From 09de3c0768d2961ec3668882b4284e0db3b37eb8 Mon Sep 17 00:00:00 2001 From: Josh Blum Date: Wed, 8 Aug 2012 12:48:40 -0700 Subject: sbx/wbx: clear R/N counters before tuning the LO This helps consistent phase offset between mixers when a timed tune is performed. --- host/lib/usrp/dboard/db_sbx_common.cpp | 1 - host/lib/usrp/dboard/db_sbx_version3.cpp | 5 +++++ host/lib/usrp/dboard/db_sbx_version4.cpp | 5 +++++ host/lib/usrp/dboard/db_wbx_common.cpp | 3 +-- host/lib/usrp/dboard/db_wbx_version2.cpp | 5 +++++ host/lib/usrp/dboard/db_wbx_version3.cpp | 5 +++++ host/lib/usrp/dboard/db_wbx_version4.cpp | 5 +++++ 7 files changed, 26 insertions(+), 3 deletions(-) (limited to 'host') diff --git a/host/lib/usrp/dboard/db_sbx_common.cpp b/host/lib/usrp/dboard/db_sbx_common.cpp index a51dee361..728cb17e9 100644 --- a/host/lib/usrp/dboard/db_sbx_common.cpp +++ b/host/lib/usrp/dboard/db_sbx_common.cpp @@ -16,7 +16,6 @@ // #include "db_sbx_common.hpp" -#include "adf4350_regs.hpp" using namespace uhd; using namespace uhd::usrp; diff --git a/host/lib/usrp/dboard/db_sbx_version3.cpp b/host/lib/usrp/dboard/db_sbx_version3.cpp index 040bef12f..2765d530c 100644 --- a/host/lib/usrp/dboard/db_sbx_version3.cpp +++ b/host/lib/usrp/dboard/db_sbx_version3.cpp @@ -165,6 +165,11 @@ double sbx_xcvr::sbx_version3::set_lo_freq(dboard_iface::unit_t unit, double tar UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv)); regs.rf_divider_select = rfdivsel_to_enum[RFdiv]; + //reset the N and R counter + regs.counter_reset = adf4350_regs_t::COUNTER_RESET_ENABLED; + self_base->get_iface()->write_spi(unit, spi_config_t::EDGE_RISE, regs.get_reg(2), 32); + regs.counter_reset = adf4350_regs_t::COUNTER_RESET_DISABLED; + //write the registers //correct power-up sequence to write registers (5, 4, 3, 2, 1, 0) int addr; diff --git a/host/lib/usrp/dboard/db_sbx_version4.cpp b/host/lib/usrp/dboard/db_sbx_version4.cpp index f091caab7..27fd68b05 100644 --- a/host/lib/usrp/dboard/db_sbx_version4.cpp +++ b/host/lib/usrp/dboard/db_sbx_version4.cpp @@ -168,6 +168,11 @@ double sbx_xcvr::sbx_version4::set_lo_freq(dboard_iface::unit_t unit, double tar UHD_ASSERT_THROW(rfdivsel_to_enum.has_key(RFdiv)); regs.rf_divider_select = rfdivsel_to_enum[RFdiv]; + //reset the N and R counter + regs.counter_reset = adf4351_regs_t::COUNTER_RESET_ENABLED; + self_base->get_iface()->write_spi(unit, spi_config_t::EDGE_RISE, regs.get_reg(2), 32); + regs.counter_reset = adf4351_regs_t::COUNTER_RESET_DISABLED; + //write the registers //correct power-up sequence to write registers (5, 4, 3, 2, 1, 0) int addr; diff --git a/host/lib/usrp/dboard/db_wbx_common.cpp b/host/lib/usrp/dboard/db_wbx_common.cpp index 58ce03d79..503e5aabf 100644 --- a/host/lib/usrp/dboard/db_wbx_common.cpp +++ b/host/lib/usrp/dboard/db_wbx_common.cpp @@ -1,5 +1,5 @@ // -// Copyright 2011 Ettus Research LLC +// Copyright 2011-2012 Ettus Research LLC // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by @@ -16,7 +16,6 @@ // #include "db_wbx_common.hpp" -#include "adf4350_regs.hpp" #include #include #include diff --git a/host/lib/usrp/dboard/db_wbx_version2.cpp b/host/lib/usrp/dboard/db_wbx_version2.cpp index 643fcd37f..5f6118a91 100644 --- a/host/lib/usrp/dboard/db_wbx_version2.cpp +++ b/host/lib/usrp/dboard/db_wbx_version2.cpp @@ -316,6 +316,11 @@ double wbx_base::wbx_version2::set_lo_freq(dboard_iface::unit_t unit, double tar } + //reset the N and R counter + regs.counter_reset = adf4350_regs_t::COUNTER_RESET_ENABLED; + self_base->get_iface()->write_spi(unit, spi_config_t::EDGE_RISE, regs.get_reg(2), 32); + regs.counter_reset = adf4350_regs_t::COUNTER_RESET_DISABLED; + //write the registers //correct power-up sequence to write registers (5, 4, 3, 2, 1, 0) int addr; diff --git a/host/lib/usrp/dboard/db_wbx_version3.cpp b/host/lib/usrp/dboard/db_wbx_version3.cpp index 6771d184f..3e8fc8095 100644 --- a/host/lib/usrp/dboard/db_wbx_version3.cpp +++ b/host/lib/usrp/dboard/db_wbx_version3.cpp @@ -348,6 +348,11 @@ double wbx_base::wbx_version3::set_lo_freq(dboard_iface::unit_t unit, double tar } + //reset the N and R counter + regs.counter_reset = adf4350_regs_t::COUNTER_RESET_ENABLED; + self_base->get_iface()->write_spi(unit, spi_config_t::EDGE_RISE, regs.get_reg(2), 32); + regs.counter_reset = adf4350_regs_t::COUNTER_RESET_DISABLED; + //write the registers //correct power-up sequence to write registers (5, 4, 3, 2, 1, 0) int addr; diff --git a/host/lib/usrp/dboard/db_wbx_version4.cpp b/host/lib/usrp/dboard/db_wbx_version4.cpp index 057cdb6ce..58a5e5f3e 100644 --- a/host/lib/usrp/dboard/db_wbx_version4.cpp +++ b/host/lib/usrp/dboard/db_wbx_version4.cpp @@ -331,6 +331,11 @@ double wbx_base::wbx_version4::set_lo_freq(dboard_iface::unit_t unit, double tar } + //reset the N and R counter + regs.counter_reset = adf4351_regs_t::COUNTER_RESET_ENABLED; + self_base->get_iface()->write_spi(unit, spi_config_t::EDGE_RISE, regs.get_reg(2), 32); + regs.counter_reset = adf4351_regs_t::COUNTER_RESET_DISABLED; + //write the registers //correct power-up sequence to write registers (5, 4, 3, 2, 1, 0) int addr; -- cgit v1.2.3