From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001 From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com> Date: Thu, 4 Mar 2021 22:54:23 +0500 Subject: Initial commit --- Marlin/src/HAL/LINUX/servo_private.h | 79 ++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Marlin/src/HAL/LINUX/servo_private.h (limited to 'Marlin/src/HAL/LINUX/servo_private.h') diff --git a/Marlin/src/HAL/LINUX/servo_private.h b/Marlin/src/HAL/LINUX/servo_private.h new file mode 100644 index 0000000..bcc8d20 --- /dev/null +++ b/Marlin/src/HAL/LINUX/servo_private.h @@ -0,0 +1,79 @@ +/** + * 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 . + * + */ +#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 + +// 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]; -- cgit v1.2.3