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/*
* The MIT License (MIT)
*
* Copyright (c) 2021 XMOS LIMITED
*
* 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_DFU_DEVICE_H_
#define _TUSB_DFU_DEVICE_H_
#include "dfu.h"
#ifdef __cplusplus
extern "C" {
#endif
//--------------------------------------------------------------------+
// Class Driver Default Configure & Validation
//--------------------------------------------------------------------+
#if !defined(CFG_TUD_DFU_XFER_BUFSIZE)
#error "CFG_TUD_DFU_XFER_BUFSIZE must be defined, it has to be set to the buffer size used in TUD_DFU_DESCRIPTOR"
#endif
//--------------------------------------------------------------------+
// Application API
//--------------------------------------------------------------------+
// Must be called when the application is done with flashing started by
// tud_dfu_download_cb() and tud_dfu_manifest_cb().
// status is DFU_STATUS_OK if successful, any other error status will cause state to enter dfuError
void tud_dfu_finish_flashing(uint8_t status);
//--------------------------------------------------------------------+
// Application Callback API (weak is optional)
//--------------------------------------------------------------------+
// Note: alt is used as the partition number, in order to support multiple partitions like FLASH, EEPROM, etc.
// Invoked right before tud_dfu_download_cb() (state=DFU_DNBUSY) or tud_dfu_manifest_cb() (state=DFU_MANIFEST)
// Application return timeout in milliseconds (bwPollTimeout) for the next download/manifest operation.
// During this period, USB host won't try to communicate with us.
uint32_t tud_dfu_get_timeout_cb(uint8_t alt, uint8_t state);
// Invoked when received DFU_DNLOAD (wLength>0) following by DFU_GETSTATUS (state=DFU_DNBUSY) requests
// This callback could be returned before flashing op is complete (async).
// Once finished flashing, application must call tud_dfu_finish_flashing()
void tud_dfu_download_cb (uint8_t alt, uint16_t block_num, uint8_t const *data, uint16_t length);
// Invoked when download process is complete, received DFU_DNLOAD (wLength=0) following by DFU_GETSTATUS (state=Manifest)
// Application can do checksum, or actual flashing if buffered entire image previously.
// Once finished flashing, application must call tud_dfu_finish_flashing()
void tud_dfu_manifest_cb(uint8_t alt);
// Invoked when received DFU_UPLOAD request
// Application must populate data with up to length bytes and
// Return the number of written bytes
TU_ATTR_WEAK uint16_t tud_dfu_upload_cb(uint8_t alt, uint16_t block_num, uint8_t* data, uint16_t length);
// Invoked when a DFU_DETACH request is received
TU_ATTR_WEAK void tud_dfu_detach_cb(void);
// Invoked when the Host has terminated a download or upload transfer
TU_ATTR_WEAK void tud_dfu_abort_cb(uint8_t alt);
//--------------------------------------------------------------------+
// Internal Class Driver API
//--------------------------------------------------------------------+
void dfu_moded_init(void);
void dfu_moded_reset(uint8_t rhport);
uint16_t dfu_moded_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len);
bool dfu_moded_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
#ifdef __cplusplus
}
#endif
#endif /* _TUSB_DFU_MODE_DEVICE_H_ */
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