Decode Status Register into Human-Readable Flags

Code

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

void decode_status(uint8_t status_reg) {
    // Your logic here   1101

    int pos = 0;

    while(status_reg){
        if(pos == 0 && (status_reg&1)){
            printf("Power On\n");
        }else if(pos == 1 && (status_reg&1)){
            printf("Error\n");
        }else if(pos == 2 && (status_reg&1)){
            printf("Tx Ready\n");
        }else if(pos == 3 && (status_reg&1)){
            printf("Rx Ready\n");
        }else if(pos == 4 && (status_reg&1)){
            printf("Overheat\n");
        }else if(pos == 5 && (status_reg&1)){
            printf("Undervoltage\n");
        }else if(pos == 6 && (status_reg&1)){
            printf("Timeout\n");
        }else if(pos == 7 && (status_reg&1)){
            printf("Reserved\n");
        }
        pos++;
        status_reg = status_reg >> 1;
    }
}

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