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#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <linux/zaptel.h>
#include "wctdm.h"
int main (int argc , char **argv)
{
char zapdev[80] = "";
int fd;
if (argc < 4) {
fprintf(stdout, "Usage:\n");
fprintf(stdout, "%s [zap device] echocan [0-7]\n", argv[0]);
exit(1);
}
strncpy(zapdev, argv[1], sizeof(zapdev));
fd = open(zapdev, O_RDWR);
if (fd < 0) {
fprintf(stderr, "open: %s\n", strerror(errno));
exit(1);
}
if (!strcasecmp(argv[2], "echocan")) {
int modeno = atoi(argv[3]);
if (modeno < 0 || modeno > 7) {
fprintf(stdout, "Echo canceller coefficient settings must be between 0 and 7.\n");
exit(1);
}
if (ioctl(fd, WCTDM_SET_ECHOTUNE, &modeno)) {
fprintf(stdout, "echotune: %s\n", strerror(errno));
exit(1);
}
exit(0);
}
exit(0);
}
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