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867 lines
20 KiB
867 lines
20 KiB
/*
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* Copyright (C) 2011-2016 by 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; either version 2 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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "CCITTChecksumReverse.h"
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#include "MMDVMController.h"
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#include "DStarDefines.h"
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#include "Timer.h"
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#if defined(__WINDOWS__)
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#include <setupapi.h>
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#else
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#include <wx/dir.h>
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#endif
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const unsigned char MMDVM_FRAME_START = 0xE0U;
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const unsigned char MMDVM_GET_VERSION = 0x00U;
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const unsigned char MMDVM_GET_STATUS = 0x01U;
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const unsigned char MMDVM_SET_CONFIG = 0x02U;
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const unsigned char MMDVM_DSTAR_HEADER = 0x10U;
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const unsigned char MMDVM_DSTAR_DATA = 0x11U;
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const unsigned char MMDVM_DSTAR_LOST = 0x12U;
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const unsigned char MMDVM_DSTAR_EOT = 0x13U;
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const unsigned char MMDVM_ACK = 0x70U;
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const unsigned char MMDVM_NAK = 0x7FU;
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const unsigned char MMDVM_DUMP = 0xF0U;
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const unsigned char MMDVM_DEBUG1 = 0xF1U;
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const unsigned char MMDVM_DEBUG2 = 0xF2U;
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const unsigned char MMDVM_DEBUG3 = 0xF3U;
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const unsigned char MMDVM_DEBUG4 = 0xF4U;
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const unsigned char MMDVM_DEBUG5 = 0xF5U;
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const unsigned int MAX_RESPONSES = 30U;
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const unsigned int BUFFER_LENGTH = 200U;
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CMMDVMController::CMMDVMController(const wxString& port, const wxString& path, bool rxInvert, bool txInvert, bool pttInvert, unsigned int txDelay, unsigned int rxLevel, unsigned int txLevel) :
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CModem(),
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m_port(port),
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m_path(path),
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m_rxInvert(rxInvert),
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m_txInvert(txInvert),
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m_pttInvert(pttInvert),
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m_txDelay(txDelay),
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m_txLevel(txLevel),
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m_rxLevel(rxLevel),
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m_serial(port, SERIAL_115200, true),
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m_buffer(NULL),
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m_txData(1000U),
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m_rx(false)
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{
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wxASSERT(!port.IsEmpty());
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m_buffer = new unsigned char[BUFFER_LENGTH];
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}
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CMMDVMController::~CMMDVMController()
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{
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delete[] m_buffer;
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}
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bool CMMDVMController::start()
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{
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findPort();
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bool ret = openModem();
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if (!ret)
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return false;
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findPath();
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Create();
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SetPriority(100U);
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Run();
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return true;
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}
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void* CMMDVMController::Entry()
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{
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wxLogMessage(wxT("Starting MMDVM Controller thread"));
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// Clock every 5ms-ish
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CTimer pollTimer(200U, 0U, 100U);
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pollTimer.start();
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unsigned char writeType = DSMTT_NONE;
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unsigned char writeLength = 0U;
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unsigned char* writeBuffer = new unsigned char[BUFFER_LENGTH];
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unsigned int space = 0U;
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while (!m_stopped) {
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// Poll the modem status every 100ms
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if (pollTimer.hasExpired()) {
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bool ret = readStatus();
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if (!ret) {
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ret = findModem();
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if (!ret) {
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wxLogError(wxT("Stopping MMDVM Controller thread"));
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return NULL;
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}
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}
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pollTimer.start();
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}
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unsigned int length;
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RESP_TYPE_MMDVM type = getResponse(m_buffer, length);
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switch (type) {
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case RTDVM_TIMEOUT:
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break;
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case RTDVM_ERROR: {
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bool ret = findModem();
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if (!ret) {
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wxLogError(wxT("Stopping MMDVM Controller thread"));
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return NULL;
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}
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}
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break;
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case RTDVM_DSTAR_HEADER: {
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// CUtils::dump(wxT("RT_DSTAR_HEADER"), m_buffer, length);
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wxMutexLocker locker(m_mutex);
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unsigned char data[2U];
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data[0U] = DSMTT_HEADER;
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data[1U] = RADIO_HEADER_LENGTH_BYTES;
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m_rxData.addData(data, 2U);
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m_rxData.addData(m_buffer + 3U, RADIO_HEADER_LENGTH_BYTES);
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m_rx = true;
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}
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break;
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case RTDVM_DSTAR_DATA: {
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// CUtils::dump(wxT("RT_DSTAR_DATA"), m_buffer, length);
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wxMutexLocker locker(m_mutex);
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unsigned char data[2U];
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data[0U] = DSMTT_DATA;
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data[1U] = DV_FRAME_LENGTH_BYTES;
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m_rxData.addData(data, 2U);
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m_rxData.addData(m_buffer + 3U, DV_FRAME_LENGTH_BYTES);
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m_rx = true;
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}
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break;
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case RTDVM_DSTAR_EOT: {
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// wxLogMessage(wxT("RT_DSTAR_EOT"));
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wxMutexLocker locker(m_mutex);
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unsigned char data[2U];
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data[0U] = DSMTT_EOT;
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data[1U] = 0U;
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m_rxData.addData(data, 2U);
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m_rx = false;
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}
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break;
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case RTDVM_DSTAR_LOST: {
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// wxLogMessage(wxT("RT_DSTAR_LOST"));
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wxMutexLocker locker(m_mutex);
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unsigned char data[2U];
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data[0U] = DSMTT_LOST;
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data[1U] = 0U;
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m_rxData.addData(data, 2U);
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m_rx = false;
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}
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break;
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case RTDVM_GET_STATUS: {
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bool dstar = (m_buffer[3U] & 0x01U) == 0x01U;
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if (!dstar) {
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wxLogError(wxT("D-Star not enabled in the MMDVM!!!"));
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wxLogError(wxT("Stopping MMDVM Controller thread"));
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return NULL;
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}
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m_tx = (m_buffer[5U] & 0x01U) == 0x01U;
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bool adcOverflow = (m_buffer[5U] & 0x02U) == 0x02U;
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if (adcOverflow)
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wxLogWarning(wxT("MMDVM ADC levels have overflowed"));
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space = m_buffer[6U];
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// CUtils::dump(wxT("GET_STATUS"), m_buffer, length);
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// wxLogMessage(wxT("PTT=%d space=%u"), int(m_tx), space);
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}
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break;
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// These should not be received in this loop, but don't complain if we do
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case RTDVM_GET_VERSION:
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case RTDVM_ACK:
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break;
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case RTDVM_NAK: {
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switch (m_buffer[3U]) {
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case MMDVM_DSTAR_HEADER:
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wxLogWarning(wxT("Received a header NAK from the MMDVM, reason = %u"), m_buffer[4U]);
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break;
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case MMDVM_DSTAR_DATA:
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wxLogWarning(wxT("Received a data NAK from the MMDVM, reason = %u"), m_buffer[4U]);
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break;
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case MMDVM_DSTAR_EOT:
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wxLogWarning(wxT("Received an EOT NAK from the MMDVM, reason = %u"), m_buffer[4U]);
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break;
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default:
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wxLogWarning(wxT("Received a NAK from the MMDVM, command = 0x%02X, reason = %u"), m_buffer[3U], m_buffer[4U]);
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break;
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}
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}
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break;
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case RTDVM_DUMP:
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CUtils::dump(wxT("Modem dump"), m_buffer + 3U, length - 3U);
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break;
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case RTDVM_DEBUG1:
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case RTDVM_DEBUG2:
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case RTDVM_DEBUG3:
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case RTDVM_DEBUG4:
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case RTDVM_DEBUG5:
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printDebug();
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break;
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default:
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wxLogMessage(wxT("Unknown message, type: %02X"), m_buffer[2U]);
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CUtils::dump(wxT("Buffer dump"), m_buffer, length);
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break;
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}
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if (writeType == DSMTT_NONE && m_txData.hasData()) {
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wxMutexLocker locker(m_mutex);
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m_txData.getData(&writeType, 1U);
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m_txData.getData(&writeLength, 1U);
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m_txData.getData(writeBuffer, writeLength);
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}
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if (space > 4U && writeType == DSMTT_HEADER) {
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// CUtils::dump(wxT("Write Header"), writeBuffer, writeLength);
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int ret = m_serial.write(writeBuffer, writeLength);
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if (ret != int(writeLength))
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wxLogWarning(wxT("Error when writing the header to the MMDVM"));
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writeType = DSMTT_NONE;
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space -= 4U;
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}
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if (space > 1U && (writeType == DSMTT_DATA || writeType == DSMTT_EOT)) {
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// CUtils::dump(wxT("Write Data"), writeBuffer, writeLength);
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int ret = m_serial.write(writeBuffer, writeLength);
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if (ret != int(writeLength))
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wxLogWarning(wxT("Error when writing data to the MMDVM"));
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writeType = DSMTT_NONE;
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space--;
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}
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Sleep(5UL);
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pollTimer.clock();
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}
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wxLogMessage(wxT("Stopping MMDVM Controller thread"));
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delete[] writeBuffer;
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m_serial.close();
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return NULL;
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}
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bool CMMDVMController::writeHeader(const CHeaderData& header)
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{
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bool ret = m_txData.hasSpace(46U);
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if (!ret) {
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wxLogWarning(wxT("No space to write the header"));
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return false;
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}
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unsigned char buffer[50U];
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buffer[0U] = MMDVM_FRAME_START;
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buffer[1U] = RADIO_HEADER_LENGTH_BYTES + 3U;
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buffer[2U] = MMDVM_DSTAR_HEADER;
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::memset(buffer + 3U, ' ', RADIO_HEADER_LENGTH_BYTES);
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buffer[3U] = header.getFlag1();
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buffer[4U] = header.getFlag2();
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buffer[5U] = header.getFlag3();
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wxString rpt2 = header.getRptCall2();
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for (unsigned int i = 0U; i < rpt2.Len() && i < LONG_CALLSIGN_LENGTH; i++)
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buffer[i + 6U] = rpt2.GetChar(i);
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wxString rpt1 = header.getRptCall1();
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for (unsigned int i = 0U; i < rpt1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
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buffer[i + 14U] = rpt1.GetChar(i);
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wxString your = header.getYourCall();
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for (unsigned int i = 0U; i < your.Len() && i < LONG_CALLSIGN_LENGTH; i++)
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buffer[i + 22U] = your.GetChar(i);
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wxString my1 = header.getMyCall1();
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for (unsigned int i = 0U; i < my1.Len() && i < LONG_CALLSIGN_LENGTH; i++)
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buffer[i + 30U] = my1.GetChar(i);
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wxString my2 = header.getMyCall2();
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for (unsigned int i = 0U; i < my2.Len() && i < SHORT_CALLSIGN_LENGTH; i++)
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buffer[i + 38U] = my2.GetChar(i);
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CCCITTChecksumReverse cksum1;
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cksum1.update(buffer + 3U, RADIO_HEADER_LENGTH_BYTES - 2U);
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cksum1.result(buffer + 42U);
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wxMutexLocker locker(m_mutex);
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unsigned char type = DSMTT_HEADER;
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m_txData.addData(&type, 1U);
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unsigned char len = RADIO_HEADER_LENGTH_BYTES + 3U;
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m_txData.addData(&len, 1U);
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m_txData.addData(buffer, RADIO_HEADER_LENGTH_BYTES + 3U);
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return true;
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}
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bool CMMDVMController::writeData(const unsigned char* data, unsigned int length, bool end)
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{
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bool ret = m_txData.hasSpace(17U);
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if (!ret) {
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wxLogWarning(wxT("No space to write data"));
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return false;
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}
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unsigned char buffer[20U];
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if (end) {
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buffer[0U] = MMDVM_FRAME_START;
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buffer[1U] = 3U;
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buffer[2U] = MMDVM_DSTAR_EOT;
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wxMutexLocker locker(m_mutex);
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unsigned char type = DSMTT_EOT;
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m_txData.addData(&type, 1U);
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unsigned char len = 3U;
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m_txData.addData(&len, 1U);
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m_txData.addData(buffer, 3U);
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return true;
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}
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buffer[0U] = MMDVM_FRAME_START;
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buffer[1U] = DV_FRAME_LENGTH_BYTES + 3U;
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buffer[2U] = MMDVM_DSTAR_DATA;
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::memcpy(buffer + 3U, data, DV_FRAME_LENGTH_BYTES);
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wxMutexLocker locker(m_mutex);
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unsigned char type = DSMTT_DATA;
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m_txData.addData(&type, 1U);
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unsigned char len = DV_FRAME_LENGTH_BYTES + 3U;
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m_txData.addData(&len, 1U);
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m_txData.addData(buffer, DV_FRAME_LENGTH_BYTES + 3U);
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return true;
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}
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unsigned int CMMDVMController::getSpace()
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{
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return m_txData.freeSpace() / (DV_FRAME_LENGTH_BYTES + 5U);
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}
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bool CMMDVMController::isTXReady()
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{
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if (m_tx)
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return false;
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return m_txData.isEmpty();
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}
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bool CMMDVMController::readVersion()
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{
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::wxSleep(2);
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for (unsigned int i = 0U; i < 6U; i++) {
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unsigned char buffer[3U];
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buffer[0U] = MMDVM_FRAME_START;
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buffer[1U] = 3U;
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buffer[2U] = MMDVM_GET_VERSION;
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// CUtils::dump(wxT("Written"), buffer, 3U);
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int ret = m_serial.write(buffer, 3U);
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if (ret != 3)
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return false;
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for (unsigned int count = 0U; count < MAX_RESPONSES; count++) {
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::wxMilliSleep(10UL);
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unsigned int length;
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RESP_TYPE_MMDVM resp = getResponse(m_buffer, length);
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if (resp == RTDVM_GET_VERSION) {
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wxString description((char*)(m_buffer + 4U), wxConvLocal, length - 4U);
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wxLogInfo(wxT("MMDVM protocol version: %u, description: %s"), m_buffer[3U], description.c_str());
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return true;
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}
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}
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::wxSleep(1);
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}
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wxLogError(wxT("Unable to read the firmware version after six attempts"));
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return false;
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}
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bool CMMDVMController::readStatus()
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{
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unsigned char buffer[3U];
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buffer[0U] = MMDVM_FRAME_START;
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buffer[1U] = 3U;
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buffer[2U] = MMDVM_GET_STATUS;
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return m_serial.write(buffer, 3U) == 3;
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}
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bool CMMDVMController::setConfig()
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{
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unsigned char buffer[25U];
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buffer[0U] = MMDVM_FRAME_START;
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buffer[1U] = 19U;
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buffer[2U] = MMDVM_SET_CONFIG;
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buffer[3U] = 0x00U;
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if (m_rxInvert)
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buffer[3U] |= 0x01U;
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if (m_txInvert)
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buffer[3U] |= 0x02U;
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if (m_pttInvert)
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buffer[3U] |= 0x04U;
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buffer[4U] = 0x01U; // D-Star only
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buffer[5U] = m_txDelay / 10U; // In 10ms units
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buffer[6U] = 1U; // STATE_DSTAR
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buffer[7U] = (m_rxLevel * 255U) / 100U;
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buffer[8U] = (m_txLevel * 255U) / 100U;
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buffer[9U] = 0U; // DMR Color Code
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buffer[10U] = 0U; // DMR Delay
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buffer[11U] = 0U; // Osc. Offset
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buffer[12U] = (m_txLevel * 255U) / 100U;
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buffer[13U] = (m_txLevel * 255U) / 100U;
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buffer[14U] = (m_txLevel * 255U) / 100U;
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buffer[15U] = (m_txLevel * 255U) / 100U;
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buffer[16U] = 128U;
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buffer[17U] = 128U;
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buffer[18U] = (m_txLevel * 255U) / 100U;
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// CUtils::dump(wxT("Written"), buffer, 19U);
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int ret = m_serial.write(buffer, 19U);
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if (ret != 19U)
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return false;
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unsigned int count = 0U;
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unsigned int length;
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RESP_TYPE_MMDVM resp;
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do {
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::wxMilliSleep(10UL);
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resp = getResponse(m_buffer, length);
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if (resp != RTDVM_ACK && resp != RTDVM_NAK) {
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count++;
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if (count >= MAX_RESPONSES) {
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wxLogError(wxT("The MMDVM is not responding to the SET_CONFIG command"));
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return false;
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}
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}
|
|
} while (resp != RTDVM_ACK && resp != RTDVM_NAK);
|
|
|
|
// CUtils::dump(wxT("Response"), m_buffer, length);
|
|
|
|
if (resp == RTDVM_NAK) {
|
|
wxLogError(wxT("Received a NAK to the SET_CONFIG command from the modem"));
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
RESP_TYPE_MMDVM CMMDVMController::getResponse(unsigned char *buffer, unsigned int& length)
|
|
{
|
|
// Get the start of the frame or nothing at all
|
|
int ret = m_serial.read(buffer + 0U, 1U);
|
|
if (ret < 0) {
|
|
wxLogError(wxT("Error when reading from the MMDVM"));
|
|
return RTDVM_ERROR;
|
|
}
|
|
|
|
if (ret == 0)
|
|
return RTDVM_TIMEOUT;
|
|
|
|
if (buffer[0U] != MMDVM_FRAME_START)
|
|
return RTDVM_TIMEOUT;
|
|
|
|
ret = m_serial.read(buffer + 1U, 1U);
|
|
if (ret < 0) {
|
|
wxLogError(wxT("Error when reading from the MMDVM"));
|
|
return RTDVM_ERROR;
|
|
}
|
|
|
|
if (ret == 0)
|
|
return RTDVM_TIMEOUT;
|
|
|
|
length = buffer[1U];
|
|
|
|
if (length >= 100U) {
|
|
wxLogError(wxT("Invalid data received from the MMDVM"));
|
|
CUtils::dump(wxT("Data"), buffer, 2U);
|
|
return RTDVM_TIMEOUT;
|
|
}
|
|
|
|
unsigned int offset = 2U;
|
|
|
|
while (offset < length) {
|
|
int ret = m_serial.read(buffer + offset, length - offset);
|
|
if (ret < 0) {
|
|
wxLogError(wxT("Error when reading from the MMDVM"));
|
|
return RTDVM_ERROR;
|
|
}
|
|
|
|
if (ret > 0)
|
|
offset += ret;
|
|
|
|
if (ret == 0)
|
|
Sleep(5UL);
|
|
}
|
|
|
|
// CUtils::dump(wxT("Received"), buffer, length);
|
|
|
|
switch (buffer[2U]) {
|
|
case MMDVM_GET_STATUS:
|
|
return RTDVM_GET_STATUS;
|
|
case MMDVM_GET_VERSION:
|
|
return RTDVM_GET_VERSION;
|
|
case MMDVM_DSTAR_HEADER:
|
|
return RTDVM_DSTAR_HEADER;
|
|
case MMDVM_DSTAR_DATA:
|
|
return RTDVM_DSTAR_DATA;
|
|
case MMDVM_DSTAR_EOT:
|
|
return RTDVM_DSTAR_EOT;
|
|
case MMDVM_DSTAR_LOST:
|
|
return RTDVM_DSTAR_LOST;
|
|
case MMDVM_ACK:
|
|
return RTDVM_ACK;
|
|
case MMDVM_NAK:
|
|
return RTDVM_NAK;
|
|
case MMDVM_DUMP:
|
|
return RTDVM_DUMP;
|
|
case MMDVM_DEBUG1:
|
|
return RTDVM_DEBUG1;
|
|
case MMDVM_DEBUG2:
|
|
return RTDVM_DEBUG2;
|
|
case MMDVM_DEBUG3:
|
|
return RTDVM_DEBUG3;
|
|
case MMDVM_DEBUG4:
|
|
return RTDVM_DEBUG4;
|
|
case MMDVM_DEBUG5:
|
|
return RTDVM_DEBUG5;
|
|
default:
|
|
return RTDVM_UNKNOWN;
|
|
}
|
|
}
|
|
|
|
wxString CMMDVMController::getPath() const
|
|
{
|
|
return m_path;
|
|
}
|
|
|
|
bool CMMDVMController::findPort()
|
|
{
|
|
if (m_path.IsEmpty())
|
|
return false;
|
|
|
|
#if defined(__WINDOWS__)
|
|
#else
|
|
wxDir dir;
|
|
bool ret1 = dir.Open(wxT("/sys/class/tty"));
|
|
if (!ret1) {
|
|
wxLogError(wxT("Cannot open directory /sys/class/tty"));
|
|
return false;
|
|
}
|
|
|
|
wxString fileName;
|
|
ret1 = dir.GetFirst(&fileName, wxT("ttyACM*"));
|
|
while (ret1) {
|
|
wxString path;
|
|
path.Printf(wxT("/sys/class/tty/%s"), fileName.c_str());
|
|
|
|
char cpath[255U];
|
|
::memset(cpath, 0x00U, 255U);
|
|
|
|
for (unsigned int i = 0U; i < path.Len(); i++)
|
|
cpath[i] = path.GetChar(i);
|
|
|
|
char symlink[255U];
|
|
int ret2 = ::readlink(cpath, symlink, 255U);
|
|
if (ret2 < 0) {
|
|
::strcat(cpath, "/device");
|
|
ret2 = ::readlink(cpath, symlink, 255U);
|
|
if (ret2 < 0) {
|
|
wxLogError(wxT("Error from readlink()"));
|
|
return false;
|
|
}
|
|
|
|
path = wxString(symlink, wxConvLocal, ret2);
|
|
} else {
|
|
// Get all but the last section
|
|
wxString fullPath = wxString(symlink, wxConvLocal, ret2);
|
|
path = fullPath.BeforeLast(wxT('/'));
|
|
}
|
|
|
|
if (path.IsSameAs(m_path)) {
|
|
m_port.Printf(wxT("/dev/%s"), fileName.c_str());
|
|
|
|
wxLogMessage(wxT("Found modem port of %s based on the path"), m_port.c_str());
|
|
|
|
return true;
|
|
}
|
|
|
|
ret1 = dir.GetNext(&fileName);
|
|
}
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CMMDVMController::findPath()
|
|
{
|
|
#if defined(__WINDOWS__)
|
|
#ifdef notdef
|
|
GUID guids[5U];
|
|
|
|
DWORD count;
|
|
BOOL res = ::SetupDiClassGuidsFromName(L"Multifunction", guids, 5U, &count);
|
|
if (!res) {
|
|
wxLogError(wxT("Error from SetupDiClassGuidsFromName: err=%u"), ::GetLastError());
|
|
return false;
|
|
}
|
|
|
|
for (DWORD i = 0U; i < count; i++) {
|
|
HDEVINFO devInfo = ::SetupDiGetClassDevs(&guids[i], NULL, NULL, DIGCF_DEVICEINTERFACE | DIGCF_PRESENT);
|
|
if (devInfo == INVALID_HANDLE_VALUE) {
|
|
wxLogError(wxT("Error from SetupDiGetClassDevs: err=%u"), ::GetLastError());
|
|
return false;
|
|
}
|
|
|
|
SP_DEVICE_INTERFACE_DATA devInfoData;
|
|
devInfoData.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
|
|
|
|
for (DWORD index = 0U; ::SetupDiEnumDeviceInterfaces(devInfo, NULL, &guids[i], index, &devInfoData); index++) {
|
|
// Find the required length of the device structure
|
|
DWORD length;
|
|
::SetupDiGetDeviceInterfaceDetail(devInfo, &devInfoData, NULL, 0U, &length, NULL);
|
|
|
|
PSP_DEVICE_INTERFACE_DETAIL_DATA detailData = PSP_DEVICE_INTERFACE_DETAIL_DATA(::malloc(length));
|
|
detailData->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA);
|
|
|
|
// Get the detailed data into the newly allocated device structure
|
|
DWORD required;
|
|
res = ::SetupDiGetDeviceInterfaceDetail(devInfo, &devInfoData, detailData, length, &required, NULL);
|
|
if (!res) {
|
|
wxLogError(wxT("Error from SetupDiGetDeviceInterfaceDetail: err=%u"), ::GetLastError());
|
|
::SetupDiDestroyDeviceInfoList(devInfo);
|
|
::free(detailData);
|
|
return false;
|
|
}
|
|
|
|
::free(detailData);
|
|
}
|
|
|
|
::SetupDiDestroyDeviceInfoList(devInfo);
|
|
}
|
|
|
|
return false;
|
|
#endif
|
|
#else
|
|
wxString path;
|
|
path.Printf(wxT("/sys/class/tty/%s"), m_port.Mid(5U).c_str());
|
|
|
|
char cpath[255U];
|
|
::memset(cpath, 0x00U, 255U);
|
|
|
|
for (unsigned int i = 0U; i < path.Len(); i++)
|
|
cpath[i] = path.GetChar(i);
|
|
|
|
char symlink[255U];
|
|
int ret = ::readlink(cpath, symlink, 255U);
|
|
if (ret < 0) {
|
|
::strcat(cpath, "/device");
|
|
ret = ::readlink(cpath, symlink, 255U);
|
|
if (ret < 0) {
|
|
wxLogError(wxT("Error from readlink()"));
|
|
return false;
|
|
}
|
|
|
|
path = wxString(symlink, wxConvLocal, ret);
|
|
} else {
|
|
wxString fullPath = wxString(symlink, wxConvLocal, ret);
|
|
path = fullPath.BeforeLast(wxT('/'));
|
|
}
|
|
|
|
if (m_path.IsEmpty())
|
|
wxLogMessage(wxT("Found modem path of %s"), path.c_str());
|
|
|
|
m_path = path;
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CMMDVMController::findModem()
|
|
{
|
|
m_serial.close();
|
|
|
|
// Tell the repeater that the signal has gone away
|
|
if (m_rx) {
|
|
wxMutexLocker locker(m_mutex);
|
|
|
|
unsigned char data[2U];
|
|
data[0U] = DSMTT_EOT;
|
|
data[1U] = 0U;
|
|
m_rxData.addData(data, 2U);
|
|
|
|
m_rx = false;
|
|
}
|
|
|
|
unsigned int count = 0U;
|
|
|
|
// Purge the transmit buffer every 500ms to avoid overflow, but only try and reopen the modem every 2s
|
|
while (!m_stopped) {
|
|
count++;
|
|
if (count >= 4U) {
|
|
wxLogMessage(wxT("Trying to reopen the modem"));
|
|
|
|
bool ret = findPort();
|
|
if (ret) {
|
|
ret = openModem();
|
|
if (ret)
|
|
return true;
|
|
}
|
|
|
|
count = 0U;
|
|
}
|
|
|
|
Sleep(500UL);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool CMMDVMController::openModem()
|
|
{
|
|
bool ret = m_serial.open();
|
|
if (!ret)
|
|
return false;
|
|
|
|
ret = readVersion();
|
|
if (!ret) {
|
|
m_serial.close();
|
|
return false;
|
|
}
|
|
|
|
ret = setConfig();
|
|
if (!ret) {
|
|
m_serial.close();
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void CMMDVMController::printDebug()
|
|
{
|
|
unsigned int length = m_buffer[1U];
|
|
if (m_buffer[2U] == 0xF1U) {
|
|
wxString message((char*)(m_buffer + 3U), wxConvLocal, length - 3U);
|
|
wxLogMessage(wxT("Debug: %s"), message.c_str());
|
|
} else if (m_buffer[2U] == 0xF2U) {
|
|
wxString message((char*)(m_buffer + 3U), wxConvLocal, length - 5U);
|
|
short val1 = (m_buffer[length - 2U] << 8) | m_buffer[length - 1U];
|
|
wxLogMessage(wxT("Debug: %s %d"), message.c_str(), val1);
|
|
} else if (m_buffer[2U] == 0xF3U) {
|
|
wxString message((char*)(m_buffer + 3U), wxConvLocal, length - 7U);
|
|
short val1 = (m_buffer[length - 4U] << 8) | m_buffer[length - 3U];
|
|
short val2 = (m_buffer[length - 2U] << 8) | m_buffer[length - 1U];
|
|
wxLogMessage(wxT("Debug: %s %d %d"), message.c_str(), val1, val2);
|
|
} else if (m_buffer[2U] == 0xF4U) {
|
|
wxString message((char*)(m_buffer + 3U), wxConvLocal, length - 9U);
|
|
short val1 = (m_buffer[length - 6U] << 8) | m_buffer[length - 5U];
|
|
short val2 = (m_buffer[length - 4U] << 8) | m_buffer[length - 3U];
|
|
short val3 = (m_buffer[length - 2U] << 8) | m_buffer[length - 1U];
|
|
wxLogMessage(wxT("Debug: %s %d %d %d"), message.c_str(), val1, val2, val3);
|
|
} else if (m_buffer[2U] == 0xF5U) {
|
|
wxString message((char*)(m_buffer + 3U), wxConvLocal, length - 11U);
|
|
short val1 = (m_buffer[length - 8U] << 8) | m_buffer[length - 7U];
|
|
short val2 = (m_buffer[length - 6U] << 8) | m_buffer[length - 5U];
|
|
short val3 = (m_buffer[length - 4U] << 8) | m_buffer[length - 3U];
|
|
short val4 = (m_buffer[length - 2U] << 8) | m_buffer[length - 1U];
|
|
wxLogMessage(wxT("Debug: %s %d %d %d %d"), message.c_str(), val1, val2, val3, val4);
|
|
}
|
|
}
|