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comparison loadtools/labaud.c @ 52:b015036286f3

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fc-loadtool: fast-baud communication with loadagent implemented, works!
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sun, 23 Jun 2013 04:34:22 +0000
parents
children 604648026e9c
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51:aa62352647f7 52:b015036286f3
1 /*
2 * This module handles the switching of serial baud rates
3 * in coordination with loadagent.
4 */
5
6 #include <stdio.h>
7 #include <stdlib.h>
8 #include <termios.h>
9 #include <unistd.h>
10 #include "baudrate.h"
11
12 extern int target_fd;
13 extern struct baudrate *current_baud_rate;
14 extern struct baudrate *find_baudrate_by_name();
15
16 loadagent_switch_baud(newbr)
17 struct baudrate *newbr;
18 {
19 char *argv[3];
20 static char U = 'U';
21
22 argv[0] = "baud";
23 argv[1] = newbr->name;
24 argv[2] = 0;
25 tpinterf_make_cmd(argv);
26 if (tpinterf_send_cmd() < 0)
27 return(-1);
28 switch_baud_rate(newbr);
29 usleep(150000);
30 write(target_fd, &U, 1);
31 return tpinterf_pass_output(1);
32 }
33
34 cmd_baud(argc, argv)
35 char **argv;
36 {
37 struct baudrate *br;
38
39 if (argc < 2) {
40 printf("Current baud rate is %s\n", current_baud_rate->name);
41 return(0);
42 }
43 br = find_baudrate_by_name(argv[1]);
44 if (!br)
45 return(-1); /* error msg already printed */
46 return loadagent_switch_baud(br);
47 }