rmspeers on GoodFETCCSPI fixing RF_autocrc and adding support to act like a TinyOS...

[goodfet] / client / GoodFETCCSPI.py

diff --git a/client/GoodFETCCSPI.py b/client/GoodFETCCSPI.py
index e205811..3e17532 100644 (file)
--- a/client/GoodFETCCSPI.py
+++ b/client/GoodFETCCSPI.py
@@ -24,6 +24,7 @@ class GoodFETCCSPI(GoodFET):
         self.poke(0x12, 0x0500); #MDMCTRL1
         self.poke(0x1C, 0x007F); #IOCFG0
         self.poke(0x19, 0x01C4); #SECCTRL0, disabling crypto
+        self.RF_setsync();
         
     def ident(self):
         return self.peek(0x1E); #MANFIDL
@@ -120,10 +121,18 @@ class GoodFETCCSPI(GoodFET):
         return 0;
     def RF_setrate(self,rate=0):
         return 0;
+    def RF_getsync(self):
+        return self.peek(0x14);
+    def RF_setsync(self,sync=0xa70F):
+        """Set the SYNC preamble.
+        Use 0xA70F for 0xA7."""
+        self.poke(0x14,sync);
+        return;
+    
     def RF_setfreq(self,frequency):
         """Set the frequency in Hz."""
         mhz=frequency/1000000;
-        fsctrl=self.peek(0x18)&~0x3FF;
+        fsctrl=0x8000; #self.peek(0x18)&(~0x3FF);
         fsctrl=fsctrl+int(mhz-2048)
         self.poke(0x18,fsctrl);
         self.strobe(0x02);
@@ -247,7 +256,14 @@ class GoodFETCCSPI(GoodFET):
             mdmctrl0=mdmctrl0|0x800;
         self.poke(0x11,mdmctrl0);
         return;
-        
+    def RF_autocrc(self,autocrc=1):
+        mdmctrl0=self.peek(0x11);
+        if autocrc==0:
+            mdmctrl0=mdmctrl0&(~0x0020);
+        else:
+            mdmctrl0=mdmctrl0|0x0020;
+        self.poke(0x11,mdmctrl0);
+        return;
     packetlen=16;
     def RF_setpacketlen(self,len=16):
         """Set the number of bytes in the expected payload."""