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/*
* Copyright (c) 2011, NVIDIA CORPORATION
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of NVIDIA CORPORATION nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef USB_H
#define USB_H
#include <stdbool.h>
#include <libusb.h>
#if defined(LIBUSBX_API_VERSION) && (LIBUSBX_API_VERSION >= 0x01000102)
#define HAVE_USB_PORT_MATCH
#define PORT_MATCH_MAX_PORTS 7
#endif
#define USB_VENID_NVIDIA 0x955
#define USB_DEVID_NVIDIA_TEGRA20 0x20
#define USB_DEVID_NVIDIA_TEGRA30 0x30
#define USB_DEVID_NVIDIA_TEGRA114 0x35
#define USB_DEVID_NVIDIA_TEGRA124 0x40
typedef struct {
libusb_device_handle *handle;
uint8_t iface_num;
uint8_t endpt_in;
uint8_t endpt_out;
int initialized;
} usb_device_t;
usb_device_t *usb_open(uint16_t venid, uint16_t *devid
#ifdef HAVE_USB_PORT_MATCH
,
bool *match_port, uint8_t *match_bus, uint8_t *match_ports,
int *match_ports_len
#endif
);
void usb_close(usb_device_t *usb);
int usb_write(usb_device_t *usb, uint8_t *buf, int len);
int usb_read(usb_device_t *usb, uint8_t *buf, int len, int *actual_len);
#endif // USB_H
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