Firmware/Marlin/power.cpp
2018-02-06 00:20:33 -06:00

97 lines
2.6 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 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/>.
*
*/
/**
* power.cpp - power control
*/
#include "MarlinConfig.h"
#if ENABLED(AUTO_POWER_CONTROL)
#include "power.h"
#include "temperature.h"
#include "stepper_indirection.h"
Power powerManager;
millis_t Power::lastPowerOn;
bool Power::is_power_needed() {
#if ENABLED(AUTO_POWER_FANS)
for (uint8_t i = 0; i < FAN_COUNT; i++) if (fanSpeeds[i] > 0) return true;
#endif
#if ENABLED(AUTO_POWER_E_FANS)
HOTEND_LOOP() if (thermalManager.autofan_speed[e] > 0) return true;
#endif
#if ENABLED(AUTO_POWER_CONTROLLERFAN) && HAS_CONTROLLERFAN
if (controllerFanSpeed > 0) return true;
#endif
if (X_ENABLE_READ == X_ENABLE_ON || Y_ENABLE_READ == Y_ENABLE_ON || Z_ENABLE_READ == Z_ENABLE_ON ||
thermalManager.soft_pwm_bed > 0
|| E0_ENABLE_READ == E_ENABLE_ON // If any of the drivers are enabled...
#if E_STEPPERS > 1
|| E1_ENABLE_READ == E_ENABLE_ON
#if HAS_X2_ENABLE
|| X2_ENABLE_READ == X_ENABLE_ON
#endif
#if E_STEPPERS > 2
|| E2_ENABLE_READ == E_ENABLE_ON
#if E_STEPPERS > 3
|| E3_ENABLE_READ == E_ENABLE_ON
#endif
#endif
#endif
) return true;
HOTEND_LOOP() if (thermalManager.degTargetHotend(e) > 0) return true;
if (thermalManager.degTargetBed() > 0) return true;
return false;
}
void Power::check() {
static millis_t nextPowerCheck = 0;
millis_t ms = millis();
if (ELAPSED(ms, nextPowerCheck)) {
nextPowerCheck = ms + 2500UL;
if (is_power_needed())
power_on();
else if (!lastPowerOn || ELAPSED(ms, lastPowerOn + (POWER_TIMEOUT) * 1000UL))
power_off();
}
}
void Power::power_on() {
lastPowerOn = millis();
OUT_WRITE(PS_ON_PIN, PS_ON_AWAKE);
}
void Power::power_off() {
OUT_WRITE(PS_ON_PIN, PS_ON_ASLEEP);
}
#endif // AUTO_POWER_CONTROL