Firmware now works with older Chipcon radios.

[goodfet] / client / GoodFETAVR.py

diff --git a/client/GoodFETAVR.py b/client/GoodFETAVR.py
index 2f06722..d950b53 100644 (file)
--- a/client/GoodFETAVR.py
+++ b/client/GoodFETAVR.py
@@ -67,6 +67,21 @@ class GoodFETAVR(GoodFET):
     def start(self):
         """Start the connection."""
         self.writecmd(self.AVRAPP,0x20,0,None);
     def start(self):
         """Start the connection."""
         self.writecmd(self.AVRAPP,0x20,0,None);

+    def glitchstart(self):
+        """Glitch into the AVR application."""
+        self.glitchVerb(self.AVRAPP,0x20,None);
+    def glitchstarttime(self):
+        """Measure the timer of the START verb."""
+        return self.glitchTime(self.AVRAPP,0x20,None);
+    def forcestart(self):
+        """Forcibly start a connection."""
+        
+        for i in range(0x880,0xfff):
+            #self.glitchVoltages(0x880, i);
+            self.start();
+            bits=self.lockbits();
+            print "At %04x, Lockbits: %02x" % (i,bits);
+            if(bits==0xFF): return;

     def erase(self):
         """Erase the target chip."""
         self.writecmd(self.AVRAPP,0xF0,0,None);
     def erase(self):
         """Erase the target chip."""
         self.writecmd(self.AVRAPP,0xF0,0,None);


@@ -74,6 +89,11 @@ class GoodFETAVR(GoodFET):
         """Read the target's lockbits."""
         self.writecmd(self.AVRAPP,0x82,0,None);
         return ord(self.data[0]);
         """Read the target's lockbits."""
         self.writecmd(self.AVRAPP,0x82,0,None);
         return ord(self.data[0]);

+    def setlockbits(self,bits=0x00):
+        """Read the target's lockbits."""
+        self.writecmd(self.AVRAPP,0x92,1,[bits]);
+        return self.lockbits();
+    

     def eeprompeek(self, adr):
         """Read a byte of the target's EEPROM."""
         self.writecmd(self.AVRAPP,0x81 ,2,
     def eeprompeek(self, adr):
         """Read a byte of the target's EEPROM."""
         self.writecmd(self.AVRAPP,0x81 ,2,