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89 lines
2.6 KiB
89 lines
2.6 KiB
/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2021 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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#pragma once
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#include "../inc/MarlinConfig.h"
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#if HAS_FANCHECK
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#include "../MarlinCore.h"
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#include "../lcd/marlinui.h"
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#if ENABLED(AUTO_REPORT_FANS)
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#include "../libs/autoreport.h"
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#endif
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#if ENABLED(PARK_HEAD_ON_PAUSE)
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#include "../gcode/queue.h"
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#endif
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/**
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* fancheck.h
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*/
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#define TACHO_COUNT TERN(HAS_E7_FAN_TACHO, 8, TERN(HAS_E6_FAN_TACHO, 7, TERN(HAS_E5_FAN_TACHO, 6, TERN(HAS_E4_FAN_TACHO, 5, TERN(HAS_E3_FAN_TACHO, 4, TERN(HAS_E2_FAN_TACHO, 3, TERN(HAS_E1_FAN_TACHO, 2, 1)))))))
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class FanCheck {
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private:
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enum class TachoError : uint8_t { NONE, DETECTED, REPORTED, FIXED };
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#if HAS_PWMFANCHECK
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static bool measuring; // For future use (3 wires PWM controlled fans)
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#else
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static constexpr bool measuring = true;
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#endif
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static bool tacho_state[TACHO_COUNT];
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static uint16_t edge_counter[TACHO_COUNT];
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static uint8_t rps[TACHO_COUNT];
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static TachoError error;
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static void report_speed_error(uint8_t fan);
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public:
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static bool enabled;
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static void init();
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static void update_tachometers();
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static void compute_speed(uint16_t elapsedTime);
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static void print_fan_states();
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#if HAS_PWMFANCHECK
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static void toggle_measuring() { measuring = !measuring; }
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static bool is_measuring() { return measuring; }
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#endif
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static void check_deferred_error() {
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if (error == TachoError::DETECTED) {
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error = TachoError::REPORTED;
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TERN(PARK_HEAD_ON_PAUSE, queue.inject(F("M125")), kill(GET_TEXT_F(MSG_FAN_SPEED_FAULT)));
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}
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}
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#if ENABLED(AUTO_REPORT_FANS)
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struct AutoReportFan { static void report(); };
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static AutoReporter<AutoReportFan> auto_reporter;
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#endif
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};
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extern FanCheck fan_check;
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#endif // HAS_FANCHECK
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