Decode Status Register into Human-Readable Flags

Code

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

void decode_status(uint8_t status_reg) {

    for(uint8_t i = 0; i<8;i++)
    {
        if((status_reg & (1U<<i))!=0)
        {
            if(i==0)
            {
                printf("Power On\n");
            }
            if(i==1)
            {
                printf("Error\n");
            }
            if(i==2)
            {
                printf("Tx Ready\n");
            }
            if(i==3)
            {
                printf("Rx Ready\n");
            }
            if(i==4)
            {
                printf("Overheat\n");
            }
            if(i==5)
            {
                printf("Undervoltage\n");
            }
            if(i==6)
            {
                printf("Timeout\n");
            }
            if(i==7)
            {
                printf("Reserved\n");
            }

        } 
    }
}

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