Usb Stack: only setup packet handling, and not enabled by default as there is a lot to do.

* settings code is not fully ready -> changing device driver has no effect
* clean ups
* check copyriths
* find a way to detect IN transfers
* support for full and highspeed
* ...




git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14470 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 55 insertions, 0 deletions

diff --git a/firmware/export/usbstack.h b/firmware/export/usbstack.h
new file mode 100644
index 0000000..9142b1b
--- /dev/null
+++ b/firmware/export/usbstack.h
@@ -0,0 +1,55 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id: $
+ *
+ * Copyright (C) 2007 by Christian Gmeiner
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#ifndef _USBSTACK_H_
+#define _USBSTACK_H_
+
+#include <errno.h>
+
+#define USB_STACK_MAX_SETTINGS_NAME	32*10		/* should be enough for > 10 driver names */
+
+/*
+ * error codes
+ */
+#define ENOFREESLOT             1
+#define EWRONGCONTROLLERTYPE    2
+#define ENODRIVERFOUND          3
+#define EHWCRITICAL				4
+
+enum usb_controller_type {
+    DEVICE = 0,
+    HOST,
+};
+
+/*
+ * stack routines
+ */
+void usb_stack_init(void);
+void usb_stack_start(void);
+void usb_stack_stop(void);
+
+void usb_controller_select(int type);
+int usb_stack_get_mode(void);
+int usb_device_driver_bind(const char* name);
+void ubs_device_driver_unbind(void);
+
+/* used by apps settings code */
+unsigned char device_driver_names[USB_STACK_MAX_SETTINGS_NAME];
+
+#endif /*_USBSTACK_H_*/