now detect usb

1 files changed, 35 insertions, 0 deletions

diff --git a/generate_usbclass.pl b/generate_usbclass.pl
new file mode 100755
index 0000000..a503e85
--- /dev/null
+++ b/generate_usbclass.pl
@@ -0,0 +1,35 @@
+#!/usr/bin/perl
+
+print q(/* This auto-generated from <usb.h>, don't modify! */
+
+struct {
+  unsigned short id;
+  const char *name;
+} usbclasses[] = {
+);
+
+while (<>) {
+    chomp;
+    if (/^C\s+(\d+)\s+(.*)/) {
+	($cat, $descr) = ($1, $2);
+    } elsif (/^\t\t(\d+)\s+(.*)/ && defined $cat) {
+	print qq(  { 0x$cat$1, "$descr|$2" },\n);
+    } elsif (/^\S/) {
+      undef $cat;
+    }
+}
+
+print '
+};
+
+int nb_usbclasses = sizeof(usbclasses) / sizeof(*usbclasses);
+
+extern const char *usb_class2text(unsigned short class) {
+  int i;
+  for (i = 0; i < nb_usbclasses; i++)
+    if (usbclasses[i].id == class) return usbclasses[i].name;
+
+  return "";
+}
+
+';