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cie设备没有回复enroll response

Zsack3.0协议栈         cie设备使用的是TI的IAS例程中的SampleCIE

enddevice enrollrequest             enddevice使用的例程是SampleFireDetector

if ( keys & HAL_KEY_SW_2 )
{
// zone enrollment request to CIE, only perform after writing cie address attribute value
HalLedSet ( HAL_LED_1, HAL_LED_MODE_OFF );
afAddrType_t zclCIE_Addr;


zclCIE_Addr.addrMode = (afAddrMode_t)(Addr16Bit);
zclCIE_Addr.endPoint = AF_BROADCAST_ENDPOINT;

zclSS_IAS_Send_ZoneStatusEnrollRequestCmd( SAMPLEFIREDETECTOR_ENDPOINT,
&zclCIE_Addr,
zclSampleFireDetector_ZoneType,
22, 0, 1);

使用ubiqua抓包看到enroll request信息,cie并没有回复,会是什么原因呢?