79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
/*
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* This file is part of the libusbhost library
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* hosted at http://github.com/libusbhost/libusbhost
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*
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* Copyright (C) 2015 Amir Hammad <amir.hammad@hotmail.com>
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*
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*
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* libusbhost is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef USBH_HUBBED_
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#define USBH_HUBBED_
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#include "usbh_config.h"
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#include <stdint.h>
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#include <stdbool.h>
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/* This must be placed around external function declaration for C++
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* support. */
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#ifdef __cplusplus
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# define BEGIN_DECLS extern "C" {
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# define END_DECLS }
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#else
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# define BEGIN_DECLS
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# define END_DECLS
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#endif
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BEGIN_DECLS
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// set to -1 to unused items
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struct _usbh_dev_driver_info {
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int32_t deviceClass;
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int32_t deviceSubClass;
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int32_t deviceProtocol;
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int32_t idVendor;
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int32_t idProduct;
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int32_t ifaceClass;
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int32_t ifaceSubClass;
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int32_t ifaceProtocol;
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};
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typedef struct _usbh_dev_driver_info usbh_dev_driver_info_t;
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struct _usbh_dev_driver {
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void *(*init)(void *usbh_dev);
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bool (*analyze_descriptor)(void *drv, void *descriptor);
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void (*poll)(void *drvdata, uint32_t time_curr_us);
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void (*remove)(void *drvdata);
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const usbh_dev_driver_info_t * const info;
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};
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typedef struct _usbh_dev_driver usbh_dev_driver_t;
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void usbh_init(const void *drivers[], const usbh_dev_driver_t * const device_drivers[]);
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/**
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* \brief usbh_poll
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* \param time_curr_us - use monotically rising time
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*
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* time_curr_us:
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* * can overflow, in time of this writing, after 1s)
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* * unit is microseconds
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*/
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void usbh_poll(uint32_t time_curr_us);
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END_DECLS
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#endif
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