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authorIan Buckley <github@ionconcepts.com>2015-09-03 15:55:05 -0700
committerMartin Braun <martin.braun@ettus.com>2015-09-08 09:24:15 -0700
commitcc6c82befcf30f0b8488be918f817b3b9a3e7808 (patch)
treed1f7b85fb77cb660806c2b91cc746dfafdb4830e /host/lib/usrp/x300/x300_impl.cpp
parent43fdc0e84ba577adc799a159c28016bd09a8992d (diff)
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cores: Corrected scaling_adjustment calculation
Compensate for headroom required to rotate a signal in the CORDIC. Fixes some CORDIC-related clipping issues, that reduced ENOB to 15 or 14.5 bits.
Diffstat (limited to 'host/lib/usrp/x300/x300_impl.cpp')
-rw-r--r--host/lib/usrp/x300/x300_impl.cpp8
1 files changed, 8 insertions, 0 deletions
diff --git a/host/lib/usrp/x300/x300_impl.cpp b/host/lib/usrp/x300/x300_impl.cpp
index f57556a8b..1e424414e 100644
--- a/host/lib/usrp/x300/x300_impl.cpp
+++ b/host/lib/usrp/x300/x300_impl.cpp
@@ -1334,6 +1334,14 @@ void x300_impl::register_loopback_self_test(wb_iface::sptr iface)
UHD_MSG(status) << ((test_fail)? " fail" : "pass") << std::endl;
}
+void x300_impl::radio_loopback(wb_iface::sptr iface, const bool on)
+{
+ iface->poke32(radio::sr_addr(radio::LOOPBACK), (on ? 0x1 : 0x0));
+ UHD_MSG(status) << ((on)? "Radio Loopback On" : "Radio Loopback Off") << std::endl;
+}
+
+
+
/***********************************************************************
* clock and time control logic
**********************************************************************/