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remove unused files;

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Bryan Biedenkapp 5 years ago
parent d341f664ba
commit ea33f010ed
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80
modem/NullModem.cpp
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/**
* Digital Voice Modem - Host Software
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Host Software
*
*/
//
// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
//
/*
* Copyright (C) 2011-2017 by Jonathan Naylor G4KLX
* Copyright (C) 2017-2020 by Bryan Biedenkapp N2PLL
*
* 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.
*/
#include "Defines.h"
#include "modem/NullModem.h"
#include "Log.h"
using namespace modem;
// ---------------------------------------------------------------------------
// Public Class Members
// ---------------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the NullModem class.
/// </summary>
/// <param name="port">Serial port the modem DSP is connected to.</param>
/// <param name="duplex">Flag indicating the modem is operating in duplex mode.</param>
/// <param name="rxInvert">Flag indicating the Rx polarity should be inverted.</param>
/// <param name="txInvert">Flag indicating the Tx polarity should be inverted.</param>
/// <param name="pttInvert">Flag indicating the PTT polarity should be inverted.</param>
/// <param name="dcBlocker">Flag indicating whether the DSP DC-level blocking should be enabled.</param>
/// <param name="cosLockout">Flag indicating whether the COS signal should be used to lockout the modem.</param>
/// <param name="fdmaPreamble">Count of FDMA preambles to transmit before data. (P25/DMR DMO)</param>
/// <param name="dmrRxDelay">Compensate for delay in receiver audio chain in ms. Usually DSP based.</param>
/// <param name="p25CorrCount">P25 Correlation Countdown.</param>
/// <param name="packetPlayoutTime">Length of time in MS between packets to send to modem.</param>
/// <param name="disableOFlowReset">Flag indicating whether the ADC/DAC overflow reset logic is disabled.</param>
/// <param name="trace">Flag indicating whether modem DSP trace is enabled.</param>
/// <param name="debug">Flag indicating whether modem DSP debug is enabled.</param>
NullModem::NullModem(const std::string& port, bool duplex, bool rxInvert, bool txInvert, bool pttInvert, bool dcBlocker,
bool cosLockout, uint8_t fdmaPreamble, uint8_t dmrRxDelay, uint8_t p25CorrCount, uint8_t packetPlayoutTime, bool disableOFlowReset, bool trace, bool debug) :
Modem(port, duplex, rxInvert, txInvert, pttInvert, dcBlocker, cosLockout, fdmaPreamble, dmrRxDelay, p25CorrCount, packetPlayoutTime, disableOFlowReset, trace, debug)
{
/* stub */
}
/// <summary>
/// Finalizes a instance of the NullModem class.
/// </summary>
NullModem::~NullModem()
{
/* stub */
}
/// <summary>
/// Opens connection to the modem DSP.
/// </summary>
/// <returns>True, if connection to modem is established, otherwise false.</returns>
bool NullModem::open()
{
LogMessage(LOG_MODEM, "Initializing NULL modem");
return true;
}

106
modem/NullModem.h
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/**
* Digital Voice Modem - Host Software
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Host Software
*
*/
//
// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
//
/*
* Copyright (C) 2011-2017 by Jonathan Naylor G4KLX
* Copyright (C) 2017-2020 by Bryan Biedenkapp N2PLL
*
* 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(__NULL_MODEM_H__)
#define __NULL_MODEM_H__
#include "Defines.h"
#include "modem/Modem.h"
namespace modem
{
// ---------------------------------------------------------------------------
// Class Declaration
// Implements the interface to a null modem.
// ---------------------------------------------------------------------------
class HOST_SW_API NullModem : public Modem {
public:
/// <summary>Initializes a new instance of the NullModem class.</summary>
NullModem(const std::string& port, bool duplex, bool rxInvert, bool txInvert, bool pttInvert, bool dcBlocker,
bool cosLockout, uint8_t fdmaPreamble, uint8_t dmrRxDelay, uint8_t p25CorrCount, uint8_t packetPlayoutTime, bool disableOFlowReset, bool trace, bool debug);
/// <summary>Finalizes a instance of the NullModem class.</summary>
~NullModem();
/// <summary>Sets the modem DSP RF DC offset parameters.</summary>
virtual void setDCOffsetParams(int txDCOffset, int rxDCOffset) { return; }
/// <summary>Sets the modem DSP enabled modes.</summary>
virtual void setModeParams(bool dmrEnabled, bool p25Enabled) { return; }
/// <summary>Sets the modem DSP RF deviation levels.</summary>
virtual void setLevels(float rxLevel, float cwIdTXLevel, float dmrTXLevel, float p25TXLevel) { return; }
/// <summary>Sets the modem DSP Symbol adjustment levels</summary>
virtual void setSymbolAdjust(int dmrSymLevel3Adj, int dmrSymLevel1Adj, int p25SymLevel3Adj, int p25SymLevel1Adj) { return; }
/// <summary>Sets the modem DSP DMR color code.</summary>
virtual void setDMRColorCode(uint32_t colorCode) { return; }
/// <summary>Sets the modem DSP RF receive deviation levels.</summary>
virtual void setRXLevel(float rxLevel) { return; }
/// <summary>Opens connection to the modem DSP.</summary>
virtual bool open();
/// <summary>Updates the timer by the passed number of milliseconds.</summary>
virtual void clock(uint32_t ms) { return; }
/// <summary>Closes connection to the modem DSP.</summary>
virtual void close() { return; }
/// <summary>Flag indicating whether or not the modem DSP is transmitting.</summary>
virtual bool hasTX() const { return false; }
/// <summary>Flag indicating whether or not the modem DSP has carrier detect.</summary>
virtual bool hasCD() const { return false; }
/// <summary>Flag indicating whether or not the modem DSP is currently locked out.</summary>
virtual bool hasLockout() const { return false; }
/// <summary>Flag indicating whether or not the modem DSP is currently in an error condition.</summary>
virtual bool hasError() const { return false; }
/// <summary>Writes DMR Slot 1 frame data to the DMR Slot 1 ring buffer.</summary>
virtual bool writeDMRData1(const uint8_t* data, uint32_t length) { return true; }
/// <summary>Writes DMR Slot 2 frame data to the DMR Slot 2 ring buffer.</summary>
virtual bool writeDMRData2(const uint8_t* data, uint32_t length) { return true; }
/// <summary>Writes P25 frame data to the P25 ring buffer.</summary>
virtual bool writeP25Data(const uint8_t* data, uint32_t length) { return true; }
/// <summary>Triggers the start of DMR transmit.</summary>
virtual bool writeDMRStart(bool tx) { return true; }
/// <summary>Writes a DMR short LC to the modem DSP.</summary>
virtual bool writeDMRShortLC(const uint8_t* lc) { return true; }
/// <summary>Writes a DMR abort message for the given slot to the modem DSP.</summary>
virtual bool writeDMRAbort(uint32_t slotNo) { return true; }
/// <summary>Sets the current operating mode for the modem DSP.</summary>
virtual bool setMode(DVM_STATE state) { return true; }
/// <summary>Transmits the given string as CW morse.</summary>
virtual bool sendCWId(const std::string& callsign) { return true; }
};
} // namespace modem
#endif // __NULL_MODEM_H__

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modem/SerialController.cpp
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/**
* Digital Voice Modem - Host Software
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Host Software
*
*/
//
// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
//
/*
* Copyright (C) 2002-2004,2007-2011,2013,2014-2017 by Jonathan Naylor G4KLX
* Copyright (C) 1999-2001 by Thomas Sailor HB9JNX
* Copyright (C) 2020 by Bryan Biedenkapp N2PLL
*
* 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.
*/
#include "Defines.h"
#include "modem/SerialController.h"
#include "Log.h"
using namespace modem;
#include <cstring>
#include <cassert>
#include <sys/types.h>
#if defined(_WIN32) || defined(_WIN64)
#include <setupapi.h>
#include <winioctl.h>
#else
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <cerrno>
#include <fcntl.h>
#include <unistd.h>
#include <termios.h>
#endif
// ---------------------------------------------------------------------------
// Public Class Members
// ---------------------------------------------------------------------------
#if defined(_WIN32) || defined(_WIN64)
/// <summary>
/// Initializes a new instance of the CSerialController class.
/// </summary>
/// <param name="device">Serial port device.</param>
/// <param name="speed">Serial port speed.</param>
/// <param name="assertRTS"></param>
CSerialController::CSerialController() :
m_handle(INVALID_HANDLE_VALUE)
{
/* stub */
}
/// <summary>
/// Initializes a new instance of the CSerialController class.
/// </summary>
/// <param name="device">Serial port device.</param>
/// <param name="speed">Serial port speed.</param>
/// <param name="assertRTS"></param>
CSerialController::CSerialController(const std::string& device, SERIAL_SPEED speed, bool assertRTS) :
m_device(device),
m_speed(speed),
m_assertRTS(assertRTS),
m_handle(INVALID_HANDLE_VALUE)
{
assert(!device.empty());
}
/// <summary>
/// Finalizes a instance of the CSerialController class.
/// </summary>
CSerialController::~CSerialController()
{
/* stub */
}
/// <summary>
/// Opens a connection to the serial port.
/// </summary>
/// <returns>True, if connection is opened, otherwise false.</returns>
bool CSerialController::open()
{
assert(!m_device.empty());
assert(m_handle == INVALID_HANDLE_VALUE);
DWORD errCode;
// Convert "\\.\COM10" to "COM10"
std::string baseName = m_device.substr(4U);
m_handle = ::CreateFileA(m_device.c_str(), GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (m_handle == INVALID_HANDLE_VALUE) {
LogError(LOG_MODEM, "Cannot open device - %s, err=%04lx", m_device.c_str(), ::GetLastError());
return false;
}
DCB dcb;
if (::GetCommState(m_handle, &dcb) == 0) {
LogError(LOG_MODEM, "Cannot get the attributes for %s, err=%04lx", m_device.c_str(), ::GetLastError());
::ClearCommError(m_handle, &errCode, NULL);
::CloseHandle(m_handle);
return false;
}
dcb.BaudRate = DWORD(m_speed);
dcb.ByteSize = 8;
dcb.Parity = NOPARITY;
dcb.fParity = FALSE;
dcb.StopBits = ONESTOPBIT;
dcb.fInX = FALSE;
dcb.fOutX = FALSE;
dcb.fOutxCtsFlow = FALSE;
dcb.fOutxDsrFlow = FALSE;
dcb.fDsrSensitivity = FALSE;
dcb.fDtrControl = DTR_CONTROL_DISABLE;
dcb.fRtsControl = RTS_CONTROL_DISABLE;
if (::SetCommState(m_handle, &dcb) == 0) {
LogError(LOG_MODEM, "Cannot set the attributes for %s, err=%04lx", m_device.c_str(), ::GetLastError());
::ClearCommError(m_handle, &errCode, NULL);
::CloseHandle(m_handle);
return false;
}
COMMTIMEOUTS timeouts;
if (!::GetCommTimeouts(m_handle, &timeouts)) {
LogError(LOG_MODEM, "Cannot get the timeouts for %s, err=%04lx", m_device.c_str(), ::GetLastError());
::ClearCommError(m_handle, &errCode, NULL);
::CloseHandle(m_handle);
return false;
}
timeouts.ReadIntervalTimeout = MAXDWORD;
timeouts.ReadTotalTimeoutMultiplier = 0UL;
timeouts.ReadTotalTimeoutConstant = 0UL;
if (!::SetCommTimeouts(m_handle, &timeouts)) {
LogError(LOG_MODEM, "Cannot set the timeouts for %s, err=%04lx", m_device.c_str(), ::GetLastError());
::ClearCommError(m_handle, &errCode, NULL);
::CloseHandle(m_handle);
return false;
}
if (::EscapeCommFunction(m_handle, CLRDTR) == 0) {
LogError(LOG_MODEM, "Cannot clear DTR for %s, err=%04lx", m_device.c_str(), ::GetLastError());
::ClearCommError(m_handle, &errCode, NULL);
::CloseHandle(m_handle);
return false;
}
if (::EscapeCommFunction(m_handle, m_assertRTS ? SETRTS : CLRRTS) == 0) {
LogError(LOG_MODEM, "Cannot set/clear RTS for %s, err=%04lx", m_device.c_str(), ::GetLastError());
::ClearCommError(m_handle, &errCode, NULL);
::CloseHandle(m_handle);
return false;
}
::ClearCommError(m_handle, &errCode, NULL);
return true;
}
/// <summary>
/// Reads data from the serial port.
/// </summary>
/// <param name="buffer">Buffer to read data from the serial port to.</param>
/// <param name="length">Length of data to read from the serial port.</param>
/// <returns>Actual length of data read from serial port.</returns>
int CSerialController::read(uint8_t* buffer, uint32_t length)
{
assert(m_handle != INVALID_HANDLE_VALUE);
assert(buffer != NULL);
uint32_t ptr = 0U;
while (ptr < length) {
int ret = readNonblock(buffer + ptr, length - ptr);
if (ret < 0) {
return ret;
}
else if (ret == 0) {
if (ptr == 0U)
return 0;
}
else {
ptr += ret;
}
}
return int(length);
}
/// <summary>
/// Writes data to the serial port.
/// </summary>
/// <param name="buffer">Buffer containing data to write to serial port.</param>
/// <param name="length">Length of data to write to serial port.</param>
/// <returns>Actual length of data written to the serial port.</returns>
int CSerialController::write(const uint8_t* buffer, uint32_t length)
{
assert(m_handle != INVALID_HANDLE_VALUE);
assert(buffer != NULL);
if (length == 0U)
return 0;
uint32_t ptr = 0U;
while (ptr < length) {
DWORD bytes = 0UL;
BOOL ret = ::WriteFile(m_handle, buffer + ptr, length - ptr, &bytes, NULL);
if (!ret) {
LogError(LOG_MODEM, "Error from WriteFile for %s: %04lx", m_device.c_str(), ::GetLastError());
return -1;
}
ptr += bytes;
}
return int(length);
}
/// <summary>
/// Closes the connection to the serial port.
/// </summary>
void CSerialController::close()
{
assert(m_handle != INVALID_HANDLE_VALUE);
::CloseHandle(m_handle);
m_handle = INVALID_HANDLE_VALUE;
}
#else
/// <summary>
/// Initializes a new instance of the CSerialController class.
/// </summary>
/// <param name="device">Serial port device.</param>
/// <param name="speed">Serial port speed.</param>
/// <param name="assertRTS"></param>
CSerialController::CSerialController() :
m_fd(-1)
{
/* stub */
}
/// <summary>
/// Initializes a new instance of the CSerialController class.
/// </summary>
/// <param name="device">Serial port device.</param>
/// <param name="speed">Serial port speed.</param>
/// <param name="assertRTS"></param>
CSerialController::CSerialController(const std::string& device, SERIAL_SPEED speed, bool assertRTS) :
m_device(device),
m_speed(speed),
m_assertRTS(assertRTS),
m_fd(-1)
{
assert(!device.empty());
}
/// <summary>
/// Finalizes a instance of the CSerialController class.
/// </summary>
CSerialController::~CSerialController()
{
/* stub */
}
/// <summary>
/// Opens a connection to the serial port.
/// </summary>
/// <returns>True, if connection is opened, otherwise false.</returns>
bool CSerialController::open()
{
assert(!m_device.empty());
assert(m_fd == -1);
m_fd = ::open(m_device.c_str(), O_RDWR | O_NOCTTY | O_NDELAY, 0);
if (m_fd < 0) {
LogError(LOG_MODEM, "Cannot open device - %s", m_device.c_str());
return false;
}
if (::isatty(m_fd) == 0) {
LogError(LOG_MODEM, "%s is not a TTY device", m_device.c_str());
::close(m_fd);
return false;
}
termios termios;
if (::tcgetattr(m_fd, &termios) < 0) {
LogError(LOG_MODEM, "Cannot get the attributes for %s", m_device.c_str());
::close(m_fd);
return false;
}
termios.c_lflag &= ~(ECHO | ECHOE | ICANON | IEXTEN | ISIG);
termios.c_iflag &= ~(BRKINT | ICRNL | INPCK | ISTRIP | IXON | IXOFF | IXANY);
termios.c_cflag &= ~(CSIZE | CSTOPB | PARENB | CRTSCTS);
termios.c_cflag |= CS8;
termios.c_oflag &= ~(OPOST);
termios.c_cc[VMIN] = 0;
termios.c_cc[VTIME] = 10;
switch (m_speed) {
case SERIAL_1200:
::cfsetospeed(&termios, B1200);
::cfsetispeed(&termios, B1200);
break;
case SERIAL_2400:
::cfsetospeed(&termios, B2400);
::cfsetispeed(&termios, B2400);
break;
case SERIAL_4800:
::cfsetospeed(&termios, B4800);
::cfsetispeed(&termios, B4800);
break;
case SERIAL_9600:
::cfsetospeed(&termios, B9600);
::cfsetispeed(&termios, B9600);
break;
case SERIAL_19200:
::cfsetospeed(&termios, B19200);
::cfsetispeed(&termios, B19200);
break;
case SERIAL_38400:
::cfsetospeed(&termios, B38400);
::cfsetispeed(&termios, B38400);
break;
case SERIAL_115200:
::cfsetospeed(&termios, B115200);
::cfsetispeed(&termios, B115200);
break;
case SERIAL_230400:
::cfsetospeed(&termios, B230400);
::cfsetispeed(&termios, B230400);
break;
default:
LogError(LOG_MODEM, "Unsupported serial port speed - %d", int(m_speed));
::close(m_fd);
return false;
}
if (::tcsetattr(m_fd, TCSANOW, &termios) < 0) {
LogError(LOG_MODEM, "Cannot set the attributes for %s", m_device.c_str());
::close(m_fd);
return false;
}
if (m_assertRTS) {
uint32_t y;
if (::ioctl(m_fd, TIOCMGET, &y) < 0) {
LogError(LOG_MODEM, "Cannot get the control attributes for %s", m_device.c_str());
::close(m_fd);
return false;
}
y |= TIOCM_RTS;
if (::ioctl(m_fd, TIOCMSET, &y) < 0) {
LogError(LOG_MODEM, "Cannot set the control attributes for %s", m_device.c_str());
::close(m_fd);
return false;
}
}
return true;
}
/// <summary>
/// Reads data from the serial port.
/// </summary>
/// <param name="buffer">Buffer to read data from the serial port to.</param>
/// <param name="length">Length of data to read from the serial port.</param>
/// <returns>Actual length of data read from serial port.</returns>
int CSerialController::read(uint8_t* buffer, uint32_t length)
{
assert(buffer != NULL);
assert(m_fd != -1);
if (length == 0U)
return 0;
uint32_t offset = 0U;
while (offset < length) {
fd_set fds;
FD_ZERO(&fds);
FD_SET(m_fd, &fds);
int n;
if (offset == 0U) {
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 0;
n = ::select(m_fd + 1, &fds, NULL, NULL, &tv);
if (n == 0)
return 0;
}
else {
n = ::select(m_fd + 1, &fds, NULL, NULL, NULL);
}
if (n < 0) {
LogError(LOG_MODEM, "Error from select(), errno=%d", errno);
return -1;
}
if (n > 0) {
ssize_t len = ::read(m_fd, buffer + offset, length - offset);
if (len < 0) {
if (errno != EAGAIN) {
LogError(LOG_MODEM, "Error from read(), errno=%d", errno);
return -1;
}
}
if (len > 0)
offset += len;
}
}
return length;
}
/// <summary>
/// Writes data to the serial port.
/// </summary>
/// <param name="buffer">Buffer containing data to write to serial port.</param>
/// <param name="length">Length of data to write to serial port.</param>
/// <returns>Actual length of data written to the serial port.</returns>
int CSerialController::write(const uint8_t* buffer, uint32_t length)
{
assert(buffer != NULL);
assert(m_fd != -1);
if (length == 0U)
return 0;
uint32_t ptr = 0U;
while (ptr < length) {
ssize_t n = ::write(m_fd, buffer + ptr, length - ptr);
if (n < 0) {
if (errno != EAGAIN) {
LogError(LOG_MODEM, "Error returned from write(), errno=%d", errno);
return -1;
}
}
if (n > 0)
ptr += n;
}
return length;
}
/// <summary>
/// Closes the connection to the serial port.
/// </summary>
void CSerialController::close()
{
assert(m_fd != -1);
::close(m_fd);
m_fd = -1;
}
#endif
// ---------------------------------------------------------------------------
// Private Class Members
// ---------------------------------------------------------------------------
#if defined(_WIN32) || defined(_WIN64)
/// <summary>
///
/// </summary>
/// <param name="buffer"></param>
/// <param name="length"></param>
/// <returns></returns>
int CSerialController::readNonblock(uint8_t* buffer, uint32_t length)
{
assert(m_handle != INVALID_HANDLE_VALUE);
assert(buffer != NULL);
if (length == 0U)
return 0;
DWORD errors;
COMSTAT status;
if (::ClearCommError(m_handle, &errors, &status) == 0) {
LogError(LOG_MODEM, "Error from ClearCommError for %s, err=%04lx", m_device.c_str(), ::GetLastError());
return -1;
}
if (status.cbInQue == 0UL)
return 0;
DWORD readLength = status.cbInQue;
if (length < readLength)
readLength = length;
DWORD bytes = 0UL;
BOOL ret = ::ReadFile(m_handle, buffer, readLength, &bytes, NULL);
if (!ret) {
LogError(LOG_MODEM, "Error from ReadFile for %s: %04lx", m_device.c_str(), ::GetLastError());
return -1;
}
return int(bytes);
}
#endif

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modem/SerialController.h
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/**
* Digital Voice Modem - Host Software
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Host Software
*
*/
//
// Based on code from the MMDVMHost project. (https://github.com/g4klx/MMDVMHost)
// Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0)
//
/*
* Copyright (C) 2002-2004,2007-2009,2011-2013,2015-2017 by Jonathan Naylor G4KLX
* Copyright (C) 1999-2001 by Thomas Sailor HB9JNX
* Copyright (C) 2020 by Bryan Biedenkapp N2PLL
*
* 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(__SERIAL_CONTROLLER_H__)
#define __SERIAL_CONTROLLER_H__
#include "Defines.h"
#include <string>
#if defined(_WIN32) || defined(_WIN64)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#endif
namespace modem
{
// ---------------------------------------------------------------------------
// Constants
// ---------------------------------------------------------------------------
enum SERIAL_SPEED {
SERIAL_1200 = 1200,
SERIAL_2400 = 2400,
SERIAL_4800 = 4800,
SERIAL_9600 = 9600,
SERIAL_19200 = 19200,
SERIAL_38400 = 38400,
SERIAL_76800 = 76800,
SERIAL_115200 = 115200,
SERIAL_230400 = 230400
};
// ---------------------------------------------------------------------------
// Class Declaration
// This class implements low-level routines to communicate over a RS232
// serial port.
// ---------------------------------------------------------------------------
class HOST_SW_API CSerialController {
public:
/// <summary>Initializes a new instance of the CSerialController class.</summary>
CSerialController();
/// <summary>Initializes a new instance of the CSerialController class.</summary>
CSerialController(const std::string& device, SERIAL_SPEED speed, bool assertRTS = false);
/// <summary>Finalizes a instance of the CSerialController class.</summary>
virtual ~CSerialController();
/// <summary>Opens a connection to the serial port.</summary>
virtual bool open();
/// <summary>Reads data from the serial port.</summary>
virtual int read(uint8_t* buffer, uint32_t length);
/// <summary>Writes data to the serial port.</summary>
virtual int write(const uint8_t* buffer, uint32_t length);
/// <summary>Closes the connection to the serial port.</summary>
virtual void close();
private:
std::string m_device;
SERIAL_SPEED m_speed;
bool m_assertRTS;
#if defined(_WIN32) || defined(_WIN64)
HANDLE m_handle;
#else
int m_fd;
#endif
#if defined(_WIN32) || defined(_WIN64)
/// <summary></summary>
int readNonblock(uint8_t * buffer, uint32_t length);
#endif
};
} // namespace Modem
#endif // __SERIAL_CONTROLLER_H__
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