75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2023-04-21 murmur the first version
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*/
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#ifndef APPLICATIONS_TTMSG_TTMSG_H_
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#define APPLICATIONS_TTMSG_TTMSG_H_
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#include <rtthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <dfs_file.h>
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#define FRAME_DATA_LEN_MAX 180
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typedef enum{
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//
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//加密，低2位
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CRY_NONE=0,
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CRY_AES,
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CRY_RSA,
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//压缩，次高2位
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COMP_NONE=(0<<2),
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COMP_QUICK_LZ=(1<<2),//压缩率中等，demo约1/0.62，资源占用少
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COMP_LZMA=(2<<2),//压缩率可能最高，样例报错还未定位，猜测是内存不足
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//数据类型子类，随CTRL_MODE不同而不同，共3位8种
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MODE_0=(0<<4),
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MODE_1=(1<<4),
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//数据类型，最高位
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CTRL_MODE=(0<<7),
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DATA_MODE=(1<<7),
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//
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}fopt_e;
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#pragma pack(1)
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typedef struct{
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//帧头
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//格式是TT厂家确定的，厂家不变则不会变，13字节
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rt_uint8_t fstart[4];//
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rt_uint8_t fnum[2] ;
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rt_uint8_t fbak[2] ;
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rt_uint8_t ftype[2] ;//固定位0x7021
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rt_uint8_t fdlen[2] ;//总数据长度，从ccid开始计算
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rt_uint8_t fcrc[1] ;//
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//数据体，部分自定义
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//目标终端前4字节必须为CCID，厂家定义
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rt_uint8_t ftccid[4] ;//
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//自定义数据，格式如下
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rt_uint8_t findex[6] ;//唯一ID号，索引号：年月日时分秒+1字节随机码 年取后两位（2023即23），随机码为防止RTC复位后时间错乱
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rt_uint8_t fcfg[1] ;//数据类型 |压缩方式|加密方式
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rt_uint8_t fcurpiece[1];//当前分片数
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rt_uint8_t fallpiece[1];//总分片数
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rt_uint8_t fdata[];//当前分片数据，为待发数据
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}MSG;
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rt_uint8_t packMsg(rt_uint8_t *din, rt_uint8_t len, rt_uint8_t *id, rt_uint8_t flag, rt_uint8_t *dout);
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#endif /* APPLICATIONS_TTMSG_TTMSG_H_ */
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