Decode Status Register into Human-Readable Flags

Code

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

void decode_status(uint8_t status_reg) {
    // Your logic here
    int pos = 0;
    while(pos<=7)
    {
        if(status_reg>>pos & 1)
        {
           switch(pos)
           {
            case 0:
                {
                 printf("Power On\n");
                 break;
                } 
             case 1:
                {
                 printf("Error\n");
                 break;
                } 
             case 2:
                {
                 printf("Tx Ready\n");
                 break;
                }
             case 3:
                {
                 printf("Rx Ready\n");
                 break;
                }
             case 4:
                {
                 printf("Overheat\n");
                 break;
                }
             case 5:
                {
                 printf("Undervoltage\n");
                 break;
                }
             case 6:
                {
                 printf("Timeout\n");
                 break;
                }
             case 7:
                {
                 printf("Reserved\n");
                 break; 
                } 
             default:
                {
                 printf("Unknown\n"); 
                 break;
                }                                      
           }
           
        }

        pos++;

    }
}

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