// USARTCUSTOM (FOR 2560) #define USART1_TX_DDR DDRD #define USART1_TX_PORT PORTD #define USART1_TX_BIT 3 #define USART1_RX_DDR DDRD #define USART1_RX_PORT PORTD #define USART1_RX_BIT 2 #define USART1_DRE_DDR DDRD #define USART1_DRE_PORT PORTD #define USART1_DRE_BIT 4 // USARTCUSTOM (FOR 2560) #define USART0_TX_DDR DDRE #define USART0_TX_PORT PORTE #define USART0_TX_BIT 1 #define USART0_RX_DDR DDRE #define USART0_RX_PORT PORTE #define USART0_RX_BIT 0