mirror of
https://github.com/gnss-sdr/gnss-sdr
synced 2025-10-31 15:23:04 +00:00
Use std::bitset<N> instead of std::array<bool, N>
This commit is contained in:
Carles Fernandez
@@ -32,17 +32,20 @@
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#include "beidou_b1i_signal_processing.h"
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#include "beidou_b1i_signal_processing.h"
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#include <array>
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#include <array>
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#include <bitset>
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#include <string>
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auto auxCeil = [](float x) { return static_cast<int32_t>(static_cast<int64_t>((x) + 1)); };
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auto auxCeil = [](float x) { return static_cast<int32_t>(static_cast<int64_t>((x) + 1)); };
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void beidou_b1i_code_gen_int(gsl::span<int32_t> _dest, int32_t _prn, uint32_t _chip_shift)
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void beidou_b1i_code_gen_int(gsl::span<int32_t> _dest, int32_t _prn, uint32_t _chip_shift)
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{
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{
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const uint32_t _code_length = 2046;
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const uint32_t _code_length = 2046;
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std::array<bool, _code_length> G1{};
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std::bitset<_code_length> G1{};
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std::array<bool, _code_length> G2{};
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std::bitset<_code_length> G2{};
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std::bitset<11> G1_register(std::string("01010101010"));
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std::bitset<11> G2_register(std::string("01010101010"));
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std::array<bool, 11> G1_register{false, true, false, true, false, true, false, true, false, true, false};
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std::array<bool, 11> G2_register{false, true, false, true, false, true, false, true, false, true, false};
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bool feedback1, feedback2;
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bool feedback1, feedback2;
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bool aux;
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bool aux;
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uint32_t lcv, lcv2;
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uint32_t lcv, lcv2;
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@@ -32,85 +32,90 @@
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#include "beidou_b3i_signal_processing.h"
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#include "beidou_b3i_signal_processing.h"
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#include <array>
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#include <array>
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#include <bitset>
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#include <string>
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auto auxCeil = [](float x) { return static_cast<int>(static_cast<long>((x) + 1)); };
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auto auxCeil = [](float x) { return static_cast<int>(static_cast<long>((x) + 1)); };
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void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int _chip_shift)
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void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int _chip_shift)
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{
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{
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const unsigned int _code_length = 10230;
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const unsigned int _code_length = 10230;
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std::array<bool, _code_length> G1{};
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std::bitset<_code_length> G1{};
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std::array<bool, _code_length> G2{};
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std::bitset<_code_length> G2{};
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std::array<bool, 13> G1_register = {{true, true, true, true, true, true, true, true, true, true, true, true, true}};
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auto G1_register = std::move(std::bitset<13>{}.set()); // All true {true, true, true, true, true, true, true, true, true, true, true, true, true};
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std::array<bool, 13> G2_register = {{true, true, true, true, true, true, true, true, true, true, true, true, true}};
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auto G2_register = std::move(std::bitset<13>{}.set()); // All true {true, true, true, true, true, true, true, true, true, true, true, true, true};
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std::array<bool, 13> G1_register_reset = {{false, false, true, true, true, true, true, true, true, true, true, true, true}};
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auto G1_register_reset = std::move(std::bitset<13>{}.set());
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G1_register_reset.reset(0);
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G1_register_reset.reset(1); // {false, false, true, true, true, true, true, true, true, true, true, true, true};
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bool feedback1, feedback2, aux;
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bool feedback1, feedback2, aux;
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uint32_t lcv, lcv2, delay;
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uint32_t lcv, lcv2, delay;
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int32_t prn_idx = _prn - 1;
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int32_t prn_idx = _prn - 1;
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std::array<std::array<bool, 13>, 63> G2_register_shifted =
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const std::array<std::bitset<13>, 63> G2_register_shifted =
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{{{{true, false, true, false, true, true, true, true, true, true, true, true, true}},
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{std::bitset<13>(std::string("1010111111111")),
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{{true, true, true, true, false, false, false, true, false, true, false, true, true}},
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std::bitset<13>(std::string("1111000101011")),
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{{true, false, true, true, true, true, false, false, false, true, false, true, false}},
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std::bitset<13>(std::string("1011110001010")),
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{{true, true, true, true, true, true, true, true, true, true, false, true, true}},
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std::bitset<13>(std::string("1111111111011")),
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{{true, true, false, false, true, false, false, false, true, true, true, true, true}},
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std::bitset<13>(std::string("1100100011111")),
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{{true, false, false, true, false, false, true, true, false, false, true, false, false}},
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std::bitset<13>(std::string("1001001100100")),
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{{true, true, true, true, true, true, true, false, true, false, false, true, false}},
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std::bitset<13>(std::string("1111111010010")),
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{{true, true, true, false, true, true, true, true, true, true, true, false, true}},
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std::bitset<13>(std::string("1110111111101")),
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{{true, false, true, false, false, false, false, false, false, false, false, true, false}},
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std::bitset<13>(std::string("1010000000010")),
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{{false, false, true, false, false, false, false, false, true, true, false, true, true}},
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std::bitset<13>(std::string("0010000011011")),
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{{true, true, true, false, true, false, true, true, true, false, false, false, false}},
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std::bitset<13>(std::string("1110101110000")),
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{{false, false, true, false, true, true, false, false, true, true, true, true, false}},
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std::bitset<13>(std::string("0010110011110")),
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{{false, true, true, false, false, true, false, false, true, false, true, false, true}},
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std::bitset<13>(std::string("0110010010101")),
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{{false, true, true, true, false, false, false, true, false, false, true, true, false}},
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std::bitset<13>(std::string("0111000100110")),
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{{true, false, false, false, true, true, false, false, false, true, false, false, true}},
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std::bitset<13>(std::string("1000110001001")),
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{{true, true, true, false, false, false, true, true, true, true, true, false, false}},
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std::bitset<13>(std::string("1110001111100")),
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{{false, false, true, false, false, true, true, false, false, false, true, false, true}},
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std::bitset<13>(std::string("0010011000101")),
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{{false, false, false, false, false, true, true, true, false, true, true, false, false}},
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std::bitset<13>(std::string("0000011101100")),
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{{true, false, false, false, true, false, true, false, true, false, true, true, true}},
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std::bitset<13>(std::string("1000101010111")),
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{{false, false, false, true, false, true, true, false, true, true, true, true, false}},
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std::bitset<13>(std::string("0001011011110")),
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{{false, false, true, false, false, false, false, true, false, true, true, false, true}},
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std::bitset<13>(std::string("0010000101101")),
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{{false, false, true, false, true, true, false, false, false, true, false, true, false}},
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std::bitset<13>(std::string("0010110001010")),
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{{false, false, false, true, false, true, true, false, false, true, true, true, true}},
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std::bitset<13>(std::string("0001011001111")),
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{{false, false, true, true, false, false, true, true, false, false, false, true, false}},
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std::bitset<13>(std::string("0011001100010")),
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{{false, false, true, true, true, false, true, false, false, true, false, false, false}},
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std::bitset<13>(std::string("0011101001000")),
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{{false, true, false, false, true, false, false, true, false, true, false, false, true}},
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std::bitset<13>(std::string("0100100101001")),
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{{true, false, true, true, false, true, true, false, true, false, false, true, true}},
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std::bitset<13>(std::string("1011011010011")),
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{{true, false, true, false, true, true, true, true, false, false, false, true, false}},
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std::bitset<13>(std::string("1010111100010")),
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{{false, false, false, true, false, true, true, true, true, false, true, false, true}},
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std::bitset<13>(std::string("0001011110101")),
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{{false, true, true, true, true, true, true, true, true, true, true, true, true}},
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std::bitset<13>(std::string("0111111111111")),
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{{false, true, true, false, true, true, false, false, false, true, true, true, true}},
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std::bitset<13>(std::string("0110110001111")),
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{{true, false, true, false, true, true, false, false, false, true, false, false, true}},
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std::bitset<13>(std::string("1010110001001")),
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{{true, false, false, true, false, true, false, true, false, true, false, true, true}},
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std::bitset<13>(std::string("1001010101011")),
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{{true, true, false, false, true, true, false, true, false, false, true, false, true}},
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std::bitset<13>(std::string("1100110100101")),
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{{true, true, false, true, false, false, true, false, true, true, true, false, true}},
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std::bitset<13>(std::string("1101001011101")),
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{{true, true, true, true, true, false, true, true, true, false, true, false, false}},
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std::bitset<13>(std::string("1111101110100")),
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{{false, false, true, false, true, false, true, true, false, false, true, true, true}},
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std::bitset<13>(std::string("0010101100111")),
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{{true, true, true, false, true, false, false, false, true, false, false, false, false}},
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std::bitset<13>(std::string("1110100010000")),
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{{true, true, false, true, true, true, false, false, true, false, false, false, false}},
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std::bitset<13>(std::string("1101110010000")),
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{{true, true, false, true, false, true, true, false, false, true, true, true, false}},
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std::bitset<13>(std::string("1101011001110")),
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{{true, false, false, false, false, false, false, true, true, false, true, false, false}},
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std::bitset<13>(std::string("1000000110100")),
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{{false, true, false, true, true, true, true, false, true, true, false, false, true}},
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std::bitset<13>(std::string("0101111011001")),
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{{false, true, true, false, true, true, false, true, true, true, true, false, false}},
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std::bitset<13>(std::string("0110110111100")),
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{{true, true, false, true, false, false, true, true, true, false, false, false, true}},
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std::bitset<13>(std::string("1101001110001")),
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{{false, false, true, true, true, false, false, true, false, false, false, true, false}},
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std::bitset<13>(std::string("0011100100010")),
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{{false, true, false, true, false, true, true, false, false, false, true, false, true}},
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std::bitset<13>(std::string("0101011000101")),
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{{true, false, false, true, true, true, true, true, false, false, true, true, false}},
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std::bitset<13>(std::string("1001111100110")),
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{{true, true, true, true, true, false, true, false, false, true, false, false, false}},
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std::bitset<13>(std::string("1111101001000")),
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{{false, false, false, false, true, false, true, false, false, true, false, false, true}},
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std::bitset<13>(std::string("0000101001001")),
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{{true, false, false, false, false, true, false, true, false, true, true, false, false}},
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std::bitset<13>(std::string("1000010101100")),
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{{true, true, true, true, false, false, true, false, false, true, true, false, false}},
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std::bitset<13>(std::string("1111001001100")),
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{{false, true, false, false, true, true, false, false, false, true, true, true, true}},
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std::bitset<13>(std::string("0100110001111")),
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{{false, false, false, false, false, false, false, false, true, true, false, false, false}},
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std::bitset<13>(std::string("0000000011000")),
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{{true, false, false, false, false, false, false, false, false, false, true, false, false}},
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std::bitset<13>(std::string("1000000000100")),
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{{false, false, true, true, false, true, false, true, false, false, true, true, false}},
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std::bitset<13>(std::string("0011010100110")),
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{{true, false, true, true, false, false, true, false, false, false, true, true, false}},
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std::bitset<13>(std::string("1011001000110")),
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{{false, true, true, true, false, false, true, true, true, true, false, false, false}},
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std::bitset<13>(std::string("0111001111000")),
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{{false, false, true, false, true, true, true, false, false, true, false, true, false}},
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std::bitset<13>(std::string("0010111001010")),
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{{true, true, false, false, true, true, true, true, true, false, true, true, false}},
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std::bitset<13>(std::string("1100111110110")),
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{{true, false, false, true, false, false, true, false, false, false, true, false, true}},
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std::bitset<13>(std::string("1001001000101")),
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{{false, true, true, true, false, false, false, true, false, false, false, false, false}},
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std::bitset<13>(std::string("0111000100000")),
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{{false, false, true, true, false, false, true, false, false, false, false, true, false}},
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std::bitset<13>(std::string("0011001000010")),
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{{false, false, true, false, false, false, true, false, false, true, true, true, false}}}};
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std::bitset<13>(std::string("0010001001110"))};
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// A simple error check
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// A simple error check
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if ((prn_idx < 0) || (prn_idx > 63))
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if ((prn_idx < 0) || (prn_idx > 63))
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@@ -120,7 +125,14 @@ void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int
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// Assign shifted G2 register based on prn number
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// Assign shifted G2 register based on prn number
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G2_register = G2_register_shifted[prn_idx];
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G2_register = G2_register_shifted[prn_idx];
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std::reverse(G2_register.begin(), G2_register.end());
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// std::reverse(G2_register.begin(), G2_register.end());
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for (std::size_t i = 0; i < 6; ++i)
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{
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bool t = G2_register[i];
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G2_register[i] = G2_register[13 - i - 1];
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G2_register[13 - i - 1] = t;
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}
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// Generate G1 and G2 Register
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// Generate G1 and G2 Register
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for (lcv = 0; lcv < _code_length; lcv++)
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for (lcv = 0; lcv < _code_length; lcv++)
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@@ -145,7 +157,7 @@ void beidou_b3i_code_gen_int(gsl::span<int> _dest, signed int _prn, unsigned int
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// Reset G1 register if sequence found
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// Reset G1 register if sequence found
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if (G1_register == G1_register_reset)
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if (G1_register == G1_register_reset)
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{
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{
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G1_register = {{true, true, true, true, true, true, true, true, true, true, true, true, true}};
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G1_register = std::move(std::bitset<13>{}.set()); // All true {{true, true, true, true, true, true, true, true, true, true, true, true, true}};
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}
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}
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}
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}
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@@ -32,16 +32,17 @@
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#include "gps_sdr_signal_processing.h"
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#include "gps_sdr_signal_processing.h"
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#include <array>
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#include <array>
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#include <bitset>
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auto auxCeil = [](float x) { return static_cast<int32_t>(static_cast<int64_t>((x) + 1)); };
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auto auxCeil = [](float x) { return static_cast<int32_t>(static_cast<int64_t>((x) + 1)); };
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void gps_l1_ca_code_gen_int(gsl::span<int32_t> _dest, int32_t _prn, uint32_t _chip_shift)
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void gps_l1_ca_code_gen_int(gsl::span<int32_t> _dest, int32_t _prn, uint32_t _chip_shift)
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{
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{
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const uint32_t _code_length = 1023;
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const uint32_t _code_length = 1023;
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std::array<bool, _code_length> G1{};
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std::bitset<_code_length> G1{};
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std::array<bool, _code_length> G2{};
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std::bitset<_code_length> G2{};
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std::array<bool, 10> G1_register{};
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std::bitset<10> G1_register{};
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std::array<bool, 10> G2_register{};
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std::bitset<10> G2_register{};
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bool feedback1, feedback2;
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bool feedback1, feedback2;
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bool aux;
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bool aux;
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uint32_t lcv, lcv2;
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uint32_t lcv, lcv2;
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