From f3bf32df9f747aa47f8463516e817c305e731231 Mon Sep 17 00:00:00 2001
From: Josh Blum <josh@joshknows.com>
Date: Fri, 3 Dec 2010 15:54:04 -0500
Subject: usrp-n: set ad9777 mod mode to transmit above nyquist of DSP

---
 host/lib/usrp/usrp2/codec_ctrl.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'host/lib/usrp/usrp2/codec_ctrl.hpp')

diff --git a/host/lib/usrp/usrp2/codec_ctrl.hpp b/host/lib/usrp/usrp2/codec_ctrl.hpp
index 57a37b94b..c8d977a1f 100644
--- a/host/lib/usrp/usrp2/codec_ctrl.hpp
+++ b/host/lib/usrp/usrp2/codec_ctrl.hpp
@@ -33,6 +33,15 @@ public:
      */
     static sptr make(usrp2_iface::sptr iface);
 
+    /*!
+     * Set the modulation mode for the DAC.
+     * Possible modes are 0, +/-1, +/-2, +/-4, +/-8
+     * which correspond to shifts of fs/mod_mode.
+     * A mode of 0 or +/-1 means no modulation.
+     * \param mod_mode the modulation mode
+     */
+    virtual void set_tx_mod_mode(int mod_mode) = 0;
+
     /*!
      * Set the analog preamplifier on the USRP2+ ADC (ADS62P44).
      * \param gain enable or disable the 3.5dB preamp
-- 
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