projects/geeknamensschilder_c/hardware/cores/arduino/HardwareSerial.h

   1 /*
   2   HardwareSerial.h - Hardware serial library for Wiring
   3   Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
   4
   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.
   9
  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.
  14
  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
  18 */
  19
  20 #ifndef HardwareSerial_h
  21 #define HardwareSerial_h
  22
  23 #include <inttypes.h>
  24
  25 #include "Print.h"
  26
  27 struct ring_buffer;
  28
  29 class HardwareSerial : public Print
  30 {
  31   private:
  32     ring_buffer *_rx_buffer;
  33     volatile uint8_t *_ubrrh;
  34     volatile uint8_t *_ubrrl;
  35     volatile uint8_t *_ucsra;
  36     volatile uint8_t *_ucsrb;
  37     volatile uint8_t *_udr;
  38     uint8_t _rxen;
  39     uint8_t _txen;
  40     uint8_t _rxcie;
  41     uint8_t _udre;
  42     uint8_t _u2x;
  43   public:
  44     HardwareSerial(ring_buffer *rx_buffer,
  45       volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
  46       volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
  47       volatile uint8_t *udr,
  48       uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
  49     void begin(long);
  50     uint8_t available(void);
  51     int read(void);
  52     void flush(void);
  53     virtual void write(uint8_t);
  54     using Print::write; // pull in write(str) and write(buf, size) from Print
  55 };
  56
  57 extern HardwareSerial Serial;
  58
  59 #if defined(__AVR_ATmega1280__)
  60 extern HardwareSerial Serial1;
  61 extern HardwareSerial Serial2;
  62 extern HardwareSerial Serial3;
  63 #endif
  64
  65 #endif