diff options
| -rw-r--r-- | host/lib/usrp/common/ad9361_driver/ad9361_device.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp index 0505343ab..c3bc2d32b 100644 --- a/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp +++ b/host/lib/usrp/common/ad9361_driver/ad9361_device.cpp @@ -1717,7 +1717,6 @@ void ad9361_device_t::initialize() _calibrate_baseband_dc_offset(); _calibrate_rf_dc_offset(); - _calibrate_tx_quadrature(); _calibrate_rx_quadrature(); /* @@ -1855,7 +1854,6 @@ double ad9361_device_t::set_clock_rate(const double req_rate) _calibrate_baseband_dc_offset(); _calibrate_rf_dc_offset(); - _calibrate_tx_quadrature(); _calibrate_rx_quadrature(); /* @@ -1970,6 +1968,14 @@ void ad9361_device_t::set_active_chains(bool tx1, bool tx2, bool rx1, bool rx2) _io_iface->poke8(0x002, _regs.txfilt); _io_iface->poke8(0x003, _regs.rxfilt); + /* + * Last unconditional Tx calibration point. Any later Tx calibration will + * require user intervention (currently triggered by tuning difference that + * is > 100 MHz). Late calibration provides better performance. + */ + if (tx1 | tx2) + _calibrate_tx_quadrature(); + /* Put back into FDD state if necessary */ if (set_back_to_fdd) _io_iface->poke8(0x014, 0x21); |