Initial commit of files

SoftwareDefined/HackRF/hackrf-2015.07.2/firmware/common/usb_request.h

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+/*
+ * Copyright 2012 Jared Boone
+ *
+ * This file is part of HackRF.
+ *
+ * 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, 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; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __USB_REQUEST_H__
+#define __USB_REQUEST_H__
+
+#include "usb_type.h"
+
+typedef enum {
+	USB_RESPONSE_NONE,
+	USB_RESPONSE_IN,
+	USB_RESPONSE_OUT,
+	USB_RESPONSE_STALL,
+} usb_endpoint_type_t;
+
+typedef enum {
+	USB_TRANSFER_STAGE_SETUP,
+	USB_TRANSFER_STAGE_DATA,
+	USB_TRANSFER_STAGE_STATUS,
+} usb_transfer_stage_t;
+
+typedef enum {
+	USB_REQUEST_STATUS_OK = 0,
+	USB_REQUEST_STATUS_STALL = 1,
+} usb_request_status_t;
+	
+typedef usb_request_status_t (*usb_request_handler_fn)(
+	usb_endpoint_t* const endpoint,
+	const usb_transfer_stage_t stage
+);
+
+typedef struct {
+	usb_request_handler_fn standard;
+	usb_request_handler_fn class;
+	usb_request_handler_fn vendor;
+	usb_request_handler_fn reserved;
+} usb_request_handlers_t;
+
+extern const usb_request_handlers_t usb_request_handlers;
+
+void usb_setup_complete(
+	usb_endpoint_t* const endpoint
+);
+
+void usb_control_in_complete(
+	usb_endpoint_t* const endpoint
+);
+
+void usb_control_out_complete(
+	usb_endpoint_t* const endpoint
+);
+
+#endif//__USB_REQUEST_H__