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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#pragma once
/**
* ServoTimers.h - Interrupt driven Servo library for Arduino using 16 bit timers- Version 2
* Copyright (c) 2009 Michael Margolis. 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
*/
/**
* Defines for 16 bit timers used with Servo library
*
* If _useTimerX is defined then TimerX is a 16 bit timer on the current board
* timer16_Sequence_t enumerates the sequence that the timers should be allocated
* _Nbr_16timers indicates how many 16 bit timers are available.
*/
/**
* AVR Only definitions
* --------------------
*/
#define TRIM_DURATION 2 // compensation ticks to trim adjust for digitalWrite delays
#define SERVO_TIMER_PRESCALER 8 // timer prescaler
// Say which 16 bit timers can be used and in what order
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
//#define _useTimer1
#define _useTimer4
#if NUM_SERVOS > SERVOS_PER_TIMER
#define _useTimer3
#if !HAS_MOTOR_CURRENT_PWM && SERVOS > 2 * SERVOS_PER_TIMER
#define _useTimer5 // Timer 5 is used for motor current PWM and can't be used for servos.
#endif
#endif
#elif defined(__AVR_ATmega32U4__)
#define _useTimer3
#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
#define _useTimer3
#elif defined(__AVR_ATmega128__) || defined(__AVR_ATmega1281__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega2561__)
#define _useTimer3
#else
// everything else
#endif
typedef enum {
#ifdef _useTimer1
_timer1,
#endif
#ifdef _useTimer3
_timer3,
#endif
#ifdef _useTimer4
_timer4,
#endif
#ifdef _useTimer5
_timer5,
#endif
_Nbr_16timers
} timer16_Sequence_t;
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