FreeCalypso > hg > freecalypso-tools

annotate libserial-orig/setbaud.c @ 416:30f6d1c32c6f

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doc/Flash-boot-defect article removed (no longer relevant) This article is no longer relevant because the issue in question only affected one (1) defective FCDEV3B board which was not and never will be sold.
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 26 Oct 2018 07:11:08 +0000
parents cb1ba53a1106
children
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1 /*
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2 * This module implements the termios/ioctl setting of the baud rate.
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3 */
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4
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5 #include <sys/types.h>
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6 #include <sys/ioctl.h>
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7 #include <termios.h>
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8 #include <stdio.h>
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9 #include <stdlib.h>
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10 #include <unistd.h>
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11 #include "baudrate.h"
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12
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13 extern int target_fd;
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14
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15 struct baudrate *current_baud_rate;
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16
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17 set_serial_baudrate(br)
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18 struct baudrate *br;
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19 {
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20 struct termios target_termios;
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21
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22 target_termios.c_iflag = IGNBRK;
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23 target_termios.c_oflag = 0;
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24 target_termios.c_cflag = CLOCAL|HUPCL|CREAD|CS8;
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25 target_termios.c_lflag = 0;
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26 target_termios.c_cc[VMIN] = 1;
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27 target_termios.c_cc[VTIME] = 0;
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28 cfsetispeed(&target_termios, br->termios_code);
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29 cfsetospeed(&target_termios, br->termios_code);
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30 if (tcsetattr(target_fd, TCSAFLUSH, &target_termios) < 0) {
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31 perror("tcsetattr");
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32 exit(1);
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33 }
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34 current_baud_rate = br;
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35 return 0;
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36 }