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Decode Status Register into Human-Readable Flags

Code

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

void decode_status(uint8_t status_reg) {
    
    for(int i = 0;i<8;i++){
        if(status_reg & (1<<i)){
            switch (i){
                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;
                }

            }
        }
    }
}

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