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 result = 1; 
    while (result <= status_reg) 
    {
        if((result & status_reg) == 0x01)
        {
            printf("Power On\n");
        }
        else if((result & status_reg) == 0x02)
        {
            printf("Error\n");
        }
        else if((result & status_reg) == 0x04)
        {
            printf("Tx Ready\n");
        }
        else if((result & status_reg) == 0x08)
        {
            printf("Rx Ready\n");
        }
        else if((result & status_reg) == 0x10)
        {
            printf("Overheat\n");
        }
        else if((result & status_reg) == 0x20)
        {
            printf("Undervoltage\n");
        }    
        else if((result & status_reg) == 0x40)
        {
            printf("Timeout\n");
        }    
        else if((result & status_reg) == 0x80)
        {
            printf("Reserved\n");
        }        
        else
        {

        }
        result <<= 1;
    }
    //result >> 1; //return 0; 
    

}

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