libraries / Mitov / avr / ServoTimers.hon commit Added link to project report (97a3ba0)
   1/*
   2  Servo.h - Interrupt driven Servo library for Arduino using 16 bit timers- Version 2
   3  Copyright (c) 2009 Michael Margolis.  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/*
  21 * Defines for 16 bit timers used with  Servo library
  22 *
  23 * If _useTimerX is defined then TimerX is a 16 bit timer on the current board
  24 * timer16_Sequence_t enumerates the sequence that the timers should be allocated
  25 * _Nbr_16timers indicates how many 16 bit timers are available.
  26 */
  27
  28/**
  29 * AVR Only definitions
  30 * --------------------
  31 */
  32
  33// Say which 16 bit timers can be used and in what order
  34#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
  35#define _useTimer5
  36#define _useTimer1
  37#define _useTimer3
  38#define _useTimer4
  39typedef enum { _timer5, _timer1, _timer3, _timer4, _Nbr_16timers } timer16_Sequence_t;
  40
  41#elif defined(__AVR_ATmega32U4__)
  42#define _useTimer1
  43typedef enum { _timer1, _Nbr_16timers } timer16_Sequence_t;
  44
  45#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
  46#define _useTimer3
  47#define _useTimer1
  48typedef enum { _timer3, _timer1, _Nbr_16timers } timer16_Sequence_t;
  49
  50#elif defined(__AVR_ATmega128__) ||defined(__AVR_ATmega1281__)||defined(__AVR_ATmega2561__)
  51#define _useTimer3
  52#define _useTimer1
  53typedef enum { _timer3, _timer1, _Nbr_16timers } timer16_Sequence_t;
  54
  55#else  // everything else
  56#define _useTimer1
  57typedef enum { _timer1, _Nbr_16timers } timer16_Sequence_t;
  58#endif
  59