ring.c

来自「mgcp协议源代码。支持多种编码：g711」· C语言 代码 · 共 40 行

#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <sys/ioctl.h>
#include <unistd.h>
#include <fcntl.h>
#include "ixjuser.h"

int main(int argc, char *argv[])
{
  int ixj, dsp, ver;
  char pname[80], maxrings;

  if(argc >= 2)
    sprintf(pname, "/dev/ixj%s", argv[1]);
  else
    sprintf(pname, "/dev/ixj0");

  ixj = open(pname, O_RDWR);

  dsp = ioctl(ixj, IXJCTL_DSP_TYPE);
  ver = ioctl(ixj, IXJCTL_DSP_VERSION);
  printf("DSP type 0x%x, DSP Version 0x%x\n", dsp, ver);

  maxrings = atoi(argv[2]);

  ioctl(ixj, IXJCTL_MAXRINGS, maxrings);

  if(!ioctl(ixj, IXJCTL_RING))
  {
    printf("No Answer\n");
  }
  else
  {
    printf("Phone answered\n");
  }
  close(ixj);
}