kopia lustrzana https://github.com/DL7AD/pecanpico9
50 wiersze
1.7 KiB
C
50 wiersze
1.7 KiB
C
/* trackuino copyright (C) 2010 EA5HAV Javi
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __AX25_H__
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#define __AX25_H__
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#include "ch.h"
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#include "hal.h"
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#include "si4464.h"
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typedef struct {
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char callsign[7];
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unsigned char ssid;
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} address_t;
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typedef struct {
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uint8_t ones_in_a_row; // Ones in a row (for bitstuffing)
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uint8_t *data; // Data
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uint16_t size; // Packet size in bits
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uint16_t max_size; // Max. Packet size in bits (size of modem packet)
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uint16_t crc; // CRC
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mod_t mod; // Modulation type (MOD_AFSK or MOD_2GFSK)
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} ax25_t;
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void ax25_init(ax25_t *packet);
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void ax25_send_header(ax25_t *packet, const char *callsign, uint8_t ssid, const char *path, uint16_t preamble);
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void ax25_send_path(ax25_t *packet, const char *callsign, uint8_t ssid, bool last);
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void ax25_send_byte(ax25_t *packet, char byte);
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void ax25_send_string(ax25_t *packet, const char *string);
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void ax25_send_footer(ax25_t *packet);
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void scramble(ax25_t *packet);
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void nrzi_encode(ax25_t *packet);
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#endif
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