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76 lines
3.4 KiB
C
76 lines
3.4 KiB
C
/**
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******************************************************************************
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* @file ymodem.c
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* @author William Xu
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* @version V2.0.0
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* @date 05-Oct-2014
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* @brief This file provides all the software function headers related to the
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* Ymodem protocol.
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******************************************************************************
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*
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* The MIT License
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* Copyright (c) 2014 MXCHIP Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
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* IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __YMODEM_H_
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#define __YMODEM_H_
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/* Includes ------------------------------------------------------------------*/
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#include "platform.h"
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#include "common.h"
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/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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/* Exported macro ------------------------------------------------------------*/
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#define PACKET_SEQNO_INDEX (1)
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#define PACKET_SEQNO_COMP_INDEX (2)
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#define PACKET_HEADER (3)
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#define PACKET_TRAILER (2)
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#define PACKET_OVERHEAD (PACKET_HEADER + PACKET_TRAILER)
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#define PACKET_SIZE (128)
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#define PACKET_1K_SIZE (1024)
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#define FILE_NAME_LENGTH (256)
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#define FILE_SIZE_LENGTH (16)
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#define SOH (0x01) /* start of 128-byte data packet */
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#define STX (0x02) /* start of 1024-byte data packet */
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#define EOT (0x04) /* end of transmission */
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#define ACK (0x06) /* acknowledge */
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#define NAK (0x15) /* negative acknowledge */
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#define CA (0x18) /* two of these in succession aborts transfer */
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#define CRC16 (0x43) /* 'C' == 0x43, request 16-bit CRC */
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#define ABORT1 (0x41) /* 'A' == 0x41, abort by user */
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#define ABORT2 (0x61) /* 'a' == 0x61, abort by user */
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#define NAK_TIMEOUT (1000)
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#define MAX_ERRORS (20)
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/* Exported functions ------------------------------------------------------- */
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int32_t Ymodem_Receive (uint8_t *buf, mico_flash_t flash, uint32_t flashdestination, int32_t maxRecvSize);
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uint8_t Ymodem_Transmit (mico_flash_t, uint32_t, const uint8_t* , uint32_t );
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#endif /* __YMODEM_H_ */
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