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Diffstat (limited to 'host/lib/convert/gen_convert_general.py')
-rw-r--r-- | host/lib/convert/gen_convert_general.py | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/host/lib/convert/gen_convert_general.py b/host/lib/convert/gen_convert_general.py new file mode 100644 index 000000000..8c3138bda --- /dev/null +++ b/host/lib/convert/gen_convert_general.py @@ -0,0 +1,93 @@ +#!/usr/bin/env python +# +# 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/>. +# + +TMPL_HEADER = """ +#import time +/*********************************************************************** + * This file was generated by $file on $time.strftime("%c") + **********************************************************************/ + +\#include "convert_common.hpp" +\#include <uhd/utils/byteswap.hpp> + +using namespace uhd::convert; +""" + +TMPL_CONV_TO_FROM_ITEM32_1 = """ +DECLARE_CONVERTER(convert_$(cpu_type)_1_to_item32_1_$(swap), PRIORITY_GENERAL){ + const $(cpu_type)_t *input = reinterpret_cast<const $(cpu_type)_t *>(inputs[0]); + item32_t *output = reinterpret_cast<item32_t *>(outputs[0]); + + for (size_t i = 0; i < nsamps; i++){ + output[i] = $(swap_fcn)($(cpu_type)_to_item32(input[i], float(scale_factor))); + } +} + +DECLARE_CONVERTER(convert_item32_1_to_$(cpu_type)_1_$(swap), PRIORITY_GENERAL){ + const item32_t *input = reinterpret_cast<const item32_t *>(inputs[0]); + $(cpu_type)_t *output = reinterpret_cast<$(cpu_type)_t *>(outputs[0]); + + for (size_t i = 0; i < nsamps; i++){ + output[i] = item32_to_$(cpu_type)($(swap_fcn)(input[i]), float(scale_factor)); + } +} +""" +TMPL_CONV_TO_FROM_ITEM32_X = """ +DECLARE_CONVERTER(convert_$(cpu_type)_$(width)_to_item32_1_$(swap), PRIORITY_GENERAL){ + #for $w in range($width) + const $(cpu_type)_t *input$(w) = reinterpret_cast<const $(cpu_type)_t *>(inputs[$(w)]); + #end for + item32_t *output = reinterpret_cast<item32_t *>(outputs[0]); + + for (size_t i = 0, j = 0; i < nsamps; i++){ + #for $w in range($width) + output[j++] = $(swap_fcn)($(cpu_type)_to_item32(input$(w)[i], float(scale_factor))); + #end for + } +} + +DECLARE_CONVERTER(convert_item32_1_to_$(cpu_type)_$(width)_$(swap), PRIORITY_GENERAL){ + const item32_t *input = reinterpret_cast<const item32_t *>(inputs[0]); + #for $w in range($width) + $(cpu_type)_t *output$(w) = reinterpret_cast<$(cpu_type)_t *>(outputs[$(w)]); + #end for + + for (size_t i = 0, j = 0; i < nsamps; i++){ + #for $w in range($width) + output$(w)[i] = item32_to_$(cpu_type)($(swap_fcn)(input[j++]), float(scale_factor)); + #end for + } +} +""" + +def parse_tmpl(_tmpl_text, **kwargs): + from Cheetah.Template import Template + return str(Template(_tmpl_text, kwargs)) + +if __name__ == '__main__': + import sys, os + file = os.path.basename(__file__) + output = parse_tmpl(TMPL_HEADER, file=file) + for width in 1, 2, 3, 4: + for swap, swap_fcn in (('nswap', ''), ('bswap', 'uhd::byteswap')): + for cpu_type in 'fc64', 'fc32', 'sc16': + output += parse_tmpl( + TMPL_CONV_TO_FROM_ITEM32_1 if width == 1 else TMPL_CONV_TO_FROM_ITEM32_X, + width=width, swap=swap, swap_fcn=swap_fcn, cpu_type=cpu_type + ) + open(sys.argv[1], 'w').write(output) |