mirror of
https://gitee.com/Lamdonn/varch.git
synced 2025-12-06 16:56:42 +08:00
66 lines
2.0 KiB
C
66 lines
2.0 KiB
C
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <float.h>
|
|
#include <math.h>
|
|
#include "init.h"
|
|
#include "tool.h"
|
|
#include "valloc.h"
|
|
#include "crc.h"
|
|
|
|
uint32_t std_crc(uint8_t* data, uint32_t len, uint32_t index)
|
|
{
|
|
uint32_t crc = 0;
|
|
|
|
switch (index)
|
|
{
|
|
case 0: crc = crc4_itu(data, len); break;
|
|
case 1: crc = crc5_epc(data, len); break;
|
|
case 2: crc = crc5_itu(data, len); break;
|
|
case 3: crc = crc5_usb(data, len); break;
|
|
case 4: crc = crc6_itu(data, len); break;
|
|
case 5: crc = crc7_mmc(data, len); break;
|
|
case 6: crc = crc8(data, len); break;
|
|
case 7: crc = crc8_itu(data, len); break;
|
|
case 8: crc = crc8_rohc(data, len); break;
|
|
case 9: crc = crc8_maxim(data, len); break;
|
|
case 10: crc = crc16_ibm(data, len); break;
|
|
case 11: crc = crc16_maxim(data, len); break;
|
|
case 12: crc = crc16_usb(data, len); break;
|
|
case 13: crc = crc16_modbus(data, len); break;
|
|
case 14: crc = crc16_ccitt(data, len); break;
|
|
case 15: crc = crc16_ccitt_false(data, len); break;
|
|
case 16: crc = crc16_x25(data, len); break;
|
|
case 17: crc = crc16_xmodem(data, len); break;
|
|
case 18: crc = crc16_dnp(data, len); break;
|
|
case 19: crc = crc32(data, len); break;
|
|
case 20: crc = crc32_mpeg_2(data, len); break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return crc;
|
|
}
|
|
|
|
static void test(void)
|
|
{
|
|
char *testSample[] = {
|
|
"Hello",
|
|
"crc algorithms",
|
|
"123456789",
|
|
};
|
|
uint32_t crc0 = 0, crc1 = 0;
|
|
|
|
for (int i = 0; i < sizeof(testSample) / sizeof(testSample[0]); i++)
|
|
{
|
|
printf("testSample %d\r\n", i);
|
|
for (int j = 0; j < sizeof(crcParaModelTable) / sizeof(crcParaModelTable[0]); j++)
|
|
{
|
|
crc0 = std_crc(testSample[i], strlen(testSample[i]), j);
|
|
crc1 = crc(testSample[i], strlen(testSample[i]), &crcParaModelTable[j]);
|
|
printf("crc %02d, crc0 %08X, crc1 %08X, same %d\r\n", j, crc0, crc1, (crc0 == crc1) ? 1 : 0);
|
|
}
|
|
}
|
|
}
|
|
init_export_app(test);
|