ADC Config Flags

#include <iostream>
#include <cstdint>
using namespace std;

// Declare enum class AdcConfig : uint8_t
// ChannelEnable = 1
// InterruptEnable = 2
// DMAEnable = 4

enum class AdcConfig : uint8_t{
    ChannelEnable =1,
    InterruptEnable = 2,
    DMAEnable = 4
};

// Implement void printConfig(uint8_t cfg)
void printConfig(uint8_t cfg){
    if((cfg & static_cast<uint8_t>(AdcConfig::ChannelEnable))) cout << "ChannelEnable ";
    
    if((cfg & static_cast<uint8_t>(AdcConfig::InterruptEnable))) cout << "InterruptEnable ";

    if((cfg & static_cast<uint8_t>(AdcConfig::DMAEnable))) cout << "DMAEnable";

    if(!(cfg & 7)){
        cout << "None";
    }
}

int main() {
    int ch, intr, dma;
    cin >> ch >> intr >> dma;

    uint8_t cfg = 0;
    if (ch)   cfg |= static_cast<uint8_t>(AdcConfig::ChannelEnable);
    if (intr) cfg |= static_cast<uint8_t>(AdcConfig::InterruptEnable);
    if (dma)  cfg |= static_cast<uint8_t>(AdcConfig::DMAEnable);

    printConfig(cfg);
    return 0;
}

Solving Approach

 

 

 

 

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Input

1 0 1

Expected Output

ChannelEnable DMAEnable