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This test checks if the correct values are returned for a frequency within the range of the lookup table and for frequencies above and below the range.
32 lines
1.2 KiB
C++
32 lines
1.2 KiB
C++
//
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// Copyright 2026 Ettus Research, a National Instruments Brand
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//
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// SPDX-License-Identifier: GPL-3.0-or-later
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//
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#include <uhdlib/usrp/common/ltc5594.hpp>
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#include <boost/test/unit_test.hpp>
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#include <array>
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BOOST_AUTO_TEST_CASE(ltc5594_lo_matching_test)
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{
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std::array<uint8_t, 24> mock_registers{};
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auto mock_poke = [&mock_registers](
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uint8_t addr, uint8_t data) { mock_registers.at(addr) = data; };
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auto mock_peek = [&mock_registers](uint8_t addr) { return mock_registers.at(addr); };
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auto ltc5594 =
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ltc5594_iface::make(std::move(mock_poke), std::move(mock_peek), "ltc5594_test");
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BOOST_REQUIRE(ltc5594);
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ltc5594->set_lo_matching(500e6);
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BOOST_CHECK_EQUAL(static_cast<unsigned>(mock_registers[18]), 0x51U);
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BOOST_CHECK_EQUAL(static_cast<unsigned>(mock_registers[19]), 0x5fU);
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ltc5594->set_lo_matching(100e6);
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BOOST_CHECK_EQUAL(static_cast<unsigned>(mock_registers[18]), 0x48U);
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BOOST_CHECK_EQUAL(static_cast<unsigned>(mock_registers[19]), 0xe3U);
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ltc5594->set_lo_matching(9.1e9);
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BOOST_CHECK_EQUAL(static_cast<unsigned>(mock_registers[18]), 0x48U);
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BOOST_CHECK_EQUAL(static_cast<unsigned>(mock_registers[19]), 0xe3U);
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} |