96 lines
3.8 KiB
C
96 lines
3.8 KiB
C
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/**************************************************************************/
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/*!
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@file usbd.h
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@author hathach (tinyusb.org)
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2013, 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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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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/** \ingroup group_usbd
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* @{ */
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#ifndef _TUSB_CONTROL_H_
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#define _TUSB_CONTROL_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "tusb.h"
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typedef enum {
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CONTROL_STAGE_SETUP, // Waiting for a setup token.
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CONTROL_STAGE_DATA, // In the process of sending or receiving data.
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CONTROL_STAGE_STATUS // In the process of transmitting the STATUS ZLP.
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} control_stage_t;
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typedef struct {
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control_stage_t current_stage;
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tusb_control_request_t current_request;
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uint16_t total_transferred;
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uint8_t config;
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} control_t;
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CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _shared_control_buffer[64];
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tusb_error_t controld_process_setup_request(uint8_t rhport, tusb_control_request_t const * const p_request);
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// Callback when the configuration of the device is changed.
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tusb_error_t tud_control_set_config_cb(uint8_t rhport, uint8_t config_number);
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tusb_error_t tud_control_interface_control_cb(uint8_t rhport, uint8_t interface, tusb_control_request_t const * const p_request, uint16_t bytes_already_sent);
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//--------------------------------------------------------------------+
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// INTERNAL API
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//--------------------------------------------------------------------+
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void controld_init(void);
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tusb_error_t controld_open(uint8_t rhport, tusb_desc_interface_t const * p_interface_desc, uint16_t *p_length);
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// This tracks the state of a control request.
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tusb_error_t controld_process_setup_request(uint8_t rhport, tusb_control_request_t const * p_request);
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// This handles the actual request and its response.
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tusb_error_t controld_process_control_request(uint8_t rhport, tusb_control_request_t const * p_request, uint16_t bytes_already_sent);
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tusb_error_t controld_xfer_cb(uint8_t rhport, uint8_t edpt_addr, tusb_event_t event, uint32_t xferred_bytes);
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void controld_reset(uint8_t rhport);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_CONTROL_H_ */
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/** @} */
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