added raw binary output mode

.gitignore

 ethstream
 ethstream.1
 ethstream.txt
+*.d
+*.o
\ No newline at end of file

ethstream.c

@@ -59,6 +59,7 @@ struct options opt[] = {
 	{'f', "forceretry", NULL, "retry no matter what happens"},
 	{'c', "convert", NULL, "convert output to volts/temperature"},
 	{'H', "converthex", NULL, "convert output to hex"},
+	{'B', "convertbinary", NULL, "output raw binary data"},
 	{'m', "showmem", NULL, "output memory stats with data (NJ only)"},
 	{'l', "lines", "num", "if set, output this many lines and quit"},
 	{'h', "help", NULL, "this help"},
@@ -102,7 +103,6 @@ void handle_sig(int sig)
 	 * if the stream is not closed correctly              *
 	 ******************************************************/
 	if(ue9_running==1){
-	  printf("Performing clean shutdown of LabJack\n");
 	  ue9_stream_stop(fd_cmd);
 	  ue9_buffer_flush(fd_cmd);
 	  ue9_close(fd_data);
@@ -324,6 +324,15 @@ int main(int argc, char *argv[])
 			}
 			convert = CONVERT_HEX;
 			break;
+		case 'B':
+			if (convert != 0) {
+				info("specify only one conversion type\n");
+				goto printhelp;
+			}
+			convert = CONVERT_BINARY;
+			// convert stdout to binary stream
+			// freopen (NULL,"wb",stdout);
+			break;
 		case 'm':
 			showmem++;
 		case 'v':
@@ -782,6 +791,16 @@ int data_callback(int channels, int *channel_list, int gain_count, int *gain_lis
 	struct callbackInfo *ci = (struct callbackInfo *)context;
 	static int lines = 0;
 
+	if (ci->convert == CONVERT_BINARY) {
+	  /* CONVERT_BINARY */
+	  if (fwrite(data, sizeof(uint16_t), channels, stdout) < 0)
+	    goto bad;
+	  lines++;
+	  if (ci->maxlines && lines >= ci->maxlines)
+	    return -1;
+	  
+	  return 0;
+	}	
 	columns_left = channels;
 	for (i = 0; i < channels; i++) {
 		if (ci->convert == CONVERT_VOLTS &&
@@ -809,7 +828,8 @@ int data_callback(int channels, int *channel_list, int gain_count, int *gain_lis
 			/* CONVERT_HEX */
 			if (printf("%04X", data[i]) < 0)
 				goto bad;
-		} else {
+		} 	  
+		else {
 			/* CONVERT_DEC */
 			if (printf("%d", data[i]) < 0)
 				goto bad;

ethstream.h

@@ -4,6 +4,7 @@
 #define CONVERT_DEC 0
 #define CONVERT_VOLTS 1
 #define CONVERT_HEX 2
+#define CONVERT_BINARY 3
 
 #define TIMEOUT 5		/* Timeout for connect/send/recv, in seconds */