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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
/**
* servo.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
*/
/**
* Based on "servo.h - Interrupt driven Servo library for Arduino using 16 bit timers -
* Version 2 Copyright (c) 2009 Michael Margolis. All right reserved.
*
* The only modification was to update/delete macros to match the LPC176x.
*/
#include <stdint.h>
// Macros
//values in microseconds
#define MIN_PULSE_WIDTH 544 // the shortest pulse sent to a servo
#define MAX_PULSE_WIDTH 2400 // the longest pulse sent to a servo
#define DEFAULT_PULSE_WIDTH 1500 // default pulse width when servo is attached
#define REFRESH_INTERVAL 20000 // minimum time to refresh servos in microseconds
#define MAX_SERVOS 4
#define INVALID_SERVO 255 // flag indicating an invalid servo index
// Types
typedef struct {
uint8_t nbr : 8 ; // a pin number from 0 to 254 (255 signals invalid pin)
uint8_t isActive : 1 ; // true if this channel is enabled, pin not pulsed if false
} ServoPin_t;
typedef struct {
ServoPin_t Pin;
unsigned int pulse_width; // pulse width in microseconds
} ServoInfo_t;
// Global variables
extern uint8_t ServoCount;
extern ServoInfo_t servo_info[MAX_SERVOS];
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