merge the autotools branch

[super-star-trek.git] / src / sstlinux.c

diff --git a/src/sstlinux.c b/src/sstlinux.c
new file mode 100644 (file)
index 0000000..3c2ebbe
--- /dev/null
+++ b/src/sstlinux.c
@@ -0,0 +1,27 @@
+#include "config.h"
+#include "sstlinux.h"
+
+#ifdef HAVE_LINUX_KD_H
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <linux/kd.h>
+
+static int fd = 0;
+#endif
+
+void sound(unsigned int freq)
+{
+#ifdef HAVE_LINUX_KD_H
+    if(fd==0) fd=open("/dev/console", O_RDONLY);
+    if(fd>0) ioctl(fd, KDMKTONE, 1193180/freq + (0xFFFF<<16));
+#endif
+}
+
+void nosound(void)
+{
+#ifdef HAVE_LINUX_KD_H
+    if(fd>0) ioctl(fd, KDMKTONE, 0);
+#endif
+}