FreeCalypso > hg > freecalypso-sw

annotate loadtools/sercomm.c @ 24:9ee91bc6057c

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
loadagent buglet in the memory dump command argument parsing
author Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
date Sat, 04 May 2013 04:57:43 +0000
parents fea204bc7674
children 54392d1ea474
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
7
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
1 /*
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
2 * This module handles the establishment of serial communication
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
3 * with the target, i.e., the host-side termios stuff.
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
4 */
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
5
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
6 #include <sys/types.h>
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
7 #include <sys/file.h>
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
8 #include <sys/ioctl.h>
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
9 #include <termios.h>
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
10 #include <stdio.h>
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
11 #include <stdlib.h>
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
12 #include <unistd.h>
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
13
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
14 char *target_ttydev;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
15 int target_fd;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
16 struct termios target_termios;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
17
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
18 open_target_serial()
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
19 {
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
20 target_fd = open(target_ttydev, O_RDWR|O_NONBLOCK);
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
21 if (target_fd < 0) {
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
22 perror(target_ttydev);
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
23 exit(1);
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
24 }
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
25 target_termios.c_iflag = IGNBRK;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
26 target_termios.c_oflag = 0;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
27 target_termios.c_cflag = CLOCAL|HUPCL|CREAD|CS8;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
28 target_termios.c_lflag = 0;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
29 target_termios.c_cc[VMIN] = 1;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
30 target_termios.c_cc[VTIME] = 0;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
31 /* start at B19200, as that's what we'll need to use initially */
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
32 cfsetispeed(&target_termios, B19200);
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
33 cfsetospeed(&target_termios, B19200);
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
34 if (tcsetattr(target_fd, TCSAFLUSH, &target_termios) < 0) {
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
35 perror("initial tcsetattr on target");
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
36 exit(1);
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
37 }
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
38 return 0;
aa1f6fe16fef loadtools building blocks started
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents:
diff changeset
39 }
9
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
40
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
41 switch_baud_rate(code)
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
42 {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
43 cfsetispeed(&target_termios, code);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
44 cfsetospeed(&target_termios, code);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
45 if (tcsetattr(target_fd, TCSAFLUSH, &target_termios) < 0) {
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
46 perror("tcsetattr to switch baud rate");
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
47 exit(1);
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
48 }
fea204bc7674 fc-sertool compiles
Michael Spacefalcon <msokolov@ivan.Harhan.ORG>
parents: 7
diff changeset
49 }