Imported Upstream version 4.2-build2006upstream/4.2-build2006upstream

1 files changed, 55 insertions, 0 deletions

diff --git a/tutorials/sndkit/samples/midiin.c b/tutorials/sndkit/samples/midiin.c
new file mode 100644
index 0000000..ab6ca26
--- /dev/null
+++ b/tutorials/sndkit/samples/midiin.c
@@ -0,0 +1,55 @@
+/*
+ * Purpose: A minimalistic MIDI input programming sample.
+ * Copyright (C) 4Front Technologies, 2002-2004. Released under GPLv2/CDDL.
+ *
+ * Description:
+ * This simple program opens a MIDI device file and displays everything
+ * it receives in hexadecimal format.
+ *
+ * Please look at the "{!link MIDI}" section of the OSS Developer's
+ * manual for more info about MIDI programming.
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <fcntl.h>
+#include <soundcard.h>
+
+#define DEVICE "/dev/midi"
+
+int
+main ()
+{
+  int fd;
+  unsigned char buf[128];
+  int l;
+
+  if ((fd = open (DEVICE, O_RDONLY, 0)) == -1)
+    {
+      perror ("open " DEVICE);
+      exit (-1);
+    }
+
+/*
+ * Note that read may return any number of bytes between 0 and sizeof(buf).
+ * -1 means that some error has occurred.
+ */
+
+  while ((l = read (fd, buf, sizeof (buf))) != -1)
+    {
+      int i;
+
+      for (i = 0; i < l; i++)
+	{
+	  if (buf[i] & 0x80)	/* Status byte */
+	    printf ("\n");
+	  printf ("%02x ", buf[i]);
+	}
+
+      fflush (stdout);
+    }
+
+  close (fd);
+  exit (0);
+}