root / arduino-1.0 / hardware / arduino / cores / arduino / HardwareSerial.h @ 58d82c77
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1 | 58d82c77 | Tom Mullins | /*
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2 | HardwareSerial.h - Hardware serial library for Wiring
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3 | Copyright (c) 2006 Nicholas Zambetti. All right reserved.
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4 | |||
5 | This library is free software; you can redistribute it and/or
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6 | modify it under the terms of the GNU Lesser General Public
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7 | License as published by the Free Software Foundation; either
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8 | version 2.1 of the License, or (at your option) any later version.
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9 | |||
10 | This library is distributed in the hope that it will be useful,
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 | Lesser General Public License for more details.
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14 | |||
15 | You should have received a copy of the GNU Lesser General Public
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16 | License along with this library; if not, write to the Free Software
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17 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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18 | |||
19 | Modified 28 September 2010 by Mark Sproul
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20 | */
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21 | |||
22 | #ifndef HardwareSerial_h
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23 | #define HardwareSerial_h
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24 | |||
25 | #include <inttypes.h> |
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26 | |||
27 | #include "Stream.h" |
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28 | |||
29 | struct ring_buffer;
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30 | |||
31 | class HardwareSerial : public Stream |
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32 | { |
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33 | private:
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34 | ring_buffer *_rx_buffer; |
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35 | ring_buffer *_tx_buffer; |
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36 | volatile uint8_t *_ubrrh;
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37 | volatile uint8_t *_ubrrl;
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38 | volatile uint8_t *_ucsra;
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39 | volatile uint8_t *_ucsrb;
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40 | volatile uint8_t *_udr;
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41 | uint8_t _rxen; |
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42 | uint8_t _txen; |
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43 | uint8_t _rxcie; |
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44 | uint8_t _udrie; |
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45 | uint8_t _u2x; |
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46 | public:
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47 | HardwareSerial(ring_buffer *rx_buffer, ring_buffer *tx_buffer, |
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48 | volatile uint8_t *ubrrh, volatile uint8_t *ubrrl, |
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49 | volatile uint8_t *ucsra, volatile uint8_t *ucsrb, |
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50 | volatile uint8_t *udr,
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51 | uint8_t rxen, uint8_t txen, uint8_t rxcie, uint8_t udrie, uint8_t u2x); |
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52 | void begin(unsigned long); |
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53 | void end();
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54 | virtual int available(void); |
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55 | virtual int peek(void); |
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56 | virtual int read(void); |
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57 | virtual void flush(void); |
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58 | virtual size_t write(uint8_t); |
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59 | using Print::write; // pull in write(str) and write(buf, size) from Print
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60 | }; |
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61 | |||
62 | #if defined(UBRRH) || defined(UBRR0H)
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63 | extern HardwareSerial Serial;
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64 | #elif defined(USBCON)
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65 | #include "USBAPI.h" |
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66 | // extern HardwareSerial Serial_;
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67 | #endif
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68 | #if defined(UBRR1H)
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69 | extern HardwareSerial Serial1;
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70 | #endif
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71 | #if defined(UBRR2H)
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72 | extern HardwareSerial Serial2;
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73 | #endif
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74 | #if defined(UBRR3H)
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75 | extern HardwareSerial Serial3;
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76 | #endif
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77 | |||
78 | extern void serialEventRun(void) __attribute__((weak)); |
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79 | |||
80 | #endif |