66 lines
2.4 KiB
C
66 lines
2.4 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2022, Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#ifndef _TUSB_PRIVATE_H_
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#define _TUSB_PRIVATE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct TU_ATTR_PACKED
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{
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volatile uint8_t busy : 1;
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volatile uint8_t stalled : 1;
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volatile uint8_t claimed : 1;
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}tu_edpt_state_t;
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//--------------------------------------------------------------------+
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// Internal Helper used by Host and Device Stack
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//--------------------------------------------------------------------+
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// Check if endpoint descriptor is valid per USB specs
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bool tu_edpt_validate(tusb_desc_endpoint_t const * desc_ep, tusb_speed_t speed);
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// Bind all endpoint of a interface descriptor to class driver
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void tu_edpt_bind_driver(uint8_t ep2drv[][2], tusb_desc_interface_t const* p_desc, uint16_t desc_len, uint8_t driver_id);
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// Calculate total length of n interfaces (depending on IAD)
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uint16_t tu_desc_get_interface_total_len(tusb_desc_interface_t const* desc_itf, uint8_t itf_count, uint16_t max_len);
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// Claim an endpoint with provided mutex
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bool tu_edpt_claim(tu_edpt_state_t* ep_state, osal_mutex_t mutex);
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// Release an endpoint with provided mutex
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bool tu_edpt_release(tu_edpt_state_t* ep_state, osal_mutex_t mutex);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_PRIVATE_H_ */
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