82 lines
3.2 KiB
C
82 lines
3.2 KiB
C
/**************************************************************************/
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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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// for used by usbd_control_xfer_st() only, must not be used directly
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extern osal_semaphore_t _usbd_ctrl_sem;
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//--------------------------------------------------------------------+
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// INTERNAL API
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//--------------------------------------------------------------------+
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tusb_error_t usbd_init(void);
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void usbd_task( void* param);
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// helper to parse an pair of In and Out endpoint descriptors. They must be consecutive
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tusb_error_t usbd_open_edpt_pair(uint8_t rhport, tusb_desc_endpoint_t const* p_desc_ep, uint8_t xfer_type, uint8_t* ep_out, uint8_t* ep_in);
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// Carry out Data and Status stage of control transfer
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//tusb_error_t usbd_control_xfer_st(uint8_t rhport, tusb_dir_t dir, uint8_t * buffer, uint16_t length);
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// Carry out Data and Status stage of control transfer
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// Must be call in a subtask (_st) function
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#define usbd_control_xfer_st(_rhport, _dir, _buffer, _len) \
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do {\
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if (_len) { \
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tusb_error_t err;\
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dcd_control_xfer(_rhport, _dir, _buffer, _len);\
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osal_semaphore_wait( _usbd_ctrl_sem, OSAL_TIMEOUT_CONTROL_XFER, &err );\
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STASK_ASSERT_ERR( err );\
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}\
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/* No need to wait for status to complete therefore */ \
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/* status phase must not call dcd_control_complete/dcd_xfer_complete*/ \
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dcd_control_status(_rhport, _dir);\
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}while(0)
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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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