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 flag=0;
    while(status_reg > 0){
        if(status_reg%2==1){
            switch(flag){
                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;
            }
        }
        status_reg /= 2;
        flag += 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