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/*
* The MIT License (MIT)
*
* Copyright (c) 2018, hathach (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 USBD_PVT_H_
#define USBD_PVT_H_
#include "osal/osal.h"
#include "common/tusb_fifo.h"
#ifdef __cplusplus
extern "C" {
#endif
// Either point to tud_desc_set or usbd_auto_desc_set depending on CFG_TUD_DESC_AUTO
extern tud_desc_set_t const* usbd_desc_set;
//--------------------------------------------------------------------+
// INTERNAL API for stack management
//--------------------------------------------------------------------+
bool usbd_init (void);
// Carry out Data and Status stage of control transfer
// - If len = 0, it is equivalent to sending status only
// - If len > wLength : it will be truncated
bool usbd_control_xfer(uint8_t rhport, tusb_control_request_t const * request, void* buffer, uint16_t len);
// Send STATUS (zero length) packet
bool usbd_control_status(uint8_t rhport, tusb_control_request_t const * request);
void usbd_edpt_stall(uint8_t rhport, uint8_t ep_addr);
void usbd_edpt_clear_stall(uint8_t rhport, uint8_t ep_addr);
bool usbd_edpt_stalled(uint8_t rhport, uint8_t ep_addr);
/*------------------------------------------------------------------*/
/* Helper
*------------------------------------------------------------------*/
// helper to parse an pair of In and Out endpoint descriptors. They must be consecutive
bool 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);
void usbd_defer_func( osal_task_func_t func, void* param, bool in_isr );
#ifdef __cplusplus
}
#endif
#endif /* USBD_PVT_H_ */
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