204 lines
6.0 KiB
C
204 lines
6.0 KiB
C
#include "coder_lib.h"
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#include "string.h"
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#include "mystring.h"
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#include "string.h"
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#include "crc.h"
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#include "stdio.h"
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/*
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+-----------------------------------------------------------------------+
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| 管壳码格式(ascii) |
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+-----------------------------------------------------------------------+
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| 13byte |
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+-----------------------------------------------------------------------+
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| 雷管厂代号 | 生产年份 | 生产月份 | 生产日 | 特征号 | 流水号 |
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+------------+------------+------------+----------+----------+----------+
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| 2byte | 1byte | 2byte | 2byte | 1byte | 5byte |
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+-----------------------------------------------------------------------+
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+-----------------------------------------------------------------------+
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| UID码格式(ascii) |
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+-----------------------------------------------------------------------+
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| 16byte |
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+-----------------------------------------------------------------------+
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| 芯片厂代号 | 生产年份 | 雷管厂代号 | 月 | 日 | 特征码 | 盒号 | 序号 |
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+------------+----------+------------+-----+-----+--------+------+------+
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| 2byte | 2byte | 2byte |2byte|2byte| 1byte | 3byte| 2byte|
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+-----------------------------------------------------------------------+
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+-----------------------------------------------------------------------+
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| UID码存储格式(hex) |
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+-----------------------------------------------------------------------+
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| 8byte |
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+-----------------------------------------------------------------------+
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| 芯片厂代号 | 雷管厂代号 | 年月日 | 特征码盒号序号 | crc8 |
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+------------+------------+------------------+-------------------+------+
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| 1byte | 1byte | 2byte(大端) | 3byte(大端) | 1byte|
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+-----------------------------------------------------------------------+
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年月日(ascii)->年月日(hex)
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年(y),月(m),日(d)
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time=((((y[0]-'0')*10)+(y[1]-'0'))<<9)|\
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((((m[0]-'0')*10)+(m[1]-'0'))<<5)|\
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(((d[0]-'0')*10)+(d[1]-'0'))
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特征码盒号序号(ascii)->特征码盒号序号(hex)
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特征码(c),盒号(b),序号(i)
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code=c*10000+((b[0]-'0')*100+(b[1]-'0')*10+(b[2]-'0'))*100+\
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((i[1]-'0')*10+(i[2]-'0'))
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*/
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// 根据管壳码和年份信息生成uid的年份信息
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static int coder_calc_year(const char *year,const char shell_year,char *uid_year)
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{
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int y=0;
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for(int i=0;i<4;i++)
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{
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y*=10;y+=year[i]-'0';
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}
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// year是实时数据，鉴于12月31生产的雷管，year可能不同
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// 此时year-1来保证与uid码上的相同
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if(year[3]!=shell_year)
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y--;
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uid_year[0]=y%100/10+'0';
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uid_year[1]=y%10+'0';
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if(uid_year[1]==shell_year)
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return 0;
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else
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return -1;
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}
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// 管壳码转uid码
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int coder_shell_to_uid(const char *year,const char *shell_code,char *uid_code)
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{
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int ret=0;
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memset(uid_code,0,16);
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// 添加芯片企业代号(2byte)
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memcpy(&uid_code[0],"AD",2);
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// 添加年份(2y=byte)
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ret=coder_calc_year(year,shell_code[2],&uid_code[2]);
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// 添加雷管厂代号(2byte)
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memcpy(&uid_code[4],&shell_code[0],2);
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// 添加月日特征码流水号
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memcpy(&uid_code[6], &shell_code[3],10);
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return ret;
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}
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// 转换hex字符串为一个byte
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static int coder_strhex_to_byte(const char *str_hex)
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{
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char buff[3]={0};
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buff[0]=str_hex[0];
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buff[1]=str_hex[1];
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return str_ahextoi(buff);
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}
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// 转换int字符串为一个整形
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static int coder_strint_to_byte(const char *str_int,int len)
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{
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char buff[10]={0};
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if(len>10) return 0;
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memcpy(buff,str_int,len);
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return str_atoi(buff);
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}
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// uid码转存储码
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int coder_uid_to_save(const char *uid_code,uint8_t *save_code)
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{
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uint16_t ymd=0;
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uint32_t feature=0;
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save_code[0]=coder_strhex_to_byte(&uid_code[0]);
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save_code[1]=coder_strhex_to_byte(&uid_code[4]);
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ymd=coder_strint_to_byte(&uid_code[2],2)<<9;
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ymd|=coder_strint_to_byte(&uid_code[6],2)<<5;
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ymd|=coder_strint_to_byte(&uid_code[8],2);
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save_code[2]=ymd>>8;
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save_code[3]=ymd&0xff;
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feature=uid_code[10]*100000;
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feature+=coder_strint_to_byte(&uid_code[11],3)*100;
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feature+=coder_strint_to_byte(&uid_code[14],2);
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save_code[4]=feature>>16;
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save_code[5]=feature>>8;
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save_code[6]=feature&0xff;
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save_code[7]=crc_crc8(save_code,7);
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return 0;
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}
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// 转换byte为hex字符串
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static int coder_byte_to_strhex(const uint8_t byte,char *str_hex)
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{
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char buff[10]={0};
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sprintf(buff,"%02X",byte);
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str_hex[0]=buff[0];
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str_hex[1]=buff[1];
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return 0;
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}
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// 转换int为int字符串
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static int coder_int_to_strint(const int n,char *str_int,int len)
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{
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char buff[10]={0};
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sprintf(buff,"%05d",n);
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memcpy(str_int,buff+(strlen(buff)-len),len);
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return 0;
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}
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// 存储码转uid
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int coder_save_to_uid(const uint8_t *save_code,char *uid_code)
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{
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uint16_t ymd=0;
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uint32_t feature=0;
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int ret=0;
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if(save_code[7]!=crc_crc8(save_code,7))
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{
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return -1;
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}
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ret|=coder_byte_to_strhex(save_code[0],&uid_code[0]);
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ret|=coder_byte_to_strhex(save_code[1],&uid_code[4]);
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ymd=(save_code[2]<<8)|save_code[3];
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feature=(save_code[4]<<16)|(save_code[5]<<8)|(save_code[6]);
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ret|=coder_int_to_strint(ymd>>9,&uid_code[2],2);
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ret|=coder_int_to_strint((ymd>>5)&0x0f,&uid_code[6],2);
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ret|=coder_int_to_strint((ymd)&0x1f,&uid_code[8],2);
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uid_code[10]=feature/100000;
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ret|=coder_int_to_strint(feature%100000/100,&uid_code[11],3);
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ret|=coder_int_to_strint(feature%100,&uid_code[14],2);
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return ret;
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}
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// uid码转管壳码
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int coder_uid_to_shell(const char *uid_code,char *shell_code)
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{
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memset(shell_code,0,13);
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// 添加雷管厂代号
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memcpy(&shell_code[0],&uid_code[4],2);
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// 添加生产年份
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memcpy(&shell_code[2],&uid_code[3],1);
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// 添加月日特征码流水号
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memcpy(&shell_code[3],&uid_code[6],10);
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return 0;
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}
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