From c3c5f1e5fe27574220c3e94a79048e066cacc121 Mon Sep 17 00:00:00 2001
From: Tomasz Kramkowski <tk@the-tk.com>
Date: Thu, 20 Oct 2016 23:43:29 +0100
Subject: Init commit

---
 usb/bdt.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100644 usb/bdt.h

(limited to 'usb/bdt.h')

diff --git a/usb/bdt.h b/usb/bdt.h
new file mode 100644
index 0000000..5f0a123
--- /dev/null
+++ b/usb/bdt.h
@@ -0,0 +1,14 @@
+#ifndef USB_BDT_H
+#define USB_BDT_H
+
+#include <reg/usbotg.h>
+
+extern struct usb0_bd usb_bdt[4 * 16];
+
+#define BDT_ENDPT(n, tx, odd) (usb_bdt[(n) << 2 | (tx & 1) << 1 | (odd & 1)])
+#define BDT_RX 0
+#define BDT_TX 1
+#define BDT_EVEN 0
+#define BDT_ODD 1
+
+#endif /* USB_BDT_H */
-- 
cgit v1.2.3-54-g00ecf