2 HardwareSerial.h - Hardware serial library for Wiring
3 Copyright (c) 2006 Nicholas Zambetti. All right reserved.
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 Modified 28 September 2010 by Mark Sproul
22 #ifndef HardwareSerial_h
23 #define HardwareSerial_h
31 class HardwareSerial : public Stream
34 ring_buffer *_rx_buffer;
35 ring_buffer *_tx_buffer;
36 volatile uint8_t *_ubrrh;
37 volatile uint8_t *_ubrrl;
38 volatile uint8_t *_ucsra;
39 volatile uint8_t *_ucsrb;
40 volatile uint8_t *_udr;
47 HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
48 volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
49 volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
50 volatile uint8_t *udr,
51 uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x);
52 void begin(unsigned long);
54 virtual int available(void);
55 virtual int peek(void);
56 virtual int read(void);
57 virtual void flush(void);
58 virtual size_t write(uint8_t);
59 using Print::write; // pull in write(str) and write(buf, size) from Print
63 #if defined(UBRRH) || defined(UBRR0H)
64 extern HardwareSerial Serial;
67 // extern HardwareSerial Serial_;
70 extern HardwareSerial Serial1;
73 extern HardwareSerial Serial2;
76 extern HardwareSerial Serial3;
79 extern void serialEventRun(void) __attribute__((weak));