71 lines
2.9 KiB
C
71 lines
2.9 KiB
C
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/*!
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\file usbh_hcs.h
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\brief header file for usbh_hcs.c
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\version 2017-06-06, V1.0.0, firmware for GD32F3x0
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\version 2019-06-01, V2.0.0, firmware for GD32F3x0
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*/
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/*
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Copyright (c) 2019, GigaDevice Semiconductor Inc.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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3. Neither the name of the copyright holder nor the names of its contributors
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may be used to endorse or promote products derived from this software without
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specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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OF SUCH DAMAGE.
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*/
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#ifndef USBH_HCS_H
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#define USBH_HCS_H
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#include "usbh_core.h"
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#define HC_MAX 8U
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#define HC_OK 0x0000U
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#define HC_USED 0x8000U
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#define HC_ERROR 0xFFFFU
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#define HC_USED_MASK 0x7FFFU
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/* function declarations */
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/* allocate a new channel for the pipe */
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uint8_t usbh_channel_alloc (usb_core_handle_struct *pudev, uint8_t ep_addr);
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/* free all usb host channel */
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uint8_t usbh_allchannel_dealloc (usb_core_handle_struct *pudev);
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/* free the usb host channel */
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uint8_t usbh_channel_free (usb_core_handle_struct *pudev, uint8_t index);
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/* open a channel */
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uint8_t usbh_channel_open (usb_core_handle_struct *pudev,
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uint8_t channel_num,
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uint8_t dev_addr,
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uint8_t dev_speed,
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uint8_t ep_type,
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uint16_t ep_mps);
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/* modify a channel */
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uint8_t usbh_channel_modify (usb_core_handle_struct *pudev,
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uint8_t channel_num,
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uint8_t dev_addr,
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uint8_t dev_speed,
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uint8_t ep_type,
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uint16_t ep_mps);
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#endif /* USBH_HCS_H */
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