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authorJosh Blum <josh@joshknows.com>2013-08-28 17:07:36 -0700
committerJosh Blum <josh@joshknows.com>2013-08-28 17:07:36 -0700
commit2d4c77489f540a6978497d25dd3e316a2f16e9ad (patch)
tree005df111018a3f00c8baacdc8dc15e569b03b48f /host/lib/convert/convert_fc32_item32.cpp
parent9f993843e52b1da877fd579de499e492f602ce81 (diff)
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convert: added sc12 and fc32 converters
Diffstat (limited to 'host/lib/convert/convert_fc32_item32.cpp')
-rw-r--r--host/lib/convert/convert_fc32_item32.cpp113
1 files changed, 113 insertions, 0 deletions
diff --git a/host/lib/convert/convert_fc32_item32.cpp b/host/lib/convert/convert_fc32_item32.cpp
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+++ b/host/lib/convert/convert_fc32_item32.cpp
@@ -0,0 +1,113 @@
+//
+// Copyright 2013 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 "convert_common.hpp"
+#include <uhd/utils/byteswap.hpp>
+#include <uhd/utils/msg.hpp>
+#include <boost/math/special_functions/round.hpp>
+#include <vector>
+
+using namespace uhd::convert;
+
+typedef boost::uint32_t (*to32_type)(boost::uint32_t);
+
+template <typename type, to32_type tohost>
+struct convert_fc32_item32_1_to_star_1 : public converter
+{
+ convert_fc32_item32_1_to_star_1(void)
+ {
+ //NOP
+ }
+
+ void set_scalar(const double scalar)
+ {
+ _scalar = scalar;
+ }
+
+ void operator()(const input_type &inputs, const output_type &outputs, const size_t nsamps)
+ {
+ const item32_t *input = reinterpret_cast<const item32_t *>(inputs[0]);
+ std::complex<type> *output = reinterpret_cast<std::complex<type> *>(outputs[0]);
+
+ size_t i = 0;
+ for (size_t o = 0; o < nsamps; o++)
+ {
+ const item32_t i32 = tohost(input[i++]);
+ const item32_t q32 = tohost(input[i++]);
+ const float i_f32 = reinterpret_cast<const float &>(i32);
+ const float q_f32 = reinterpret_cast<const float &>(q32);
+ output[o] = std::complex<type>(type(i_f32*_scalar), type(q_f32*_scalar));
+ }
+ }
+
+ double _scalar;
+};
+
+template <typename type, to32_type towire>
+struct convert_star_1_to_fc32_item32_1 : public converter
+{
+ convert_star_1_to_fc32_item32_1(void)
+ {
+ //NOP
+ }
+
+ void set_scalar(const double scalar)
+ {
+ _scalar = scalar;
+ }
+
+ void operator()(const input_type &inputs, const output_type &outputs, const size_t nsamps)
+ {
+ const std::complex<type> *input = reinterpret_cast<const std::complex<type> *>(inputs[0]);
+ item32_t *output = reinterpret_cast<item32_t *>(outputs[0]);
+
+ size_t o = 0;
+ for (size_t i = 0; i < nsamps; i++)
+ {
+ const float i_f32 = type(input[i].real()*_scalar);
+ const float q_f32 = type(input[i].imag()*_scalar);
+ const item32_t i32 = towire(reinterpret_cast<const item32_t &>(i_f32));
+ const item32_t q32 = towire(reinterpret_cast<const item32_t &>(q_f32));
+ output[o++] = i32; output[o++] = q32;
+ }
+ }
+
+ double _scalar;
+};
+
+#define __make_registrations(itype, otype, fcn, type, conv) \
+static converter::sptr make_convert_ ## itype ## _1_ ## otype ## _1(void) \
+{ \
+ return converter::sptr(new fcn<type, conv>()); \
+} \
+UHD_STATIC_BLOCK(register_convert_ ## itype ## _1_ ## otype ## _1) \
+{ \
+ uhd::convert::id_type id; \
+ id.num_inputs = 1; id.num_outputs = 1; \
+ id.input_format = #itype; id.output_format = #otype; \
+ uhd::convert::register_converter(id, &make_convert_ ## itype ## _1_ ## otype ## _1, PRIORITY_GENERAL); \
+}
+
+__make_registrations(fc32_item32_le, fc32, convert_fc32_item32_1_to_star_1, float, uhd::wtohx)
+__make_registrations(fc32_item32_be, fc32, convert_fc32_item32_1_to_star_1, float, uhd::ntohx)
+__make_registrations(fc32_item32_le, fc64, convert_fc32_item32_1_to_star_1, double, uhd::wtohx)
+__make_registrations(fc32_item32_be, fc64, convert_fc32_item32_1_to_star_1, double, uhd::ntohx)
+
+__make_registrations(fc32, fc32_item32_le, convert_star_1_to_fc32_item32_1, float, uhd::wtohx)
+__make_registrations(fc32, fc32_item32_be, convert_star_1_to_fc32_item32_1, float, uhd::ntohx)
+__make_registrations(fc64, fc32_item32_le, convert_star_1_to_fc32_item32_1, double, uhd::wtohx)
+__make_registrations(fc64, fc32_item32_be, convert_star_1_to_fc32_item32_1, double, uhd::ntohx)