Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/freeglut/src/x11/fg_input_devices_x11.c @ 17:dd9cdb856310

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Remove PKG-INFO from the because it is regenerated automatically for the sdist
author Franz Glasner <fzglas.hg@dom66.de>
date Thu, 18 Sep 2025 17:40:40 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * fg_input_devices_x11.c
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3 *
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4 * Handles miscellaneous input devices via direct serial-port access.
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5 * Proper X11 XInput device support is not yet supported.
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6 * Also lacks Mac support.
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7 *
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8 * Written by Joe Krahn <krahn@niehs.nih.gov> 2005
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9 *
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10 * Copyright (c) 2005 Stephen J. Baker. All Rights Reserved.
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11 * Copied for Platform code by Evan Felix <karcaw at gmail.com>
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12 * Creation date: Thur Feb 2 2012
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13 *
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14 * Permission is hereby granted, free of charge, to any person obtaining a
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15 * copy of this software and associated documentation files (the "Software"),
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16 * to deal in the Software without restriction, including without limitation
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17 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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18 * and/or sell copies of the Software, and to permit persons to whom the
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19 * Software is furnished to do so, subject to the following conditions:
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20 *
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21 * The above copyright notice and this permission notice shall be included
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22 * in all copies or substantial portions of the Software.
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23 *
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24 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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25 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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26 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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27 * PAWEL W. OLSZTA OR STEPHEN J. BAKER BE LIABLE FOR ANY CLAIM, DAMAGES OR
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28 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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29 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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30 * DEALINGS IN THE SOFTWARE.
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31 */
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33 #include <GL/freeglut.h>
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34 #include "../fg_internal.h"
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36 #include <errno.h>
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37 #include <sys/ioctl.h>
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38 #include <stdio.h>
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39 #include <stdlib.h>
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40 #include <string.h>
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41 #include <termios.h>
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42 #include <fcntl.h>
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44 struct _serialport {
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45 int fd;
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46 struct termios termio, termio_save;
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47 };
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49 typedef struct _serialport SERIALPORT;
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51 void serial_flush ( SERIALPORT *port );
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53 /*****************************************************************/
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54
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55 /*
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56 * Try initializing the input device(s)
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57 */
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58 void fgPlatformRegisterDialDevice ( const char *dial_device )
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59 {
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60 }
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62 SERIALPORT *serial_open ( const char *device )
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63 {
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64 int fd;
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65 struct termios termio;
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66 SERIALPORT *port;
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68 fd = open(device, O_RDWR | O_NONBLOCK );
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69 if (fd <0) {
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70 perror(device);
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71 return NULL;
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72 }
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74 port = malloc(sizeof(SERIALPORT));
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75 memset(port, 0, sizeof(SERIALPORT));
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76 port->fd = fd;
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78 /* save current port settings */
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79 tcgetattr(fd,&port->termio_save);
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81 memset(&termio, 0, sizeof(termio));
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82 termio.c_cflag = CS8 | CREAD | HUPCL ;
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83 termio.c_iflag = IGNPAR | IGNBRK ;
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84 termio.c_cc[VTIME] = 0; /* inter-character timer */
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85 termio.c_cc[VMIN] = 1; /* block read until 1 chars received, when blocking I/O */
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86
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87 cfsetispeed(&termio, B9600);
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88 cfsetospeed(&termio, B9600);
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89 tcsetattr(fd,TCSANOW,&termio);
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91 serial_flush(port);
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92 return port;
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93 }
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95 void serial_close(SERIALPORT *port)
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96 {
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97 if (port)
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98 {
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99 /* restore old port settings */
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100 tcsetattr(port->fd,TCSANOW,&port->termio_save);
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101 close(port->fd);
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102 free(port);
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103 }
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104 }
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105
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106 int serial_getchar(SERIALPORT *port)
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107 {
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108 unsigned char ch;
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109 if (!port) return EOF;
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110 if (read(port->fd,&ch,1)) return ch;
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111 return EOF;
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112 }
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113
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114 int serial_putchar(SERIALPORT *port, unsigned char ch)
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115 {
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116 if (!port) return 0;
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117 return write(port->fd,&ch,1);
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118 }
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119
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120 void serial_flush ( SERIALPORT *port )
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121 {
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122 tcflush ( port->fd, TCIOFLUSH );
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123 }