andrey
/
Marlin_FB4S
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

Rework change to incorporate CONTROLLERFAN 

Also refactor extruder auto fan logic to simplify further and now only
check every 2.5 seconds
pull/1/head
Robert F-C 12 years ago
parent
c3cdaceab3
commit
d5ad7a0814
3 changed files with 98 additions and 86 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 7
      Marlin/Configuration_adv.h
  2. 47
      Marlin/Marlin_main.cpp
  3. 124
      Marlin/temperature.cpp

7
Marlin/Configuration_adv.h
View File

@ -63,14 +63,16 @@
//This is for controlling a fan to cool down the stepper drivers
//it will turn on when any driver is enabled
//and turn off after the set amount of seconds from last driver being disabled again
//#define CONTROLLERFAN_PIN 23 //Pin used for the fan to cool controller, comment out to disable this function
#define CONTROLLERFAN_SEC 60 //How many seconds, after all motors were disabled, the fan should run
#define CONTROLLERFAN_PIN -1 //Pin used for the fan to cool controller (-1 to disable)
#define CONTROLLERFAN_SECS 60 //How many seconds, after all motors were disabled, the fan should run
#define CONTROLLERFAN_SPEED 255 // == full speed
// When first starting the main fan, run it at full speed for the
// given number of milliseconds. This gets the fan spinning reliably
// before setting a PWM value. (Does not work with software PWM for fan on Sanguinololu)
//#define FAN_KICKSTART_TIME 100
// Extruder cooling fans
// Configure fan pin outputs to automatically turn on/off when the associated
// extruder temperature is above/below EXTRUDER_AUTO_FAN_TEMPERATURE.
// Multiple extruders can be assigned to the same pin in which case
@ -81,6 +83,7 @@
#define EXTRUDER_AUTO_FAN_TEMPERATURE 50
#define EXTRUDER_AUTO_FAN_SPEED 255 // == full speed
//===========================================================================
//=============================Mechanical Settings===========================
//===========================================================================

47
Marlin/Marlin_main.cpp
View File

@ -374,13 +374,9 @@ void setup()
lcd_init();
#ifdef CONTROLLERFAN_PIN
#if CONTROLLERFAN_PIN > 0
SET_OUTPUT(CONTROLLERFAN_PIN); //Set pin used for driver cooling fan
#endif
#ifdef EXTRUDERFAN_PIN
SET_OUTPUT(EXTRUDERFAN_PIN); //Set pin used for extruder cooling fan
#endif
}
@ -1963,7 +1959,12 @@ void prepare_arc_move(char isclockwise) {
previous_millis_cmd = millis();
}
#ifdef CONTROLLERFAN_PIN
#if CONTROLLERFAN_PIN > 0
#if CONTROLLERFAN_PIN == FAN_PIN
#error "You cannot set CONTROLLERFAN_PIN equal to FAN_PIN"
#endif
unsigned long lastMotor = 0; //Save the time for when a motor was turned on last
unsigned long lastMotorCheck = 0;
@ -1985,34 +1986,16 @@ void controllerFan()
lastMotor = millis(); //... set time to NOW so the fan will turn on
}
if ((millis() - lastMotor) >= (CONTROLLERFAN_SEC*1000UL) || lastMotor == 0) //If the last time any driver was enabled, is longer since than CONTROLLERSEC...
if ((millis() - lastMotor) >= (CONTROLLERFAN_SECS*1000UL) || lastMotor == 0) //If the last time any driver was enabled, is longer since than CONTROLLERSEC...
{
WRITE(CONTROLLERFAN_PIN, LOW); //... turn the fan off
digitalWrite(CONTROLLERFAN_PIN, 0);
analogWrite(CONTROLLERFAN_PIN, 0);
}
else
{
WRITE(CONTROLLERFAN_PIN, HIGH); //... turn the fan on
}
}
}
#endif
#ifdef EXTRUDERFAN_PIN
unsigned long lastExtruderCheck = 0;
void extruderFan()
{
if ((millis() - lastExtruderCheck) >= 2500) //Not a time critical function, so we only check every 2500ms
{
lastExtruderCheck = millis();
if (degHotend(active_extruder) < EXTRUDERFAN_DEC)
{
WRITE(EXTRUDERFAN_PIN, LOW); //... turn the fan off
}
else
{
WRITE(EXTRUDERFAN_PIN, HIGH); //... turn the fan on
// allows digital or PWM fan output to be used (see M42 handling)
digitalWrite(CONTROLLERFAN_PIN, CONTROLLERFAN_SPEED);
analogWrite(CONTROLLERFAN_PIN, CONTROLLERFAN_SPEED);
}
}
}
@ -2036,11 +2019,11 @@ void manage_inactivity()
}
}
}
#if( KILL_PIN>-1 )
#if KILL_PIN > 0
if( 0 == READ(KILL_PIN) )
kill();
#endif
#ifdef CONTROLLERFAN_PIN
#if CONTROLLERFAN_PIN > 0
controllerFan(); //Check if fan should be turned on to cool stepper drivers down
#endif
#ifdef EXTRUDER_RUNOUT_PREVENT

124
Marlin/temperature.cpp
View File

@ -99,8 +99,8 @@ static volatile bool temp_meas_ready = false;
#ifdef FAN_SOFT_PWM
static unsigned char soft_pwm_fan;
#endif
#if EXTRUDER_0_AUTO_FAN_PIN > -1 || EXTRUDER_1_AUTO_FAN_PIN > -1 || EXTRUDER_2_AUTO_FAN_PIN > -1
static uint8_t extruderAutoFanState = 0; // extruder auto fan state stored as bitmap
#if EXTRUDER_0_AUTO_FAN_PIN > 0 || EXTRUDER_1_AUTO_FAN_PIN > 0 || EXTRUDER_2_AUTO_FAN_PIN > 0
static unsigned long extruder_autofan_last_check;
#endif
#if EXTRUDERS > 3
@ -307,6 +307,73 @@ int getHeaterPower(int heater) {
return soft_pwm[heater];
}
#if EXTRUDER_0_AUTO_FAN_PIN > 0 || EXTRUDER_1_AUTO_FAN_PIN > 0 || EXTRUDER_2_AUTO_FAN_PIN > 0
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);
}
void checkExtruderAutoFans()
{
uint8_t fanState = 0;
// which fan pins need to be turned on?
#if EXTRUDER_0_AUTO_FAN_PIN > 0
#if EXTRUDER_0_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_0_AUTO_FAN_PIN equal to FAN_PIN"
#endif
if (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE)
fanState |= 1;
#endif
#if EXTRUDER_1_AUTO_FAN_PIN > 0
#if EXTRUDER_1_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_1_AUTO_FAN_PIN equal to FAN_PIN"
#endif
if (current_temperature[1] > EXTRUDER_AUTO_FAN_TEMPERATURE)
{
if (EXTRUDER_1_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN)
fanState |= 1;
else
fanState |= 2;
}
#endif
#if EXTRUDER_2_AUTO_FAN_PIN > 0
#if EXTRUDER_2_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_2_AUTO_FAN_PIN equal to FAN_PIN"
#endif
if (current_temperature[2] > EXTRUDER_AUTO_FAN_TEMPERATURE)
{
if (EXTRUDER_2_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN)
fanState |= 1;
else if (EXTRUDER_2_AUTO_FAN_PIN == EXTRUDER_1_AUTO_FAN_PIN)
fanState |= 2;
else
fanState |= 4;
}
#endif
// update extruder auto fan states
#if EXTRUDER_0_AUTO_FAN_PIN > 0
setExtruderAutoFanState(EXTRUDER_0_AUTO_FAN_PIN, (fanState & 1) != 0);
#endif
#if EXTRUDER_1_AUTO_FAN_PIN > 0
if (EXTRUDER_1_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN)
setExtruderAutoFanState(EXTRUDER_1_AUTO_FAN_PIN, (fanState & 2) != 0);
#endif
#if EXTRUDER_2_AUTO_FAN_PIN > 0
if (EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN
&& EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_1_AUTO_FAN_PIN)
setExtruderAutoFanState(EXTRUDER_2_AUTO_FAN_PIN, (fanState & 4) != 0);
#endif
}
#endif // any extruder auto fan pins set
void manage_heater()
{
float pid_input;
@ -400,54 +467,13 @@ void manage_heater()
} // End extruder for loop
#if EXTRUDER_0_AUTO_FAN_PIN > -1 || EXTRUDER_1_AUTO_FAN_PIN > -1 || EXTRUDER_2_AUTO_FAN_PIN > -1
bool newFanState;
#if EXTRUDER_0_AUTO_FAN_PIN > -1
// check the extruder 0 setting (and any ganged auto fan outputs)
newFanState = (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE ||
(EXTRUDER_0_AUTO_FAN_PIN == EXTRUDER_1_AUTO_FAN_PIN && current_temperature[1] > EXTRUDER_AUTO_FAN_TEMPERATURE) ||
(EXTRUDER_0_AUTO_FAN_PIN == EXTRUDER_2_AUTO_FAN_PIN && current_temperature[2] > EXTRUDER_AUTO_FAN_TEMPERATURE));
if ((extruderAutoFanState & 1) != newFanState) // store state in first bit
{
int newFanSpeed = (newFanState ? EXTRUDER_AUTO_FAN_SPEED : 0);
if (EXTRUDER_0_AUTO_FAN_PIN == FAN_PIN)
fanSpeed = newFanSpeed;
pinMode(EXTRUDER_0_AUTO_FAN_PIN, OUTPUT);
digitalWrite(EXTRUDER_0_AUTO_FAN_PIN, newFanSpeed);
analogWrite(EXTRUDER_0_AUTO_FAN_PIN, newFanSpeed);
extruderAutoFanState = newFanState | (extruderAutoFanState & ~1);
}
#endif //EXTRUDER_0_AUTO_FAN_PIN > -1
#if EXTRUDER_1_AUTO_FAN_PIN > -1 && EXTRUDER_1_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN
// check the extruder 1 setting (except when extruder 1 is the same as 0)
newFanState = (current_temperature[1] > EXTRUDER_AUTO_FAN_TEMPERATURE ||
(EXTRUDER_1_AUTO_FAN_PIN == EXTRUDER_2_AUTO_FAN_PIN && current_temperature[2] > EXTRUDER_AUTO_FAN_TEMPERATURE));
if ((extruderAutoFanState & 2) != (newFanState<<1)) // use second bit
#if EXTRUDER_0_AUTO_FAN_PIN > 0 || EXTRUDER_1_AUTO_FAN_PIN > 0 || EXTRUDER_2_AUTO_FAN_PIN > 0
if(millis() - extruder_autofan_last_check > 2500) // only need to check fan state very infrequently
{
int newFanSpeed = (newFanState ? EXTRUDER_AUTO_FAN_SPEED : 0);
if (EXTRUDER_1_AUTO_FAN_PIN == FAN_PIN)
fanSpeed = newFanSpeed;
pinMode(EXTRUDER_1_AUTO_FAN_PIN, OUTPUT);
digitalWrite(EXTRUDER_1_AUTO_FAN_PIN, newFanSpeed);
analogWrite(EXTRUDER_1_AUTO_FAN_PIN, newFanSpeed);
extruderAutoFanState = (newFanState<<1) | (extruderAutoFanState & ~2);
}
#endif //EXTRUDER_1_AUTO_FAN_PIN > -1
#if EXTRUDER_2_AUTO_FAN_PIN > -1 && EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN && EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_1_AUTO_FAN_PIN
// check the extruder 2 setting (except when extruder 2 is the same as 1 or 0)
newFanState = (current_temperature[2] > EXTRUDER_AUTO_FAN_TEMPERATURE);
if ((extruderAutoFanState & 4) != (newFanState<<2)) // use third bit
{
int newFanSpeed = (newFanState ? EXTRUDER_AUTO_FAN_SPEED : 0);
if (EXTRUDER_2_AUTO_FAN_PIN == FAN_PIN)
fanSpeed = newFanSpeed;
pinMode(EXTRUDER_2_AUTO_FAN_PIN, OUTPUT);
digitalWrite(EXTRUDER_2_AUTO_FAN_PIN, newFanSpeed);
analogWrite(EXTRUDER_2_AUTO_FAN_PIN, newFanSpeed);
extruderAutoFanState = (newFanState<<2) | (extruderAutoFanState & ~4);
}
#endif //EXTRUDER_2_AUTO_FAN_PIN > -1
#endif // any AUTO_FAN_PIN enabled
checkExtruderAutoFans();
extruder_autofan_last_check = millis();
}
#endif
#ifndef PIDTEMPBED
if(millis() - previous_millis_bed_heater < BED_CHECK_INTERVAL)

Write Preview
Loading…
Cancel
Save