kopia lustrzana https://github.com/eleccoder/raspi-pico-aprs-tnc
45 wiersze
1.5 KiB
C
45 wiersze
1.5 KiB
C
/*
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* Project 'raspi-pico-aprs-tnc'
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* Copyright (C) 2021 Thomas Glau, DL3TG
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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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* 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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* 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 APRS_PICO_H
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#define APRS_PICO_H
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#include <stdint.h>
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#include <stdbool.h>
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// WARNING: ATTOW, the pico audio PWM lib worked only @ 22050 Hz sampling frequency and 48 MHz system clock
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// This is documented here: https://github.com/raspberrypi/pico-extras
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#define APRS_PICO__PICO_EXTRA_AUDIO_PWM_LIB_FIXED_SAMPLE_FREQ_IN_HZ (22050)
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void sendAPRS(const char* call_sign_src,
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const char* call_sign_dst,
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const char* aprs_path_1,
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const char* aprs_path_2,
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const char* aprs_message,
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const double latitude_in_deg,
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const double longitude_in_deg,
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const double altitude_in_m,
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const uint8_t volume,
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const bool is_loop);
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void send1kHz(unsigned int sample_freq_in_hz, uint8_t volume);
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#endif // APRS_PICO_H
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