hackrf

/*
 * Copyright 2012-2022 Great Scott Gadgets <info@greatscottgadgets.com>
 * 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_H__
#define __USB_H__

// TODO: Refactor to support high performance operations without having to
// expose usb_transfer_descriptor_t. Or usb_endpoint_prime(). Or, or, or...
#include <libopencm3/lpc43xx/usb.h>

#include "usb_type.h"

void usb_peripheral_reset(void);
void usb_phy_enable(void);

void usb_device_init(const uint_fast8_t device_ordinal, usb_device_t* const device);

void usb_run(usb_device_t* const device);

void usb_run_tasks(const usb_device_t* const device);

usb_speed_t usb_speed(const usb_device_t* const device);

void usb_set_address_immediate(
	const usb_device_t* const device,
	const uint_fast8_t address);

void usb_set_address_deferred(
	const usb_device_t* const device,
	const uint_fast8_t address);

usb_endpoint_t* usb_endpoint_from_address(const uint_fast8_t endpoint_address);

void usb_endpoint_init(const usb_endpoint_t* const endpoint, const bool enable_zlp);

void usb_endpoint_stall(const usb_endpoint_t* const endpoint);

void usb_endpoint_disable(const usb_endpoint_t* const endpoint);

void usb_endpoint_reset_data_toggle(const usb_endpoint_t* const endpoint);

void usb_endpoint_flush(const usb_endpoint_t* const endpoint);

bool usb_endpoint_is_ready(const usb_endpoint_t* const endpoint);

void usb_endpoint_prime(
	const usb_endpoint_t* const endpoint,
	usb_transfer_descriptor_t* const first_td);

void usb_endpoint_schedule_wait(
	const usb_endpoint_t* const endpoint,
	usb_transfer_descriptor_t* const td);

void usb_endpoint_schedule_append(
	const usb_endpoint_t* const endpoint,
	usb_transfer_descriptor_t* const tail_td,
	usb_transfer_descriptor_t* const new_td);

#endif //__USB_H__