Updated HackRF firmware

SoftwareDefined/HackRF/hackrf-2021.03.1/firmware/hackrf_usb/usb_api_sweep.h

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+/*
+ * Copyright 2016 Mike Walters, Dominic Spill
+ *
+ * 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_API_SWEEP_H__
+#define __USB_API_SWEEP_H__
+
+#include <stdbool.h>
+#include <usb_type.h>
+#include <usb_request.h>
+
+enum sweep_style {
+	LINEAR = 0,
+	INTERLEAVED = 1,
+};
+
+usb_request_status_t usb_vendor_request_init_sweep(
+	usb_endpoint_t* const endpoint, const usb_transfer_stage_t stage);
+
+void sweep_mode(void);
+
+#endif /* __USB_API_SWEEP_H__ */