1 files changed, 48 insertions, 0 deletions
diff --git a/tutorials/sndkit/sblive/writegpr.c b/tutorials/sndkit/sblive/writegpr.c
new file mode 100644
index 0000000..c70e191
--- /dev/null
+++ b/tutorials/sndkit/sblive/writegpr.c
@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#define oss_native_ulong unsigned long
+#define sound_os_info unsigned long
+#define ac97_devc unsigned long
+typedef int oss_mutex;
+#include <soundcard.h>
+#include <sblive.h>
+
+int
+main (int argc, char *argv[])
+{
+  int ossfd, reg, value;
+  char *dspname = "/dev/dsp";
+  sblive_reg rg;
+
+  if (argc < 3)
+    {
+      fprintf (stderr, "Usage: %s GPR hexvalue\n", argv[0]);
+      exit (-1);
+    }
+
+  if (sscanf (argv[1], "%d", &reg) != 1)
+    exit (-1);
+
+  if (sscanf (argv[2], "%x", &value) != 1)
+    exit (-1);
+
+  if ((ossfd = open (dspname, O_WRONLY, 0)) == -1)
+    {
+      perror (dspname);
+      exit (-1);
+    }
+
+  rg.reg = GPR0 + reg;
+  rg.chn = 0;
+  rg.value = value;
+
+  if (ioctl (ossfd, SBLIVE_WRITEREG, &rg) == -1)
+    perror (dspname);
+
+
+  exit (0);
+}