From f57f616cfd6406cd67681813d464695c8c160f9e Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Wed, 14 Apr 2010 17:19:27 -0700
Subject: Added gain control to rfx. Switched string constants to caps (gains,
 antennas, subdevs). Made dboard interface for aux dac and adc use volts.

---
 host/include/uhd/usrp/dboard_iface.hpp | 8 ++++----
 host/include/uhd/utils/algorithm.hpp   | 6 +++++-
 2 files changed, 9 insertions(+), 5 deletions(-)

(limited to 'host/include')

diff --git a/host/include/uhd/usrp/dboard_iface.hpp b/host/include/uhd/usrp/dboard_iface.hpp
index ca40bf778..71c7be200 100644
--- a/host/include/uhd/usrp/dboard_iface.hpp
+++ b/host/include/uhd/usrp/dboard_iface.hpp
@@ -82,18 +82,18 @@ public:
      *
      * \param unit which unit rx or tx
      * \param which_dac the dac index 0, 1, 2, 3...
-     * \param value the value to write
+     * \param value the value in volts
      */
-    virtual void write_aux_dac(unit_t unit, int which_dac, int value) = 0;
+    virtual void write_aux_dac(unit_t unit, int which_dac, float value) = 0;
 
     /*!
      * Read from an aux adc.
      *
      * \param unit which unit rx or tx
      * \param which_adc the adc index 0, 1, 2, 3...
-     * \return the value that was read
+     * \return the value in volts
      */
-    virtual int read_aux_adc(unit_t unit, int which_adc) = 0;
+    virtual float read_aux_adc(unit_t unit, int which_adc) = 0;
 
     /*!
      * Set a daughterboard ATR register.
diff --git a/host/include/uhd/utils/algorithm.hpp b/host/include/uhd/utils/algorithm.hpp
index 6635c8a4a..cc935b226 100644
--- a/host/include/uhd/utils/algorithm.hpp
+++ b/host/include/uhd/utils/algorithm.hpp
@@ -49,12 +49,16 @@ namespace std{
         return has(iterable.begin(), iterable.end(), elem);
     }
 
-    template<typename T> T signum(T n){
+    template<class T> T signum(T n){
         if (n < 0) return -1;
         if (n > 0) return 1;
         return 0;
     }
 
+    template<class T, class T1, class T2> T clip(T val, T1 minVal, T2 maxVal){
+        return std::min<T>(std::max<T>(val, minVal), maxVal);
+    }
+
 }//namespace std
 
 #endif /* INCLUDED_UHD_UTILS_ALGORITHM_HPP */
-- 
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