From: matt <matt@221aa14e-8319-0410-a670-987f0aec2ac5>
Date: Sun, 10 Feb 2008 23:36:53 +0000 (+0000)
Subject: allow for iq swap on TX side as well
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=1eeb01e36a6f0c622b7779aba3c29942b21a79fa;p=debian%2Fgnuradio

allow for iq swap on TX side as well


git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7626 221aa14e-8319-0410-a670-987f0aec2ac5
---

diff --git a/gr-usrp/src/db_base.py b/gr-usrp/src/db_base.py
index 787d4c3c..947f8155 100644
--- a/gr-usrp/src/db_base.py
+++ b/gr-usrp/src/db_base.py
@@ -214,7 +214,8 @@ class db_base(object):
 
     def i_and_q_swapped(self):
         """
-        Return True if this is a quadrature device and ADC 0 is Q.
+        Return True if this is a quadrature device and (for RX) ADC 0 is Q
+        or (for TX) DAC 0 is Q
         """
         return False
 
diff --git a/gr-usrp/src/usrp.py b/gr-usrp/src/usrp.py
index f149a3ff..d5eb1d5a 100644
--- a/gr-usrp/src/usrp.py
+++ b/gr-usrp/src/usrp.py
@@ -367,11 +367,15 @@ def determine_tx_mux_value(u, subdev_spec):
     # determine the value manually.
 
     side = subdev_spec[0]  # side A = 0, side B = 1
-
     if not(side in (0, 1)):
         raise ValueError, "Invalid subdev_spec: %r:" % (subdev_spec,)
 
-    return gru.hexint([0x0098, 0x9800][side])
+    db = u.db[side]
+
+    if(db[0].i_and_q_swapped()):
+        return gru.hexint([0x0089, 0x8900][side])
+    else:
+        return gru.hexint([0x0098, 0x9800][side])
 
 
 def selected_subdev(u, subdev_spec):