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  1. #include <iostream>
  2. #include <string.h>
  3.  
  4. uint8_t rfid_id[][8]={
  5.   {0xE1,0xAF,0xE4,0xED,0x50,0x1,0x4,0xE0},//#0
  6.   {0x6C,0x27,0xE1,0xC0,0x50,0x1,0x4,0xE0},//#1
  7.   {0x58,0x2B,0xE1,0xC0,0x50,0x1,0x4,0xE0},//#2
  8.   {0xE5,0x2B,0xE1,0xC0,0x50,0x1,0x4,0xE0},//#3
  9.   {0x7C,0x2B,0xE1,0xC0,0x50,0x1,0x4,0xE0},//#4
  10.  //Loads more
  11. };
  12.  
  13. uint8_t lastUid[] = {0xE1,0xAF,0xE4,0xED,0x50,0x1,0x4,0xE0};
  14.  
  15. void RFIDCompare(){
  16.   for (int i=0; i < 5; i++){
  17.     if (memcmp(lastUid, rfid_id[i], 8) != 0)  {
  18.       printf("Wrong\n");   //degugging information
  19.     }
  20.     else {
  21.       printf("Right\n");  //degugging information
  22.     }
  23.   }
  24. }
  25.  
  26. void RFIDCompare2(){
  27.   for (int i=0; i < 5; i++){
  28.     if (memcmp(lastUid, rfid_id[i], 8) != 0)  {
  29.       printf("Wrong\n");   //degugging information
  30.     }
  31.     else {
  32.       printf("Right, breaking the loop\n");  //degugging information
  33.       break;
  34.     }
  35.   }
  36. }
  37.  
  38.  
  39. int main() {
  40.  
  41. 	RFIDCompare();
  42. 	printf("\n");
  43. 	RFIDCompare2();
  44.  
  45. 	return 0;
  46. }
Success #stdin #stdout 0.01s 5464KB
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stdin
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Standard input is empty
stdout
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Right
Wrong
Wrong
Wrong
Wrong

Right, breaking the loop
https://ideone.com/iHkaI5
language:
C++ 4.3.2 (gcc-4.3.2)
created:
2 years ago
visibility:
secret

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