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annotate loadtools/labaud.c @ 225:c04aa85559ed

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author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Mon, 13 Jan 2014 09:05:01 +0000
parents 604648026e9c
children
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b015036286f3 fc-loadtool: fast-baud communication with loadagent implemented, works!
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
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1 /*
b015036286f3 fc-loadtool: fast-baud communication with loadagent implemented, works!
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2 * This module handles the switching of serial baud rates
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3 * in coordination with loadagent.
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4 */
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5
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6 #include <stdio.h>
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7 #include <stdlib.h>
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8 #include <termios.h>
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9 #include <unistd.h>
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10 #include "baudrate.h"
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11
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12 extern int target_fd;
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13 extern struct baudrate *current_baud_rate;
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14 extern struct baudrate *find_baudrate_by_name();
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15
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16 loadagent_switch_baud(newbr)
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17 struct baudrate *newbr;
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18 {
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19 char *argv[3];
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20 static char U = 'U';
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21
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604648026e9c fc-xram: baud rate switching implemented per original intent
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22 printf("Switching loadagent communication to %s baud\n", newbr->name);
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23 argv[0] = "baud";
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24 argv[1] = newbr->name;
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25 argv[2] = 0;
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26 tpinterf_make_cmd(argv);
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27 if (tpinterf_send_cmd() < 0)
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28 return(-1);
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29 switch_baud_rate(newbr);
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30 usleep(150000);
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31 write(target_fd, &U, 1);
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32 return tpinterf_pass_output(1);
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33 }
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34
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35 cmd_baud(argc, argv)
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36 char **argv;
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37 {
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38 struct baudrate *br;
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39
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40 if (argc < 2) {
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41 printf("Current baud rate is %s\n", current_baud_rate->name);
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42 return(0);
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43 }
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44 br = find_baudrate_by_name(argv[1]);
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45 if (!br)
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46 return(-1); /* error msg already printed */
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47 return loadagent_switch_baud(br);
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48 }