diff options
| -rw-r--r-- | gr-usrp/src/db_base.py | 3 | ||||
| -rw-r--r-- | gr-usrp/src/usrp.py | 8 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gr-usrp/src/db_base.py b/gr-usrp/src/db_base.py index 787d4c3c3..947f81559 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 f149a3ff8..d5eb1d5a2 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): |