return hz;
+
+ def CC1110_crystal(self):
+ """Start the main crystal of the CC1110 oscillating, needed for radio use."""
+
+ #//C code for the same.
+ #SLEEP &= ~SLEEP_OSC_PD;
+ #while( !(SLEEP & SLEEP_XOSC_S) );
+ #CLKCON = (CLKCON & ~(CLKCON_CLKSPD | CLKCON_OSC)) | CLKSPD_DIV_1;
+ #while (CLKCON & CLKCON_OSC);
+ #SLEEP |= SLEEP_OSC_PD;
+
+ #registers and constants.
+ #FIXME cc1110 specific
+ SLEEP=0xDFBE;
+ SLEEP_OSC_PD=0x04;
+ CLKCON=0xDFC6;
+ SLEEP_XOSC_S=0x40;
+ CLKCON_CLKSPD=0x07
+ CLKCON_OSC=0x40;
+ CLKSPD_DIV_1=0x00;
+
+ sleep=self.peekbyte(SLEEP);
+ sleep&=~SLEEP_XOSC_S;
+ self.pokebyte(SLEEP,sleep);
+ while(0==(self.peekbyte(SLEEP)&SLEEP_XOSC_S)):
+ time.sleep(0.1);
+ clkcon=self.peekbyte(CLKCON);
+ clkcon=(clkcon & ~(CLKCON_CLKSPD | CLKCON_OSC)) | CLKSPD_DIV_1
+ self.pokebyte(CLKCON,clkcon);
+ clkcon=0;
+ while(clkcon&CLKCON_OSC):
+ clkcon=self.peekbyte(CLKCON);
+ sleep=self.peekbyte(SLEEP);
+ sleep|=SLEEP_OSC_PD;
+ self.pokebyte(SLEEP,sleep);
+
+ return;
+ def RF_idle(self):
+ RFST=0xDFE1
+ self.pokebyte(RFST,0x04); #Return to idle state.
+
def RF_carrier(self):
"""Hold a carrier wave on the present frequency."""
+
+ self.CC1110_crystal(); #FIXME, '1110 specific.
+ self.RF_idle();
+
+ #self.resume();
+ #time.sleep(1);
+ #self.halt();
+
+ RFST=0xDFE1;
+
+
+ #0a00
+ #self.pokebysym("FSCTRL1" , 0x12) # Frequency synthesizer control.
+ #self.pokebysym("FSCTRL0" , 0x00) # Frequency synthesizer control.
+ self.pokebysym("FSCTRL1" , 0x0a) # Frequency synthesizer control.
+ self.pokebysym("FSCTRL0" , 0x00) # Frequency synthesizer control.
+
+ #Don't change these while the radio is active.
+ self.pokebysym("FSCAL3" , 0xA9) # Frequency synthesizer calibration.
+ self.pokebysym("FSCAL2" , 0x0A) # Frequency synthesizer calibration.
+ self.pokebysym("FSCAL1" , 0x00) # Frequency synthesizer calibration.
+ self.pokebysym("FSCAL0" , 0x11) # Frequency synthesizer calibration.
+
+ #Ossmann's settings, not yet sure how they differ.
+ #self.pokebysym("FSCAL3" , 0xEA) # Frequency synthesizer calibration.
+ #self.pokebysym("FSCAL2" , 0x2A) # Frequency synthesizer calibration.
+ #self.pokebysym("FSCAL1" , 0x00) # Frequency synthesizer calibration.
+ #self.pokebysym("FSCAL0" , 0x1F) # Frequency synthesizer calibration.
+
+
+ #self.pokebysym("FREQ2" , 0x10) # Frequency control word, high byte.
+ #self.pokebysym("FREQ1" , 0xEC) # Frequency control word, middle byte.
+ #self.pokebysym("FREQ0" , 0x4E) # Frequency control word, low byte.
+ self.pokebysym("MDMCFG4" , 0x86) # Modem configuration.
+ self.pokebysym("MDMCFG3" , 0x83) # Modem configuration.
+ self.pokebysym("MDMCFG2" , 0x30) # Modem configuration.
+ self.pokebysym("MDMCFG1" , 0x22) # Modem configuration.
+ self.pokebysym("MDMCFG0" , 0xF8) # Modem configuration.
+ self.pokebysym("CHANNR" , 0x00) # Channel number.
+ self.pokebysym("DEVIATN" , 0x00) # Modem deviation setting (when FSK modulation is enabled).
+ self.pokebysym("FREND1" , 0x56) # Front end RX configuration.
+
+ self.pokebysym("FREND0" , 0x10) # Front end RX configuration.
+ self.pokebysym("MCSM0" , 0x14) # Main Radio Control State Machine configuration.
+ self.pokebysym("FOCCFG" , 0x16) # Frequency Offset Compensation Configuration.
+ self.pokebysym("BSCFG" , 0x6C) # Bit synchronization Configuration.
+
+ self.pokebysym("AGCCTRL2" , 0x03) # AGC control.
+ self.pokebysym("AGCCTRL1" , 0x40) # AGC control.
+ self.pokebysym("AGCCTRL0" , 0x91) # AGC control.
+
+
+
+
+
+
+ self.pokebysym("TEST2" , 0x88) # Various test settings.
+ self.pokebysym("TEST1" , 0x31) # Various test settings.
+ self.pokebysym("TEST0" , 0x09) # Various test settings.
+ self.pokebysym("PA_TABLE0", 0xC0) # PA output power setting.
+ self.pokebysym("PKTCTRL1" , 0x04) # Packet automation control.
+ self.pokebysym("PKTCTRL0" , 0x22) # Packet automation control.
+ self.pokebysym("ADDR" , 0x00) # Device address.
+ self.pokebysym("PKTLEN" , 0xFF) # Packet length.
+
self.pokebysym("SYNC1",0xAA);
self.pokebysym("SYNC0",0xAA);
- #Put radio in TX
- self.pokebyte(0xdfe1,0x03); #RFST=RFST_STX
-
- print "Holding a carrier on %f MHz." % (self.RF_getfreq()/10**6);
+
#while ((MARCSTATE & MARCSTATE_MARC_STATE) != MARC_STATE_TX);
state=0;
- while( (state!=0x13)):
+
+ while((state!=0x13)):
+ self.pokebyte(RFST,0x03); #RFST=RFST_STX
time.sleep(0.1);
state=self.peekbysym("MARCSTATE")&0x1F;
print "state=%02x" % state;
+ print "Holding a carrier on %f MHz." % (self.RF_getfreq()/10**6);
+
+ #Not needed, radio works when CPU is halted.
+ #self.resume();
+
return;