aboutsummaryrefslogtreecommitdiffstats
path: root/host/lib/usrp/dboard/db_xcvr2450.cpp
diff options
context:
space:
mode:
authorJason Abele <jason@ettus.com>2012-02-01 10:34:23 -0800
committerJosh Blum <josh@joshknows.com>2012-03-11 15:53:59 -0700
commit715fd038325fa4a265328fac2bdb54850b990ea7 (patch)
treefabdd93ee0e790f8692d5f865414bd8a8ac9da2b /host/lib/usrp/dboard/db_xcvr2450.cpp
parent38b138b3f31dfaaa4203d82e73be352a03f59280 (diff)
downloaduhd-715fd038325fa4a265328fac2bdb54850b990ea7.tar.gz
uhd-715fd038325fa4a265328fac2bdb54850b990ea7.tar.bz2
uhd-715fd038325fa4a265328fac2bdb54850b990ea7.zip
Fix RSSI measurement
Improve incorrect calculation in XCVR Remove RFX rssi sensor due to limited dynamic range giving strange results
Diffstat (limited to 'host/lib/usrp/dboard/db_xcvr2450.cpp')
-rw-r--r--host/lib/usrp/dboard/db_xcvr2450.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
index 7c76c45ef..0fdad0d40 100644
--- a/host/lib/usrp/dboard/db_xcvr2450.cpp
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -171,8 +171,8 @@ private:
}
//constants for the rssi calculation
- static const double min_v = 0.5, max_v = 2.5;
- static const double rssi_dyn_range = 60;
+ static const double min_v = 2.5, max_v = 0.5;
+ static const double rssi_dyn_range = 60.0;
//calculate the rssi from the voltage
double voltage = this->get_iface()->read_aux_adc(dboard_iface::UNIT_RX, dboard_iface::AUX_ADC_B);
double rssi = max_power - rssi_dyn_range*(voltage - min_v)/(max_v - min_v);