<p>pespin <strong>submitted</strong> this change.</p><p><a href="https://gerrit.osmocom.org/c/osmo-gsm-tester/+/20664">View Change</a></p><div style="white-space:pre-wrap">Approvals:
  pespin: Looks good to me, approved
  Jenkins Builder: Verified

</div><pre style="font-family: monospace,monospace; white-space: pre-wrap;">rfemu_gnuradio_zmq: fix amplitude conversion<br><br>fix dB to amplitude conversion and adjust max attenuation value<br><br>Change-Id: I5a94d5d31e7dc85ab37bd281f95374ad825a41ff<br>---<br>M src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py<br>1 file changed, 4 insertions(+), 3 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;"><span>diff --git a/src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py b/src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py</span><br><span>index c5398a9..3725760 100644</span><br><span>--- a/src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py</span><br><span>+++ b/src/osmo_gsm_tester/obj/rfemu_gnuradio_zmq.py</span><br><span>@@ -188,11 +188,12 @@</span><br><span>     def set_attenuation(self, db):</span><br><span>         for cell in self.enb.gen_conf['enb']['cell_list']:</span><br><span>             if int(cell['cell_id']) == self.cell_id:</span><br><span style="color: hsl(0, 100%, 40%);">-                max_att_db = self.get_max_attenuation()</span><br><span style="color: hsl(0, 100%, 40%);">-                self.broker.cmd_set_relative_gain_on_local_port(cell['zmq_enb_peer_port'], (max_att_db - db)/max_att_db)</span><br><span style="color: hsl(120, 100%, 40%);">+                # convert negative dB to amplitude</span><br><span style="color: hsl(120, 100%, 40%);">+                amp = pow(10, -db/20.0)</span><br><span style="color: hsl(120, 100%, 40%);">+                self.broker.cmd_set_relative_gain_on_local_port(cell['zmq_enb_peer_port'], amp)</span><br><span>                 break</span><br><span> </span><br><span>     def get_max_attenuation(self):</span><br><span style="color: hsl(0, 100%, 40%);">-        return 12 # maximum cell_gain value in srs. Is this correct value?</span><br><span style="color: hsl(120, 100%, 40%);">+        return 200</span><br><span> </span><br><span> # vim: expandtab tabstop=4 shiftwidth=4</span><br><span></span><br></pre><p>To view, visit <a href="https://gerrit.osmocom.org/c/osmo-gsm-tester/+/20664">change 20664</a>. To unsubscribe, or for help writing mail filters, visit <a href="https://gerrit.osmocom.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://gerrit.osmocom.org/c/osmo-gsm-tester/+/20664"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: osmo-gsm-tester </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-Change-Id: I5a94d5d31e7dc85ab37bd281f95374ad825a41ff </div>
<div style="display:none"> Gerrit-Change-Number: 20664 </div>
<div style="display:none"> Gerrit-PatchSet: 2 </div>
<div style="display:none"> Gerrit-Owner: srs_andre <andre@softwareradiosystems.com> </div>
<div style="display:none"> Gerrit-Reviewer: Jenkins Builder </div>
<div style="display:none"> Gerrit-Reviewer: pespin <pespin@sysmocom.de> </div>
<div style="display:none"> Gerrit-MessageType: merged </div>