kopia lustrzana https://github.com/RPiks/pico-WSPR-tx
46 wiersze
1.6 KiB
C
46 wiersze
1.6 KiB
C
/*
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* JTEncode.cpp - JT65/JT9/WSPR/FSQ encoder library for Arduino
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*
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* Copyright (C) 2015-2021 Jason Milldrum <milldrum@gmail.com>
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*
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* Based on the algorithms presented in the WSJT software suite.
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* Thanks to Andy Talbot G4JNT for the whitepaper on the WSPR encoding
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* process that helped me to understand all of this.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef WSPR_UTILITY_H_
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#define WSPR_UTILITY_H_
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#include <stdint.h>
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#include <string.h>
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#include <ctype.h>
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#include "nhash.h"
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#define WSPR_SYMBOL_COUNT 162
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#define WSPR_BIT_COUNT 162
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#define VALID_DBM_SIZE 28
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void wspr_encode(const char * call, const char * loc, const int8_t dbm, uint8_t * symbols);
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void wspr_message_prep(char * call, char * loc, int8_t dbm);
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void wspr_bit_packing(uint8_t * c);
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void convolve(uint8_t * c, uint8_t * s, uint8_t message_size, uint8_t bit_size);
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void wspr_interleave(uint8_t * s);
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void wspr_merge_sync_vector(uint8_t * g, uint8_t * symbols);
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uint8_t wspr_code(char c);
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void pad_callsign(char * call);
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#endif
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