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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) {
    // Your logic here
    static const char *Flags[8] = {"Power On", "Error", "Tx Ready",
                                    "Rx Ready", "Overheat", "Undervoltage",
                                    "Timeout", "Reserved"};
    for(unsigned int i = 0; i <= 7; i++) {
        if(status_reg & (1 << i)) {
            printf("%s\n", Flags[i]);
        }
    }
}

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

// note exmple 1: 13 : 1100 => output
// 0b 00000000

Solving Approach

 

 

 

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Input

13

Expected Output

Power On Tx Ready Rx Ready