4 files changed, 28 insertions, 1 deletions
diff --git a/host/lib/usrp/usrp2/mboard_impl.cpp b/host/lib/usrp/usrp2/mboard_impl.cpp
index 29e0535f8..520ee49a6 100644
--- a/host/lib/usrp/usrp2/mboard_impl.cpp
+++ b/host/lib/usrp/usrp2/mboard_impl.cpp
@@ -26,6 +26,7 @@
 #include <uhd/usrp/mboard_props.hpp>
 #include <uhd/utils/byteswap.hpp>
 #include <uhd/utils/algorithm.hpp>
+#include <uhd/types/sensors.hpp>
 #include <boost/bind.hpp>
 #include <iostream>
 
@@ -362,11 +363,32 @@ void usrp2_mboard_impl::get(const wax::obj &key_, wax::obj &val){
     case MBOARD_PROP_CLOCK_RATE:
         val = this->get_master_clock_freq();
         return;
+        
+    case MBOARD_PROP_SENSOR:
+        if(key.name == "mimo_locked") {
+            val = sensor_value_t("MIMO", this->get_mimo_locked(), "locked", "unlocked");
+            return;
+        }
+        else if(key.name == "ref_locked") {
+            val = sensor_value_t("Ref", this->get_ref_locked(), "locked", "unlocked");
+            return;
+        } else {
+            UHD_THROW_PROP_GET_ERROR();
+        }
+        break;
 
     default: UHD_THROW_PROP_GET_ERROR();
     }
 }
 
+bool usrp2_mboard_impl::get_mimo_locked(void) {
+  return bool((_iface->peek32(_iface->regs.irq_rb) & (1<<10)) > 0);
+}
+
+bool usrp2_mboard_impl::get_ref_locked(void) {
+  return bool((_iface->peek32(_iface->regs.irq_rb) & (1<<11)) > 0);
+}
+
 /***********************************************************************
  * MBoard Set Properties
  **********************************************************************/
diff --git a/host/lib/usrp/usrp2/usrp2_impl.hpp b/host/lib/usrp/usrp2/usrp2_impl.hpp
index e9ff22b13..ccaf0c9a8 100644
--- a/host/lib/usrp/usrp2/usrp2_impl.hpp
+++ b/host/lib/usrp/usrp2/usrp2_impl.hpp
@@ -163,7 +163,10 @@ private:
     void duc_get(const wax::obj &, wax::obj &, size_t);
     void duc_set(const wax::obj &, const wax::obj &, size_t);
     uhd::dict<std::string, wax_obj_proxy::sptr> _tx_dsp_proxies;
-
+    
+    //sensors methods for mboard
+    bool get_mimo_locked(void);
+    bool get_ref_locked(void);
 };
 
 /*!
diff --git a/host/lib/usrp/usrp2/usrp2_regs.cpp b/host/lib/usrp/usrp2/usrp2_regs.cpp
index 66c3ac137..65236396c 100644
--- a/host/lib/usrp/usrp2/usrp2_regs.cpp
+++ b/host/lib/usrp/usrp2/usrp2_regs.cpp
@@ -64,6 +64,7 @@ usrp2_regs_t usrp2_get_regs(bool use_n2xx_map) {
   x.time64_secs_rb_imm = bp_base + 4*10;
   x.time64_ticks_rb_imm = bp_base + 4*11;
   x.compat_num_rb = bp_base + 4*12;
+  x.irq_rb = bp_base + 4*13;
   x.time64_secs_rb_pps = bp_base + 4*14;
   x.time64_ticks_rb_pps = bp_base + 4*15;
   x.dsp_tx_freq = sr_addr(misc_output_base, x.sr_tx_dsp + 0);
diff --git a/host/lib/usrp/usrp2/usrp2_regs.hpp b/host/lib/usrp/usrp2/usrp2_regs.hpp
index 01f5ee65a..d1fbf3401 100644
--- a/host/lib/usrp/usrp2/usrp2_regs.hpp
+++ b/host/lib/usrp/usrp2/usrp2_regs.hpp
@@ -66,6 +66,7 @@ typedef struct {
     int time64_secs_rb_pps;
     int time64_ticks_rb_pps;
     int compat_num_rb;
+    int irq_rb;
     int dsp_tx_freq;
     int dsp_tx_scale_iq;
     int dsp_tx_interp_rate;