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- /*
- * AUTHOR: Sven Goldt (goldt@math.tu-berlin.de)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- */
-
-
- #include <stdio.h>
- #include <unistd.h>
- #include <stdlib.h>
- #include <sys/types.h>
- #include <string.h>
- #include <ctype.h>
- #include <fcntl.h>
- #include <sys/kd.h>
- #include <sys/ioctl.h>
-
- extern float name_to_val(char *tune);
-
- main(int argc, char **argv)
- {
- int fd=1,tone,duration;
- float frequency;
- char sounddata[20];
-
- if (argc>1)
- {
- fprintf(stderr,"I need sounddatas from stdin !\n");
- exit(-1);
- }
-
- if (strncmp(getenv("TERM"), "xterm", 5) == 0)
- {
- fd = open("/dev/console", O_WRONLY);
- if (fd < 0) fd = 1; /* stdout */
- }
-
- while (fgets(sounddata,20,stdin)!=NULL)
- {
-
- if (isalpha(*sounddata))
- {
- strtok(sounddata,"\t, "); /* delimiters for frequency and length */
- frequency=name_to_val(sounddata);
- sscanf(strtok(NULL,"\r"),"%d",&duration);
- }
- else sscanf(sounddata,"%f%*c%d",&frequency,&duration);
-
- if (frequency!=0.0) tone=1190000/frequency;/*calculate value for pc speaker*/
- else tone=0;
- ioctl(fd,KIOCSOUND,tone);
- usleep(duration*1000); /* duration in ms */
-
- }
- ioctl(fd,KIOCSOUND,0); /* sound off */
-
- if (fd>2) close(fd); /* console */
-
- exit(0);
- }
-
-
-