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Merge pull request #3771 from thinkyhead/rc_auto_fans_again

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Fix checkExtruderAutoFans
This commit is contained in:
Scott Lahteine 2016-05-15 20:32:31 -07:00
commit 26b4cb5b42
1 changed files with 4 additions and 2 deletions
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6
Marlin/temperature.cpp
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@ -346,13 +346,15 @@ int Temperature::getHeaterPower(int heater) {
if (current_temperature[f] > EXTRUDER_AUTO_FAN_TEMPERATURE)
SBI(fanState, fanBit[f]);
}
uint8_t fanDone = 0;
for (int f = 0; f <= 3; f++) {
int8_t pin = fanPin[f];
if (pin >= 0) {
unsigned char newFanSpeed = TEST(fanState, f) ? EXTRUDER_AUTO_FAN_SPEED : 0;
if (pin >= 0 && !TEST(fanDone, fanBit[f])) {
unsigned char newFanSpeed = TEST(fanState, fanBit[f]) ? EXTRUDER_AUTO_FAN_SPEED : 0;
// this idiom allows both digital and PWM fan outputs (see M42 handling).
digitalWrite(pin, newFanSpeed);
analogWrite(pin, newFanSpeed);
SBI(fanDone, fanBit[f]);
}
}
}