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/TEENSY40_41/endstop_interrupts.h | 66 +++++++++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Marlin/src/HAL/TEENSY40_41/endstop_interrupts.h (limited to 'Marlin/src/HAL/TEENSY40_41/endstop_interrupts.h') diff --git a/Marlin/src/HAL/TEENSY40_41/endstop_interrupts.h b/Marlin/src/HAL/TEENSY40_41/endstop_interrupts.h new file mode 100644 index 0000000..a05e911 --- /dev/null +++ b/Marlin/src/HAL/TEENSY40_41/endstop_interrupts.h @@ -0,0 +1,66 @@ +/** + * 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 + +/** + * HAL Endstop Interrupts for Teensy 4.0 (IMXRT1062DVL6A) / 4.1 (IMXRT1062DVJ6A) + * + * Without endstop interrupts the endstop pins must be polled continually in + * the temperature-ISR via endstops.update(), most of the time finding no change. + * With this feature endstops.update() is called only when we know that at + * least one endstop has changed state, saving valuable CPU cycles. + * + * This feature only works when all used endstop pins can generate an 'external interrupt'. + * + * Test whether pins issue interrupts on your board by flashing 'pin_interrupt_test.ino'. + * (Located in Marlin/buildroot/share/pin_interrupt_test/pin_interrupt_test.ino) + */ + +#include "../../module/endstops.h" + +// One ISR for all EXT-Interrupts +void endstop_ISR() { endstops.update(); } + +/** + * Endstop interrupts for Due based targets. + * On Due, all pins support external interrupt capability. + */ +void setup_endstop_interrupts() { + #define _ATTACH(P) attachInterrupt(digitalPinToInterrupt(P), endstop_ISR, CHANGE) + TERN_(HAS_X_MAX, _ATTACH(X_MAX_PIN)); + TERN_(HAS_X_MIN, _ATTACH(X_MIN_PIN)); + TERN_(HAS_Y_MAX, _ATTACH(Y_MAX_PIN)); + TERN_(HAS_Y_MIN, _ATTACH(Y_MIN_PIN)); + TERN_(HAS_Z_MAX, _ATTACH(Z_MAX_PIN)); + TERN_(HAS_Z_MIN, _ATTACH(Z_MIN_PIN)); + TERN_(HAS_X2_MAX, _ATTACH(X2_MAX_PIN)); + TERN_(HAS_X2_MIN, _ATTACH(X2_MIN_PIN)); + TERN_(HAS_Y2_MAX, _ATTACH(Y2_MAX_PIN)); + TERN_(HAS_Y2_MIN, _ATTACH(Y2_MIN_PIN)); + TERN_(HAS_Z2_MAX, _ATTACH(Z2_MAX_PIN)); + TERN_(HAS_Z2_MIN, _ATTACH(Z2_MIN_PIN)); + TERN_(HAS_Z3_MAX, _ATTACH(Z3_MAX_PIN)); + TERN_(HAS_Z3_MIN, _ATTACH(Z3_MIN_PIN)); + TERN_(HAS_Z4_MAX, _ATTACH(Z4_MAX_PIN)); + TERN_(HAS_Z4_MIN, _ATTACH(Z4_MIN_PIN)); + TERN_(HAS_Z_MIN_PROBE_PIN, _ATTACH(Z_MIN_PROBE_PIN)); +} -- cgit v1.2.3