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- /*
- 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
- Modified 14 August 2012 by Alarus
- */
-
- #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 *_ucsrc;
- volatile uint8_t *_udr;
- uint8_t _rxen;
- uint8_t _txen;
- uint8_t _rxcie;
- uint8_t _udrie;
- uint8_t _u2x;
- bool transmitting;
- 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 *ucsrc, volatile uint8_t *udr,
- uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x);
- void begin(unsigned long);
- void begin(unsigned long, uint8_t);
- void end();
- virtual int available(void);
- virtual int peek(void);
- virtual int read(void);
- virtual void flush(void);
- virtual size_t write(uint8_t);
- inline size_t write(unsigned long n) { return write((uint8_t)n); }
- inline size_t write(long n) { return write((uint8_t)n); }
- inline size_t write(unsigned int n) { return write((uint8_t)n); }
- inline size_t write(int n) { return write((uint8_t)n); }
- using Print::write; // pull in write(str) and write(buf, size) from Print
- operator bool();
- };
-
- // Define config for Serial.begin(baud, config);
- #define SERIAL_5N1 0x00
- #define SERIAL_6N1 0x02
- #define SERIAL_7N1 0x04
- #define SERIAL_8N1 0x06
- #define SERIAL_5N2 0x08
- #define SERIAL_6N2 0x0A
- #define SERIAL_7N2 0x0C
- #define SERIAL_8N2 0x0E
- #define SERIAL_5E1 0x20
- #define SERIAL_6E1 0x22
- #define SERIAL_7E1 0x24
- #define SERIAL_8E1 0x26
- #define SERIAL_5E2 0x28
- #define SERIAL_6E2 0x2A
- #define SERIAL_7E2 0x2C
- #define SERIAL_8E2 0x2E
- #define SERIAL_5O1 0x30
- #define SERIAL_6O1 0x32
- #define SERIAL_7O1 0x34
- #define SERIAL_8O1 0x36
- #define SERIAL_5O2 0x38
- #define SERIAL_6O2 0x3A
- #define SERIAL_7O2 0x3C
- #define SERIAL_8O2 0x3E
-
- #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
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