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| author | Trung N Tran <trung.tran@ettus.com> | 2017-11-29 10:01:01 -0800 |
|---|---|---|
| committer | Martin Braun <martin.braun@ettus.com> | 2017-12-22 15:05:07 -0800 |
| commit | 61774a09613eed51a42496f8689b707417b360f2 (patch) | |
| tree | 6e443642a6f92591eea968c277eee6e1ab127888 /host/lib | |
| parent | 44b117be95dac3dd15c988e4e7d01b49f82d1a0c (diff) | |
| download | uhd-61774a09613eed51a42496f8689b707417b360f2.tar.gz uhd-61774a09613eed51a42496f8689b707417b360f2.tar.bz2 uhd-61774a09613eed51a42496f8689b707417b360f2.zip | |
mg: fix TX dsa bug
DSA value was set at wrong value since it is at upper 6 bits of DSA register.
Added comment.
Diffstat (limited to 'host/lib')
| -rw-r--r-- | host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_gain.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_gain.cpp b/host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_gain.cpp index b3d01df2c..ff4683fe5 100644 --- a/host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_gain.cpp +++ b/host/lib/usrp/dboard/magnesium/magnesium_radio_ctrl_gain.cpp @@ -107,6 +107,8 @@ void magnesium_radio_ctrl_impl::_set_dsa_val( const direction_t dir, const uint32_t dsa_val ) { + // The DSA register holds 12 bits. The lower 6 bits are for RX, the upper + // 6 bits are for TX. if (dir == RX_DIRECTION or dir == DX_DIRECTION){ UHD_LOG_TRACE(unique_id(), __func__ << "(chan=" << chan << ", dir=RX" @@ -117,7 +119,7 @@ void magnesium_radio_ctrl_impl::_set_dsa_val( UHD_LOG_TRACE(unique_id(), __func__ << "(chan=" << chan << ", dir=TX" << ", dsa_val=" << dsa_val << ")") - _gpio[chan]->set_gpio_out(dsa_val, 0x0FC0); + _gpio[chan]->set_gpio_out(dsa_val<<6, 0x0FC0); } } |