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70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
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/*
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HardwareSerial.h - Hardware serial library for Wiring
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Copyright (c) 2006 Nicholas Zambetti. All right reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef HardwareSerial_h
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#define HardwareSerial_h
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#include <inttypes.h>
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#include "Print.h"
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struct ring_buffer;
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class HardwareSerial : public Print
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{
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private:
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ring_buffer *_rx_buffer;
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volatile uint8_t *_ubrrh;
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volatile uint8_t *_ubrrl;
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volatile uint8_t *_ucsra;
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volatile uint8_t *_ucsrb;
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volatile uint8_t *_udr;
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uint8_t _rxen;
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uint8_t _txen;
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uint8_t _rxcie;
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uint8_t _udre;
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uint8_t _u2x;
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public:
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HardwareSerial(ring_buffer *rx_buffer,
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volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
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volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
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volatile uint8_t *udr,
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uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udre, uint8_t u2x);
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void begin(long);
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void end();
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uint8_t available(void);
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int read(void);
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void flush(void);
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virtual void write(uint8_t);
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using Print::write; // pull in write(str) and write(buf, size) from Print
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};
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extern HardwareSerial Serial;
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#if defined(__AVR_ATmega644P__) || defined(__AVR_ATmega1280__)
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extern HardwareSerial Serial1;
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#endif
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#if defined(__AVR_ATmega1280__)
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extern HardwareSerial Serial2;
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extern HardwareSerial Serial3;
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#endif
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#endif
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