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Diffstat (limited to 'host/lib/convert/convert_impl.cpp')
-rw-r--r-- | host/lib/convert/convert_impl.cpp | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/host/lib/convert/convert_impl.cpp b/host/lib/convert/convert_impl.cpp new file mode 100644 index 000000000..d43cecfec --- /dev/null +++ b/host/lib/convert/convert_impl.cpp @@ -0,0 +1,111 @@ +// +// Copyright 2011 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 +// the Free Software Foundation, either version 3 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program. If not, see <http://www.gnu.org/licenses/>. +// + +#include <uhd/convert.hpp> +#include <uhd/utils/static.hpp> +#include <uhd/exception.hpp> +#include <iostream> + +using namespace uhd; + +#include "convert_pred.hpp" + +static const bool debug = false; + +/*********************************************************************** + * Define types for the function tables + **********************************************************************/ +struct fcn_table_entry_type{ + convert::priority_type prio; + convert::function_type fcn; + fcn_table_entry_type(void) + : prio(convert::PRIORITY_EMPTY), fcn(NULL){ + /* NOP */ + } +}; +typedef std::vector<fcn_table_entry_type> fcn_table_type; + +/*********************************************************************** + * Setup the table registry + **********************************************************************/ +UHD_SINGLETON_FCN(fcn_table_type, get_cpu_to_otw_table); +UHD_SINGLETON_FCN(fcn_table_type, get_otw_to_cpu_table); + +fcn_table_type &get_table(dir_type dir){ + switch(dir){ + case DIR_OTW_TO_CPU: return get_otw_to_cpu_table(); + case DIR_CPU_TO_OTW: return get_cpu_to_otw_table(); + } + UHD_THROW_INVALID_CODE_PATH(); +} + +/*********************************************************************** + * The registry functions + **********************************************************************/ +void uhd::convert::register_converter( + const std::string &markup, + function_type fcn, + priority_type prio +){ + //extract the predicate and direction from the markup + dir_type dir; + pred_type pred = make_pred(markup, dir); + + //get a reference to the function table + fcn_table_type &table = get_table(dir); + + //resize the table so that its at least pred+1 + if (table.size() <= pred) table.resize(pred+1); + + //register the function if higher priority + if (table[pred].prio < prio){ + table[pred].fcn = fcn; + table[pred].prio = prio; + } + + //----------------------------------------------------------------// + if (debug) std::cout << "register_converter: " << markup << std::endl + << " prio: " << prio << std::endl + << " pred: " << pred << std::endl + << " dir: " << dir << std::endl + << std::endl + ; + //----------------------------------------------------------------// +} + +/*********************************************************************** + * The converter functions + **********************************************************************/ +const convert::function_type &convert::get_converter_cpu_to_otw( + const io_type_t &io_type, + const otw_type_t &otw_type, + size_t num_input_buffs, + size_t num_output_buffs +){ + pred_type pred = make_pred(io_type, otw_type, num_input_buffs, num_output_buffs); + return get_cpu_to_otw_table().at(pred).fcn; +} + +const convert::function_type &convert::get_converter_otw_to_cpu( + const io_type_t &io_type, + const otw_type_t &otw_type, + size_t num_input_buffs, + size_t num_output_buffs +){ + pred_type pred = make_pred(io_type, otw_type, num_input_buffs, num_output_buffs); + return get_otw_to_cpu_table().at(pred).fcn; +} |