/*
* This file is part of the libCEC(R) library.
*
- * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
+ * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
* libCEC(R) is an original work, containing original code.
*
* libCEC(R) is a trademark of Pulse-Eight Limited.
* http://www.pulse-eight.net/
*/
-#include "../os.h"
+#include "env.h"
#include <stdio.h>
#include <fcntl.h>
-#include "../sockets/serialport.h"
-#include "../util/baudrate.h"
+#include "lib/platform/sockets/serialport.h"
+#include "lib/platform/util/baudrate.h"
+#include "lib/platform/posix/os-socket.h"
-#if defined(__APPLE__)
+#if defined(__APPLE__) || defined(__FreeBSD__)
#ifndef XCASE
#define XCASE 0
#endif
#ifndef IUCLC
#define IUCLC 0
#endif
+#else
+#include <lockdev.h>
#endif
+
using namespace std;
using namespace PLATFORM;
-CSerialPort::CSerialPort()
+inline bool RemoveLock(const char *strDeviceName)
{
- m_bToStdOut = false;
+ #if !defined(__APPLE__) && !defined(__FreeBSD__)
+ return dev_unlock(strDeviceName, 0) == 0;
+ #else
+ void *tmp = (void*)strDeviceName; // silence unused warning
+ return true;
+ #endif
+}
+
+void CSerialSocket::Close(void)
+{
+ if (IsOpen())
+ {
+ SocketClose(m_socket);
+ RemoveLock(m_strName.c_str());
+ }
+}
+
+void CSerialSocket::Shutdown(void)
+{
+ if (IsOpen())
+ {
+ SocketClose(m_socket);
+ RemoveLock(m_strName.c_str());
+ }
+}
+
+ssize_t CSerialSocket::Write(void* data, size_t len)
+{
+ return IsOpen() ? SocketWrite(m_socket, &m_iError, data, len) : -1;
+}
+
+ssize_t CSerialSocket::Read(void* data, size_t len, uint64_t iTimeoutMs /* = 0 */)
+{
+ return IsOpen() ? SocketRead(m_socket, &m_iError, data, len, iTimeoutMs) : -1;
}
//setting all this stuff up is a pain in the ass
-bool CSerialPort::Open(string name, uint32_t baudrate, uint8_t databits /* = 8 */, uint8_t stopbits /* = 1 */, uint8_t parity /* = PAR_NONE */)
+bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */)
{
- m_strName = name;
- CLockObject lock(m_mutex);
+ iTimeoutMs = 0;
+ if (IsOpen())
+ {
+ m_iError = EINVAL;
+ return false;
+ }
- if (databits < 5 || databits > 8)
+ if (m_iDatabits != SERIAL_DATA_BITS_FIVE && m_iDatabits != SERIAL_DATA_BITS_SIX &&
+ m_iDatabits != SERIAL_DATA_BITS_SEVEN && m_iDatabits != SERIAL_DATA_BITS_EIGHT)
{
m_strError = "Databits has to be between 5 and 8";
+ m_iError = EINVAL;
return false;
}
- if (stopbits != 1 && stopbits != 2)
+ if (m_iStopbits != SERIAL_STOP_BITS_ONE && m_iStopbits != SERIAL_STOP_BITS_TWO)
{
m_strError = "Stopbits has to be 1 or 2";
+ m_iError = EINVAL;
return false;
}
- if (parity != PAR_NONE && parity != PAR_EVEN && parity != PAR_ODD)
+ if (m_iParity != SERIAL_PARITY_NONE && m_iParity != SERIAL_PARITY_EVEN && m_iParity != SERIAL_PARITY_ODD)
{
m_strError = "Parity has to be none, even or odd";
+ m_iError = EINVAL;
+ return false;
+ }
+
+ #if !defined(__APPLE__) && !defined(__FreeBSD__)
+ if (dev_lock(m_strName.c_str()) != 0)
+ {
+ m_strError = "Couldn't lock the serial port";
+ m_iError = EBUSY;
return false;
}
+ #endif
- m_socket = open(name.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
+ m_socket = open(m_strName.c_str(), O_RDWR | O_NOCTTY | O_NDELAY);
- if (m_socket == INVALID_SOCKET)
+ if (m_socket == INVALID_SERIAL_SOCKET_VALUE)
{
m_strError = strerror(errno);
+ RemoveLock(m_strName.c_str());
return false;
}
SocketSetBlocking(m_socket, false);
- if (!SetBaudRate(baudrate))
+ if (!SetBaudRate(m_iBaudrate))
return false;
m_options.c_cflag |= (CLOCAL | CREAD);
m_options.c_cflag &= ~HUPCL;
m_options.c_cflag &= ~CSIZE;
- if (databits == 5) m_options.c_cflag |= CS5;
- if (databits == 6) m_options.c_cflag |= CS6;
- if (databits == 7) m_options.c_cflag |= CS7;
- if (databits == 8) m_options.c_cflag |= CS8;
+ if (m_iDatabits == SERIAL_DATA_BITS_FIVE) m_options.c_cflag |= CS5;
+ if (m_iDatabits == SERIAL_DATA_BITS_SIX) m_options.c_cflag |= CS6;
+ if (m_iDatabits == SERIAL_DATA_BITS_SEVEN) m_options.c_cflag |= CS7;
+ if (m_iDatabits == SERIAL_DATA_BITS_EIGHT) m_options.c_cflag |= CS8;
m_options.c_cflag &= ~PARENB;
- if (parity == PAR_EVEN || parity == PAR_ODD)
+ if (m_iParity == SERIAL_PARITY_EVEN || m_iParity == SERIAL_PARITY_ODD)
m_options.c_cflag |= PARENB;
- if (parity == PAR_ODD)
+ if (m_iParity == SERIAL_PARITY_ODD)
m_options.c_cflag |= PARODD;
#ifdef CRTSCTS
m_options.c_cflag &= ~CNEW_RTSCTS;
#endif
- if (stopbits == 1) m_options.c_cflag &= ~CSTOPB;
+ if (m_iStopbits == SERIAL_STOP_BITS_ONE) m_options.c_cflag &= ~CSTOPB;
else m_options.c_cflag |= CSTOPB;
//I guessed a little here
m_options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG | XCASE | ECHOK | ECHONL | ECHOCTL | ECHOPRT | ECHOKE | TOSTOP);
- if (parity == PAR_NONE)
- {
+ if (m_iParity == SERIAL_PARITY_NONE)
m_options.c_iflag &= ~INPCK;
- }
else
- {
m_options.c_iflag |= INPCK | ISTRIP;
- }
m_options.c_iflag &= ~(IXON | IXOFF | IXANY | BRKINT | INLCR | IGNCR | ICRNL | IUCLC | IMAXBEL);
m_options.c_oflag &= ~(OPOST | ONLCR | OCRNL);
if (tcsetattr(m_socket, TCSANOW, &m_options) != 0)
{
m_strError = strerror(errno);
+ RemoveLock(m_strName.c_str());
return false;
}
SocketSetBlocking(m_socket, true);
+ m_bIsOpen = true;
return true;
}
-bool CSerialPort::SetBaudRate(uint32_t baudrate)
+bool CSerialSocket::SetBaudRate(uint32_t baudrate)
{
int rate = IntToBaudrate(baudrate);
if (rate == -1)
m_strError = buff;
return false;
}
-
+
//get the current port attributes
if (tcgetattr(m_socket, &m_options) != 0)
{
m_strError = strerror(errno);
return false;
}
-
+
if (cfsetospeed(&m_options, rate) != 0)
{
m_strError = strerror(errno);