removed obsolete files

sound.c

@@ -1,94 +0,0 @@
-/* irmc - internet relay morsecode client */
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <fcntl.h>
-#include <soundcard.h>
-#include <math.h>
-
-#define SAMPLE_RATE 48000
-
-int sample_rate = SAMPLE_RATE;
-int fd_speaker;
-int zinebuf[SAMPLE_RATE * 2]; 
-int pitch = 650;
-
-void
-init_sound()
-{
-	int i, pr;
-
-	pr = sample_rate / pitch;
-
-	for(i = 0; i < SAMPLE_RATE * 2; i++)
-		zinebuf[i] = 32767 * sin(2 * 3.1415 / pr * (double)i );
-}
-
-void
-play_code_element (int length)
-{
-  	int i;
-  	short buf[SAMPLE_RATE * 4];		
-
-  	int outsz;
-	
-	outsz = abs(length) * SAMPLE_RATE / 1000;
-	
-	if(length == 0 || abs(length) > 2000) return;
-	if(length < 0) {   /* Space */
-		for (i = 0; i < outsz; i++) buf[i] = 0;
-	} else { /* Mark */
-		for (i = 0; i < outsz; i++) buf[i] = zinebuf[i];
-	}
-
-	if (write (fd_speaker, buf, outsz * 2) != (outsz * 2)){
-      		perror ("Audio write");
-      		exit (-1);
-    	}
-}
-
-
-int
-open_audio_device (char *name, int mode)
-{
-  	int tmp, fd;
-
-  	if ((fd = open (name, mode, 0)) == -1){
-      		perror (name);
-      		//exit (-1);
-    	}
-
-  	tmp = AFMT_S16_NE;		/* Native 16 bits */
-  	if (ioctl (fd, SNDCTL_DSP_SETFMT, &tmp) == -1){
-      		perror ("SNDCTL_DSP_SETFMT");
-      		exit (-1);
-    	}
-
-  	if (tmp != AFMT_S16_NE){
-      		fprintf (stderr,
-	       		"The device doesn't support the 16 bit sample format.\n");
-      		exit (-1);
-    	}
-
-  	tmp = 1;
-  	if (ioctl (fd, SNDCTL_DSP_CHANNELS, &tmp) == -1){
-      		perror ("SNDCTL_DSP_CHANNELS");
-      		exit (-1);
-    	}
-
-  	if (tmp != 1){
-      		fprintf (stderr, "The device doesn't support mono mode.\n");
-      		exit (-1);
-    	}
-
-  	//sample_rate = 48000;
-  	if (ioctl (fd, SNDCTL_DSP_SPEED, &sample_rate) == -1){
-      		perror ("SNDCTL_DSP_SPEED");
-      		exit (-1);
-    	}
-
-  	return fd;
-}
-
-

sound.h

@@ -1,3 +0,0 @@
-void init_sound (void);
-void play_code_element (int);
-int open_audio_device (char *, int);