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安装斗篷

  1. 将匹配的斗篷安装在BeagleBone Black如 Cape 用户手册中所述。

  2. 供电给BeagleBone Black

  3. 使用以下命令检查连接:

    cat /sys/devices/platform/bone_capemgr/slots

    例如,您会得到以下输出:

    Mon
    0: P---L-   0 cape-CBB-Serial,r01,Logic Supply,cape-CBB-Serial
    1: PF----  -1
    2: PF----  -1
    3: PF----  -1
  4. 或者,您也可以按如下方式检查内核显示:

    dmesg | grep cape

    输出应如下所示:

    ...
    
    [3.719868] bone_capemgr bone_capemgr: Baseboard: 'A335BNLT,000B,1614BBBK0256'
    [3.719904] bone_capemgr bone_capemgr: compatible-baseboard=ti,beaglebone-black - #slots=4
    [3.762237] bone_capemgr bone_capemgr: slot #0: 'cape-CBB-Serial,r01,Logic Supply,cape-CBB-Serial'
    [3.818178] bone_capemgr bone_capemgr: slot #1: No cape found
    [3.878171] bone_capemgr bone_capemgr: slot #2: No cape found
    [3.938165] bone_capemgr bone_capemgr: slot #3: No cape found
    [3.944194] bone_capemgr bone_capemgr: initialized OK.
    [3.963568] bone_capemgr bone_capemgr: slot #0: dtbo 'cape-CBB-Serial-r01.dtbo' loaded; overlay id #0
    
    ...

    此输出显示已检测到 cape 并加载了相应的设备树覆盖。