Commit | Line | Data |
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5cf8708d H |
1 | #include <stdio.h> |
2 | #include <fcntl.h> | |
3 | #include <asm-generic/ioctls.h> | |
4 | #include <unistd.h> | |
5 | ||
cbca6c3b | 6 | /* Pulse DTR (Harvie 2o1o) |
5cf8708d H |
7 | * This can be used eg.: for reseting Arduino |
8 | * | |
9 | * make serial-pulse-dtr | |
10 | * ./serial-pulse-dtr /dev/ttyUSB0 | |
11 | * | |
12 | * (-; peace ;-) | |
13 | */ | |
14 | ||
15 | int main(int argc, char *argv[]) { | |
16 | if(argc < 2) printf("Usage: %s [/dev/tty*]\n", argv[0]); | |
17 | ||
18 | int fd = open(argv[1], O_WRONLY); | |
19 | perror(argv[0]); | |
20 | ||
21 | //DTR HIGH | |
22 | //ioctl(fd, TIOCSDTR); | |
23 | ioctl(fd, TIOCMBIS); | |
24 | ||
25 | //Wait | |
26 | //system("sleep 0.1"); | |
27 | usleep(100000); | |
28 | ||
29 | //DTR LOW | |
30 | //ioctl(fd, TIOCCDTR); | |
31 | ioctl(fd, TIOCMBIC); | |
32 | ||
33 | close(fd); | |
34 | return 0; | |
35 | } |