/* * Copyright (C) 2020 by Jonathan Naylor G4KLX * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #if !defined(AX25Defines_H) #define AX25Defines_H const unsigned int AX25_CALLSIGN_TEXT_LENGTH = 6U; const unsigned int AX25_SSID_LENGTH = 1U; const unsigned int AX25_CALLSIGN_LENGTH = 7U; const unsigned int AX25_MAX_DIGIPEATERS = 6U; const unsigned char AX25_PID_NOL3 = 0xF0U; const unsigned int AX25_MAX_FRAME_LENGTH_BYTES = 330U; // Callsign (7) + Callsign (7) + 8 Digipeaters (56) + // Control (1) + PID (1) + Data (256) + Checksum (2) const unsigned char AX25_KISS_DATA = 0x00U; const unsigned char AX25_FEND = 0xC0U; const unsigned char AX25_FESC = 0xDBU; const unsigned char AX25_TFEND = 0xDCU; const unsigned char AX25_TFESC = 0xDDU; #endif