Decode Status Register into Human-Readable Flags

Code

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

void decode_status(uint8_t status_reg) {
    // Your logic here
    for(int i = 0; i <8; i++)
    {
        if (((status_reg >> i) & 0x01) != 1) continue;
        switch (i)
        {
            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;
        }
    }

}

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