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Set auto fan pins to OUTPUT during init

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Fixes the problem of these pins being left in INPUT state, as described
in #1497
This commit is contained in:
Scott Lahteine 2015-06-09 16:54:28 -07:00 committed by Richard Wackerbarth
parent 90f858aa85
commit e602c28ad9
1 changed files with 13 additions and 1 deletions
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14
Marlin/temperature.cpp
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@ -374,7 +374,6 @@ void setExtruderAutoFanState(int pin, bool state)
{
unsigned char newFanSpeed = (state != 0) ? EXTRUDER_AUTO_FAN_SPEED : 0;
// this idiom allows both digital and PWM fan outputs (see M42 handling).
pinMode(pin, OUTPUT);
digitalWrite(pin, newFanSpeed);
analogWrite(pin, newFanSpeed);
}
@ -918,6 +917,19 @@ void tp_init() {
ANALOG_SELECT(FILWIDTH_PIN);
#endif
#if HAS_AUTO_FAN_0
pinMode(EXTRUDER_0_AUTO_FAN_PIN, OUTPUT);
#endif
#if HAS_AUTO_FAN_1 && (EXTRUDER_1_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN)
pinMode(EXTRUDER_1_AUTO_FAN_PIN, OUTPUT);
#endif
#if HAS_AUTO_FAN_2 && (EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN) && (EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_1_AUTO_FAN_PIN)
pinMode(EXTRUDER_2_AUTO_FAN_PIN, OUTPUT);
#endif
#if HAS_AUTO_FAN_3 && (EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN) && (EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_1_AUTO_FAN_PIN) && (EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_2_AUTO_FAN_PIN)
pinMode(EXTRUDER_3_AUTO_FAN_PIN, OUTPUT);
#endif
// Use timer0 for temperature measurement
// Interleave temperature interrupt with millies interrupt
OCR0B = 128;