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71 lines
2.8 KiB
C
71 lines
2.8 KiB
C
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/**
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******************************************************************************
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*
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* @file ymodem.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief YModem functions header
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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/*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef YMODEM_H
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#define YMODEM_H
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/* Global Defines */
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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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/* Global Macros */
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#define IS_AF(c) ((c >= 'A') && (c <= 'F'))
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#define IS_af(c) ((c >= 'a') && (c <= 'f'))
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#define IS_09(c) ((c >= '0') && (c <= '9'))
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#define ISVALIDHEX(c) IS_AF(c) || IS_af(c) || IS_09(c)
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#define ISVALIDDEC(c) IS_09(c)
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#define CONVERTDEC(c) (c - '0')
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#define CONVERTHEX_alpha(c) (IS_AF(c) ? (c - 'A'+10) : (c - 'a'+10))
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#define CONVERTHEX(c) (IS_09(c) ? (c - '0') : CONVERTHEX_alpha(c))
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/* Public Functions */
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extern int32_t Ymodem_Receive(uint8_t *buf);
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#endif /* YMODEM_H */
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