From b4412c79c026fef94affe8e7c9a1518ab4954183 Mon Sep 17 00:00:00 2001
From: Derek Kozel <derek.kozel@ettus.com>
Date: Tue, 19 Jul 2016 09:27:38 -0700
Subject: multi_usrp: Added LO control API

---
 host/include/uhd/usrp/multi_usrp.hpp | 80 ++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

(limited to 'host/include')

diff --git a/host/include/uhd/usrp/multi_usrp.hpp b/host/include/uhd/usrp/multi_usrp.hpp
index 715a57242..ab757be8a 100644
--- a/host/include/uhd/usrp/multi_usrp.hpp
+++ b/host/include/uhd/usrp/multi_usrp.hpp
@@ -31,6 +31,7 @@
 #define UHD_USRP_MULTI_USRP_GPIO_API
 #define UHD_USRP_MULTI_USRP_REGISTER_API
 #define UHD_USRP_MULTI_USRP_FILTER_API
+#define UHD_USRP_MULTI_USRP_LO_CONFIG_API
 
 #include <uhd/config.hpp>
 #include <uhd/device.hpp>
@@ -112,6 +113,9 @@ public:
     //! A wildcard gain element name
     static const std::string ALL_GAINS;
 
+    //! A wildcard gain element name
+    static const std::string ALL_LOS;
+
     /*!
      * Make a new multi usrp from the device address.
      * \param dev_addr the device address
@@ -486,6 +490,82 @@ public:
      */
     virtual freq_range_t get_fe_rx_freq_range(size_t chan = 0) = 0;
 
+    /*!
+     * Get a list of possible LO stage names
+     * \param chan the channel index 0 to N-1
+     * \return a vector of strings for possible LO names
+     */
+    virtual std::vector<std::string> get_rx_lo_names(size_t chan = 0) = 0;
+
+    /*!
+     * Set the LO source for the usrp device.
+     * For usrps that support selectable LOs, this function
+     * allows switching between them.
+     * Typical options for source: internal, external.
+     * \param src a string representing the LO source
+     * \param name the name of the LO stage to update
+     * \param chan the channel index 0 to N-1
+     */
+    virtual void set_rx_lo_source(const std::string &src, const std::string &name = ALL_LOS, size_t chan = 0) = 0;
+
+    /*!
+     * Get the currently set LO source.
+     * \param name the name of the LO stage to query
+     * \param chan the channel index 0 to N-1
+     * \return the configured LO source
+     */
+    virtual const std::string get_rx_lo_source(const std::string &name = ALL_LOS, size_t chan = 0) = 0;
+
+    /*!
+     * Get a list of possible LO sources.
+     * \param name the name of the LO stage to query
+     * \param chan the channel index 0 to N-1
+     * \return a vector of strings for possible settings
+     */
+    virtual std::vector<std::string> get_rx_lo_sources(const std::string &name = ALL_LOS, size_t chan = 0) = 0;
+
+    /*!
+     * Set whether the LO used by the usrp device is exported
+     * For usrps that support exportable LOs, this function
+     * configures if the LO used by chan is exported or not.
+     * \param enabled if true then export the LO
+     * \param name the name of the LO stage to update
+     * \param chan the channel index 0 to N-1 for the source channel
+     */
+    virtual void set_rx_lo_export_enabled(bool enabled, const std::string &name = ALL_LOS, size_t chan = 0) = 0;
+
+    /*!
+     * Returns true if the currently selected LO is being exported.
+     * \param name the name of the LO stage to query
+     * \param chan the channel index 0 to N-1
+     */
+    virtual bool get_rx_lo_export_enabled(const std::string &name = ALL_LOS, size_t chan = 0) = 0;
+
+    /*!
+     * Set the RX LO frequency (Advanced).
+     * \param freq the frequency to set the LO to
+     * \param name the name of the LO stage to update
+     * \param chan the channel index 0 to N-1
+     * \return a coerced LO frequency
+     */
+    virtual double set_rx_lo_freq(double freq, const std::string &name, size_t chan = 0) = 0;
+
+    /*!
+     * Get the current RX LO frequency (Advanced).
+     * \param name the name of the LO stage to query
+     * \param chan the channel index 0 to N-1
+     * \return the configured LO frequency
+     */
+    virtual double get_rx_lo_freq(const std::string &name, size_t chan = 0) = 0;
+
+    /*!
+     * Get the LO frequency range of the RX LO.
+     * \param name the name of the LO stage to query
+     * \param chan the channel index 0 to N-1
+     * \return a frequency range object
+     */
+    virtual freq_range_t get_rx_lo_freq_range(const std::string &name, size_t chan = 0) = 0;
+
     /*!
      * Set the RX gain value for the specified gain element.
      * For an empty name, distribute across all gain elements.
-- 
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