Commit | Line | Data |
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abbca718 | 1 | /* |
f7febb0e LOK |
2 | * This file is part of the libCEC(R) library. |
3 | * | |
9b53a148 | 4 | * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved. |
f7febb0e LOK |
5 | * libCEC(R) is an original work, containing original code. |
6 | * | |
7 | * libCEC(R) is a trademark of Pulse-Eight Limited. | |
8 | * | |
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 | |
abbca718 | 12 | * (at your option) any later version. |
f7febb0e LOK |
13 | * |
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. | |
18 | * | |
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. | |
22 | * | |
23 | * | |
24 | * Alternatively, you can license this library under a commercial license, | |
25 | * please contact Pulse-Eight Licensing for more information. | |
26 | * | |
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/ | |
abbca718 LOK |
31 | */ |
32 | ||
ba65909d | 33 | #include "../os.h" |
abbca718 | 34 | #include <stdio.h> |
abbca718 | 35 | #include <fcntl.h> |
ba65909d LOK |
36 | #include "../sockets/serialport.h" |
37 | #include "../util/baudrate.h" | |
99666519 | 38 | #include "../posix/os-socket.h" |
abbca718 | 39 | |
5458fd77 | 40 | #if defined(__APPLE__) || defined(__FreeBSD__) |
6df2c52f | 41 | #ifndef XCASE |
42 | #define XCASE 0 | |
43 | #endif | |
44 | #ifndef OLCUC | |
45 | #define OLCUC 0 | |
46 | #endif | |
47 | #ifndef IUCLC | |
48 | #define IUCLC 0 | |
49 | #endif | |
50 | #endif | |
abbca718 | 51 | using namespace std; |
f00ff009 | 52 | using namespace PLATFORM; |
abbca718 | 53 | |
99666519 | 54 | void CSerialSocket::Close(void) |
abbca718 | 55 | { |
99666519 LOK |
56 | SocketClose(m_socket); |
57 | } | |
58 | ||
59 | void CSerialSocket::Shutdown(void) | |
60 | { | |
61 | SocketClose(m_socket); | |
62 | } | |
63 | ||
64 | ssize_t CSerialSocket::Write(void* data, size_t len) | |
65 | { | |
66 | return SocketWrite(m_socket, &m_iError, data, len); | |
67 | } | |
68 | ||
69 | ssize_t CSerialSocket::Read(void* data, size_t len, uint64_t iTimeoutMs /* = 0 */) | |
70 | { | |
71 | return SocketRead(m_socket, &m_iError, data, len, iTimeoutMs); | |
abbca718 LOK |
72 | } |
73 | ||
abbca718 | 74 | //setting all this stuff up is a pain in the ass |
99666519 | 75 | bool CSerialSocket::Open(uint64_t iTimeoutMs /* = 0 */) |
abbca718 | 76 | { |
99666519 | 77 | iTimeoutMs = 0; |
f00ff009 | 78 | CLockObject lock(m_mutex); |
b1f50952 | 79 | |
99666519 LOK |
80 | if (m_iDatabits != SERIAL_DATA_BITS_FIVE && m_iDatabits != SERIAL_DATA_BITS_SIX && |
81 | m_iDatabits != SERIAL_DATA_BITS_SEVEN && m_iDatabits != SERIAL_DATA_BITS_EIGHT) | |
abbca718 | 82 | { |
ba65909d | 83 | m_strError = "Databits has to be between 5 and 8"; |
abbca718 LOK |
84 | return false; |
85 | } | |
86 | ||
99666519 | 87 | if (m_iStopbits != SERIAL_STOP_BITS_ONE && m_iStopbits != SERIAL_STOP_BITS_TWO) |
abbca718 | 88 | { |
ba65909d | 89 | m_strError = "Stopbits has to be 1 or 2"; |
abbca718 LOK |
90 | return false; |
91 | } | |
92 | ||
99666519 | 93 | if (m_iParity != SERIAL_PARITY_NONE && m_iParity != SERIAL_PARITY_EVEN && m_iParity != SERIAL_PARITY_ODD) |
abbca718 | 94 | { |
ba65909d | 95 | m_strError = "Parity has to be none, even or odd"; |
abbca718 LOK |
96 | return false; |
97 | } | |
98 | ||
99666519 | 99 | m_socket = open(m_strName.c_str(), O_RDWR | O_NOCTTY | O_NDELAY); |
abbca718 | 100 | |
99666519 | 101 | if (m_socket == INVALID_SERIAL_SOCKET_VALUE) |
abbca718 | 102 | { |
ba65909d | 103 | m_strError = strerror(errno); |
abbca718 LOK |
104 | return false; |
105 | } | |
106 | ||
ba65909d | 107 | SocketSetBlocking(m_socket, false); |
abbca718 | 108 | |
99666519 | 109 | if (!SetBaudRate(m_iBaudrate)) |
abbca718 | 110 | return false; |
abbca718 LOK |
111 | |
112 | m_options.c_cflag |= (CLOCAL | CREAD); | |
113 | m_options.c_cflag &= ~HUPCL; | |
114 | ||
115 | m_options.c_cflag &= ~CSIZE; | |
99666519 LOK |
116 | if (m_iDatabits == SERIAL_DATA_BITS_FIVE) m_options.c_cflag |= CS5; |
117 | if (m_iDatabits == SERIAL_DATA_BITS_SIX) m_options.c_cflag |= CS6; | |
118 | if (m_iDatabits == SERIAL_DATA_BITS_SEVEN) m_options.c_cflag |= CS7; | |
119 | if (m_iDatabits == SERIAL_DATA_BITS_EIGHT) m_options.c_cflag |= CS8; | |
abbca718 LOK |
120 | |
121 | m_options.c_cflag &= ~PARENB; | |
99666519 | 122 | if (m_iParity == SERIAL_PARITY_EVEN || m_iParity == SERIAL_PARITY_ODD) |
abbca718 | 123 | m_options.c_cflag |= PARENB; |
99666519 | 124 | if (m_iParity == SERIAL_PARITY_ODD) |
abbca718 LOK |
125 | m_options.c_cflag |= PARODD; |
126 | ||
127 | #ifdef CRTSCTS | |
128 | m_options.c_cflag &= ~CRTSCTS; | |
129 | #elif defined(CNEW_RTSCTS) | |
130 | m_options.c_cflag &= ~CNEW_RTSCTS; | |
131 | #endif | |
132 | ||
99666519 | 133 | if (m_iStopbits == SERIAL_STOP_BITS_ONE) m_options.c_cflag &= ~CSTOPB; |
abbca718 LOK |
134 | else m_options.c_cflag |= CSTOPB; |
135 | ||
136 | //I guessed a little here | |
137 | m_options.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG | XCASE | ECHOK | ECHONL | ECHOCTL | ECHOPRT | ECHOKE | TOSTOP); | |
138 | ||
99666519 | 139 | if (m_iParity == SERIAL_PARITY_NONE) |
abbca718 | 140 | m_options.c_iflag &= ~INPCK; |
abbca718 | 141 | else |
abbca718 | 142 | m_options.c_iflag |= INPCK | ISTRIP; |
abbca718 LOK |
143 | |
144 | m_options.c_iflag &= ~(IXON | IXOFF | IXANY | BRKINT | INLCR | IGNCR | ICRNL | IUCLC | IMAXBEL); | |
145 | m_options.c_oflag &= ~(OPOST | ONLCR | OCRNL); | |
146 | ||
ba65909d | 147 | if (tcsetattr(m_socket, TCSANOW, &m_options) != 0) |
abbca718 | 148 | { |
ba65909d | 149 | m_strError = strerror(errno); |
abbca718 LOK |
150 | return false; |
151 | } | |
152 | ||
ba65909d | 153 | SocketSetBlocking(m_socket, true); |
99666519 | 154 | m_bIsOpen = true; |
abbca718 LOK |
155 | |
156 | return true; | |
157 | } | |
158 | ||
99666519 | 159 | bool CSerialSocket::SetBaudRate(uint32_t baudrate) |
abbca718 | 160 | { |
b9187cc6 | 161 | int rate = IntToBaudrate(baudrate); |
abbca718 LOK |
162 | if (rate == -1) |
163 | { | |
164 | char buff[255]; | |
165 | sprintf(buff, "%i is not a valid baudrate", baudrate); | |
ba65909d | 166 | m_strError = buff; |
abbca718 LOK |
167 | return false; |
168 | } | |
99666519 | 169 | |
abbca718 | 170 | //get the current port attributes |
ba65909d | 171 | if (tcgetattr(m_socket, &m_options) != 0) |
abbca718 | 172 | { |
ba65909d | 173 | m_strError = strerror(errno); |
abbca718 LOK |
174 | return false; |
175 | } | |
176 | ||
177 | if (cfsetispeed(&m_options, rate) != 0) | |
178 | { | |
ba65909d | 179 | m_strError = strerror(errno); |
abbca718 LOK |
180 | return false; |
181 | } | |
99666519 | 182 | |
abbca718 LOK |
183 | if (cfsetospeed(&m_options, rate) != 0) |
184 | { | |
ba65909d | 185 | m_strError = strerror(errno); |
abbca718 LOK |
186 | return false; |
187 | } | |
188 | ||
189 | return true; | |
190 | } |