309NZ,SI8065AA-B-IU,EZR32LG230F64R60G,C8051F551-AM,EZR32LG230F128R60G,EFM32LG980FX - QFP100,SI8640AB-B-IS1,SI8600AD-B-IS,SI8710BC-B-IP,SI8710BC-B-IS,C8051F007,EFM32LG290FX - BGA112,SI8712BD-B-IM,EFM32GG295FX - BGA120,C8051F38C-GQ,SI8244BB-C-IS1,C8051F000,C8051F002,C8051F38C-GM,C8051F001,SI8620EC-B-IS,TS1005,TS1004,C8051F006,TS1003,C8051F005,TS1002,TS1001,C8051F963-B-GM,C8051F504-AQ,EFM8SB10F4G-A-QFN20,C8051F823-GS,EZR32LG230F128R61G,C8051F020,EFM32TG822FX - QFP48,SI8650BC-B-IS1,C8051F388-GQ,EFM32G200FX - QFN32,C8051F537-C-AM,C8051F563-IM,C8051F019,EZR32WG330F256R55G,C8051F018,C8051F563-IQ,C8051F011,SI2401,SI4822,C8051F010,EFM32TG222FX - QFP48,EFM32TG210FX - QFN32,SI4820,C8051F012,C8051F015,SI4826,SI2404,SI4827,C8051F017,SI4824,C8051F016,C8051F504-AM,SI4825,EFM32WG232FX - QFP64,C8051T602-GS,C8051T327-GM,C8051T602-GM,BGM111,EZR32WG330F128R68G,C8051F863-C-GS,SI88244ED-IS,C8051F811-GS,C8051F589-AM,SI8421BD-B-IS,C8051F537-C-AT,EFM32GG395FX - 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