#include <sys/types.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>

extern int target_fd;

int bootctrl_duart28c_mode;
static int mctl_arg;

bootctrl_check_duart28c(bc_name)
	char *bc_name;
{
	if (!strcmp(bc_name, "dtr")) {
		bootctrl_duart28c_mode = 1;
		mctl_arg = TIOCM_DTR;
		return 1;
	}
	if (!strcmp(bc_name, "rts")) {
		bootctrl_duart28c_mode = 1;
		mctl_arg = TIOCM_RTS;
		return 1;
	}
	return 0;
}

void
fork_duart28c_pulse()
{
	int i;

	i = fork();
	if (i < 0) {
		perror("fork");
		exit(1);
	}
	if (i)
		return;
	ioctl(target_fd, TIOCMBIS, &mctl_arg);
	usleep(50000);
	ioctl(target_fd, TIOCMBIC, &mctl_arg);
	exit(0);
}