编辑代码

#include <stdio.h>
#include <stdint.h>

const uint16_t CRC16_Tab[256] =
    {/* CRC 余式表 */
     0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50a5, 0x60c6, 0x70e7,
     0x8108, 0x9129, 0xa14a, 0xb16b, 0xc18c, 0xd1ad, 0xe1ce, 0xf1ef,
     0x1231, 0x0210, 0x3273, 0x2252, 0x52b5, 0x4294, 0x72f7, 0x62d6,
     0x9339, 0x8318, 0xb37b, 0xa35a, 0xd3bd, 0xc39c, 0xf3ff, 0xe3de,
     0x2462, 0x3443, 0x0420, 0x1401, 0x64e6, 0x74c7, 0x44a4, 0x5485,
     0xa56a, 0xb54b, 0x8528, 0x9509, 0xe5ee, 0xf5cf, 0xc5ac, 0xd58d,
     0x3653, 0x2672, 0x1611, 0x0630, 0x76d7, 0x66f6, 0x5695, 0x46b4,
     0xb75b, 0xa77a, 0x9719, 0x8738, 0xf7df, 0xe7fe, 0xd79d, 0xc7bc,
     0x48c4, 0x58e5, 0x6886, 0x78a7, 0x0840, 0x1861, 0x2802, 0x3823,
     0xc9cc, 0xd9ed, 0xe98e, 0xf9af, 0x8948, 0x9969, 0xa90a, 0xb92b,
     0x5af5, 0x4ad4, 0x7ab7, 0x6a96, 0x1a71, 0x0a50, 0x3a33, 0x2a12,
     0xdbfd, 0xcbdc, 0xfbbf, 0xeb9e, 0x9b79, 0x8b58, 0xbb3b, 0xab1a,
     0x6ca6, 0x7c87, 0x4ce4, 0x5cc5, 0x2c22, 0x3c03, 0x0c60, 0x1c41,
     0xedae, 0xfd8f, 0xcdec, 0xddcd, 0xad2a, 0xbd0b, 0x8d68, 0x9d49,
     0x7e97, 0x6eb6, 0x5ed5, 0x4ef4, 0x3e13, 0x2e32, 0x1e51, 0x0e70,
     0xff9f, 0xefbe, 0xdfdd, 0xcffc, 0xbf1b, 0xaf3a, 0x9f59, 0x8f78,
     0x9188, 0x81a9, 0xb1ca, 0xa1eb, 0xd10c, 0xc12d, 0xf14e, 0xe16f,
     0x1080, 0x00a1, 0x30c2, 0x20e3, 0x5004, 0x4025, 0x7046, 0x6067,
     0x83b9, 0x9398, 0xa3fb, 0xb3da, 0xc33d, 0xd31c, 0xe37f, 0xf35e,
     0x02b1, 0x1290, 0x22f3, 0x32d2, 0x4235, 0x5214, 0x6277, 0x7256,
     0xb5ea, 0xa5cb, 0x95a8, 0x8589, 0xf56e, 0xe54f, 0xd52c, 0xc50d,
     0x34e2, 0x24c3, 0x14a0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405,
     0xa7db, 0xb7fa, 0x8799, 0x97b8, 0xe75f, 0xf77e, 0xc71d, 0xd73c,
     0x26d3, 0x36f2, 0x0691, 0x16b0, 0x6657, 0x7676, 0x4615, 0x5634,
     0xd94c, 0xc96d, 0xf90e, 0xe92f, 0x99c8, 0x89e9, 0xb98a, 0xa9ab,
     0x5844, 0x4865, 0x7806, 0x6827, 0x18c0, 0x08e1, 0x3882, 0x28a3,
     0xcb7d, 0xdb5c, 0xeb3f, 0xfb1e, 0x8bf9, 0x9bd8, 0xabbb, 0xbb9a,
     0x4a75, 0x5a54, 0x6a37, 0x7a16, 0x0af1, 0x1ad0, 0x2ab3, 0x3a92,
     0xfd2e, 0xed0f, 0xdd6c, 0xcd4d, 0xbdaa, 0xad8b, 0x9de8, 0x8dc9,
     0x7c26, 0x6c07, 0x5c64, 0x4c45, 0x3ca2, 0x2c83, 0x1ce0, 0x0cc1,
     0xef1f, 0xff3e, 0xcf5d, 0xdf7c, 0xaf9b, 0xbfba, 0x8fd9, 0x9ff8,
     0x6e17, 0x7e36, 0x4e55, 0x5e74, 0x2e93, 0x3eb2, 0x0ed1, 0x1ef0};


// CRC计算方式B
uint16_t Calc_CRC16_B_Mode(uint8_t *CRC_Data, uint32_t Len0, uint32_t Len)
{
    uint16_t CRC_Sum;
    uint8_t Temp_da;
    CRC_Sum = 0;
    for (uint32_t i = 0; i < Len; i++)
    {
        Temp_da = (uint8_t)(CRC_Sum / 256);             //   8 位二进制数的形式暂存CRC 的高8 
        CRC_Sum <<= 8;                                  //  左移 8 位,相当于CRC 的低8 位乘以28
        CRC_Sum ^= CRC16_Tab[Temp_da ^ CRC_Data[Len0]]; //   8 位和当前字节相加后再查表求CRC ,再加上以前的CRC
        Len0++;
    }
    return (CRC_Sum);
}


int main () 
{
    //广告查询命令
//    uint8_t test_str[]={ 0x40 ,0x40 ,0x63 ,
//     0x30 ,0x30 ,0x30 ,0x45 ,0x30 ,0x30 ,0x30 ,0x36 ,0x30 ,0x31 ,0x30 ,0x30 ,0x30 ,0x31 ,
//     0x35 ,0x30 ,0x42 ,0x41 ,0x1A ,0x0D ,0x0A};

    // //删除指定广告命令
    // uint8_t test_str[]={ 0x40,0x40,0x63,0x30,0x30,0x31,0x36,
    // 0x30,0x30,0x30,0x36,0x30,0x33,0x30,0x30,0x30,0x31,
    // 0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x31,0x30,0x30,0x30,0x31,//广告ID 广告CRC
    // 0x31,0x35,0x42,0x46,0x1A,0x0D,0x0A};

    // //删除所有广告命令
    // uint8_t test_str[]={ 0x40,0x40,0x63,0x30,0x30,0x30,0x41,
    // 0x30,0x30,0x30,0x36,0x30,0x32,0x30,0x30,0x30,0x31,
    // 0x45,0x46,0x32,0x46,0x1A,0x0D,0x0A};

    //下载广告命令
    // uint8_t test_str[]={ 0x40,0x40,0x63,0x30,0x30,0x32,0x39,
    // 0x30,0x30,0x30,0x36,0x30,0x30,0x30,0x30,0x30,0x31,    
    // 0x32,0x38,0x68,0x74,0x74,0x70,0x3A,0x2F,0x2F,0x31,0x38,0x33,0x2E,0x31,0x39,0x36,
    // 0x2E,0x31,0x35,0x33,0x2E,0x31,0x31,0x3A,0x32,0x32,0x30,0x32,0x31,0x2F,0x30,
    // 0x32,0x46,0x38,0x44,0x1A,0x0D,0x0A};
    

//     //节目查询指令
//    uint8_t test_str[]=  0x40 ,0x40 ,0x63 ,
//     0x30 ,0x30 ,0x31 ,0x36 ,0x30 ,0x30 ,0x30 ,0x37 ,0x30 ,0x31 ,0x30 ,0x30 ,0x30 ,0x31 ,
//     0x31,0x30,0x30,0x30,0x30,0x30,0x31,0x31,0x30,0x30,0x33,0x30,
    
//     0x45 ,0x38 ,0x44 ,0x42 ,0x1A ,0x0D ,0x0A};

  //时间校准指令
//    uint8_t test_str[]= { 0x40 ,0x40 ,0x63 ,    0x30 ,0x30 ,0x30 ,0x41

//    ,0x30 ,0x30 ,0x30 ,0x39 ,0x30 ,0x30 ,0x30 ,0x30 ,0x30 ,0x31 ,
   
//     0x41 ,0x38 ,0x46 ,0x38 ,0x1A ,0x0D ,0x0A};


// 0      00 00
// 7200   1C 20
// 14400  38 40
// 21600  54 60
// 28800  70 80
// 36000  8C A0
// 43200  A8 C0
// 50400  CE 40

// 86400 00 01 51 80
  

   uint8_t test_str[]= {0xAA,0x55,0x00,0x16,0x91,0x00,0x00,0x01,0x31,0x00,0x00,0x00,0x00,0x00,0x01,0x51,
   0x80,0x01,0x00,0x00,0x00,0x09,0x00,0x00,0x00,0x0A,0x79,0x45,0xAA,0x55};
printf("test_str_len=%d\n",sizeof(test_str));

uint8_t cmd_crc[8][128]={
{0x40,0x40,0x63,0x30,0x30,0x33,0x35,0x30,0x30,0x30,0x37,0x30,0x30,0x30,0x30,0x30,0x31,0x31,0x43,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x31,0x38,0x33,0x2e,0x31,0x39,0x36,0x2e,0x31,0x35,0x33,0x2e,0x31,0x31,0x3a,0x32,0x32,0x30,0x32,0x31,0x2f,0x39,0x31,0x30,0x30,0x30,0x30,0x30,0x31,0x37,0x39,0x34,0x35,0x31,0x36,0x39,0x34,0x37,0x1A,0x0D,0x0A},
{0x40,0x40,0x63,0x30,0x30,0x33,0x35,0x30,0x30,0x30,0x37,0x30,0x30,0x30,0x30,0x30,0x31,0x31,0x43,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x31,0x38,0x33,0x2e,0x31,0x39,0x36,0x2e,0x31,0x35,0x33,0x2e,0x31,0x31,0x3a,0x32,0x32,0x30,0x32,0x31,0x2f,0x39,0x31,0x30,0x30,0x30,0x30,0x30,0x32,0x42,0x41,0x35,0x43,0x31,0x43,0x42,0x30,0x46,0x1A,0x0D,0x0A},
{0x40,0x40,0x63,0x30,0x30,0x33,0x35,0x30,0x30,0x30,0x37,0x30,0x30,0x30,0x30,0x30,0x31,0x31,0x43,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x31,0x38,0x33,0x2e,0x31,0x39,0x36,0x2e,0x31,0x35,0x33,0x2e,0x31,0x31,0x3a,0x32,0x32,0x30,0x32,0x31,0x2f,0x39,0x31,0x30,0x30,0x30,0x30,0x30,0x33,0x42,0x42,0x44,0x42,0x31,0x43,0x39,0x37,0x41,0x1A,0x0D,0x0A},
{0x40,0x40,0x63,0x30,0x30,0x33,0x35,0x30,0x30,0x30,0x37,0x30,0x30,0x30,0x30,0x30,0x31,0x31,0x43,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x31,0x38,0x33,0x2e,0x31,0x39,0x36,0x2e,0x31,0x35,0x33,0x2e,0x31,0x31,0x3a,0x32,0x32,0x30,0x32,0x31,0x2f,0x39,0x31,0x30,0x30,0x30,0x30,0x30,0x34,0x31,0x35,0x37,0x39,0x31,0x42,0x34,0x43,0x43,0x1A,0x0D,0x0A},
{0x40,0x40,0x63,0x30,0x30,0x33,0x35,0x30,0x30,0x30,0x37,0x30,0x30,0x30,0x30,0x30,0x31,0x31,0x43,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x31,0x38,0x33,0x2e,0x31,0x39,0x36,0x2e,0x31,0x35,0x33,0x2e,0x31,0x31,0x3a,0x32,0x32,0x30,0x32,0x31,0x2f,0x39,0x31,0x30,0x30,0x30,0x30,0x30,0x35,0x30,0x39,0x35,0x44,0x31,0x30,0x34,0x36,0x41,0x1A,0x0D,0x0A},
{0x40,0x40,0x63,0x30,0x30,0x33,0x35,0x30,0x30,0x30,0x37,0x30,0x30,0x30,0x30,0x30,0x31,0x31,0x43,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x31,0x38,0x33,0x2e,0x31,0x39,0x36,0x2e,0x31,0x35,0x33,0x2e,0x31,0x31,0x3a,0x32,0x32,0x30,0x32,0x31,0x2f,0x39,0x31,0x30,0x30,0x30,0x30,0x30,0x36,0x36,0x34,0x30,0x39,0x31,0x41,0x42,0x37,0x43,0x1A,0x0D,0x0A},
{0x40,0x40,0x63,0x30,0x30,0x33,0x35,0x30,0x30,0x30,0x37,0x30,0x30,0x30,0x30,0x30,0x31,0x31,0x43,0x68,0x74,0x74,0x70,0x3a,0x2f,0x2f,0x31,0x38,0x33,0x2e,0x31,0x39,0x36,0x2e,0x31,0x35,0x33,0x2e,0x31,0x31,0x3a,0x32,0x32,0x30,0x32,0x31,0x2f,0x39,0x31,0x30,0x30,0x30,0x30,0x30,0x37,0x38,0x36,0x38,0x31,0x31,0x45,0x43,0x31,0x34,0x1A,0x0D,0x0A}
};


uint8_t item_id[7][128] =
{
    // 节目ID:91000001
{0xAA, 0x55, 0x00, 0x16, 0x91, 0x00, 0x00, 0x01, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x51, 0x80, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0A, 0x79, 0x45, 0xAA, 0x55},
// 节目ID:91000002
{0xAA, 0x55, 0x00, 0x16, 0x91, 0x00, 0x00, 0x02, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1C, 0x20, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0A, 0xBA, 0x5C, 0xAA, 0x55},
// 节目ID:91000003
{0xAA, 0x55, 0x00, 0x16, 0x91, 0x00, 0x00, 0x03, 0x31, 0x00, 0x00, 0x1C, 0x20, 0x00, 0x00, 0x38, 0x40, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0A, 0xBB, 0xDB, 0xAA, 0x55},
// 节目ID:91000004
{0xAA, 0x55, 0x00, 0x16, 0x91, 0x00, 0x00, 0x04, 0x31, 0x00, 0x00, 0x38, 0x40, 0x00, 0x00, 0x54, 0x60, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0A, 0x15, 0x79, 0xAA, 0x55},
// 节目ID:91000005
{0xAA, 0x55, 0x00, 0x16, 0x91, 0x00, 0x00, 0x05, 0x31, 0x00, 0x00, 0x54, 0x60, 0x00, 0x00, 0x70, 0x80, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0A, 0x09, 0x5D, 0xAA, 0x55},
// 节目ID:91000006
{0xAA, 0x55, 0x00, 0x16, 0x91, 0x00, 0x00, 0x06, 0x31, 0x00, 0x00, 0x70, 0x80, 0x00, 0x00, 0x8C, 0xA0, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0A, 0x64, 0x09, 0xAA, 0x55},
// 节目ID:91000007
{0xAA, 0x55, 0x00, 0x16, 0x91, 0x00, 0x00, 0x07, 0x31, 0x00, 0x00, 0x8C, 0xA0, 0x00, 0x00, 0xA8, 0xC0, 0x01, 0x00, 0x00, 0x00, 0x09, 0x00, 0x00, 0x00, 0x0A, 0x55, 0x9D, 0xAA, 0x55}};

    // uint16_t crc =  Calc_CRC16_B_Mode(test_str,0,sizeof(test_str)-4);

for(int i=0;i<7;i++)
{
    uint16_t crc =  Calc_CRC16_B_Mode(cmd_crc[i],3,strlen(cmd_crc[i])-10);
    printf("sizeof(cmd_crc)=%d,crc=%04X ",strlen(cmd_crc[i]), crc);

     crc =  Calc_CRC16_B_Mode(item_id[i],0,26);
    printf("crc=%04X\n", crc);
}
    return 0;
}