84 lines
3 KiB
C
84 lines
3 KiB
C
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (C) 2016, 2017 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 <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
*/
|
|
|
|
#ifndef SERVO_PRIVATE_H
|
|
#define SERVO_PRIVATE_H
|
|
|
|
#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];
|
|
|
|
#endif // SERVO_PRIVATE_H
|