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  • NRF51822之FICR

    uint32_t deviceID[2];
    union
    {
        uint32_t  DW;
        uint8_t   B[4];
    } device_ID;
    //read device ID


    deviceID[0] = NRF_FICR->DEVICEID[0];
    deviceID[1] = NRF_FICR->DEVICEID[1];

    device_ID.DW=deviceID[0];


    SEGGER_RTT_printf(0, " deviceID[0] 0x%#08x
",deviceID[0]);
    SEGGER_RTT_printf(0, " deviceID[1] 0x%#08x
",deviceID[1]);
    SEGGER_RTT_printf(0, " device_ID.B[0] 0x%#02x
",device_ID.B[0]);

     0>  deviceID[0] 0x973E21A8
     0>  deviceID[1] 0x00674E53
     0>  device_ID.B[0] 0xA8

    验证一下
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  • 原文地址：https://www.cnblogs.com/libra13179/p/7649419.html
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