+++ /dev/null
-/*
-
- $Id$
-
- G N O K I I
-
- A Linux/Unix toolset and driver for Nokia mobile phones.
-
- Released under the terms of the GNU GPL, see file COPYING for more details.
-
-*/
-
-#include "misc.h"
-
-/* Do not compile this file under Win32 systems. */
-
-#ifndef WIN32
-
-#include <stdio.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-#include <string.h>
-
-#if __unices__
-# include <sys/file.h>
-#endif
-
-#include <termios.h>
-#include "devices/unixserial.h"
-
-#ifdef HAVE_SYS_IOCTL_COMPAT_H
- #include <sys/ioctl_compat.h>
-#endif
-
-#ifdef HAVE_SYS_SELECT_H
-#include <sys/select.h>
-#endif
-
-/* If the target operating system does not have cfsetspeed, we can emulate
- it. */
-
-#ifndef HAVE_CFSETSPEED
- #if defined(HAVE_CFSETISPEED) && defined(HAVE_CFSETOSPEED)
- #define cfsetspeed(t, speed) \
- (cfsetispeed(t, speed) || cfsetospeed(t, speed))
- #else
- static int cfsetspeed(struct termios *t, int speed) {
- #ifdef HAVE_TERMIOS_CSPEED
- t->c_ispeed = speed;
- t->c_ospeed = speed;
- #else
- t->c_cflag |= speed;
- #endif
- return 0;
- }
- #endif
-#endif
-
-#ifndef O_NONBLOCK
- #define O_NONBLOCK 0
-#endif
-
-/* Structure to backup the setting of the terminal. */
-
-struct termios serial_termios;
-
-/* Open the serial port and store the settings. */
-
-int serial_open(__const char *__file, int __oflag) {
-
- int __fd;
- int retcode;
-
- __fd = open(__file, __oflag);
- if (__fd == -1) {
- perror("Gnokii serial_open: open");
- return (-1);
- }
-
- retcode=tcgetattr(__fd, &serial_termios);
- if(retcode==-1) {
- perror("Gnokii serial_open:tcgetattr");
- /* Don't call serial_close since serial_termios is not valid */
- close(__fd);
- return(-1);
- }
-
- return __fd;
-}
-
-/* Close the serial port and restore old settings. */
-
-int serial_close(int __fd) {
-
- if (__fd >= 0)
- tcsetattr(__fd, TCSANOW, &serial_termios);
-
- return (close(__fd));
-}
-
-/* Open a device with standard options. */
-
-int serial_opendevice(__const char *__file, int __with_odd_parity, int __with_async, int __with_hw_handshake) {
-
- int fd;
- int retcode;
- struct termios tp;
-
- /* Open device */
-
- fd = serial_open(__file, O_RDWR | O_NOCTTY | O_NONBLOCK);
-
- if (fd < 0)
- return fd;
-
- /* Allow process/thread to receive SIGIO */
-
-#if !(__unices__)
- retcode = fcntl(fd, F_SETOWN, getpid());
- if (retcode == -1){
- perror("Gnokii serial_opendevice: fnctl(F_SETOWN)");
- serial_close(fd);
- return(-1);
- }
-#endif
-
- /* Make filedescriptor asynchronous. */
-
- if (__with_async) {
- retcode=fcntl(fd, F_SETFL, FASYNC);
- if (retcode == -1){
- perror("Gnokii serial_opendevice: fnctl(F_SETFL)");
- serial_close(fd);
- return(-1);
- }
- }
-
- /* Initialise the port settings */
-
- memcpy(&tp, &serial_termios, sizeof(struct termios));
-
- /* Set port settings for canonical input processing */
-
- tp.c_cflag = B0 | CS8 | CLOCAL | CREAD;
- if (__with_odd_parity) {
- tp.c_cflag |= (PARENB | PARODD);
- tp.c_iflag = 0;
- }
- else
- tp.c_iflag = IGNPAR;
- if (__with_hw_handshake)
- tp.c_cflag |= CRTSCTS;
- else
- tp.c_cflag &= ~CRTSCTS;
-
- tp.c_oflag = 0;
- tp.c_lflag = 0;
- tp.c_cc[VMIN] = 1;
- tp.c_cc[VTIME] = 0;
-
- retcode=tcflush(fd, TCIFLUSH);
- if (retcode == -1) {
- perror("Gnokii serial_opendevice: tcflush");
- serial_close(fd);
- return(-1);
- }
-
- retcode=tcsetattr(fd, TCSANOW, &tp);
- if (retcode == -1){
- perror("Gnokii serial_opendevice: tcsetattr");
- serial_close(fd);
- return(-1);
- }
-
- return fd;
-}
-
-/* Set the DTR and RTS bit of the serial device. */
-
-void serial_setdtrrts(int __fd, int __dtr, int __rts) {
-
- unsigned int flags;
-
- flags = TIOCM_DTR;
-
- if (__dtr) ioctl(__fd, TIOCMBIS, &flags);
- else ioctl(__fd, TIOCMBIC, &flags);
-
- flags = TIOCM_RTS;
-
- if (__rts) ioctl(__fd, TIOCMBIS, &flags);
- else ioctl(__fd, TIOCMBIC, &flags);
-}
-
-
-int serial_select(int fd, struct timeval *timeout) {
-
- fd_set readfds;
-
- FD_ZERO(&readfds);
- FD_SET(fd, &readfds);
-
- return (select(fd + 1, &readfds, NULL, NULL, timeout));
-
-}
-
-
-/* Change the speed of the serial device. */
-
-void serial_changespeed(int __fd, int __speed) {
-
-#ifndef SGTTY
- struct termios t;
-#else
- struct sgttyb t;
-#endif
-
- int speed=B9600;
-
- switch (__speed) {
- case 9600: speed = B9600; break;
- case 19200: speed = B19200; break;
- case 38400: speed = B38400; break;
- case 57600: speed = B57600; break;
- case 115200: speed = B115200; break;
- }
-
-#ifndef SGTTY
- tcgetattr(__fd, &t);
-
- // This is not needed! We set up the speed via cfsetspeed
- // t.c_cflag &= ~CBAUD;
- // t.c_cflag |= speed;
-#ifdef DEBUG
- if (cfsetspeed(&t, speed) == -1)
- fprintf(stdout,_("Serial port speed setting failed\n"));
-#else
- cfsetspeed(&t, speed);
-#endif
-
- tcsetattr(__fd, TCSADRAIN, &t);
-#else
- ioctl(__fd, TIOCGETP, &t);
-
- t.sg_ispeed = speed;
- t.sg_ospeed = speed;
-
- ioctl(__fd, TIOCSETN, &t);
-#endif
-}
-
-/* Read from serial device. */
-
-size_t serial_read(int __fd, __ptr_t __buf, size_t __nbytes) {
-
- return (read(__fd, __buf, __nbytes));
-}
-
-/* Write to serial device. */
-
-size_t serial_write(int __fd, __const __ptr_t __buf, size_t __n) {
-
- return (write(__fd, __buf, __n));
-}
-
-#endif /* WIN32 */
git://git.jankratochvil.net / gnokii.git / blobdiff