Chris
99 lines
2.4 KiB
C++
99 lines
2.4 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2023 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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#ifdef ARDUINO_ARCH_HC32
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#include "endstop_interrupts.h"
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#include "../../module/endstops.h"
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#include <Arduino.h>
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#define ENDSTOP_IRQ_PRIORITY DDL_IRQ_PRIORITY_06
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//
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// IRQ handler
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//
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void endstopIRQHandler() {
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bool flag = false;
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// Check all irq flags
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#define CHECK(name) TERN_(USE_##name, flag |= checkIRQFlag(name##_PIN, /*clear*/ true))
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CHECK(X_MAX);
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CHECK(X_MIN);
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CHECK(Y_MAX);
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CHECK(Y_MIN);
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CHECK(Z_MAX);
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CHECK(Z_MIN);
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CHECK(Z2_MAX);
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CHECK(Z2_MIN);
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CHECK(Z3_MAX);
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CHECK(Z3_MIN);
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CHECK(Z_MIN_PROBE);
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// Update endstops
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if (flag) endstops.update();
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#undef CHECK
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}
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//
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// HAL functions
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//
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void setup_endstop_interrupts() {
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#define SETUP(name) TERN_(USE_##name, attachInterrupt(name##_PIN, endstopIRQHandler, CHANGE); setInterruptPriority(name##_PIN, ENDSTOP_IRQ_PRIORITY))
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SETUP(X_MAX);
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SETUP(X_MIN);
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SETUP(Y_MAX);
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SETUP(Y_MIN);
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SETUP(Z_MAX);
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SETUP(Z_MIN);
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SETUP(Z2_MAX);
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SETUP(Z2_MIN);
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SETUP(Z3_MAX);
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SETUP(Z3_MIN);
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SETUP(Z_MIN_PROBE);
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#undef SETUP
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}
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// Ensure 1 - 10 IRQs are registered
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// Disable some endstops if you encounter this error
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#define ENDSTOPS_INTERRUPTS_COUNT COUNT_ENABLED(USE_X_MAX, USE_X_MIN, USE_Y_MAX, USE_Y_MIN, USE_Z_MAX, USE_Z_MIN, USE_Z2_MAX, USE_Z2_MIN, USE_Z3_MAX, USE_Z3_MIN, USE_Z_MIN_PROBE)
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#if ENDSTOPS_INTERRUPTS_COUNT > 10
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#error "Too many endstop interrupts! HC32F460 only supports 10 endstop interrupts."
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#elif ENDSTOPS_INTERRUPTS_COUNT == 0
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#error "No endstop interrupts are enabled! Comment out this line to continue."
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#endif
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#endif // ARDUINO_ARCH_HC32
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