FreeCalypso > hg > freecalypso-tools
annotate libserial-newlnx/openport.c @ 273:18a8fb3d845b
fc-tmsync: user command wrappers implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 16 Nov 2017 23:33:50 +0000 |
parents | 6984b76f3def |
children | 9d9c241f2c84 |
rev | line source |
---|---|
254
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
1 /* |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
2 * This module implements the basic serial port opening operation. |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
3 */ |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
4 |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
5 #include <sys/types.h> |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
6 #include <sys/file.h> |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
7 #include <sys/ioctl.h> |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
8 #include <stdio.h> |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
9 #include <stdlib.h> |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
10 #include <unistd.h> |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
11 |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
12 int target_fd; |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
13 |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
14 open_serial_port(ttyport) |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
15 char *ttyport; |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
16 { |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
17 target_fd = open(ttyport, O_RDWR|O_NONBLOCK); |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
18 if (target_fd < 0) { |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
19 perror(ttyport); |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
20 exit(1); |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
21 } |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
22 ioctl(target_fd, TIOCEXCL); |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
23 return 0; |
6984b76f3def
beginning of libserial-newlnx: copy of libserial-orig
Mychaela Falconia <falcon@freecalypso.org>
parents:
diff
changeset
|
24 } |