kopia lustrzana https://github.com/mobilinkd/NucleoTNC
37 wiersze
1.1 KiB
C++
37 wiersze
1.1 KiB
C++
// Copyright 2020 Rob Riggs <rob@mobilinkd.com>
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// All rights reserved.
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#pragma once
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#include <array>
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#include <cstdint>
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#include <cstddef>
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namespace mobilinkd { namespace m17 {
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constexpr size_t FILTER_TAP_NUM = 80;
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constexpr size_t FILTER_TAP_NUM_9 = 90;
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constexpr size_t FILTER_TAP_NUM_11 = 110;
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constexpr size_t FILTER_TAP_NUM_15 = 150;
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constexpr size_t FILTER_TAP_NUM_21 = 210;
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extern const std::array<int16_t, FILTER_TAP_NUM> rrc_taps;
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extern const std::array<int16_t, FILTER_TAP_NUM_9> rrc_taps_9;
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extern const std::array<int16_t, FILTER_TAP_NUM_11> rrc_taps_11;
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extern const std::array<int16_t, FILTER_TAP_NUM_15> rrc_taps_15;
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extern const std::array<int16_t, FILTER_TAP_NUM_21> rrc_taps_21;
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extern const std::array<float, FILTER_TAP_NUM_9> rrc_taps_f9;
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extern const std::array<float, FILTER_TAP_NUM_15> rrc_taps_f15;
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constexpr std::array<uint8_t, 2> LSF_SYNC = { 0x55, 0xF7 };
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constexpr std::array<uint8_t, 2> STREAM_SYNC = { 0xFF, 0x5D };
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constexpr std::array<uint8_t, 2> PACKET_SYNC = { 0x75, 0xFF };
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inline constexpr uint16_t sync_word(std::array<uint8_t, 2> sw)
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{
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return sw[0] * 256 + sw[1];
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}
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}} // mobilinkd::m17
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