+ def RF_txpacket(self,payload):
+ """Transmit a packet. Untested."""
+ if self.peek(0x07) & 0x40:
+ #Packet has arrived.
+ self.writecmd(self.NRFAPP,0x81,0,None); #RX Packet
+ data=self.data;
+ self.poke(0x07,0x40);#clear bit.
+ return data;
+ elif self.peek(0x07)==0:
+ self.writecmd(self.NRFAPP,0x83,0,None); #Flush
+ self.poke(0x07,0x40);#clear bit.
+ return None;
+
+ def RF_carrier(self):
+ """Hold a carrier wave on the present frequency."""
+ # Set CONT_WAVE, PLL_LOCK, and 0dBm in RF_SETUP
+ self.poke(0x06,8+10+4+2);
+
+ packetlen=16;
+ def RF_setpacketlen(self,len=16):
+ """Set the number of bytes in the expected payload."""
+ self.poke(0x11,len);
+ self.packetlen=len;
+ def RF_getpacketlen(self):
+ """Set the number of bytes in the expected payload."""
+ len=self.peek(0x11);
+ self.packetlen=len;
+ return len;
+ maclen=5;
+ def RF_getmaclen(self):
+ """Get the number of bytes in the MAC address."""
+ choices=[2, 3, 4, 5];
+ choice=self.peek(0x03)&3;
+ self.maclen=choices[choice];
+ return self.maclen;
+ def RF_setmaclen(self,len):
+ """Set the number of bytes in the MAC address."""
+ choices=["illegal", "illegal",
+ 0, #undocumented
+ 1, 2, 3 #documented
+ ];
+ choice=choices[len];
+ self.poke(0x03,choice);
+ self.maclen=len;