--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/controlmsg.c	Sat May 07 17:29:58 2011 +0200
@@ -0,0 +1,73 @@
+/* $Id: usbreplay.c,v 1.7 2004/02/07 17:02:32 bd Exp $ */
+/* Use only with the Hauppauge WinTV PVR usb2, VID/PID 2040/2900. */
+/* No commercial affiliation, warranty, copyright, party invitation, */
+/* fitness or non-fitness, implied or otherwise, is claimed by this comment. */
+/* Compile with -lusb, then put it where capture.pl will find it. */
+
+#include <usb.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <fcntl.h>
+
+struct usb_device *find_first_pvr() {
+  struct usb_bus *bus;
+  struct usb_device *dev;
+  
+  usb_init();
+  usb_find_busses();
+  usb_find_devices();
+  
+  for (bus = usb_busses; bus; bus = bus->next) {
+    for (dev = bus->devices; dev; dev = dev->next) {
+      if (dev->descriptor.idVendor == 0x04e8 &&
+          dev->descriptor.idProduct == 0x2027) {
+        fprintf(stderr, "Samsung photoframe in Mass Storage mode found ...\n");
+        return dev;
+      }
+      else if (dev->descriptor.idVendor == 0x04e8 &&
+               dev->descriptor.idProduct == 0x2028){
+	fprintf(stderr, "Samsung photoframe in Custom Product mode found ...\n");
+	return NULL;
+      }
+    }
+  }
+    fprintf(stderr, "No Samsung device found ...\n");
+    return NULL;
+}
+
+
+int replay() {
+  int res = -1;
+  char buf[256];
+  usb_dev_handle *udev;
+  struct usb_device *dev = NULL;
+  int numeps = 0;
+
+  dev = find_first_pvr();
+  if (dev == NULL) {
+        fprintf(stderr, "Since no Samsung device in Mass Storage mode found, not going to do anything\n");
+	return 0;
+  }
+  udev = usb_open(dev);
+
+  setuid(getuid());
+
+  strcpy(buf, "** no string **");
+  res = usb_get_string_simple(udev, dev->descriptor.iManufacturer, buf, sizeof(buf));
+  fprintf(stderr, "usb_get_string_simple => %d, %s\n", res, buf);
+
+  char blah[254];
+  memset(blah,0,254);
+
+  res = usb_control_msg(udev, USB_TYPE_STANDARD | USB_ENDPOINT_IN, USB_REQ_GET_DESCRIPTOR, 0xfe, 0xfe, blah, 0xfe, 1000);
+  printf("usb_control_msg() = %d\n",res);
+
+  fprintf(stderr, "Just switched to 0x2028 Custom Product mode\n");
+  return 0;
+}
+
+
+int main(int argc, char *argv[]) {
+  return replay();
+}