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Decode Status Register into Human-Readable Flags

Code

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

#define bit_0 1
#define bit_1 (1<<1)
#define bit_2 (1<<2)
#define bit_3 (1<<3)
#define bit_4 (1<<4)
#define bit_5 (1<<5)
#define bit_6 (1<<6)
#define bit_7 (1<<7)

void decode_status(uint8_t status_reg) {
    // Your logic here
    if(status_reg & bit_0)
        printf("Power On\n");
    if(status_reg & bit_1)
        printf("Error\n");
    if(status_reg & bit_2)
        printf("Tx Ready\n");
    if(status_reg & bit_3)
        printf("Rx Ready\n");
    if(status_reg & bit_4)
        printf("Overheat\n");
    if(status_reg & bit_5)
        printf("Undervoltage\n");
    if(status_reg & bit_6)
        printf("Timeout\n");
    if(status_reg & bit_7)
        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