Decode Status Register into Human-Readable Flags

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

#define CHECK_BIT(reg, pos) (reg & (1U << pos)) //Macro to check bits

void printFlag(int bitpos){
    switch(bitpos){
        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;
        default:
            printf("Switchcase Error\n");
            break;
    }
}

void decode_status(uint8_t status_reg) {
    //Loop through every bit
    for(int i=0;i<=7;i++){
        //Perform checkbit on each bit, if it has a value (its a 1)
        if(CHECK_BIT(status_reg, i)){
            //printf("Bit %d is set\n", i);
            printFlag(i);
        }
    }
}

int main() {
    uint8_t reg;
    scanf("%hhu", &reg);
    decode_status(reg);
    return 0;
}

Solving Approach