From 40ca2394606324c763dca61f71c0cf8224b4ddc2 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Wed, 23 Jan 2019 10:34:27 +0100
Subject: DPDCE: reduce rxgain to 30 in case of calibration failure

---
 python/dpd/RX_Agc.py | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'python/dpd')

diff --git a/python/dpd/RX_Agc.py b/python/dpd/RX_Agc.py
index 911f3c9..bb940be 100644
--- a/python/dpd/RX_Agc.py
+++ b/python/dpd/RX_Agc.py
@@ -73,6 +73,11 @@ class Agc:
             w = "Warning: calculated RX Gain={} is higher than maximum={}. RX feedback power should be increased.".format(
                 self.rxgain, self.max_rxgain)
             logging.warning(w)
+            try:
+                # Reset to a low value, as we expect the user to reduce external attenuation
+                self.adapt.set_rxgain(30)
+            except ValueError as e:
+                return (False, "\n".join([measurements, w, "Setting RX gain to {} failed: {}".format(self.rxgain, e)]))
             return (False, "\n".join([measurements, w]))
         else:
             try:
-- 
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