Decode Status Register into Human-Readable Flags

Code

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

typedef union{
    uint8_t reg;
    struct{
        uint8_t power_on : 1;
        uint8_t error : 1;
        uint8_t tx_ready : 1;
        uint8_t rx_ready : 1;
        uint8_t overheat : 1;
        uint8_t under_voltage : 1;
        uint8_t time_out : 1;
        uint8_t reserved :1;
    }status_regis;
}status_reg_u;

void decode_status(status_reg_u status_reg) {
    // Your logic here
    if(status_reg.status_regis.power_on){
        printf("Power On\n");
    }
    if(status_reg.status_regis.error){
        printf("Error\n");
    }
    if(status_reg.status_regis.tx_ready){
        printf("Tx Ready\n");
    }
    if(status_reg.status_regis.rx_ready){
        printf("Rx Ready\n");
    }
    if(status_reg.status_regis.overheat){
        printf("Overheat\n");
    }
    if(status_reg.status_regis.under_voltage){
        printf("Undervoltage\n");
    }
    if(status_reg.status_regis.time_out){
        printf("Timeout\n");
    }
    if(status_reg.status_regis.reserved){
        printf("Reserved\n");
    }
    //switch(status_reg.status_reg_t)


}

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

Solving Approach

 

 

 

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Input

13

Expected Output

Power On Tx Ready Rx Ready