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