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bertos/drv/usb_endpoint.h

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+/**
+ * \file
+ * <!--
+ * This file is part of BeRTOS.
+ *
+ * Bertos 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.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * As a special exception, you may use this file as part of a free software
+ * library without restriction.  Specifically, if other files instantiate
+ * templates or use macros or inline functions from this file, or you compile
+ * this file and link it with other files to produce an executable, this
+ * file does not by itself cause the resulting executable to be covered by
+ * the GNU General Public License.  This exception does not however
+ * invalidate any other reasons why the executable file might be covered by
+ * the GNU General Public License.
+ *
+ * Copyright 2010 Develer S.r.l. (http://www.develer.com/)
+ *
+ * -->
+ *
+ * \author Andrea Righi <arighi@develer.com>
+ *
+ * \brief USB endpoint allocations
+ *
+ * This file defines how the endpoints are allocated among the supported USB
+ * device drivers in BeRTOs.
+ *
+ */
+
+#ifndef USB_ENDPOINT_H
+#define USB_ENDPOINT_H
+
+#include "cfg/cfg_usb.h"
+#include "cfg/cfg_usbser.h"
+#include "cfg/cfg_usbkbd.h"
+#include "cfg/cfg_usbmouse.h"
+
+/* Enpoint allocation (according to the compile-time options) */
+enum {
+	USB_CTRL_ENDPOINT = 0, /* This must be always allocated */
+#if (defined(CONFIG_USBSER) && CONFIG_USBSER)
+	USB_SERIAL_EP_REPORT,
+	USB_SERIAL_EP_OUT,
+	USB_SERIAL_EP_IN,
+#endif
+#if (defined(CONFIG_USBKBD) && CONFIG_USBKBD)
+	USB_KBD_EP_REPORT,
+#endif
+#if (defined(CONFIG_USBMOUSE) && CONFIG_USBMOUSE)
+	USB_MOUSE_EP_REPORT,
+#endif
+ /* Number of allocated endpoints */
+#if (CONFIG_USB_EP_MAX == 0)
+	USB_EP_MAX,
+#else
+	USB_EP_MAX = CONFIG_USB_EP_MAX,
+#endif
+};
+
+/*
+ * NOTE: a USB inteface requires at least one endpoint. Moreover, there's the
+ * special endpoint 0. In conclusion, the number of endpoints must be always
+ * greater than the number of interfaces.
+ */
+STATIC_ASSERT(USB_EP_MAX >= CONFIG_USB_INTERFACE_MAX);
+
+#endif /* USB_ENDPOINT_H */