Decode Status Register into Human-Readable Flags

Code

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

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