98 lines
2 KiB
C++
98 lines
2 KiB
C++
/*
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* Copyright (C) 2020 Jonathan Naylor, G4KLX
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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; version 2 of the License.
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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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#include "AX25Control.h"
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#include "Utils.h"
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#include "Log.h"
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#include <cstdio>
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#include <cassert>
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#include <cstring>
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#include <ctime>
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// #define DUMP_AX25
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const unsigned char BIT_MASK_TABLE[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U };
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#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
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#define READ_BIT1(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7])
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CAX25Control::CAX25Control(CAX25Network* network) :
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m_network(network),
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m_enabled(true),
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m_fp(NULL)
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{
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}
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CAX25Control::~CAX25Control()
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{
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}
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bool CAX25Control::writeModem(unsigned char *data, unsigned int len)
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{
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assert(data != NULL);
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if (!m_enabled)
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return false;
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CUtils::dump(1U, "AX.25 raw packet", data, len);
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return true;
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}
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bool CAX25Control::openFile()
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{
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if (m_fp != NULL)
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return true;
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time_t t;
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::time(&t);
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struct tm* tm = ::localtime(&t);
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char name[100U];
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::sprintf(name, "AX25_%04d%02d%02d_%02d%02d%02d.ambe", tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
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m_fp = ::fopen(name, "wb");
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if (m_fp == NULL)
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return false;
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::fwrite("AX25", 1U, 4U, m_fp);
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return true;
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}
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bool CAX25Control::writeFile(const unsigned char* data, unsigned int length)
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{
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if (m_fp == NULL)
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return false;
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::fwrite(&length, 1U, sizeof(unsigned int), m_fp);
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::fwrite(data, 1U, length, m_fp);
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return true;
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}
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void CAX25Control::closeFile()
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{
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if (m_fp != NULL) {
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::fclose(m_fp);
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m_fp = NULL;
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}
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}
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void CAX25Control::enable(bool enabled)
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{
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m_enabled = enabled;
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}
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