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ZigBee BatteryPowered Device 退网之后重新入网十分困难



我在做一个被动红外探测器,目标是为了实现深度睡眠,可是在执行退网操作之后,尝试重新入网,有时候能重新入网成功,有时候尝试很多遍就是没法再次入网。但是只要先把电池拔出来再重新上电,那么设备入网就特别顺利。有没有什么好方法在不断电的情况下退网之后还能顺利的重新入网?

下面的退网代码有啥问题吗?

void BasicResetCB( void )
{
  NLME_LeaveReq_t leaveReq;
  // Set every field to 0
  osal_memset( &leaveReq, 0, sizeof( NLME_LeaveReq_t ) );

  // This will enable the device to rejoin the network after reset.
  leaveReq.rejoin = TRUE;  
  
  // Set the NV startup option to force a "new" join.
  zgWriteStartupOptions( ZG_STARTUP_SET, ZCD_STARTOPT_DEFAULT_NETWORK_STATE );

  // Leave the network, and reset afterwards
  if ( NLME_LeaveReq( &leaveReq ) != ZSuccess )
  {
    // Couldn't send out leave; prepare to reset anyway
    ZDApp_LeaveReset( FALSE );
  }
  
}
  • 拔掉电池以后,节点是通过什么方式入网的,join 还是rejoin?

    退网代码没问题。

    使用的是最新版本的协议栈吗?

  • 版本:1.2.2

    预编译加了 HOLD_AUTO_START,

    用户App 初始化时

    ZDOInitDevice(0);

    ZDApp_StartJoiningCycle();

    后来我觉得(猜想)可能是因为End Device 先启动加网一段时间后Coordinator才允许入网,于是导致End Device越过了Coordinator所在的信道的扫描,所以End Device很难再次入网。(这仅仅是猜想)

    于是我把退网代码改成如下:

    void BasicResetCB( void )
    {
      	NLME_LeaveReq_t leaveReq;
      	// Set every field to 0
      	osal_memset( &leaveReq, 0, sizeof( NLME_LeaveReq_t ) );
    
      	// This will enable the device to rejoin the network after reset. //leaveReq.rejoin = TRUE;  
      
      	// Set the NV startup option to force a "new" join.
      	zgWriteStartupOptions( ZG_STARTUP_SET, ZCD_STARTOPT_DEFAULT_NETWORK_STATE );
    
      	// Leave the network, and reset afterwards
      	if ( NLME_LeaveReq( &leaveReq ) != ZSuccess )
      	{
        	// Couldn't send out leave; prepare to reset anyway
        	ZDApp_LeaveReset( FALSE );
      	}
      	else { SystemResetSoft(); } }
    

    并且在确保在End Device入网之前先让Coordinator允许入网,这样End Device退网之后再入网就很顺利了。

    不知道有没有更好的解决办法?

  • 谢谢,解决了。