diff options
Diffstat (limited to 'usb/bdt.h')
| -rw-r--r-- | usb/bdt.h | 14 |
1 files changed, 14 insertions, 0 deletions
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 */ |