USART.h

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#ifndef ATMEGA2560_DEFINITIONS_USART_H
#define ATMEGA2560_DEFINITIONS_USART_H
 
#include <stdint.h>
#include "Config.h"
#include "Pin.h"

namespace atmega2560
{
    namespace usart
    {
        enum class Id : uint8_t
        {
            USART0 = 0, 
            USART1 = 1, 
            USART2 = 2, 
            USART3 = 3, 
        };

        enum class Mode : uint8_t
        {
            Asynchronous = 0, 
            Synchronous = 1,  
            MasterSPI = 3,    
        };

        enum class DataBits : uint8_t
        {
            Five = 5,  
            Six = 6,   
            Seven = 7, 
            Eight = 8, 
            Nine = 9,  
        };

        enum class Parity : uint8_t
        {
            Disabled = 0, 
            Even = 2,     
            Odd = 3,      
        };

        enum class StopBits : uint8_t
        {
            One = 1, 
            Two = 2, 
        };

        namespace usart0
        {
            enum : uint8_t
            {
                module_number = 0,    
                rx_pin_value = 0x40,  
                tx_pin_value = 0x41,  
                xck_pin_value = 0x42, 
            };
        }

        namespace usart1
        {
            enum : uint8_t
            {
                module_number = 1,    
                rx_pin_value = 0x32,  
                tx_pin_value = 0x33,  
                xck_pin_value = 0x35, 
            };
        }

        namespace usart2
        {
            enum : uint8_t
            {
                module_number = 2,    
                rx_pin_value = 0x70,  
                tx_pin_value = 0x71,  
                xck_pin_value = 0x72, 
            };
        }

        namespace usart3
        {
            enum : uint8_t
            {
                module_number = 3,    
                rx_pin_value = 0x80,  
                tx_pin_value = 0x81,  
                xck_pin_value = 0x82, 
            };
        }

        enum : uint8_t
        {
            module_count = 4,                    
            baud_register_bits = 12,             
            async_oversampling = 16,             
            async_double_speed_oversampling = 8, 
        };
        namespace pins
        {
            enum : uint8_t
            {
                usart0_rxd = 0x40, 
                usart0_txd = 0x41, 
                usart0_xck = 0x42, 
                usart1_rxd = 0x32, 
                usart1_txd = 0x33, 
                usart1_xck = 0x35, 
                usart2_rxd = 0x70, 
                usart2_txd = 0x71, 
                usart2_xck = 0x72, 
                usart3_rxd = 0x80, 
                usart3_txd = 0x81, 
                usart3_xck = 0x82, 
            };
        }
    }
}
 
#endif