Decode Status Register into Human-Readable Flags

Code

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

void decode_status(uint8_t reg) {
    // Your logic here
    for(int pos=0 ; pos<8 ; pos++)
    {
        if(reg&1<<pos)
        {
            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;
            }
        }
    }
}

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