functions.c
上传用户:tianjinjs
上传日期:2007-01-05
资源大小:309k
文件大小:1k
- /*
- * functions.c This file contains the functions that talk to the modem
- * and the serial port. It seperates the user interface
- * from the low-level functions. The script language also
- * uses these functions.
- *
- * This file is part of the minicom communications package,
- * Copyright 1991-1995 Miquel van Smoorenburg.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * // jl 23.06.97 adjustable DTR drop time
- */
- #include "port.h"
- #include "minicom.h"
- /*
- * Send a string to the modem.
- */
- void m_puts(s)
- char *s;
- {
- char c;
- while(*s) {
- if (*s == '^' && (*(s + 1))) {
- s++;
- if (*s == '^')
- c = *s;
- else
- c = (*s) & 31;
- } else
- c = *s;
- if (c == '~')
- sleep(1);
- else
- write(portfd, &c, 1);
- s++;
- }
- }
- /* Hangup. */
- void m_hangup()
- {
- int sec=1;
- if (isdigit(P_MDROPDTR[0]))
- sscanf(P_MDROPDTR,"%2d",&sec);
- if (P_MDROPDTR[0] == 'Y' || (isdigit(P_MDROPDTR[0]) && sec > 0)) {
- m_dtrtoggle(portfd, sec); /* jl 22.06.97 */
- } else {
- m_puts(P_MHANGUP);
- sleep(1);
- }
- /* If we don't have DCD support fake DCD dropped */
- bogus_dcd = 0;
- }