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jLynx 2023-05-19 08:16:05 +12:00 • committed by GitHub
parent 7aca7ce74d
commit 033c4e9a5b
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126
firmware/baseband/proc_ert.hpp
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@ -40,85 +40,83 @@
#include <bitset>
// ''.join(['%d%d' % (c, 1-c) for c in map(int, bin(0x1f2a60)[2:].zfill(21))])
constexpr uint64_t scm_preamble_and_sync_manchester { 0b101010101001011001100110010110100101010101 };
constexpr size_t scm_preamble_and_sync_length { 42 - 10 };
constexpr size_t scm_payload_length_max { 150 };
constexpr uint64_t scm_preamble_and_sync_manchester{0b101010101001011001100110010110100101010101};
constexpr size_t scm_preamble_and_sync_length{42 - 10};
constexpr size_t scm_payload_length_max{150};
// ''.join(['%d%d' % (c, 1-c) for c in map(int, bin(0x16a3)[2:].zfill(16))])
constexpr uint64_t scmplus_preamble_and_sync_manchester { 0b01010110011010011001100101011010 };
constexpr size_t scmplus_preamble_and_sync_length { 32 - 0 };
constexpr size_t scmplus_payload_length_max { 224 };
constexpr uint64_t scmplus_preamble_and_sync_manchester{0b01010110011010011001100101011010};
constexpr size_t scmplus_preamble_and_sync_length{32 - 0};
constexpr size_t scmplus_payload_length_max{224};
// ''.join(['%d%d' % (c, 1-c) for c in map(int, bin(0x555516a3)[2:].zfill(32))])
constexpr uint64_t idm_preamble_and_sync_manchester { 0b0110011001100110011001100110011001010110011010011001100101011010 };
constexpr size_t idm_preamble_and_sync_length { 64 - 16 };
constexpr size_t idm_payload_length_max { 1408 };
constexpr uint64_t idm_preamble_and_sync_manchester{0b0110011001100110011001100110011001010110011010011001100101011010};
constexpr size_t idm_preamble_and_sync_length{64 - 16};
constexpr size_t idm_payload_length_max{1408};
class ERTProcessor : public BasebandProcessor {
public:
void execute(const buffer_c8_t& buffer) override;
public:
void execute(const buffer_c8_t& buffer) override;
private:
const uint32_t baseband_sampling_rate = 4194304;
const size_t decimation = 1;
const float symbol_rate = 32768;
private:
const uint32_t baseband_sampling_rate = 4194304;
const size_t decimation = 1;
const float symbol_rate = 32768;
const uint32_t channel_sampling_rate = baseband_sampling_rate / decimation;
const size_t samples_per_symbol = channel_sampling_rate / symbol_rate;
const float clock_recovery_rate = symbol_rate * 2;
const uint32_t channel_sampling_rate = baseband_sampling_rate / decimation;
const size_t samples_per_symbol = channel_sampling_rate / symbol_rate;
const float clock_recovery_rate = symbol_rate * 2;
BasebandThread baseband_thread { baseband_sampling_rate, this, NORMALPRIO + 20, baseband::Direction::Receive };
RSSIThread rssi_thread { NORMALPRIO + 10 };
BasebandThread baseband_thread{baseband_sampling_rate, this, NORMALPRIO + 20, baseband::Direction::Receive};
RSSIThread rssi_thread{NORMALPRIO + 10};
clock_recovery::ClockRecovery<clock_recovery::FixedErrorFilter> clock_recovery {
clock_recovery_rate, symbol_rate, { 1.0f / 18.0f },
[this](const float symbol) { this->consume_symbol(symbol); }
};
clock_recovery::ClockRecovery<clock_recovery::FixedErrorFilter> clock_recovery{
clock_recovery_rate,
symbol_rate,
{1.0f / 18.0f},
[this](const float symbol) { this->consume_symbol(symbol); }};
PacketBuilder<BitPattern, NeverMatch, FixedLength> scm_builder {
{ scm_preamble_and_sync_manchester, scm_preamble_and_sync_length, 1 },
{ },
{ scm_payload_length_max },
[this](const baseband::Packet& packet) {
this->scm_handler(packet);
}
};
PacketBuilder<BitPattern, NeverMatch, FixedLength> scm_builder{
{scm_preamble_and_sync_manchester, scm_preamble_and_sync_length, 1},
{},
{scm_payload_length_max},
[this](const baseband::Packet& packet) {
this->scm_handler(packet);
}};
PacketBuilder<BitPattern, NeverMatch, FixedLength> scmplus_builder {
{ scmplus_preamble_and_sync_manchester, scmplus_preamble_and_sync_length, 1 },
{ },
{ scmplus_payload_length_max },
[this](const baseband::Packet& packet) {
this->scmplus_handler(packet);
}
};
PacketBuilder<BitPattern, NeverMatch, FixedLength> idm_builder {
{ idm_preamble_and_sync_manchester, idm_preamble_and_sync_length, 1 },
{ },
{ idm_payload_length_max },
[this](const baseband::Packet& packet) {
this->idm_handler(packet);
}
};
PacketBuilder<BitPattern, NeverMatch, FixedLength> scmplus_builder{
{scmplus_preamble_and_sync_manchester, scmplus_preamble_and_sync_length, 1},
{},
{scmplus_payload_length_max},
[this](const baseband::Packet& packet) {
this->scmplus_handler(packet);
}};
void consume_symbol(const float symbol);
void scm_handler(const baseband::Packet& packet);
void scmplus_handler(const baseband::Packet& packet);
void idm_handler(const baseband::Packet& packet);
PacketBuilder<BitPattern, NeverMatch, FixedLength> idm_builder{
{idm_preamble_and_sync_manchester, idm_preamble_and_sync_length, 1},
{},
{idm_payload_length_max},
[this](const baseband::Packet& packet) {
this->idm_handler(packet);
}};
float sum_half_period[2];
float sum_period[3];
float manchester[3];
void consume_symbol(const float symbol);
void scm_handler(const baseband::Packet& packet);
void scmplus_handler(const baseband::Packet& packet);
void idm_handler(const baseband::Packet& packet);
const size_t average_window { 2048 };
int32_t average_i { 0 };
int32_t average_q { 0 };
size_t average_count { 0 };
float offset_i { 0.0f };
float offset_q { 0.0f };
float sum_half_period[2];
float sum_period[3];
float manchester[3];
float abs(const complex8_t& v);
const size_t average_window{2048};
int32_t average_i{0};
int32_t average_q{0};
size_t average_count{0};
float offset_i{0.0f};
float offset_q{0.0f};
float abs(const complex8_t& v);
};
#endif/*__PROC_ERT_H__*/
#endif /*__PROC_ERT_H__*/