123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081 |
- /*
- 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 size_t write(uint8_t);
- using Print::write; // pull in write(str) and write(buf, size) from Print
- operator bool();
- };
- #if defined(UBRRH) || defined(UBRR0H)
- extern HardwareSerial Serial;
- #elif defined(USBCON)
- #include "USBAPI.h"
- // extern HardwareSerial Serial_;
- #endif
- #if defined(UBRR1H)
- extern HardwareSerial Serial1;
- #endif
- #if defined(UBRR2H)
- extern HardwareSerial Serial2;
- #endif
- #if defined(UBRR3H)
- extern HardwareSerial Serial3;
- #endif
- extern void serialEventRun(void) __attribute__((weak));
- #endif
|