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cc2640r2f调用GATT_Notification这个函数的具体使用方法,主机总收不到数据。

我在特征值1里面接收到数据以后,想要给主机一个回复,调用下面这串代码,结果主机收不到数据,请问还有什么别的地方需要配置的吗?

attHandleValueNoti_t req;

req.handle=0x0028;
req.len=1;
req.pValue[0]=1;
GATT_Notification(0,req,false);