ExternalInterrupts.h

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#ifndef ATMEGA328P_DEFINITIONS_EXTERNAL_INTERRUPTS_H
#define ATMEGA328P_DEFINITIONS_EXTERNAL_INTERRUPTS_H
 
#include <stdint.h>
#include "Config.h"
#include "Pin.h"

namespace atmega328p
{
    namespace external_interrupts
    {
        enum class Line : uint8_t
        {
            INT0 = 0, 
            INT1 = 1, 
        };

        enum class Trigger : uint8_t
        {
            LowLevel,         
            AnyLogicalChange, 
            FallingEdge,      
            RisingEdge,       
        };

        enum class LinePin : uint8_t
        {
            INT0 = 0x22, 
            INT1 = 0x23, 
        };

        enum class PinChangeGroup : uint8_t
        {
            PCINT0, 
            PCINT1, 
            PCINT2, 
        };
 
        enum : uint8_t
        {
            line_count = 2U,                  
            pin_change_group_count = 3U,      
            pcint0_first = 0U,                
            pcint0_last = 7U,                 
            pcint1_first = 8U,                
            pcint1_last = 14U,                
            pcint2_first = 16U,               
            pcint2_last = 23U,                
            reserved_pin_change_number = 15U, 
        };
    }
}
 
#endif