mbed_example / Mbed OS CRC_partial_example

Example to show the usage of compute_partial API from CRC class.

main.cpp@1:77ae554366b9, 2018-01-02 (annotated)

Committer:
deepikabhavnani
Date:
Tue Jan 02 15:49:06 2018 +0000
Revision:
1:77ae554366b9
Parent:
0:8e16fea6a7d2
Child:
2:834c44916a38
No template class for CRC

Who changed what in which revision?

UserRevisionLine numberNew contents of line
deepikabhavnani 0:8e16fea6a7d2 1 #include "mbed.h"
deepikabhavnani 0:8e16fea6a7d2 2 #include "FastCRC.h"
deepikabhavnani 0:8e16fea6a7d2 3
deepikabhavnani 0:8e16fea6a7d2 4 int main() {
deepikabhavnani 1:77ae554366b9 5 FastCRC ct(CRC_32BIT);
deepikabhavnani 0:8e16fea6a7d2 6
deepikabhavnani 0:8e16fea6a7d2 7 char test[] = "123456789";
deepikabhavnani 0:8e16fea6a7d2 8 uint32_t crc;
deepikabhavnani 0:8e16fea6a7d2 9
deepikabhavnani 0:8e16fea6a7d2 10 ct.init();
deepikabhavnani 0:8e16fea6a7d2 11 ct.compute((void *)test, strlen((const char*)test), &crc);
deepikabhavnani 0:8e16fea6a7d2 12
deepikabhavnani 0:8e16fea6a7d2 13 printf("The CRC of 0x%x \"123456789\" is \"0xCBF43926\" Result: 0x%x\n",
deepikabhavnani 0:8e16fea6a7d2 14 ct.get_polynomial(), crc);
deepikabhavnani 0:8e16fea6a7d2 15
deepikabhavnani 0:8e16fea6a7d2 16
deepikabhavnani 0:8e16fea6a7d2 17 ct.compute_partial_start(&crc);
deepikabhavnani 0:8e16fea6a7d2 18 ct.compute_partial((void *)&test, 4, &crc);
deepikabhavnani 0:8e16fea6a7d2 19 ct.compute_partial((void *)&test[4], 5, &crc);
deepikabhavnani 0:8e16fea6a7d2 20 ct.compute_partial_stop(&crc);
deepikabhavnani 0:8e16fea6a7d2 21
deepikabhavnani 0:8e16fea6a7d2 22 printf("The CRC of 0x%x \"123456789\" is \"0xCBF43926\" Result: 0x%x\n",
deepikabhavnani 0:8e16fea6a7d2 23 ct.get_polynomial(), crc);
deepikabhavnani 0:8e16fea6a7d2 24
deepikabhavnani 0:8e16fea6a7d2 25 ct.deinit();
deepikabhavnani 0:8e16fea6a7d2 26 return 0;
deepikabhavnani 0:8e16fea6a7d2 27 }