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66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
/* radare - LGPL - Copyright 2017 - pancake */
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#include <r_socket.h>
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#if __UNIX__ && !defined(__MINGW32__)
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#include <errno.h>
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#include <string.h>
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#include <fcntl.h>
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#include <termios.h>
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static int set_interface_attribs (int fd, int speed, int parity) {
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struct termios tty;
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memset (&tty, 0, sizeof tty);
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if (tcgetattr (fd, &tty) != 0) {
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return -1;
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}
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cfsetospeed (&tty, speed);
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cfsetispeed (&tty, speed);
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tty.c_cflag = (tty.c_cflag & ~CSIZE) | CS8; // 8-bit chars
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// disable IGNBRK for mismatched speed tests; otherwise receive break
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// as \000 chars
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tty.c_iflag &= ~IGNBRK; // disable break processing
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tty.c_lflag = 0; // no signaling chars, no echo,
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// no canonical processing
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tty.c_oflag = 0; // no remapping, no delays
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tty.c_cc[VMIN] = 0; // read doesn't block
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tty.c_cc[VTIME] = 5; // 0.5 seconds read timeout
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tty.c_iflag &= ~(IXON | IXOFF | IXANY); // shut off xon/xoff ctrl
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tty.c_cflag |= (CLOCAL | CREAD);// ignore modem controls,
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// enable reading
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tty.c_cflag &= ~(PARENB | PARODD); // shut off parity
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tty.c_cflag |= parity;
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tty.c_cflag &= ~CSTOPB;
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#ifdef CRTSCTS
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tty.c_cflag &= ~CRTSCTS;
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#endif
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if (tcsetattr (fd, TCSANOW, &tty) != 0) {
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return -1;
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}
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return 0;
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}
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R_API int r_socket_connect_serial(RSocket *sock, const char *path, int speed, int parity) {
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int fd = open (path, O_RDWR | O_SYNC | O_BINARY, 0); // O_NOCTY
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if (fd == -1) {
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return -1;
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}
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if (speed < 1) {
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speed = 9600; // 19200
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}
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(void)set_interface_attribs (fd, speed, parity);
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sock->fd = fd;
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return fd;
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}
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#else // __UNIX__
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R_API int r_socket_connect_serial(RSocket *sock, const char *path, int speed, int parity) {
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return -1;
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}
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#endif
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