From 1718f3aedefdc706093b07ab4964aefcc77a0b93 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Thu, 22 Dec 2011 14:45:20 +0000
Subject: added calibration for XO 1.75 resistance

---
(limited to 'plugins/audio_sensors')

diff --git a/plugins/audio_sensors/audio_sensors.py b/plugins/audio_sensors/audio_sensors.py
index 6b32e41..e0d7c76 100644
--- a/plugins/audio_sensors/audio_sensors.py
+++ b/plugins/audio_sensors/audio_sensors.py
@@ -340,12 +340,14 @@ class Audio_sensors(Plugin):
             if self.hw == XO1:
                 resistance = 2.718 ** ((float(_avg(buf)) * 0.000045788) + \
                                            8.0531)
-            else:
+            elif self.hw == XO15:
                 avg_buf = float(_avg(buf))
                 if avg_buf > 0:
                     resistance = (420000000 / avg_buf) - 13500
                 else:
                     resistance = 420000000
+            else:  # XO 1.75
+                return (46000000 / (30514 - avg_buffer)) - 1150
             if channel == 0:
                 self._parent.lc.update_label_value('resistance', resistance)
             else:
--
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