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Decode Status Register into Human-Readable Flags

Code

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

void decode_status(uint8_t status_reg) {
    // Your logic here
    uint8_t mask = 0x01;
    uint8_t number=status_reg;
    int i;
    for(i=1;i<=8;i++){
        uint8_t find=(number&mask);
        if(find==1){
            switch (i){
                case 1:
      printf("Power On\n");
      break;
      case 2:
      printf("Error\n");
      break;
      case 3:
      printf("Tx Ready\n");
      break;
      case 4:
      printf("Rx Ready\n");
      break;
      case 5:
      printf("Overheat\n");
      break;
      case 6: 
      printf("Undervoltage\n");
      break;
      case 7:
      printf("Timeout\n");
      break;
      case 8:
      printf("Reserved\n");
      break;
            }

        }
        uint8_t skip = status_reg>>i;
        number=skip;
    }
}

int main() {
    uint8_t reg;
    scanf("%hhu", &reg);
    decode_status(reg);
    return 0;
}

Solving Approach

 

 

 

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Input

13

Expected Output

Power On Tx Ready Rx Ready