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-rw-r--r--host/lib/usrp/dboard/db_xcvr2450.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/host/lib/usrp/dboard/db_xcvr2450.cpp b/host/lib/usrp/dboard/db_xcvr2450.cpp
index 3f00b2539..44921d7d4 100644
--- a/host/lib/usrp/dboard/db_xcvr2450.cpp
+++ b/host/lib/usrp/dboard/db_xcvr2450.cpp
@@ -137,13 +137,14 @@ void xcvr2450::update_atr(void){
int band_sel = (_lo_freq > 4e9)? HB_PA_TXIO : LB_PA_TXIO;
int tx_ant_sel = (_tx_ant == "J1")? ANTSEL_TX1_RX2_TXIO : ANTSEL_TX2_RX1_TXIO;
int rx_ant_sel = (_rx_ant == "J1")? ANTSEL_TX1_RX2_TXIO : ANTSEL_TX2_RX1_TXIO;
+ int xx_ant_sel = tx_ant_sel; //prefer the tx antenna selection for full duplex (rx will get the other antenna)
int ad9515div = (_ad9515div == 3)? AD9515DIV_3_TXIO : AD9515DIV_2_TXIO;
//set the tx registers
this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_IDLE, band_sel | ad9515div | TX_DIS_TXIO);
this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_RX_ONLY, band_sel | ad9515div | TX_DIS_TXIO | rx_ant_sel);
this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_TX_ONLY, band_sel | ad9515div | TX_ENB_TXIO | tx_ant_sel);
- this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, band_sel | ad9515div | TX_ENB_TXIO);
+ this->get_iface()->set_atr_reg(dboard_iface::UNIT_TX, dboard_iface::ATR_REG_FULL_DUPLEX, band_sel | ad9515div | TX_ENB_TXIO | xx_ant_sel);
//set the rx registers
this->get_iface()->set_atr_reg(dboard_iface::UNIT_RX, dboard_iface::ATR_REG_IDLE, ALL_ENB_RXIO | RX_DIS_RXIO);