From 8203cc8e59f27c3f6f5390a6200701c191f6d1a7 Mon Sep 17 00:00:00 2001
From: George Hotz <george@comma.ai>
Date: Fri, 16 Feb 2018 11:07:20 -0800
Subject: [PATCH] add is_grey

---
 python/__init__.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/python/__init__.py b/python/__init__.py
index 011263f..87d2a30 100644
--- a/python/__init__.py
+++ b/python/__init__.py
@@ -315,6 +315,10 @@ class Panda(object):
   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]