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/*
* This file is part of the libusbhost library
* hosted at http://github.com/libusbhost/libusbhost
*
* Copyright (C) 2015 Amir Hammad <amir.hammad@hotmail.com>
*
*
* libusbhost is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef USBH_HUBBED_
#define USBH_HUBBED_
#include "usbh_config.h"
#include <stdint.h>
/* This must be placed around external function declaration for C++
* support. */
#ifdef __cplusplus
# define BEGIN_DECLS extern "C" {
# define END_DECLS }
#else
# define BEGIN_DECLS
# define END_DECLS
#endif
BEGIN_DECLS
#ifndef bool
#define bool _Bool
#define false 0
#define true 1
#endif
// set to -1 to unused items
struct _usbh_dev_driver_info {
int32_t deviceClass;
int32_t deviceSubClass;
int32_t deviceProtocol;
int32_t idVendor;
int32_t idProduct;
int32_t ifaceClass;
int32_t ifaceSubClass;
int32_t ifaceProtocol;
};
typedef struct _usbh_dev_driver_info usbh_dev_driver_info_t;
struct _usbh_dev_driver {
bool (*analyze_descriptor)(void *drv, void *descriptor);
void *(*init)(void *usbh_dev);
void (*poll)(void *drvdata, uint32_t time_curr_us);
void (*remove)(void *drvdata);
const usbh_dev_driver_info_t * const info;
};
typedef struct _usbh_dev_driver usbh_dev_driver_t;
void usbh_init(const void *drivers[], const usbh_dev_driver_t * const device_drivers[]);
/**
* \brief usbh_poll
* \param time_curr_us - use monotically rising time
*
* time_curr_us:
* * can overflow, in time of this writing, after 1s)
* * unit is microseconds
*/
void usbh_poll(uint32_t time_curr_us);
END_DECLS
#endif
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