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91 lines
3.0 KiB
C
91 lines
3.0 KiB
C
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/*
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Servo.h - Interrupt driven Servo library for Arduino using 16 bit timers- Version 2
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Copyright (c) 2009 Michael Margolis. 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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/*
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* Defines for 16 bit timers used with Servo library
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*
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* If _useTimerX is defined then TimerX is a 16 bit timer on the current board
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* timer16_Sequence_t enumerates the sequence that the timers should be allocated
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* _Nbr_16timers indicates how many 16 bit timers are available.
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*/
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/**
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* AVR Only definitions
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* --------------------
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*/
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#define TRIM_DURATION 2 // compensation ticks to trim adjust for digitalWrite delays
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#define PRESCALER 8 // timer prescaler
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// Say which 16 bit timers can be used and in what order
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#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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//#define _useTimer1
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#define _useTimer3
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#define _useTimer4
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#if !HAS_MOTOR_CURRENT_PWM
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#define _useTimer5 // Timer 5 is used for motor current PWM and can't be used for servos.
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#endif
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#elif defined(__AVR_ATmega32U4__)
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#define _useTimer3
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#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
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#define _useTimer3
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#elif defined(__AVR_ATmega128__) || defined(__AVR_ATmega1281__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega2561__)
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#define _useTimer3
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#else
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// everything else
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#endif
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typedef enum {
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#if ENABLED(_useTimer1)
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_timer1,
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#endif
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#if ENABLED(_useTimer3)
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_timer3,
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#endif
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#if ENABLED(_useTimer4)
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_timer4,
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#endif
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#if ENABLED(_useTimer5)
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_timer5,
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#endif
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_Nbr_16timers
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} timer16_Sequence_t;
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