#Set up the radio for ZigBee
self.strobe(0x01); #SXOSCON
+ self.strobe(0x02); #SCAL
self.poke(0x11, 0x0AC2); #MDMCTRL0
self.poke(0x12, 0x0500); #MDMCTRL1
self.poke(0x1C, 0x007F); #IOCFG0
def status(self):
"""Read the status byte."""
+ statusbits={0x80: "?",
+ 0x40: "XOSC16M_STABLE",
+ 0x20: "TX_UNDERFLOW",
+ 0x10: "ENC_BUSY",
+ 0x08: "TX_ACTIVE",
+ 0x04: "LOCK",
+ 0x02: "RSSI_VALID",
+ 0x01: "?"};
status=self.strobe(0x00);
- print "Status=%02x" % status;
+ i=1;
+ str="";
+ while i<0x100:
+ if status&i:
+ str="%s %s" % (statusbits[i],str);
+ i*=2;
+ return str;
#Radio stuff begins here.
def RF_setenc(self,code="802.15.4"):
fsctrl=self.peek(0x18)&~0x3FF;
fsctrl=fsctrl+int(mhz-2048)
self.poke(0x18,fsctrl);
+ self.strobe(0x02);
def RF_getfreq(self):
"""Get the frequency in Hz."""
fsctrl=self.peek(0x18);
contents.
"""
- # TODO -- Flush only if there's an overflow.
- self.strobe(0x08); #SFLUSHRX
-
data="\0";
self.data=data;
self.writecmd(self.CCSPIAPP,0x80,len(data),data);
if(len(buffer)==0):
return None;
return buffer;
- def RF_rxpacket_old(self):
- """Get a packet from the radio. Returns None if none is waiting. In
- order to not require the SFD, FIFO, or FIFOP lines, this
- implementation works by comparing the buffer to the older
- contents.
- """
- self.strobe(0x03); #SRXON
- self.strobe(0x08); #SFLUSHRX
-
- buffer=range(0,0xff);
- buffer[0]=0x3F | 0x40; #RXFIFO
- buffer=self.trans(buffer);
-
- new=False;
- for foo in range(0,ord(buffer[0])):
- if buffer[foo]!=self.lastpacket[foo]:
- new=True;
- if not new:
- return None;
-
-
- self.lastpacket=buffer;
- return buffer;
+ def RF_txpacket(self,packet):
+ """Send a packet through the radio."""
+ self.writecmd(self.CCSPIAPP,0x81,len(packet),packet);
+ time.sleep(1);
+ self.strobe(0x09);
+ return;
+
def RF_carrier(self):
"""Hold a carrier wave on the present frequency."""
print "Don't know how to hold a carrier.";
def RF_promiscuity(self,promiscuous=1):
mdmctrl0=self.peek(0x11);
- print "mdmctrl0 was %04x" % mdmctrl0;
+ #print "mdmctrl0 was %04x" % mdmctrl0;
mdmctrl0=mdmctrl0&(~0x800);
- print "mdmctrl0 is now %04x" % mdmctrl0;
+ #print "mdmctrl0 is now %04x" % mdmctrl0;
self.poke(0x11,mdmctrl0);
return;