/**
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******************************************************************************
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* @file STM32F0xx_IAP/inc/ymodem.h
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* @author MCD Application Team
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* @version V1.0.0
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* @date 29-May-2012
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* @brief Header for main.c module
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2012 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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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 "stdint.h"
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/* Exported types ------------------------------------------------------------*/
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/* Exported constants --------------------------------------------------------*/
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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 (0x100000)
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#define MAX_ERRORS (5)
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions ------------------------------------------------------- */
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int32_t Ymodem_Receive (uint8_t *);
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uint8_t Ymodem_Transmit (uint8_t *,const uint8_t* , uint32_t );
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uint16_t UpdateCRC16(uint16_t crcIn, uint8_t byte);
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uint16_t Cal_CRC16(const uint8_t* data, uint32_t size);
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uint8_t CalChecksum(const uint8_t* data, uint32_t size);
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int32_t Ymodem_CheckResponse(uint8_t c);
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void Ymodem_PrepareIntialPacket(uint8_t *data, const uint8_t* fileName, uint32_t *length);
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void Ymodem_PreparePacket(uint8_t *SourceBuf, uint8_t *data, uint8_t pktNo, uint32_t sizeBlk);
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void Ymodem_SendPacket(uint8_t *data, uint16_t length);
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uint32_t Send_Byte (uint8_t c);
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#endif /* _YMODEM_H_ */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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