add is_grey

Author: geohot

python/__init__.py

@@ -315,6 +315,10 @@ def enter_bootloader(self):
   def get_version(self):
     return self._handle.controlRead(Panda.REQUEST_IN, 0xd6, 0, 0, 0x40)
 
+  def is_grey(self):
+    ret = self._handle.controlRead(Panda.REQUEST_IN, 0xc1, 0, 0, 0x40)
+    return ret == "\x01"
+
   def get_serial(self):
     dat = self._handle.controlRead(Panda.REQUEST_IN, 0xd0, 0, 0, 0x20)
     hashsig, calc_hash = dat[0x1c:], hashlib.sha1(dat[0:0x1c]).digest()[0:4]