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https://gitee.com/Lamdonn/varch.git
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122 lines
3.0 KiB
C
122 lines
3.0 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <float.h>
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#include <math.h>
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#if defined(TEST_TARGET_crc)
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#include <varch/command.h>
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#include <varch/crc.h>
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#else
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#include "init.h"
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#include "command.h"
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#include "crc.h"
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#endif
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uint32_t std_crc(uint8_t* data, uint32_t len, uint32_t index)
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{
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uint32_t crc = 0;
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switch (index)
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{
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case 0: crc = crc4_itu(data, len); break;
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case 1: crc = crc5_epc(data, len); break;
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case 2: crc = crc5_itu(data, len); break;
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case 3: crc = crc5_usb(data, len); break;
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case 4: crc = crc6_itu(data, len); break;
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case 5: crc = crc7_mmc(data, len); break;
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case 6: crc = crc8(data, len); break;
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case 7: crc = crc8_itu(data, len); break;
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case 8: crc = crc8_rohc(data, len); break;
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case 9: crc = crc8_maxim(data, len); break;
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case 10: crc = crc16_ibm(data, len); break;
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case 11: crc = crc16_maxim(data, len); break;
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case 12: crc = crc16_usb(data, len); break;
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case 13: crc = crc16_modbus(data, len); break;
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case 14: crc = crc16_ccitt(data, len); break;
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case 15: crc = crc16_ccitt_false(data, len); break;
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case 16: crc = crc16_x25(data, len); break;
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case 17: crc = crc16_xmodem(data, len); break;
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case 18: crc = crc16_dnp(data, len); break;
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case 19: crc = crc32(data, len); break;
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case 20: crc = crc32_mpeg_2(data, len); break;
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default:
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break;
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}
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return crc;
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}
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static void usage(void)
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{
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printf(
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"Usage: crc [opt] [arg]\n"
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"\n"
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"options:\n"
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" -h Print help\n"
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" -v Print version\n"
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"\n"
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"argument:\n"
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" <read> Test default read function\n"
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" <write> Test default write function\n"
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);
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}
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static int test(int argc, char *argv[])
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{
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/* reset getopt */
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command_opt_init();
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while (1)
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{
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int opt = command_getopt(argc, argv, "hv");
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if (opt == -1) break;
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switch (opt)
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{
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case 'v' :
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printf("crc version %d.%d.%d\r\n", CRC_V_MAJOR, CRC_V_MINOR, CRC_V_PATCH);
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return 0;
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case '?':
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printf("Unknown option `%c`\r\n", command_optopt);
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return -1;
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case 'h' :
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default:
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usage();
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return 0;
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}
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}
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char *testSample[] = {
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"Hello",
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"crc algorithms",
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"123456789",
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};
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uint32_t crc0 = 0, crc1 = 0;
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for (int i = 0; i < sizeof(testSample) / sizeof(testSample[0]); i++)
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{
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printf("testSample %d\r\n", i);
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for (int j = 0; j < sizeof(crcParaModelTable) / sizeof(crcParaModelTable[0]); j++)
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{
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crc0 = std_crc(testSample[i], strlen(testSample[i]), j);
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crc1 = crc(testSample[i], strlen(testSample[i]), &crcParaModelTable[j]);
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printf("crc %02d, crc0 %08X, crc1 %08X, same %d\r\n", j, crc0, crc1, (crc0 == crc1) ? 1 : 0);
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}
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}
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return 0;
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}
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#if defined(TEST_TARGET_crc)
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int main(int argc, char *argv[])
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{
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return test(argc, argv);
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}
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#else
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void test_crc(void)
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{
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command_export("crc", test);
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}
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init_export_app(test_crc);
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#endif
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