/* HardwareSerial.h - Hardware serial library for Wiring Copyright (c) 2006 Nicholas Zambetti. All right reserved. This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Modified 28 September 2010 by Mark Sproul */ #ifndef HardwareSerial_h #define HardwareSerial_h #include <inttypes.h> #include "Stream.h" struct ring_buffer; class HardwareSerial : public Stream { private: ring_buffer *_rx_buffer; ring_buffer *_tx_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 _udrie; uint8_t _u2x; public: HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_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 udrie, uint8_t u2x); void begin(unsigned long); void end(); virtual int available(void); virtual int peek(void); virtual int read(void); virtual void flush(void); virtual void write(uint8_t); using Print::write; // pull in write(str) and write(buf, size) from Print }; #if defined(UBRRH) || defined(UBRR0H) extern HardwareSerial Serial; #elif defined(USBCON) #include "usb_api.h" #endif #if defined(UBRR1H) extern HardwareSerial Serial1; #endif #if defined(UBRR2H) extern HardwareSerial Serial2; #endif #if defined(UBRR3H) extern HardwareSerial Serial3; #endif #endif