Constructed function of HardwareSerial Class - Hardware serial library for Wiring
ring_buffer *_rx_buffer; volatile uint8_t *_ubrrh; volatile uint8_t *_ubrrl; volatile uint8_t *_ucsra; volatile uint8_t *_ucsrb; volatile uint8_t *_udr; uint8_t _rxen; uint8_t _txen; uint8_t _rxcie; uint8_t _udre; uint8_t _u2x;
HardwareSerial object
Derived from Print class. Serial, Serial1, Serial2, Serial3 are global HardwareSerial objects which are mapped to USART0 -USART3
HardwareSerial.h
N/A