# packets. It can be manually disabled later.
self.poke8(0x60,0xFF); #TODO Does this have any unpleasant side effects?
- #Set the default rate of 125kHz.
- self.MCPsetrate(125);
+ #Set the default rate.
+ self.MCPsetrate();
+
+ #Array of supported rates.
+ MCPrates=[100,125,250,500,1000];
def MCPsetrate(self,rate=125):
"""Sets the data rate in kHz."""
CNF1=0x04;
CNF2=0xB8;
CNF3=0x05;
- elif rate==500:
- #500 kHz, 20 TQ
- CNF1=0x00;
- CNF2=0xBA;
- CNF3=0x07;
- pass;
elif rate==100:
#100 kHz, 20 TQ
CNF1=0x04;
CNF2=0xBA;
CNF3=0x07;
- pass;
+ elif rate==250:
+ #256 kHz, 20 TQ
+ CNF1=0x01;
+ CNF2=0xBA;
+ CNF3=0x07;
+ elif rate==500:
+ #500 kHz, 20 TQ
+ CNF1=0x00;
+ CNF2=0xBA;
+ CNF3=0x07;
elif rate==1000:
#1,000 kHz, 10 TQ
CNF1=0x00;
CNF3=0x02;
print "WARNING: Because of chip errata, this probably won't work."
else:
- print "Given unsupported rate of %i kHz.";
+ print "Given unsupported rate of %i kHz." % rate;
print "Defaulting to 125kHz.";
CNF1=0x04;
CNF2=0xB8;