Decode Status Register into Human-Readable Flags

Code

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

typedef enum{
    POWER_ON = 0,
    ERROR,
    TX_RDY,
    RX_RDY,
    OVERHEAT,
    UNDERVLTGE,
    TIMEOUT,
    RESERVD
}status_flag_t;

typedef struct{
    uint8_t mask;
    const char *str;
}error_res_t;

const error_res_t maps[] = {
    [POWER_ON]  = {.mask = (1<<POWER_ON),.str = "Power On"},
    [ERROR]     = {.mask = (1<<ERROR),.str = "Error"},
    [TX_RDY]    = {.mask = (1<<TX_RDY),.str = "Tx Ready"},
    [RX_RDY]    = {.mask = (1<<RX_RDY),.str = "Rx Ready"},
    [OVERHEAT]  = {.mask = (1<<OVERHEAT),.str = "Overheat"},
    [UNDERVLTGE] = {.mask = (1<<UNDERVLTGE),.str = "Undervoltage"},
    [TIMEOUT]   = {.mask = (1<<TIMEOUT),.str = "Timeout"},
    [RESERVD]   = {.mask = (1<<RESERVD),.str = "Reserved"}
};

void decode_status(uint8_t status_reg) {
    // Your logic here
    for(int i = 0;i<sizeof(maps)/sizeof(maps[0]);i++){
        if(status_reg & maps[i].mask){
            printf("%s\n",maps[i].str);
        }
    }

}

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

Solving Approach