48. ADC Config Flags

In embedded systems, peripheral configuration registers commonly use bit flags to enable or disable features.

Your task is to declare a scoped enum class named AdcConfig that represents configuration flags for an ADC peripheral. Each flag occupies a single bit in an 8-bit configuration register.

The enum must contain the following values:

• ChannelEnable → bit 0 (value 1)
• InterruptEnable → bit 1 (value 2)
• DMAEnable → bit 2 (value 4)

You must also implement a helper function:

void printConfig(uint8_t cfg);

This function examines the configuration word and prints which features are enabled.

The program reads three integers, each being either 0 or 1, indicating whether the corresponding feature is enabled:

1. Channel enable
2. Interrupt enable
3. DMA enable

These inputs must be combined into a single 8-bit configuration word using bitwise operations, then passed to printConfig().

If no flags are enabled, print None.

Input Format

• Three space-separated integers: ch intr dma
• Each value is guaranteed to be either 0 or 1
• Input order corresponds to:
  • ch → ChannelEnable
  • intr → InterruptEnable
  • dma → DMAEnable

Output Format

• Print enabled feature names in the following fixed order:
  1. ChannelEnable
  2. InterruptEnable
  3. DMAEnable
• Separate multiple names with a single space.
• If no features are enabled, output exactly:

  • None 

Example 1

Input:

1 0 1

Output:

ChannelEnable DMAEnable

Example 2

Input:

0 0 0

Output:

None