| /* |
| 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; |
| 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; |
| public: |
| HardwareSerial(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); |
| void begin(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 |