X-Git-Url: https://jxself.org/git/?p=linux-libre-firmware.git;a=blobdiff_plain;f=atusb%2Fsernum.c;fp=atusb%2Fsernum.c;h=41e434c75eeb0b725ccb27ca574e1780562d4c5f;hp=0000000000000000000000000000000000000000;hb=dd4bc9ff49b9a7075e579fdd62fd930d27a9a7df;hpb=c164bf7f87f9081fee7e1a186dd7a87a9a020b9e

diff --git a/atusb/sernum.c b/atusb/sernum.c
new file mode 100644
index 0000000..41e434c
--- /dev/null
+++ b/atusb/sernum.c
@@ -0,0 +1,47 @@
+/*
+ * fw/sernum.c - ATUSB serial number
+ *
+ * Written 2008-2011, 2013 by Werner Almesberger
+ * Copyright 2008-2011, 2013 Werner Almesberger
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+
+#include <stdbool.h>
+#include <stdint.h>
+
+#include "usb.h"
+
+#include "board.h"
+#include "sernum.h"
+
+
+static const uint8_t string_descriptor_0[] = {
+	4,				/* blength */
+	USB_DT_STRING,			/* bDescriptorType */
+	LE(USB_LANGID_ENGLISH_US)	/* wLANGID[0]  */
+};
+
+
+bool sernum_get_descr(uint8_t type, uint8_t index, const uint8_t **reply,
+    uint8_t *size)
+{
+	if (type != USB_DT_STRING)
+		return 0;
+	switch (index) {
+	case 0:
+		*reply = string_descriptor_0;
+		*size = sizeof(string_descriptor_0);
+		return 1;
+	case 1:
+		*reply = board_sernum;
+		*size = sizeof(board_sernum);
+		return 1;
+	default:
+		return 0;
+	}
+}