2 * This file is part of the libCEC(R) library.
4 * libCEC(R) is Copyright (C) 2011 Pulse-Eight Limited. All rights reserved.
5 * libCEC(R) is an original work, containing original code.
7 * libCEC(R) is a trademark of Pulse-Eight Limited.
9 * This program is dual-licensed; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 * Alternatively, you can license this library under a commercial license,
25 * please contact Pulse-Eight Licensing for more information.
27 * For more information contact:
28 * Pulse-Eight Licensing <license@pulse-eight.com>
29 * http://www.pulse-eight.com/
30 * http://www.pulse-eight.net/
36 #include "../sockets/serialport.h"
37 #include "../util/baudrate.h"
39 #if defined(__APPLE__)
51 using namespace PLATFORM
;
53 CSerialPort::CSerialPort()
58 //setting all this stuff up is a pain in the ass
59 bool CSerialPort::Open(string name
, uint32_t baudrate
, uint8_t databits
/* = 8 */, uint8_t stopbits
/* = 1 */, uint8_t parity
/* = PAR_NONE */)
62 CLockObject
lock(m_mutex
);
64 if (databits
< 5 || databits
> 8)
66 m_strError
= "Databits has to be between 5 and 8";
70 if (stopbits
!= 1 && stopbits
!= 2)
72 m_strError
= "Stopbits has to be 1 or 2";
76 if (parity
!= PAR_NONE
&& parity
!= PAR_EVEN
&& parity
!= PAR_ODD
)
78 m_strError
= "Parity has to be none, even or odd";
82 m_socket
= open(name
.c_str(), O_RDWR
| O_NOCTTY
| O_NDELAY
);
84 if (m_socket
== INVALID_SOCKET
)
86 m_strError
= strerror(errno
);
90 SocketSetBlocking(m_socket
, false);
92 if (!SetBaudRate(baudrate
))
95 m_options
.c_cflag
|= (CLOCAL
| CREAD
);
96 m_options
.c_cflag
&= ~HUPCL
;
98 m_options
.c_cflag
&= ~CSIZE
;
99 if (databits
== 5) m_options
.c_cflag
|= CS5
;
100 if (databits
== 6) m_options
.c_cflag
|= CS6
;
101 if (databits
== 7) m_options
.c_cflag
|= CS7
;
102 if (databits
== 8) m_options
.c_cflag
|= CS8
;
104 m_options
.c_cflag
&= ~PARENB
;
105 if (parity
== PAR_EVEN
|| parity
== PAR_ODD
)
106 m_options
.c_cflag
|= PARENB
;
107 if (parity
== PAR_ODD
)
108 m_options
.c_cflag
|= PARODD
;
111 m_options
.c_cflag
&= ~CRTSCTS
;
112 #elif defined(CNEW_RTSCTS)
113 m_options
.c_cflag
&= ~CNEW_RTSCTS
;
116 if (stopbits
== 1) m_options
.c_cflag
&= ~CSTOPB
;
117 else m_options
.c_cflag
|= CSTOPB
;
119 //I guessed a little here
120 m_options
.c_lflag
&= ~(ICANON
| ECHO
| ECHOE
| ISIG
| XCASE
| ECHOK
| ECHONL
| ECHOCTL
| ECHOPRT
| ECHOKE
| TOSTOP
);
122 if (parity
== PAR_NONE
)
124 m_options
.c_iflag
&= ~INPCK
;
128 m_options
.c_iflag
|= INPCK
| ISTRIP
;
131 m_options
.c_iflag
&= ~(IXON
| IXOFF
| IXANY
| BRKINT
| INLCR
| IGNCR
| ICRNL
| IUCLC
| IMAXBEL
);
132 m_options
.c_oflag
&= ~(OPOST
| ONLCR
| OCRNL
);
134 if (tcsetattr(m_socket
, TCSANOW
, &m_options
) != 0)
136 m_strError
= strerror(errno
);
140 SocketSetBlocking(m_socket
, true);
145 bool CSerialPort::SetBaudRate(uint32_t baudrate
)
147 int rate
= IntToBaudrate(baudrate
);
151 sprintf(buff
, "%i is not a valid baudrate", baudrate
);
156 //get the current port attributes
157 if (tcgetattr(m_socket
, &m_options
) != 0)
159 m_strError
= strerror(errno
);
163 if (cfsetispeed(&m_options
, rate
) != 0)
165 m_strError
= strerror(errno
);
169 if (cfsetospeed(&m_options
, rate
) != 0)
171 m_strError
= strerror(errno
);