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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
//--------------------------------------------------------------------+
// Application Callback API (weak is optional)
//--------------------------------------------------------------------+
// Invoked during DFU_MANIFEST_SYNC get status request to check if firmware
// is valid
bool tud_dfu_firmware_valid_check_cb(void);
// Invoked when a DFU_DNLOAD request is received
// This callback takes the wBlockNum chunk of length length and provides it
// to the application at the data pointer. This data is only valid for this
// call, so the app must use it not or copy it.
void tud_dfu_req_dnload_data_cb(uint16_t wBlockNum, uint8_t* data, uint16_t length);
// Must be called when the application is done using the last block of data
// provided by tud_dfu_req_dnload_data_cb
void tud_dfu_dnload_complete(void);
// Invoked during the last DFU_DNLOAD request, signifying that the host believes
// it is done transmitting data.
// Return true if the application agrees there is no more data
// Return false if the device disagrees, which will stall the pipe, and the Host
// should initiate a recovery procedure
bool tud_dfu_device_data_done_check_cb(void);
// Invoked when the Host has terminated a download or upload transfer
TU_ATTR_WEAK void tud_dfu_abort_cb(void);
// Invoked when a DFU_UPLOAD request is received
// This callback must populate data with up to length bytes
// Return the number of bytes to write
uint16_t tud_dfu_req_upload_data_cb(uint16_t block_num, uint8_t* data, uint16_t length);
//--------------------------------------------------------------------+
// 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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