X-Git-Url: https://git.realraum.at/?p=svn42.git;a=blobdiff_plain;f=reset_tty%2Freset_tty.c;fp=reset_tty%2Freset_tty.c;h=0000000000000000000000000000000000000000;hp=bf1c0a01a72ac26615b34979f6cc0ae7f9eb5a74;hb=ff9137d257207a3a4b03c4f453cc1b7ce1e3cf17;hpb=a34e51d757fe52cb19de2937ae1b211894167524 diff --git a/reset_tty/reset_tty.c b/reset_tty/reset_tty.c deleted file mode 100644 index bf1c0a0..0000000 --- a/reset_tty/reset_tty.c +++ /dev/null @@ -1,42 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include - -#define STATE_OFF 0 -#define STATE_ON 1 - -void setDTRState (int fd, int state) { - int flags; - - ioctl(fd, TIOCMGET, &flags); - flags = (state == STATE_ON ? flags | TIOCM_DTR : flags & ~TIOCM_DTR); - ioctl(fd, TIOCMSET, &flags); -} - -int -main(int argc, char* argv[]) -{ - char* device = argc < 2 ? "/dev/ttyUSB0" : argv[1]; - int fd = open(device, O_RDWR); - if (fd == 0) { - fprintf(stderr, "Could not open %s\n", device); - return EXIT_FAILURE; - } - - setDTRState(fd, STATE_ON); - struct timeval sleeptime = {0, 100000}; // 100ms - select(0, NULL, NULL, NULL, &sleeptime); - setDTRState(fd, STATE_OFF); - sleeptime.tv_sec = 0; - sleeptime.tv_usec = 100000; - select(0, NULL, NULL, NULL, &sleeptime); - setDTRState(fd, STATE_ON); - close(fd); - - return EXIT_SUCCESS; -} -