1 /* 2 * Copyright (c) 1986, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)acucommon.c 8.1 (Berkeley) 6/6/93 34 * $FreeBSD: src/usr.bin/tip/libacu/acucommon.c,v 1.3 1999/08/28 01:06:30 peter Exp $ 35 */ 36 37 /* 38 * Routines for calling up on a Courier modem. 39 * Derived from Hayes driver. 40 */ 41 #include "acucommon.h" 42 #include "tip.h" 43 44 #include <err.h> 45 #include <unistd.h> 46 47 #include <sys/types.h> 48 #include <sys/times.h> 49 50 void 51 acu_nap(unsigned int how_long) 52 { 53 struct timeval t; 54 t.tv_usec = (how_long % 1000) * 1000; 55 t.tv_sec = how_long / 1000; 56 (void) select (0, NULL, NULL, NULL, &t); 57 } 58 59 void 60 acu_hw_flow_control(int hw_flow_control) 61 { 62 struct termios t; 63 if (tcgetattr (FD, &t) == 0) { 64 if (hw_flow_control) 65 t.c_cflag |= CRTSCTS; 66 else 67 t.c_cflag &= ~CRTSCTS; 68 tcsetattr (FD, TCSANOW, &t); 69 } 70 } 71 72 int 73 acu_flush(void) 74 { 75 int flags = 0; 76 return (ioctl (FD, TIOCFLUSH, &flags) == 0); /* flush any clutter */ 77 } 78 79 int 80 acu_getspeed(void) 81 { 82 struct termios term; 83 tcgetattr (FD, &term); 84 return (term.c_ospeed); 85 } 86 87 int 88 acu_setspeed(int speed) 89 { 90 int rc = 0; 91 struct termios term; 92 if (tcgetattr (FD, &term) == 0) { 93 cfsetspeed (&term, speed); 94 if (tcsetattr (FD, TCSANOW, &term) == 0) 95 ++rc; 96 } 97 return (rc); 98 } 99 100 void 101 acu_hupcl(void) 102 { 103 struct termios term; 104 tcgetattr (FD, &term); 105 term.c_cflag |= HUPCL; 106 tcsetattr (FD, TCSANOW, &term); 107 } 108 109 /* end of acucommon.c */ 110