saveExtAddr[]与获取终端地址

(void)NLME_GetExtAddr();在调用的时候，会将获得的扩展地址（IEEE地址）保存到saveExtAddr这个数组里，saveExtAddr是在ZDApp.h里定义的：extern uint8 saveExtAddr[];  // Loaded with value by ZDApp_Init().通过后面的注释可以知道，这个数组里的面值在ZDApp_Init()函数里设定。而在ZDApp_Init()函数里正好有(void)NLME_GetExtAddr();

验证办法：

在ZDApp_Init()函数里将代码稍做修改，如下所示：

//==================================前面代码省略============================================

  uint8 addr0 = saveExtAddr[0];
  uint8 addr1 = saveExtAddr[1];
  uint8 addr2 = saveExtAddr[2];
  uint8 addr3 = saveExtAddr[3];
  uint8 addr4 = saveExtAddr[4];
  uint8 addr5 = saveExtAddr[5];
  uint8 addr6 = saveExtAddr[6];
  uint8 addr7 = saveExtAddr[7];
 
  (void)NLME_GetExtAddr();  // Load the saveExtAddr pointer.加载saveExtAddr指针
  
  addr0 = saveExtAddr[0];
  addr1 = saveExtAddr[1];
  addr2 = saveExtAddr[2];
  addr3 = saveExtAddr[3];
  addr4 = saveExtAddr[4];
  addr5 = saveExtAddr[5];
  addr6 = saveExtAddr[6];
  addr7 = saveExtAddr[7];

//==================================后面代码省略============================================

用断点调试方法，可知在NLME_GetExtAddr();  语句执行之前，saveExtAddr里面的值都是0x00，而在执行NLME_GetExtAddr();  这一语句之后，saveExtAddr里的值分别为：c1 91 36 01 00 4b 12 00 。再通过Texas Instruments SmartRF这个软件来读扩展地址，读出来的扩展地址正好是相反的：00 12 4B 00 01 36 91 C1。一个正向保存，一个反向保存，验证完毕。