74 lines
2.7 KiB
C
74 lines
2.7 KiB
C
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/**************************************************************************/
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/*!
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@file usbd_pvt.h
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@author hathach
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2018, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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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
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**************************************************************************/
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#ifndef USBD_PVT_H_
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#define USBD_PVT_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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//--------------------------------------------------------------------+
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// INTERNAL API
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//--------------------------------------------------------------------+
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extern osal_semaphore_t usbd_control_xfer_sem_hdl;
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tusb_error_t usbd_init(void);
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void usbd_task( void* param);
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// Carry out Data and Status stage of control transfer
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tusb_error_t usbd_control_xfer_stask(uint8_t port, tusb_dir_t dir, uint8_t * buffer, uint16_t length);
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// Return Status of control transfer
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// Note dir is value of direction bit in setup packet (aka DATA stage direction)
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static inline bool usbd_control_status(uint8_t port, tusb_dir_t dir)
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{
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// status direction is reversed to one in the setup packet
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return tusb_dcd_control_xfer(port, 1-dir, NULL, 0);
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}
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static inline void usbd_control_stall(uint8_t port)
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{
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tusb_dcd_edpt_stall(port, 0);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* USBD_PVT_H_ */
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