Decode Status Register into Human-Readable Flags

Code

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

void decode_status(uint8_t status_reg) {
        if(status_reg & (1<<0)){
            printf("Power On\n");
        }
        if(status_reg & (1<<1)){
            printf("Error\n");
        }
        if(status_reg & (1<<2)){
            printf("Tx Ready\n");
        }
        if(status_reg & (1<<3)){
            printf("Rx Ready\n");
        }
        if(status_reg & (1<<4)){
            printf("Overheat\n");
        }
        if(status_reg & (1<<5)){
            printf("Undervoltage\n");
        }
        if(status_reg & (1<<6)){
            printf("Timeout");
        }
        if(status_reg & (1<<7)){
            printf("\nReserved");
        }
   
    }



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