+
+ return buffer;
+ def RF_rxpacketdec(self):
+ """Get and decrypt a packet from the radio. Returns None if
+ none is waiting."""
+
+ data="\0";
+ self.data=data;
+ self.writecmd(self.CCSPIAPP,0x90,len(data),data);
+ buffer=self.data;
+
+ self.lastpacket=buffer;
+ if(len(buffer)==0):
+ return None;
+