From b39358f490a24ffe4b8b29227736b8d2eb40b956 Mon Sep 17 00:00:00 2001
From: Derek Kozel <derek.kozel@ettus.com>
Date: Tue, 10 Jul 2018 16:51:14 +0000
Subject: uhd: Expose DC Offset range via multi_usrp interface

---
 host/lib/usrp/multi_usrp.cpp | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'host/lib/usrp/multi_usrp.cpp')

diff --git a/host/lib/usrp/multi_usrp.cpp b/host/lib/usrp/multi_usrp.cpp
index 48da5023b..1d8a0fd7a 100644
--- a/host/lib/usrp/multi_usrp.cpp
+++ b/host/lib/usrp/multi_usrp.cpp
@@ -1541,6 +1541,15 @@ public:
         }
     }
 
+    meta_range_t get_rx_dc_offset_range(size_t chan) {
+        if (_tree->exists(rx_fe_root(chan) / "dc_offset" / "range")) {
+            return _tree->access<uhd::meta_range_t>(rx_fe_root(chan) / "dc_offset" / "range").get();
+        } else {
+            UHD_LOGGER_WARNING("MULTI_USRP") << "This device does not support querying the RX DC offset range." ;
+            return meta_range_t(0, 0);
+        }
+    }
+
     void set_rx_iq_balance(const bool enb, size_t chan){
         if (chan != ALL_CHANS){
             if (_tree->exists(rx_rf_fe_root(chan) / "iq_balance" / "enable")) {
@@ -1912,6 +1921,15 @@ public:
         }
     }
 
+    meta_range_t get_tx_dc_offset_range(size_t chan) {
+        if (_tree->exists(tx_fe_root(chan) / "dc_offset" / "range")) {
+            return _tree->access<uhd::meta_range_t>(tx_fe_root(chan) / "dc_offset" / "range").get();
+        } else {
+            UHD_LOGGER_WARNING("MULTI_USRP") << "This device does not support querying the TX DC offset range." ;
+            return meta_range_t(0, 0);
+        }
+    }
+
     void set_tx_iq_balance(const std::complex<double> &offset, size_t chan){
         if (chan != ALL_CHANS){
             if (_tree->exists(tx_fe_root(chan) / "iq_balance" / "value")) {
-- 
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