3DPrinting/Prusa-Firmware
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
16a7adfe33
Prusa-Firmware/Firmware/temperature.cpp

2217 lines
62 KiB
C++
Raw Normal View History

3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
/*
temperature.c - temperature control
Part of Marlin
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/>.
*/
/*
This firmware is a mashup between Sprinter and grbl.
(https://github.com/kliment/Sprinter)
(https://github.com/simen/grbl/tree)
It has preliminary support for Matthew Roberts advance algorithm
http://reprap.org/pipermail/reprap-dev/2011-May/003323.html
*/
#include "Marlin.h"
#include "ultralcd.h"
#include "temperature.h"
#include "watchdog.h"
#include "cardreader.h"
#include "Sd2PinMap.h"
//===========================================================================
//=============================public variables============================
//===========================================================================
int target_temperature[EXTRUDERS] = { 0 };
int target_temperature_bed = 0;
int current_temperature_raw[EXTRUDERS] = { 0 };
float current_temperature[EXTRUDERS] = { 0.0 };
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
PINDA thermistor + extruder current adjust.
2017-08-30 19:56:48 +00:00
#ifdef PINDA_THERMISTOR
int current_temperature_raw_pinda = 0 ;
float current_temperature_pinda = 0.0;
#endif //PINDA_THERMISTOR
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
#ifdef AMBIENT_THERMISTOR
int current_temperature_raw_ambient = 0 ;
float current_temperature_ambient = 0.0;
#endif //AMBIENT_THERMISTOR
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
int current_temperature_bed_raw = 0;
float current_temperature_bed = 0.0;
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
int redundant_temperature_raw = 0;
float redundant_temperature = 0.0;
#endif
#ifdef PIDTEMP
float _Kp, _Ki, _Kd;
int pid_cycle, pid_number_of_cycles;
bool pid_tuning_finished = false;
float Kp=DEFAULT_Kp;
float Ki=(DEFAULT_Ki*PID_dT);
float Kd=(DEFAULT_Kd/PID_dT);
#ifdef PID_ADD_EXTRUSION_RATE
float Kc=DEFAULT_Kc;
#endif
#endif //PIDTEMP
#ifdef PIDTEMPBED
float bedKp=DEFAULT_bedKp;
float bedKi=(DEFAULT_bedKi*PID_dT);
float bedKd=(DEFAULT_bedKd/PID_dT);
#endif //PIDTEMPBED
#ifdef FAN_SOFT_PWM
unsigned char fanSpeedSoftPwm;
#endif
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
#if defined(LCD_PWM_PIN) && (LCD_PWM_PIN > -1)
unsigned char lcdSoftPwm = (LCD_PWM_MAX * 2 + 1); //set default value to maximum
unsigned char lcdBlinkDelay = 0; //lcd blinking delay (0 = no blink)
#endif
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
unsigned char soft_pwm_bed;
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
#ifdef BABYSTEPPING
volatile int babystepsTodo[3]={0,0,0};
#endif
#ifdef FILAMENT_SENSOR
int current_raw_filwidth = 0; //Holds measured filament diameter - one extruder only
#endif
//===========================================================================
//=============================private variables============================
//===========================================================================
static volatile bool temp_meas_ready = false;
#ifdef PIDTEMP
//static cannot be external:
static float temp_iState[EXTRUDERS] = { 0 };
static float temp_dState[EXTRUDERS] = { 0 };
static float pTerm[EXTRUDERS];
static float iTerm[EXTRUDERS];
static float dTerm[EXTRUDERS];
//int output;
static float pid_error[EXTRUDERS];
static float temp_iState_min[EXTRUDERS];
static float temp_iState_max[EXTRUDERS];
// static float pid_input[EXTRUDERS];
// static float pid_output[EXTRUDERS];
static bool pid_reset[EXTRUDERS];
#endif //PIDTEMP
#ifdef PIDTEMPBED
//static cannot be external:
static float temp_iState_bed = { 0 };
static float temp_dState_bed = { 0 };
static float pTerm_bed;
static float iTerm_bed;
static float dTerm_bed;
//int output;
static float pid_error_bed;
static float temp_iState_min_bed;
static float temp_iState_max_bed;
#else //PIDTEMPBED
static unsigned long previous_millis_bed_heater;
#endif //PIDTEMPBED
static unsigned char soft_pwm[EXTRUDERS];
#ifdef FAN_SOFT_PWM
static unsigned char soft_pwm_fan;
#endif
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1)
static unsigned long extruder_autofan_last_check;
#endif
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
#if defined(LCD_PWM_PIN) && (LCD_PWM_PIN > -1)
static unsigned char soft_pwm_lcd = 0;
static unsigned char lcd_blink_delay = 0;
static bool lcd_blink_on = false;
#endif
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
#if EXTRUDERS > 3
# error Unsupported number of extruders
#elif EXTRUDERS > 2
# define ARRAY_BY_EXTRUDERS(v1, v2, v3) { v1, v2, v3 }
#elif EXTRUDERS > 1
# define ARRAY_BY_EXTRUDERS(v1, v2, v3) { v1, v2 }
#else
# define ARRAY_BY_EXTRUDERS(v1, v2, v3) { v1 }
#endif
// Init min and max temp with extreme values to prevent false errors during startup
static int minttemp_raw[EXTRUDERS] = ARRAY_BY_EXTRUDERS( HEATER_0_RAW_LO_TEMP , HEATER_1_RAW_LO_TEMP , HEATER_2_RAW_LO_TEMP );
static int maxttemp_raw[EXTRUDERS] = ARRAY_BY_EXTRUDERS( HEATER_0_RAW_HI_TEMP , HEATER_1_RAW_HI_TEMP , HEATER_2_RAW_HI_TEMP );
static int minttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS( 0, 0, 0 );
static int maxttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS( 16383, 16383, 16383 );
#ifdef BED_MINTEMP
static int bed_minttemp_raw = HEATER_BED_RAW_LO_TEMP;
#endif
#ifdef BED_MAXTEMP
static int bed_maxttemp_raw = HEATER_BED_RAW_HI_TEMP;
#endif
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
static void *heater_ttbl_map[2] = {(void *)HEATER_0_TEMPTABLE, (void *)HEATER_1_TEMPTABLE };
static uint8_t heater_ttbllen_map[2] = { HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN };
#else
static void *heater_ttbl_map[EXTRUDERS] = ARRAY_BY_EXTRUDERS( (void *)HEATER_0_TEMPTABLE, (void *)HEATER_1_TEMPTABLE, (void *)HEATER_2_TEMPTABLE );
static uint8_t heater_ttbllen_map[EXTRUDERS] = ARRAY_BY_EXTRUDERS( HEATER_0_TEMPTABLE_LEN, HEATER_1_TEMPTABLE_LEN, HEATER_2_TEMPTABLE_LEN );
#endif
static float analog2temp(int raw, uint8_t e);
static float analog2tempBed(int raw);
Ambient thermistor - table and conversion function, extruder motor changed back to 200steps type, extruder resolution changed to 32usteps.
2017-09-06 14:04:50 +00:00
static float analog2tempAmbient(int raw);
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
static void updateTemperaturesFromRawValues();
enum TempRunawayStates
{
TempRunaway_INACTIVE = 0,
TempRunaway_PREHEAT = 1,
TempRunaway_ACTIVE = 2,
};
#ifdef WATCH_TEMP_PERIOD
int watch_start_temp[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0);
unsigned long watchmillis[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0);
#endif //WATCH_TEMP_PERIOD
#ifndef SOFT_PWM_SCALE
#define SOFT_PWM_SCALE 0
#endif
#ifdef FILAMENT_SENSOR
static int meas_shift_index; //used to point to a delayed sample in buffer for filament width sensor
#endif
//===========================================================================
//============================= functions ============================
//===========================================================================
void PID_autotune(float temp, int extruder, int ncycles)
{
pid_number_of_cycles = ncycles;
pid_tuning_finished = false;
float input = 0.0;
pid_cycle=0;
bool heating = true;
unsigned long temp_millis = millis();
unsigned long t1=temp_millis;
unsigned long t2=temp_millis;
long t_high = 0;
long t_low = 0;
long bias, d;
float Ku, Tu;
float max = 0, min = 10000;
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1)
unsigned long extruder_autofan_last_check = millis();
#endif
if ((extruder >= EXTRUDERS)
#if (TEMP_BED_PIN <= -1)
||(extruder < 0)
#endif
){
SERIAL_ECHOLN("PID Autotune failed. Bad extruder number.");
pid_tuning_finished = true;
pid_cycle = 0;
return;
}
SERIAL_ECHOLN("PID Autotune start");
disable_heater(); // switch off all heaters.
if (extruder<0)
{
soft_pwm_bed = (MAX_BED_POWER)/2;
bias = d = (MAX_BED_POWER)/2;
}
else
{
soft_pwm[extruder] = (PID_MAX)/2;
bias = d = (PID_MAX)/2;
}
for(;;) {
if(temp_meas_ready == true) { // temp sample ready
updateTemperaturesFromRawValues();
input = (extruder<0)?current_temperature_bed:current_temperature[extruder];
max=max(max,input);
min=min(min,input);
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1)
if(millis() - extruder_autofan_last_check > 2500) {
checkExtruderAutoFans();
extruder_autofan_last_check = millis();
}
#endif
if(heating == true && input > temp) {
if(millis() - t2 > 5000) {
heating=false;
if (extruder<0)
soft_pwm_bed = (bias - d) >> 1;
else
soft_pwm[extruder] = (bias - d) >> 1;
t1=millis();
t_high=t1 - t2;
max=temp;
}
}
if(heating == false && input < temp) {
if(millis() - t1 > 5000) {
heating=true;
t2=millis();
t_low=t2 - t1;
if(pid_cycle > 0) {
bias += (d*(t_high - t_low))/(t_low + t_high);
bias = constrain(bias, 20 ,(extruder<0?(MAX_BED_POWER):(PID_MAX))-20);
if(bias > (extruder<0?(MAX_BED_POWER):(PID_MAX))/2) d = (extruder<0?(MAX_BED_POWER):(PID_MAX)) - 1 - bias;
else d = bias;
SERIAL_PROTOCOLPGM(" bias: "); SERIAL_PROTOCOL(bias);
SERIAL_PROTOCOLPGM(" d: "); SERIAL_PROTOCOL(d);
SERIAL_PROTOCOLPGM(" min: "); SERIAL_PROTOCOL(min);
SERIAL_PROTOCOLPGM(" max: "); SERIAL_PROTOCOLLN(max);
if(pid_cycle > 2) {
Ku = (4.0*d)/(3.14159*(max-min)/2.0);
Tu = ((float)(t_low + t_high)/1000.0);
SERIAL_PROTOCOLPGM(" Ku: "); SERIAL_PROTOCOL(Ku);
SERIAL_PROTOCOLPGM(" Tu: "); SERIAL_PROTOCOLLN(Tu);
_Kp = 0.6*Ku;
_Ki = 2*_Kp/Tu;
_Kd = _Kp*Tu/8;
SERIAL_PROTOCOLLNPGM(" Classic PID ");
SERIAL_PROTOCOLPGM(" Kp: "); SERIAL_PROTOCOLLN(_Kp);
SERIAL_PROTOCOLPGM(" Ki: "); SERIAL_PROTOCOLLN(_Ki);
SERIAL_PROTOCOLPGM(" Kd: "); SERIAL_PROTOCOLLN(_Kd);
/*
_Kp = 0.33*Ku;
_Ki = _Kp/Tu;
_Kd = _Kp*Tu/3;
SERIAL_PROTOCOLLNPGM(" Some overshoot ");
SERIAL_PROTOCOLPGM(" Kp: "); SERIAL_PROTOCOLLN(_Kp);
SERIAL_PROTOCOLPGM(" Ki: "); SERIAL_PROTOCOLLN(_Ki);
SERIAL_PROTOCOLPGM(" Kd: "); SERIAL_PROTOCOLLN(_Kd);
_Kp = 0.2*Ku;
_Ki = 2*_Kp/Tu;
_Kd = _Kp*Tu/3;
SERIAL_PROTOCOLLNPGM(" No overshoot ");
SERIAL_PROTOCOLPGM(" Kp: "); SERIAL_PROTOCOLLN(_Kp);
SERIAL_PROTOCOLPGM(" Ki: "); SERIAL_PROTOCOLLN(_Ki);
SERIAL_PROTOCOLPGM(" Kd: "); SERIAL_PROTOCOLLN(_Kd);
*/
}
}
if (extruder<0)
soft_pwm_bed = (bias + d) >> 1;
else
soft_pwm[extruder] = (bias + d) >> 1;
pid_cycle++;
min=temp;
}
}
}
if(input > (temp + 20)) {
SERIAL_PROTOCOLLNPGM("PID Autotune failed! Temperature too high");
pid_tuning_finished = true;
pid_cycle = 0;
return;
}
if(millis() - temp_millis > 2000) {
int p;
if (extruder<0){
p=soft_pwm_bed;
SERIAL_PROTOCOLPGM("ok B:");
}else{
p=soft_pwm[extruder];
SERIAL_PROTOCOLPGM("ok T:");
}
SERIAL_PROTOCOL(input);
SERIAL_PROTOCOLPGM(" @:");
SERIAL_PROTOCOLLN(p);
temp_millis = millis();
}
if(((millis() - t1) + (millis() - t2)) > (10L*60L*1000L*2L)) {
SERIAL_PROTOCOLLNPGM("PID Autotune failed! timeout");
pid_tuning_finished = true;
pid_cycle = 0;
return;
}
if(pid_cycle > ncycles) {
SERIAL_PROTOCOLLNPGM("PID Autotune finished! Put the last Kp, Ki and Kd constants from above into Configuration.h");
pid_tuning_finished = true;
pid_cycle = 0;
return;
}
lcd_update();
}
}
void updatePID()
{
#ifdef PIDTEMP
for(int e = 0; e < EXTRUDERS; e++) {
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / Ki;
}
#endif
#ifdef PIDTEMPBED
temp_iState_max_bed = PID_INTEGRAL_DRIVE_MAX / bedKi;
#endif
}
int getHeaterPower(int heater) {
if (heater<0)
return soft_pwm_bed;
return soft_pwm[heater];
}
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1)
#if defined(FAN_PIN) && FAN_PIN > -1
#if EXTRUDER_0_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_0_AUTO_FAN_PIN equal to FAN_PIN"
#endif
#if EXTRUDER_1_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_1_AUTO_FAN_PIN equal to FAN_PIN"
#endif
#if EXTRUDER_2_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_2_AUTO_FAN_PIN equal to FAN_PIN"
#endif
#endif
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);
}
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
void countFanSpeed()
fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified
2017-09-21 13:20:02 +00:00
{
//SERIAL_ECHOPGM("edge counter 1:"); MYSERIAL.println(fan_edge_counter[1]);
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
fan_speed[0] = (fan_edge_counter[0] * (float(250) / (millis() - extruder_autofan_last_check)));
fan_speed[1] = (fan_edge_counter[1] * (float(250) / (millis() - extruder_autofan_last_check)));
fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified
2017-09-21 13:20:02 +00:00
/*SERIAL_ECHOPGM("time interval: "); MYSERIAL.println(millis() - extruder_autofan_last_check);
SERIAL_ECHOPGM("extruder fan speed:"); MYSERIAL.print(fan_speed[0]); SERIAL_ECHOPGM("; edge counter:"); MYSERIAL.println(fan_edge_counter[0]);
SERIAL_ECHOPGM("print fan speed:"); MYSERIAL.print(fan_speed[1]); SERIAL_ECHOPGM("; edge counter:"); MYSERIAL.println(fan_edge_counter[1]);
SERIAL_ECHOLNPGM(" ");*/
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
fan_edge_counter[0] = 0;
fan_edge_counter[1] = 0;
}
void checkFanSpeed()
{
fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified
2017-09-21 13:20:02 +00:00
bool fans_check_enabled = (eeprom_read_byte((uint8_t*)EEPROM_FAN_CHECK_ENABLED) > 0);
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
static unsigned char fan_speed_errors[2] = { 0,0 };
fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified
2017-09-21 13:20:02 +00:00
if (fan_speed[0] == 0 && (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE)) fan_speed_errors[0]++;
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
else fan_speed_errors[0] = 0;
fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified
2017-09-21 13:20:02 +00:00
if ((fan_speed[1] == 0)&& (fanSpeed > MIN_PRINT_FAN_SPEED)) fan_speed_errors[1]++;
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
else fan_speed_errors[1] = 0;
fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified
2017-09-21 13:20:02 +00:00
if ((fan_speed_errors[0] > 5) && fans_check_enabled) fanSpeedError(0); //extruder fan
if ((fan_speed_errors[1] > 15) && fans_check_enabled) fanSpeedError(1); //print fan
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
}
fan error improvements
2017-09-22 16:22:21 +00:00
extern void stop_and_save_print_to_ram(float z_move, float e_move);
extern void restore_print_from_ram_and_continue(float e_move);
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
void fanSpeedError(unsigned char _fan) {
fan speed error during print fixed
2017-09-22 19:21:16 +00:00
if (get_message_level() != 0 && isPrintPaused) return;
//to ensure that target temp. is not set to zero in case taht we are resuming print
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
if (card.sdprinting) {
fan error: long pause is used during print, resuming print resets error flag; stop print used during heating phase
2017-09-22 18:43:30 +00:00
if (heating_status != 0) {
lcd_print_stop();
}
fan speed error during print fixed
2017-09-22 19:21:16 +00:00
else {
isPrintPaused = true;
lcd_sdcard_pause();
}
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
}
fan error: long pause is used during print, resuming print resets error flag; stop print used during heating phase
2017-09-22 18:43:30 +00:00
else {
setTargetHotend0(0);
}
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
SERIAL_ERROR_START;
switch (_fan) {
case 0:
fan speed error during print fixed
2017-09-22 19:21:16 +00:00
SERIAL_ERRORLNPGM("ERROR: Extruder fan speed is lower then expected");
if (get_message_level() == 0) {
WRITE(BEEPER, HIGH);
delayMicroseconds(200);
WRITE(BEEPER, LOW);
delayMicroseconds(100);
LCD_ALERTMESSAGEPGM("Err: EXTR. FAN ERROR");
}
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
break;
case 1:
fan speed error during print fixed
2017-09-22 19:21:16 +00:00
SERIAL_ERRORLNPGM("ERROR: Print fan speed is lower then expected");
if (get_message_level() == 0) {
WRITE(BEEPER, HIGH);
delayMicroseconds(200);
WRITE(BEEPER, LOW);
delayMicroseconds(100);
LCD_ALERTMESSAGEPGM("Err: PRINT FAN ERROR");
}
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
break;
}
}
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
void checkExtruderAutoFans()
{
uint8_t fanState = 0;
// which fan pins need to be turned on?
#if defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1
fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified
2017-09-21 13:20:02 +00:00
if (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE)
fanState |= 1;
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
#endif
#if defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1
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 defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1
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 defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1
setExtruderAutoFanState(EXTRUDER_0_AUTO_FAN_PIN, (fanState & 1) != 0);
#endif
#if defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1
if (EXTRUDER_1_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN)
setExtruderAutoFanState(EXTRUDER_1_AUTO_FAN_PIN, (fanState & 2) != 0);
#endif
#if defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1
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;
float pid_output;
if(temp_meas_ready != true) //better readability
return;
updateTemperaturesFromRawValues();
#ifdef TEMP_RUNAWAY_BED_HYSTERESIS
temp_runaway_check(0, target_temperature_bed, current_temperature_bed, (int)soft_pwm_bed, true);
#endif
for(int e = 0; e < EXTRUDERS; e++)
{
#ifdef TEMP_RUNAWAY_EXTRUDER_HYSTERESIS
temp_runaway_check(e+1, target_temperature[e], current_temperature[e], (int)soft_pwm[e], false);
#endif
#ifdef PIDTEMP
pid_input = current_temperature[e];
#ifndef PID_OPENLOOP
pid_error[e] = target_temperature[e] - pid_input;
if(pid_error[e] > PID_FUNCTIONAL_RANGE) {
pid_output = BANG_MAX;
pid_reset[e] = true;
}
else if(pid_error[e] < -PID_FUNCTIONAL_RANGE || target_temperature[e] == 0) {
pid_output = 0;
pid_reset[e] = true;
}
else {
if(pid_reset[e] == true) {
temp_iState[e] = 0.0;
pid_reset[e] = false;
}
pTerm[e] = Kp * pid_error[e];
temp_iState[e] += pid_error[e];
temp_iState[e] = constrain(temp_iState[e], temp_iState_min[e], temp_iState_max[e]);
iTerm[e] = Ki * temp_iState[e];
//K1 defined in Configuration.h in the PID settings
#define K2 (1.0-K1)
dTerm[e] = (Kd * (pid_input - temp_dState[e]))*K2 + (K1 * dTerm[e]);
pid_output = pTerm[e] + iTerm[e] - dTerm[e];
if (pid_output > PID_MAX) {
if (pid_error[e] > 0 ) temp_iState[e] -= pid_error[e]; // conditional un-integration
pid_output=PID_MAX;
} else if (pid_output < 0){
if (pid_error[e] < 0 ) temp_iState[e] -= pid_error[e]; // conditional un-integration
pid_output=0;
}
}
temp_dState[e] = pid_input;
#else
pid_output = constrain(target_temperature[e], 0, PID_MAX);
#endif //PID_OPENLOOP
#ifdef PID_DEBUG
SERIAL_ECHO_START;
SERIAL_ECHO(" PID_DEBUG ");
SERIAL_ECHO(e);
SERIAL_ECHO(": Input ");
SERIAL_ECHO(pid_input);
SERIAL_ECHO(" Output ");
SERIAL_ECHO(pid_output);
SERIAL_ECHO(" pTerm ");
SERIAL_ECHO(pTerm[e]);
SERIAL_ECHO(" iTerm ");
SERIAL_ECHO(iTerm[e]);
SERIAL_ECHO(" dTerm ");
SERIAL_ECHOLN(dTerm[e]);
#endif //PID_DEBUG
#else /* PID off */
pid_output = 0;
if(current_temperature[e] < target_temperature[e]) {
pid_output = PID_MAX;
}
#endif
// Check if temperature is within the correct range
if((current_temperature[e] > minttemp[e]) && (current_temperature[e] < maxttemp[e]))
{
soft_pwm[e] = (int)pid_output >> 1;
}
else {
soft_pwm[e] = 0;
}
#ifdef WATCH_TEMP_PERIOD
if(watchmillis[e] && millis() - watchmillis[e] > WATCH_TEMP_PERIOD)
{
if(degHotend(e) < watch_start_temp[e] + WATCH_TEMP_INCREASE)
{
setTargetHotend(0, e);
LCD_MESSAGEPGM("Heating failed");
SERIAL_ECHO_START;
SERIAL_ECHOLN("Heating failed");
}else{
watchmillis[e] = 0;
}
}
#endif
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
if(fabs(current_temperature[0] - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF) {
disable_heater();
if(IsStopped() == false) {
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Extruder switched off. Temperature difference between temp sensors is too high !");
LCD_ALERTMESSAGEPGM("Err: REDUNDANT TEMP ERROR");
}
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop();
#endif
}
#endif
} // End extruder for loop
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1)
if(millis() - extruder_autofan_last_check > 1000) // only need to check fan state very infrequently
{
pat9125 filament sensor sg homing - bug fix + homing multiple axes simultanously (AXIS_MASK)
2017-07-07 02:45:09 +00:00
countFanSpeed();
checkFanSpeed();
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
checkExtruderAutoFans();
extruder_autofan_last_check = millis();
}
#endif
#ifndef PIDTEMPBED
if(millis() - previous_millis_bed_heater < BED_CHECK_INTERVAL)
return;
previous_millis_bed_heater = millis();
#endif
#if TEMP_SENSOR_BED != 0
#ifdef PIDTEMPBED
pid_input = current_temperature_bed;
#ifndef PID_OPENLOOP
pid_error_bed = target_temperature_bed - pid_input;
pTerm_bed = bedKp * pid_error_bed;
temp_iState_bed += pid_error_bed;
temp_iState_bed = constrain(temp_iState_bed, temp_iState_min_bed, temp_iState_max_bed);
iTerm_bed = bedKi * temp_iState_bed;
//K1 defined in Configuration.h in the PID settings
#define K2 (1.0-K1)
dTerm_bed= (bedKd * (pid_input - temp_dState_bed))*K2 + (K1 * dTerm_bed);
temp_dState_bed = pid_input;
pid_output = pTerm_bed + iTerm_bed - dTerm_bed;
if (pid_output > MAX_BED_POWER) {
if (pid_error_bed > 0 ) temp_iState_bed -= pid_error_bed; // conditional un-integration
pid_output=MAX_BED_POWER;
} else if (pid_output < 0){
if (pid_error_bed < 0 ) temp_iState_bed -= pid_error_bed; // conditional un-integration
pid_output=0;
}
#else
pid_output = constrain(target_temperature_bed, 0, MAX_BED_POWER);
#endif //PID_OPENLOOP
if((current_temperature_bed > BED_MINTEMP) && (current_temperature_bed < BED_MAXTEMP))
{
soft_pwm_bed = (int)pid_output >> 1;
}
else {
soft_pwm_bed = 0;
}
#elif !defined(BED_LIMIT_SWITCHING)
// Check if temperature is within the correct range
if((current_temperature_bed > BED_MINTEMP) && (current_temperature_bed < BED_MAXTEMP))
{
if(current_temperature_bed >= target_temperature_bed)
{
soft_pwm_bed = 0;
}
else
{
soft_pwm_bed = MAX_BED_POWER>>1;
}
}
else
{
soft_pwm_bed = 0;
WRITE(HEATER_BED_PIN,LOW);
}
#else //#ifdef BED_LIMIT_SWITCHING
// Check if temperature is within the correct band
if((current_temperature_bed > BED_MINTEMP) && (current_temperature_bed < BED_MAXTEMP))
{
if(current_temperature_bed > target_temperature_bed + BED_HYSTERESIS)
{
soft_pwm_bed = 0;
}
else if(current_temperature_bed <= target_temperature_bed - BED_HYSTERESIS)
{
soft_pwm_bed = MAX_BED_POWER>>1;
}
}
else
{
soft_pwm_bed = 0;
WRITE(HEATER_BED_PIN,LOW);
}
#endif
#endif
//code for controlling the extruder rate based on the width sensor
#ifdef FILAMENT_SENSOR
if(filament_sensor)
{
meas_shift_index=delay_index1-meas_delay_cm;
if(meas_shift_index<0)
meas_shift_index = meas_shift_index + (MAX_MEASUREMENT_DELAY+1); //loop around buffer if needed
//get the delayed info and add 100 to reconstitute to a percent of the nominal filament diameter
//then square it to get an area
if(meas_shift_index<0)
meas_shift_index=0;
else if (meas_shift_index>MAX_MEASUREMENT_DELAY)
meas_shift_index=MAX_MEASUREMENT_DELAY;
volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM] = pow((float)(100+measurement_delay[meas_shift_index])/100.0,2);
if (volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM] <0.01)
volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM]=0.01;
}
#endif
keepalive messages initial version
2017-11-15 14:09:29 +00:00
#ifdef HOST_KEEPALIVE_FEATURE
host_keepalive();
#endif
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
}
#define PGM_RD_W(x) (short)pgm_read_word(&x)
// Derived from RepRap FiveD extruder::getTemperature()
// For hot end temperature measurement.
static float analog2temp(int raw, uint8_t e) {
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
if(e > EXTRUDERS)
#else
if(e >= EXTRUDERS)
#endif
{
SERIAL_ERROR_START;
SERIAL_ERROR((int)e);
SERIAL_ERRORLNPGM(" - Invalid extruder number !");
recover print
2017-07-04 09:31:39 +00:00
kill("", 6);
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
return 0.0;
}
#ifdef HEATER_0_USES_MAX6675
if (e == 0)
{
return 0.25 * raw;
}
#endif
if(heater_ttbl_map[e] != NULL)
{
float celsius = 0;
uint8_t i;
short (*tt)[][2] = (short (*)[][2])(heater_ttbl_map[e]);
for (i=1; i<heater_ttbllen_map[e]; i++)
{
if (PGM_RD_W((*tt)[i][0]) > raw)
{
celsius = PGM_RD_W((*tt)[i-1][1]) +
(raw - PGM_RD_W((*tt)[i-1][0])) *
(float)(PGM_RD_W((*tt)[i][1]) - PGM_RD_W((*tt)[i-1][1])) /
(float)(PGM_RD_W((*tt)[i][0]) - PGM_RD_W((*tt)[i-1][0]));
break;
}
}
// Overflow: Set to last value in the table
if (i == heater_ttbllen_map[e]) celsius = PGM_RD_W((*tt)[i-1][1]);
return celsius;
}
return ((raw * ((5.0 * 100.0) / 1024.0) / OVERSAMPLENR) * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET;
}
// Derived from RepRap FiveD extruder::getTemperature()
// For bed temperature measurement.
static float analog2tempBed(int raw) {
#ifdef BED_USES_THERMISTOR
float celsius = 0;
byte i;
for (i=1; i<BEDTEMPTABLE_LEN; i++)
{
if (PGM_RD_W(BEDTEMPTABLE[i][0]) > raw)
{
celsius = PGM_RD_W(BEDTEMPTABLE[i-1][1]) +
(raw - PGM_RD_W(BEDTEMPTABLE[i-1][0])) *
(float)(PGM_RD_W(BEDTEMPTABLE[i][1]) - PGM_RD_W(BEDTEMPTABLE[i-1][1])) /
(float)(PGM_RD_W(BEDTEMPTABLE[i][0]) - PGM_RD_W(BEDTEMPTABLE[i-1][0]));
break;
}
}
// Overflow: Set to last value in the table
if (i == BEDTEMPTABLE_LEN) celsius = PGM_RD_W(BEDTEMPTABLE[i-1][1]);
// temperature offset adjustment
#ifdef BED_OFFSET
float _offset = BED_OFFSET;
float _offset_center = BED_OFFSET_CENTER;
float _offset_start = BED_OFFSET_START;
float _first_koef = (_offset / 2) / (_offset_center - _offset_start);
float _second_koef = (_offset / 2) / (100 - _offset_center);
if (celsius >= _offset_start && celsius <= _offset_center)
{
celsius = celsius + (_first_koef * (celsius - _offset_start));
}
else if (celsius > _offset_center && celsius <= 100)
{
celsius = celsius + (_first_koef * (_offset_center - _offset_start)) + ( _second_koef * ( celsius - ( 100 - _offset_center ) )) ;
}
else if (celsius > 100)
{
celsius = celsius + _offset;
}
#endif
return celsius;
#elif defined BED_USES_AD595
return ((raw * ((5.0 * 100.0) / 1024.0) / OVERSAMPLENR) * TEMP_SENSOR_AD595_GAIN) + TEMP_SENSOR_AD595_OFFSET;
#else
return 0;
#endif
}
Ambient thermistor - table and conversion function, extruder motor changed back to 200steps type, extruder resolution changed to 32usteps.
2017-09-06 14:04:50 +00:00
static float analog2tempAmbient(int raw)
{
float celsius = 0;
byte i;
for (i=1; i<AMBIENTTEMPTABLE_LEN; i++)
{
if (PGM_RD_W(AMBIENTTEMPTABLE[i][0]) > raw)
{
celsius = PGM_RD_W(AMBIENTTEMPTABLE[i-1][1]) +
(raw - PGM_RD_W(AMBIENTTEMPTABLE[i-1][0])) *
(float)(PGM_RD_W(AMBIENTTEMPTABLE[i][1]) - PGM_RD_W(AMBIENTTEMPTABLE[i-1][1])) /
(float)(PGM_RD_W(AMBIENTTEMPTABLE[i][0]) - PGM_RD_W(AMBIENTTEMPTABLE[i-1][0]));
break;
}
}
// Overflow: Set to last value in the table
if (i == AMBIENTTEMPTABLE_LEN) celsius = PGM_RD_W(AMBIENTTEMPTABLE[i-1][1]);
return celsius;
}
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
/* Called to get the raw values into the the actual temperatures. The raw values are created in interrupt context,
and this function is called from normal context as it is too slow to run in interrupts and will block the stepper routine otherwise */
static void updateTemperaturesFromRawValues()
{
for(uint8_t e=0;e<EXTRUDERS;e++)
{
current_temperature[e] = analog2temp(current_temperature_raw[e], e);
}
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
PINDA thermistor + extruder current adjust.
2017-08-30 19:56:48 +00:00
#ifdef PINDA_THERMISTOR
current_temperature_pinda = analog2tempBed(current_temperature_raw_pinda); //thermistor for pinda is the same as for bed
#endif
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
#ifdef AMBIENT_THERMISTOR
Ambient thermistor - table and conversion function, extruder motor changed back to 200steps type, extruder resolution changed to 32usteps.
2017-09-06 14:04:50 +00:00
current_temperature_ambient = analog2tempAmbient(current_temperature_raw_ambient); //thermistor for ambient is NTCG104LH104JT1 (2000)
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
#endif
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
current_temperature_bed = analog2tempBed(current_temperature_bed_raw);
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
redundant_temperature = analog2temp(redundant_temperature_raw, 1);
#endif
#if defined (FILAMENT_SENSOR) && (FILWIDTH_PIN > -1) //check if a sensor is supported
filament_width_meas = analog2widthFil();
#endif
//Reset the watchdog after we know we have a temperature measurement.
watchdog_reset();
CRITICAL_SECTION_START;
temp_meas_ready = false;
CRITICAL_SECTION_END;
}
// For converting raw Filament Width to milimeters
#ifdef FILAMENT_SENSOR
float analog2widthFil() {
return current_raw_filwidth/16383.0*5.0;
//return current_raw_filwidth;
}
// For converting raw Filament Width to a ratio
int widthFil_to_size_ratio() {
float temp;
temp=filament_width_meas;
if(filament_width_meas<MEASURED_LOWER_LIMIT)
temp=filament_width_nominal; //assume sensor cut out
else if (filament_width_meas>MEASURED_UPPER_LIMIT)
temp= MEASURED_UPPER_LIMIT;
return(filament_width_nominal/temp*100);
}
#endif
void tp_init()
{
#if MB(RUMBA) && ((TEMP_SENSOR_0==-1)||(TEMP_SENSOR_1==-1)||(TEMP_SENSOR_2==-1)||(TEMP_SENSOR_BED==-1))
//disable RUMBA JTAG in case the thermocouple extension is plugged on top of JTAG connector
MCUCR=(1<<JTD);
MCUCR=(1<<JTD);
#endif
// Finish init of mult extruder arrays
for(int e = 0; e < EXTRUDERS; e++) {
// populate with the first value
maxttemp[e] = maxttemp[0];
#ifdef PIDTEMP
temp_iState_min[e] = 0.0;
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / Ki;
#endif //PIDTEMP
#ifdef PIDTEMPBED
temp_iState_min_bed = 0.0;
temp_iState_max_bed = PID_INTEGRAL_DRIVE_MAX / bedKi;
#endif //PIDTEMPBED
}
#if defined(HEATER_0_PIN) && (HEATER_0_PIN > -1)
SET_OUTPUT(HEATER_0_PIN);
#endif
#if defined(HEATER_1_PIN) && (HEATER_1_PIN > -1)
SET_OUTPUT(HEATER_1_PIN);
#endif
#if defined(HEATER_2_PIN) && (HEATER_2_PIN > -1)
SET_OUTPUT(HEATER_2_PIN);
#endif
#if defined(HEATER_BED_PIN) && (HEATER_BED_PIN > -1)
SET_OUTPUT(HEATER_BED_PIN);
#endif
#if defined(FAN_PIN) && (FAN_PIN > -1)
SET_OUTPUT(FAN_PIN);
#ifdef FAST_PWM_FAN
setPwmFrequency(FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8
#endif
#ifdef FAN_SOFT_PWM
soft_pwm_fan = fanSpeedSoftPwm / 2;
#endif
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
#if defined(LCD_PWM_PIN) && (LCD_PWM_PIN > -1)
soft_pwm_lcd = lcdSoftPwm / 2;
lcd_blink_delay = lcdBlinkDelay;
lcd_blink_on = true;
#endif
#endif
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
#ifdef HEATER_0_USES_MAX6675
#ifndef SDSUPPORT
SET_OUTPUT(SCK_PIN);
WRITE(SCK_PIN,0);
SET_OUTPUT(MOSI_PIN);
WRITE(MOSI_PIN,1);
SET_INPUT(MISO_PIN);
WRITE(MISO_PIN,1);
#endif
/* Using pinMode and digitalWrite, as that was the only way I could get it to compile */
//Have to toggle SD card CS pin to low first, to enable firmware to talk with SD card
pinMode(SS_PIN, OUTPUT);
digitalWrite(SS_PIN,0);
pinMode(MAX6675_SS, OUTPUT);
digitalWrite(MAX6675_SS,1);
#endif
// Set analog inputs
ADCSRA = 1<<ADEN | 1<<ADSC | 1<<ADIF | 0x07;
DIDR0 = 0;
#ifdef DIDR2
DIDR2 = 0;
#endif
#if defined(TEMP_0_PIN) && (TEMP_0_PIN > -1)
#if TEMP_0_PIN < 8
DIDR0 |= 1 << TEMP_0_PIN;
#else
DIDR2 |= 1<<(TEMP_0_PIN - 8);
#endif
#endif
#if defined(TEMP_1_PIN) && (TEMP_1_PIN > -1)
#if TEMP_1_PIN < 8
DIDR0 |= 1<<TEMP_1_PIN;
#else
DIDR2 |= 1<<(TEMP_1_PIN - 8);
#endif
#endif
#if defined(TEMP_2_PIN) && (TEMP_2_PIN > -1)
#if TEMP_2_PIN < 8
DIDR0 |= 1 << TEMP_2_PIN;
#else
DIDR2 |= 1<<(TEMP_2_PIN - 8);
#endif
#endif
#if defined(TEMP_BED_PIN) && (TEMP_BED_PIN > -1)
#if TEMP_BED_PIN < 8
DIDR0 |= 1<<TEMP_BED_PIN;
#else
DIDR2 |= 1<<(TEMP_BED_PIN - 8);
#endif
#endif
//Added for Filament Sensor
#ifdef FILAMENT_SENSOR
#if defined(FILWIDTH_PIN) && (FILWIDTH_PIN > -1)
#if FILWIDTH_PIN < 8
DIDR0 |= 1<<FILWIDTH_PIN;
#else
DIDR2 |= 1<<(FILWIDTH_PIN - 8);
#endif
#endif
#endif
// Use timer0 for temperature measurement
// Interleave temperature interrupt with millies interrupt
OCR0B = 128;
TIMSK0 |= (1<<OCIE0B);
// Wait for temperature measurement to settle
delay(250);
#ifdef HEATER_0_MINTEMP
minttemp[0] = HEATER_0_MINTEMP;
while(analog2temp(minttemp_raw[0], 0) < HEATER_0_MINTEMP) {
#if HEATER_0_RAW_LO_TEMP < HEATER_0_RAW_HI_TEMP
minttemp_raw[0] += OVERSAMPLENR;
#else
minttemp_raw[0] -= OVERSAMPLENR;
#endif
}
#endif //MINTEMP
#ifdef HEATER_0_MAXTEMP
maxttemp[0] = HEATER_0_MAXTEMP;
while(analog2temp(maxttemp_raw[0], 0) > HEATER_0_MAXTEMP) {
#if HEATER_0_RAW_LO_TEMP < HEATER_0_RAW_HI_TEMP
maxttemp_raw[0] -= OVERSAMPLENR;
#else
maxttemp_raw[0] += OVERSAMPLENR;
#endif
}
#endif //MAXTEMP
#if (EXTRUDERS > 1) && defined(HEATER_1_MINTEMP)
minttemp[1] = HEATER_1_MINTEMP;
while(analog2temp(minttemp_raw[1], 1) < HEATER_1_MINTEMP) {
#if HEATER_1_RAW_LO_TEMP < HEATER_1_RAW_HI_TEMP
minttemp_raw[1] += OVERSAMPLENR;
#else
minttemp_raw[1] -= OVERSAMPLENR;
#endif
}
#endif // MINTEMP 1
#if (EXTRUDERS > 1) && defined(HEATER_1_MAXTEMP)
maxttemp[1] = HEATER_1_MAXTEMP;
while(analog2temp(maxttemp_raw[1], 1) > HEATER_1_MAXTEMP) {
#if HEATER_1_RAW_LO_TEMP < HEATER_1_RAW_HI_TEMP
maxttemp_raw[1] -= OVERSAMPLENR;
#else
maxttemp_raw[1] += OVERSAMPLENR;
#endif
}
#endif //MAXTEMP 1
#if (EXTRUDERS > 2) && defined(HEATER_2_MINTEMP)
minttemp[2] = HEATER_2_MINTEMP;
while(analog2temp(minttemp_raw[2], 2) < HEATER_2_MINTEMP) {
#if HEATER_2_RAW_LO_TEMP < HEATER_2_RAW_HI_TEMP
minttemp_raw[2] += OVERSAMPLENR;
#else
minttemp_raw[2] -= OVERSAMPLENR;
#endif
}
#endif //MINTEMP 2
#if (EXTRUDERS > 2) && defined(HEATER_2_MAXTEMP)
maxttemp[2] = HEATER_2_MAXTEMP;
while(analog2temp(maxttemp_raw[2], 2) > HEATER_2_MAXTEMP) {
#if HEATER_2_RAW_LO_TEMP < HEATER_2_RAW_HI_TEMP
maxttemp_raw[2] -= OVERSAMPLENR;
#else
maxttemp_raw[2] += OVERSAMPLENR;
#endif
}
#endif //MAXTEMP 2
#ifdef BED_MINTEMP
/* No bed MINTEMP error implemented?!? */
while(analog2tempBed(bed_minttemp_raw) < BED_MINTEMP) {
#if HEATER_BED_RAW_LO_TEMP < HEATER_BED_RAW_HI_TEMP
bed_minttemp_raw += OVERSAMPLENR;
#else
bed_minttemp_raw -= OVERSAMPLENR;
#endif
}
#endif //BED_MINTEMP
#ifdef BED_MAXTEMP
while(analog2tempBed(bed_maxttemp_raw) > BED_MAXTEMP) {
#if HEATER_BED_RAW_LO_TEMP < HEATER_BED_RAW_HI_TEMP
bed_maxttemp_raw -= OVERSAMPLENR;
#else
bed_maxttemp_raw += OVERSAMPLENR;
#endif
}
#endif //BED_MAXTEMP
}
void setWatch()
{
#ifdef WATCH_TEMP_PERIOD
for (int e = 0; e < EXTRUDERS; e++)
{
if(degHotend(e) < degTargetHotend(e) - (WATCH_TEMP_INCREASE * 2))
{
watch_start_temp[e] = degHotend(e);
watchmillis[e] = millis();
}
}
#endif
}
#if (defined (TEMP_RUNAWAY_BED_HYSTERESIS) && TEMP_RUNAWAY_BED_TIMEOUT > 0) || (defined (TEMP_RUNAWAY_EXTRUDER_HYSTERESIS) && TEMP_RUNAWAY_EXTRUDER_TIMEOUT > 0)
void temp_runaway_check(int _heater_id, float _target_temperature, float _current_temperature, float _output, bool _isbed)
{
float __hysteresis = 0;
int __timeout = 0;
bool temp_runaway_check_active = false;
static float __preheat_start[2] = { 0,0}; //currently just bed and one extruder
static int __preheat_counter[2] = { 0,0};
static int __preheat_errors[2] = { 0,0};
#ifdef TEMP_RUNAWAY_BED_TIMEOUT
if (_isbed)
{
__hysteresis = TEMP_RUNAWAY_BED_HYSTERESIS;
__timeout = TEMP_RUNAWAY_BED_TIMEOUT;
}
#endif
#ifdef TEMP_RUNAWAY_EXTRUDER_TIMEOUT
if (!_isbed)
{
__hysteresis = TEMP_RUNAWAY_EXTRUDER_HYSTERESIS;
__timeout = TEMP_RUNAWAY_EXTRUDER_TIMEOUT;
}
#endif
if (millis() - temp_runaway_timer[_heater_id] > 2000)
{
temp_runaway_timer[_heater_id] = millis();
if (_output == 0)
{
temp_runaway_check_active = false;
temp_runaway_error_counter[_heater_id] = 0;
}
if (temp_runaway_target[_heater_id] != _target_temperature)
{
if (_target_temperature > 0)
{
temp_runaway_status[_heater_id] = TempRunaway_PREHEAT;
temp_runaway_target[_heater_id] = _target_temperature;
__preheat_start[_heater_id] = _current_temperature;
__preheat_counter[_heater_id] = 0;
}
else
{
temp_runaway_status[_heater_id] = TempRunaway_INACTIVE;
temp_runaway_target[_heater_id] = _target_temperature;
}
}
if (temp_runaway_status[_heater_id] == TempRunaway_PREHEAT)
{
if (_current_temperature < ((_isbed) ? (0.8 * _target_temperature) : 150)) //check only in area where temperature is changing fastly for heater, check to 0.8 x target temperature for bed
{
__preheat_counter[_heater_id]++;
if (__preheat_counter[_heater_id] > ((_isbed) ? 16 : 8)) // periodicaly check if current temperature changes
{
/*SERIAL_ECHOPGM("Heater:");
MYSERIAL.print(_heater_id);
SERIAL_ECHOPGM(" T:");
MYSERIAL.print(_current_temperature);
SERIAL_ECHOPGM(" Tstart:");
MYSERIAL.print(__preheat_start[_heater_id]);*/
if (_current_temperature - __preheat_start[_heater_id] < 2) {
__preheat_errors[_heater_id]++;
/*SERIAL_ECHOPGM(" Preheat errors:");
MYSERIAL.println(__preheat_errors[_heater_id]);*/
}
else {
//SERIAL_ECHOLNPGM("");
__preheat_errors[_heater_id] = 0;
}
if (__preheat_errors[_heater_id] > ((_isbed) ? 2 : 5))
{
if (farm_mode) { prusa_statistics(0); }
temp_runaway_stop(true, _isbed);
if (farm_mode) { prusa_statistics(91); }
}
__preheat_start[_heater_id] = _current_temperature;
__preheat_counter[_heater_id] = 0;
}
}
}
if (_current_temperature >= _target_temperature && temp_runaway_status[_heater_id] == TempRunaway_PREHEAT)
{
temp_runaway_status[_heater_id] = TempRunaway_ACTIVE;
temp_runaway_check_active = false;
}
if (!temp_runaway_check_active && _output > 0)
{
temp_runaway_check_active = true;
}
if (temp_runaway_check_active)
{
// we are in range
if (_target_temperature - __hysteresis < _current_temperature && _current_temperature < _target_temperature + __hysteresis)
{
temp_runaway_check_active = false;
temp_runaway_error_counter[_heater_id] = 0;
}
else
{
if (temp_runaway_status[_heater_id] > TempRunaway_PREHEAT)
{
temp_runaway_error_counter[_heater_id]++;
if (temp_runaway_error_counter[_heater_id] * 2 > __timeout)
{
if (farm_mode) { prusa_statistics(0); }
temp_runaway_stop(false, _isbed);
if (farm_mode) { prusa_statistics(90); }
}
}
}
}
}
}
void temp_runaway_stop(bool isPreheat, bool isBed)
{
cancel_heatup = true;
quickStop();
if (card.sdprinting)
{
card.sdprinting = false;
card.closefile();
}
disable_heater();
disable_x();
disable_y();
disable_e0();
disable_e1();
disable_e2();
manage_heater();
lcd_update();
WRITE(BEEPER, HIGH);
delayMicroseconds(500);
WRITE(BEEPER, LOW);
delayMicroseconds(100);
if (isPreheat)
{
Stop();
isBed ? LCD_ALERTMESSAGEPGM("BED PREHEAT ERROR") : LCD_ALERTMESSAGEPGM("PREHEAT ERROR");
SERIAL_ERROR_START;
isBed ? SERIAL_ERRORLNPGM(" THERMAL RUNAWAY ( PREHEAT HEATBED)") : SERIAL_ERRORLNPGM(" THERMAL RUNAWAY ( PREHEAT HOTEND)");
SET_OUTPUT(EXTRUDER_0_AUTO_FAN_PIN);
SET_OUTPUT(FAN_PIN);
WRITE(EXTRUDER_0_AUTO_FAN_PIN, 1);
analogWrite(FAN_PIN, 255);
fanSpeed = 255;
delayMicroseconds(2000);
}
else
{
isBed ? LCD_ALERTMESSAGEPGM("BED THERMAL RUNAWAY") : LCD_ALERTMESSAGEPGM("THERMAL RUNAWAY");
SERIAL_ERROR_START;
isBed ? SERIAL_ERRORLNPGM(" HEATBED THERMAL RUNAWAY") : SERIAL_ERRORLNPGM(" HOTEND THERMAL RUNAWAY");
}
}
#endif
void disable_heater()
{
for(int i=0;i<EXTRUDERS;i++)
setTargetHotend(0,i);
setTargetBed(0);
#if defined(TEMP_0_PIN) && TEMP_0_PIN > -1
target_temperature[0]=0;
soft_pwm[0]=0;
#if defined(HEATER_0_PIN) && HEATER_0_PIN > -1
WRITE(HEATER_0_PIN,LOW);
#endif
#endif
#if defined(TEMP_1_PIN) && TEMP_1_PIN > -1 && EXTRUDERS > 1
target_temperature[1]=0;
soft_pwm[1]=0;
#if defined(HEATER_1_PIN) && HEATER_1_PIN > -1
WRITE(HEATER_1_PIN,LOW);
#endif
#endif
#if defined(TEMP_2_PIN) && TEMP_2_PIN > -1 && EXTRUDERS > 2
target_temperature[2]=0;
soft_pwm[2]=0;
#if defined(HEATER_2_PIN) && HEATER_2_PIN > -1
WRITE(HEATER_2_PIN,LOW);
#endif
#endif
#if defined(TEMP_BED_PIN) && TEMP_BED_PIN > -1
target_temperature_bed=0;
soft_pwm_bed=0;
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1
WRITE(HEATER_BED_PIN,LOW);
#endif
#endif
}
void max_temp_error(uint8_t e) {
disable_heater();
if(IsStopped() == false) {
SERIAL_ERROR_START;
SERIAL_ERRORLN((int)e);
SERIAL_ERRORLNPGM(": Extruder switched off. MAXTEMP triggered !");
LCD_ALERTMESSAGEPGM("Err: MAXTEMP");
}
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop();
#endif
SET_OUTPUT(EXTRUDER_0_AUTO_FAN_PIN);
SET_OUTPUT(FAN_PIN);
SET_OUTPUT(BEEPER);
WRITE(FAN_PIN, 1);
WRITE(EXTRUDER_0_AUTO_FAN_PIN, 1);
WRITE(BEEPER, 1);
// fanSpeed will consumed by the check_axes_activity() routine.
fanSpeed=255;
if (farm_mode) { prusa_statistics(93); }
}
void min_temp_error(uint8_t e) {
DEBUG defines, variant files for MK3
2017-07-04 14:23:28 +00:00
#ifdef DEBUG_DISABLE_MINTEMP
return;
#endif
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
disable_heater();
if(IsStopped() == false) {
SERIAL_ERROR_START;
SERIAL_ERRORLN((int)e);
SERIAL_ERRORLNPGM(": Extruder switched off. MINTEMP triggered !");
LCD_ALERTMESSAGEPGM("Err: MINTEMP");
}
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop();
#endif
if (farm_mode) { prusa_statistics(92); }
}
void bed_max_temp_error(void) {
#if HEATER_BED_PIN > -1
WRITE(HEATER_BED_PIN, 0);
#endif
if(IsStopped() == false) {
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature heated bed switched off. MAXTEMP triggered !");
LCD_ALERTMESSAGEPGM("Err: MAXTEMP BED");
}
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop();
#endif
}
void bed_min_temp_error(void) {
DEBUG defines, variant files for MK3
2017-07-04 14:23:28 +00:00
#ifdef DEBUG_DISABLE_MINTEMP
return;
#endif
#if HEATER_BED_PIN > -1
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
WRITE(HEATER_BED_PIN, 0);
#endif
if(IsStopped() == false) {
SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature heated bed switched off. MINTEMP triggered !");
LCD_ALERTMESSAGEPGM("Err: MINTEMP BED");
}
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop();
#endif*/
}
#ifdef HEATER_0_USES_MAX6675
#define MAX6675_HEAT_INTERVAL 250
long max6675_previous_millis = MAX6675_HEAT_INTERVAL;
int max6675_temp = 2000;
int read_max6675()
{
if (millis() - max6675_previous_millis < MAX6675_HEAT_INTERVAL)
return max6675_temp;
max6675_previous_millis = millis();
max6675_temp = 0;
#ifdef PRR
PRR &= ~(1<<PRSPI);
#elif defined PRR0
PRR0 &= ~(1<<PRSPI);
#endif
SPCR = (1<<MSTR) | (1<<SPE) | (1<<SPR0);
// enable TT_MAX6675
WRITE(MAX6675_SS, 0);
// ensure 100ns delay - a bit extra is fine
asm("nop");//50ns on 20Mhz, 62.5ns on 16Mhz
asm("nop");//50ns on 20Mhz, 62.5ns on 16Mhz
// read MSB
SPDR = 0;
for (;(SPSR & (1<<SPIF)) == 0;);
max6675_temp = SPDR;
max6675_temp <<= 8;
// read LSB
SPDR = 0;
for (;(SPSR & (1<<SPIF)) == 0;);
max6675_temp |= SPDR;
// disable TT_MAX6675
WRITE(MAX6675_SS, 1);
if (max6675_temp & 4)
{
// thermocouple open
max6675_temp = 2000;
}
else
{
max6675_temp = max6675_temp >> 3;
}
return max6675_temp;
}
#endif
// Timer 0 is shared with millies
ISR(TIMER0_COMPB_vect)
{
position saving and restoring in UVLO
2017-07-01 22:11:21 +00:00
// if (UVLO) uvlo();
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
//these variables are only accesible from the ISR, but static, so they don't lose their value
static unsigned char temp_count = 0;
static unsigned long raw_temp_0_value = 0;
static unsigned long raw_temp_1_value = 0;
static unsigned long raw_temp_2_value = 0;
static unsigned long raw_temp_bed_value = 0;
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
static unsigned long raw_temp_pinda_value = 0;
static unsigned long raw_temp_ambient_value = 0;
static unsigned char temp_state = 14;
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
static unsigned char pwm_count = (1 << SOFT_PWM_SCALE);
static unsigned char soft_pwm_0;
#ifdef SLOW_PWM_HEATERS
static unsigned char slow_pwm_count = 0;
static unsigned char state_heater_0 = 0;
static unsigned char state_timer_heater_0 = 0;
#endif
#if (EXTRUDERS > 1) || defined(HEATERS_PARALLEL)
static unsigned char soft_pwm_1;
#ifdef SLOW_PWM_HEATERS
static unsigned char state_heater_1 = 0;
static unsigned char state_timer_heater_1 = 0;
#endif
#endif
#if EXTRUDERS > 2
static unsigned char soft_pwm_2;
#ifdef SLOW_PWM_HEATERS
static unsigned char state_heater_2 = 0;
static unsigned char state_timer_heater_2 = 0;
#endif
#endif
#if HEATER_BED_PIN > -1
static unsigned char soft_pwm_b;
#ifdef SLOW_PWM_HEATERS
static unsigned char state_heater_b = 0;
static unsigned char state_timer_heater_b = 0;
#endif
#endif
#if defined(FILWIDTH_PIN) &&(FILWIDTH_PIN > -1)
static unsigned long raw_filwidth_value = 0; //added for filament width sensor
#endif
#ifndef SLOW_PWM_HEATERS
/*
* standard PWM modulation
*/
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
if (pwm_count == 0)
{
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
soft_pwm_0 = soft_pwm[0];
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
if(soft_pwm_0 > 0)
{
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
WRITE(HEATER_0_PIN,1);
#ifdef HEATERS_PARALLEL
WRITE(HEATER_1_PIN,1);
#endif
} else WRITE(HEATER_0_PIN,0);
#if EXTRUDERS > 1
soft_pwm_1 = soft_pwm[1];
if(soft_pwm_1 > 0) WRITE(HEATER_1_PIN,1); else WRITE(HEATER_1_PIN,0);
#endif
#if EXTRUDERS > 2
soft_pwm_2 = soft_pwm[2];
if(soft_pwm_2 > 0) WRITE(HEATER_2_PIN,1); else WRITE(HEATER_2_PIN,0);
#endif
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1
soft_pwm_b = soft_pwm_bed;
if(soft_pwm_b > 0) WRITE(HEATER_BED_PIN,1); else WRITE(HEATER_BED_PIN,0);
#endif
#ifdef FAN_SOFT_PWM
soft_pwm_fan = fanSpeedSoftPwm / 2;
if(soft_pwm_fan > 0) WRITE(FAN_PIN,1); else WRITE(FAN_PIN,0);
#endif
}
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
if(soft_pwm_0 < pwm_count)
{
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
WRITE(HEATER_0_PIN,0);
#ifdef HEATERS_PARALLEL
WRITE(HEATER_1_PIN,0);
#endif
}
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
#if defined(LCD_PWM_PIN) && (LCD_PWM_PIN > -1)
if ((pwm_count & LCD_PWM_MAX) == 0)
{
if (lcd_blink_delay)
{
lcd_blink_delay--;
if (lcd_blink_delay == 0)
{
lcd_blink_delay = lcdBlinkDelay;
lcd_blink_on = !lcd_blink_on;
}
}
else
{
lcd_blink_delay = lcdBlinkDelay;
lcd_blink_on = true;
}
soft_pwm_lcd = (lcd_blink_on) ? (lcdSoftPwm / 2) : 0;
if (soft_pwm_lcd > 0) WRITE(LCD_PWM_PIN,1); else WRITE(LCD_PWM_PIN,0);
}
#endif
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
#if EXTRUDERS > 1
if(soft_pwm_1 < pwm_count) WRITE(HEATER_1_PIN,0);
#endif
#if EXTRUDERS > 2
if(soft_pwm_2 < pwm_count) WRITE(HEATER_2_PIN,0);
#endif
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1
if(soft_pwm_b < pwm_count) WRITE(HEATER_BED_PIN,0);
#endif
#ifdef FAN_SOFT_PWM
if(soft_pwm_fan < pwm_count) WRITE(FAN_PIN,0);
#endif
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
#if defined(LCD_PWM_PIN) && (LCD_PWM_PIN > -1)
if (soft_pwm_lcd < (pwm_count & LCD_PWM_MAX)) WRITE(LCD_PWM_PIN,0);
#endif
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
pwm_count += (1 << SOFT_PWM_SCALE);
pwm_count &= 0x7f;
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
#else //ifndef SLOW_PWM_HEATERS
/*
* SLOW PWM HEATERS
*
* for heaters drived by relay
*/
#ifndef MIN_STATE_TIME
#define MIN_STATE_TIME 16 // MIN_STATE_TIME * 65.5 = time in milliseconds
#endif
if (slow_pwm_count == 0) {
// EXTRUDER 0
soft_pwm_0 = soft_pwm[0];
if (soft_pwm_0 > 0) {
// turn ON heather only if the minimum time is up
if (state_timer_heater_0 == 0) {
// if change state set timer
if (state_heater_0 == 0) {
state_timer_heater_0 = MIN_STATE_TIME;
}
state_heater_0 = 1;
WRITE(HEATER_0_PIN, 1);
#ifdef HEATERS_PARALLEL
WRITE(HEATER_1_PIN, 1);
#endif
}
} else {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_0 == 0) {
// if change state set timer
if (state_heater_0 == 1) {
state_timer_heater_0 = MIN_STATE_TIME;
}
state_heater_0 = 0;
WRITE(HEATER_0_PIN, 0);
#ifdef HEATERS_PARALLEL
WRITE(HEATER_1_PIN, 0);
#endif
}
}
#if EXTRUDERS > 1
// EXTRUDER 1
soft_pwm_1 = soft_pwm[1];
if (soft_pwm_1 > 0) {
// turn ON heather only if the minimum time is up
if (state_timer_heater_1 == 0) {
// if change state set timer
if (state_heater_1 == 0) {
state_timer_heater_1 = MIN_STATE_TIME;
}
state_heater_1 = 1;
WRITE(HEATER_1_PIN, 1);
}
} else {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_1 == 0) {
// if change state set timer
if (state_heater_1 == 1) {
state_timer_heater_1 = MIN_STATE_TIME;
}
state_heater_1 = 0;
WRITE(HEATER_1_PIN, 0);
}
}
#endif
#if EXTRUDERS > 2
// EXTRUDER 2
soft_pwm_2 = soft_pwm[2];
if (soft_pwm_2 > 0) {
// turn ON heather only if the minimum time is up
if (state_timer_heater_2 == 0) {
// if change state set timer
if (state_heater_2 == 0) {
state_timer_heater_2 = MIN_STATE_TIME;
}
state_heater_2 = 1;
WRITE(HEATER_2_PIN, 1);
}
} else {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_2 == 0) {
// if change state set timer
if (state_heater_2 == 1) {
state_timer_heater_2 = MIN_STATE_TIME;
}
state_heater_2 = 0;
WRITE(HEATER_2_PIN, 0);
}
}
#endif
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1
// BED
soft_pwm_b = soft_pwm_bed;
if (soft_pwm_b > 0) {
// turn ON heather only if the minimum time is up
if (state_timer_heater_b == 0) {
// if change state set timer
if (state_heater_b == 0) {
state_timer_heater_b = MIN_STATE_TIME;
}
state_heater_b = 1;
WRITE(HEATER_BED_PIN, 1);
}
} else {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_b == 0) {
// if change state set timer
if (state_heater_b == 1) {
state_timer_heater_b = MIN_STATE_TIME;
}
state_heater_b = 0;
WRITE(HEATER_BED_PIN, 0);
}
}
#endif
} // if (slow_pwm_count == 0)
// EXTRUDER 0
if (soft_pwm_0 < slow_pwm_count) {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_0 == 0) {
// if change state set timer
if (state_heater_0 == 1) {
state_timer_heater_0 = MIN_STATE_TIME;
}
state_heater_0 = 0;
WRITE(HEATER_0_PIN, 0);
#ifdef HEATERS_PARALLEL
WRITE(HEATER_1_PIN, 0);
#endif
}
}
#if EXTRUDERS > 1
// EXTRUDER 1
if (soft_pwm_1 < slow_pwm_count) {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_1 == 0) {
// if change state set timer
if (state_heater_1 == 1) {
state_timer_heater_1 = MIN_STATE_TIME;
}
state_heater_1 = 0;
WRITE(HEATER_1_PIN, 0);
}
}
#endif
#if EXTRUDERS > 2
// EXTRUDER 2
if (soft_pwm_2 < slow_pwm_count) {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_2 == 0) {
// if change state set timer
if (state_heater_2 == 1) {
state_timer_heater_2 = MIN_STATE_TIME;
}
state_heater_2 = 0;
WRITE(HEATER_2_PIN, 0);
}
}
#endif
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1
// BED
if (soft_pwm_b < slow_pwm_count) {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_b == 0) {
// if change state set timer
if (state_heater_b == 1) {
state_timer_heater_b = MIN_STATE_TIME;
}
state_heater_b = 0;
WRITE(HEATER_BED_PIN, 0);
}
}
#endif
#ifdef FAN_SOFT_PWM
if (pwm_count == 0){
soft_pwm_fan = fanSpeedSoftPwm / 2;
if (soft_pwm_fan > 0) WRITE(FAN_PIN,1); else WRITE(FAN_PIN,0);
}
if (soft_pwm_fan < pwm_count) WRITE(FAN_PIN,0);
#endif
LCD backlight brightnes pwm control and lcd blinking.
2017-08-21 15:23:30 +00:00
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
pwm_count += (1 << SOFT_PWM_SCALE);
pwm_count &= 0x7f;
// increment slow_pwm_count only every 64 pwm_count circa 65.5ms
if ((pwm_count % 64) == 0) {
slow_pwm_count++;
slow_pwm_count &= 0x7f;
// Extruder 0
if (state_timer_heater_0 > 0) {
state_timer_heater_0--;
}
#if EXTRUDERS > 1
// Extruder 1
if (state_timer_heater_1 > 0)
state_timer_heater_1--;
#endif
#if EXTRUDERS > 2
// Extruder 2
if (state_timer_heater_2 > 0)
state_timer_heater_2--;
#endif
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1
// Bed
if (state_timer_heater_b > 0)
state_timer_heater_b--;
#endif
} //if ((pwm_count % 64) == 0) {
#endif //ifndef SLOW_PWM_HEATERS
switch(temp_state) {
case 0: // Prepare TEMP_0
#if defined(TEMP_0_PIN) && (TEMP_0_PIN > -1)
#if TEMP_0_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_0_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
lcd_buttons_update();
temp_state = 1;
break;
case 1: // Measure TEMP_0
#if defined(TEMP_0_PIN) && (TEMP_0_PIN > -1)
raw_temp_0_value += ADC;
#endif
#ifdef HEATER_0_USES_MAX6675 // TODO remove the blocking
raw_temp_0_value = read_max6675();
#endif
temp_state = 2;
break;
case 2: // Prepare TEMP_BED
#if defined(TEMP_BED_PIN) && (TEMP_BED_PIN > -1)
#if TEMP_BED_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_BED_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
lcd_buttons_update();
temp_state = 3;
break;
case 3: // Measure TEMP_BED
#if defined(TEMP_BED_PIN) && (TEMP_BED_PIN > -1)
raw_temp_bed_value += ADC;
#endif
temp_state = 4;
break;
case 4: // Prepare TEMP_1
#if defined(TEMP_1_PIN) && (TEMP_1_PIN > -1)
#if TEMP_1_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_1_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
lcd_buttons_update();
temp_state = 5;
break;
case 5: // Measure TEMP_1
#if defined(TEMP_1_PIN) && (TEMP_1_PIN > -1)
raw_temp_1_value += ADC;
#endif
temp_state = 6;
break;
case 6: // Prepare TEMP_2
#if defined(TEMP_2_PIN) && (TEMP_2_PIN > -1)
#if TEMP_2_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_2_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
lcd_buttons_update();
temp_state = 7;
break;
case 7: // Measure TEMP_2
#if defined(TEMP_2_PIN) && (TEMP_2_PIN > -1)
raw_temp_2_value += ADC;
#endif
temp_state = 8;//change so that Filament Width is also measured
break;
case 8: //Prepare FILWIDTH
#if defined(FILWIDTH_PIN) && (FILWIDTH_PIN> -1)
#if FILWIDTH_PIN>7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (FILWIDTH_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
lcd_buttons_update();
temp_state = 9;
break;
case 9: //Measure FILWIDTH
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
#if defined(FILWIDTH_PIN) &&(FILWIDTH_PIN > -1)
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
//raw_filwidth_value += ADC; //remove to use an IIR filter approach
if(ADC>102) //check that ADC is reading a voltage > 0.5 volts, otherwise don't take in the data.
{
raw_filwidth_value= raw_filwidth_value-(raw_filwidth_value>>7); //multipliy raw_filwidth_value by 127/128
raw_filwidth_value= raw_filwidth_value + ((unsigned long)ADC<<7); //add new ADC reading
}
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
#endif
temp_state = 10;
break;
case 10: // Prepare TEMP_AMBIENT
#if defined(TEMP_AMBIENT_PIN) && (TEMP_AMBIENT_PIN > -1)
#if TEMP_AMBIENT_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_AMBIENT_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
lcd_buttons_update();
temp_state = 11;
break;
case 11: // Measure TEMP_AMBIENT
#if defined(TEMP_AMBIENT_PIN) && (TEMP_AMBIENT_PIN > -1)
raw_temp_ambient_value += ADC;
#endif
temp_state = 12;
break;
case 12: // Prepare TEMP_PINDA
#if defined(TEMP_PINDA_PIN) && (TEMP_PINDA_PIN > -1)
#if TEMP_PINDA_PIN > 7
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_PINDA_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif
lcd_buttons_update();
temp_state = 13;
break;
case 13: // Measure TEMP_PINDA
#if defined(TEMP_PINDA_PIN) && (TEMP_PINDA_PIN > -1)
raw_temp_pinda_value += ADC;
#endif
temp_state = 0;
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
temp_count++;
break;
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
case 14: //Startup, delay initial temp reading a tiny bit so the hardware can settle.
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
temp_state = 0;
break;
// default:
// SERIAL_ERROR_START;
// SERIAL_ERRORLNPGM("Temp measurement error!");
// break;
}
if(temp_count >= OVERSAMPLENR) // 10 * 16 * 1/(16000000/64/256) = 164ms.
{
if (!temp_meas_ready) //Only update the raw values if they have been read. Else we could be updating them during reading.
{
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
current_temperature_raw[0] = raw_temp_0_value;
#if EXTRUDERS > 1
current_temperature_raw[1] = raw_temp_1_value;
#endif
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
redundant_temperature_raw = raw_temp_1_value;
#endif
#if EXTRUDERS > 2
current_temperature_raw[2] = raw_temp_2_value;
#endif
PINDA thermistor + extruder current adjust.
2017-08-30 19:56:48 +00:00
#ifdef PINDA_THERMISTOR
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
current_temperature_raw_pinda = raw_temp_pinda_value;
PINDA thermistor + extruder current adjust.
2017-08-30 19:56:48 +00:00
#endif //PINDA_THERMISTOR
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
#ifdef AMBIENT_THERMISTOR
current_temperature_raw_ambient = raw_temp_ambient_value;
#endif //AMBIENT_THERMISTOR
current_temperature_bed_raw = raw_temp_bed_value;
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
}
//Add similar code for Filament Sensor - can be read any time since IIR filtering is used
#if defined(FILWIDTH_PIN) &&(FILWIDTH_PIN > -1)
current_raw_filwidth = raw_filwidth_value>>10; //need to divide to get to 0-16384 range since we used 1/128 IIR filter approach
#endif
temp_meas_ready = true;
temp_count = 0;
raw_temp_0_value = 0;
raw_temp_1_value = 0;
raw_temp_2_value = 0;
raw_temp_bed_value = 0;
PINDA thermistor and ambient thermistor.
2017-09-05 12:02:35 +00:00
raw_temp_pinda_value = 0;
raw_temp_ambient_value = 0;
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
#if HEATER_0_RAW_LO_TEMP > HEATER_0_RAW_HI_TEMP
if(current_temperature_raw[0] <= maxttemp_raw[0]) {
#else
if(current_temperature_raw[0] >= maxttemp_raw[0]) {
#endif
max_temp_error(0);
}
#if HEATER_0_RAW_LO_TEMP > HEATER_0_RAW_HI_TEMP
if(current_temperature_raw[0] >= minttemp_raw[0]) {
#else
if(current_temperature_raw[0] <= minttemp_raw[0]) {
#endif
min_temp_error(0);
}
#if EXTRUDERS > 1
#if HEATER_1_RAW_LO_TEMP > HEATER_1_RAW_HI_TEMP
if(current_temperature_raw[1] <= maxttemp_raw[1]) {
#else
if(current_temperature_raw[1] >= maxttemp_raw[1]) {
#endif
max_temp_error(1);
}
#if HEATER_1_RAW_LO_TEMP > HEATER_1_RAW_HI_TEMP
if(current_temperature_raw[1] >= minttemp_raw[1]) {
#else
if(current_temperature_raw[1] <= minttemp_raw[1]) {
#endif
min_temp_error(1);
}
#endif
#if EXTRUDERS > 2
#if HEATER_2_RAW_LO_TEMP > HEATER_2_RAW_HI_TEMP
if(current_temperature_raw[2] <= maxttemp_raw[2]) {
#else
if(current_temperature_raw[2] >= maxttemp_raw[2]) {
#endif
max_temp_error(2);
}
#if HEATER_2_RAW_LO_TEMP > HEATER_2_RAW_HI_TEMP
if(current_temperature_raw[2] >= minttemp_raw[2]) {
#else
if(current_temperature_raw[2] <= minttemp_raw[2]) {
#endif
min_temp_error(2);
}
#endif
/* No bed MINTEMP error? */
#if defined(BED_MAXTEMP) && (TEMP_SENSOR_BED != 0)
# if HEATER_BED_RAW_LO_TEMP > HEATER_BED_RAW_HI_TEMP
if(current_temperature_bed_raw <= bed_maxttemp_raw) {
#else
if(current_temperature_bed_raw >= bed_maxttemp_raw) {
#endif
target_temperature_bed = 0;
bed_max_temp_error();
}
}
# if HEATER_BED_RAW_LO_TEMP > HEATER_BED_RAW_HI_TEMP
if(current_temperature_bed_raw >= bed_minttemp_raw) {
#else
if(current_temperature_bed_raw <= bed_minttemp_raw) {
#endif
bed_min_temp_error();
}
#endif
#ifdef BABYSTEPPING
for(uint8_t axis=0;axis<3;axis++)
{
int curTodo=babystepsTodo[axis]; //get rid of volatile for performance
if(curTodo>0)
{
babystep(axis,/*fwd*/true);
babystepsTodo[axis]--; //less to do next time
}
else
if(curTodo<0)
{
babystep(axis,/*fwd*/false);
babystepsTodo[axis]++; //less to do next time
}
}
#endif //BABYSTEPPING
fan check can be turned off from support menu, saving parameters to eeprom with offset and different levels, fan kickstart,2nd heatbed version, fans check modified
2017-09-21 13:20:02 +00:00
check_fans();
}
void check_fans() {
if (READ(TACH_0) != fan_state[0]) {
fan_edge_counter[0] ++;
fan_state[0] = !fan_state[0];
}
measuring pulse width: initial version
2017-10-26 15:42:27 +00:00
//if (READ(TACH_1) != fan_state[1]) {
// fan_edge_counter[1] ++;
// fan_state[1] = !fan_state[1];
//}
3.0.12-RC2 sync
2017-06-29 16:35:43 +00:00
}
#ifdef PIDTEMP
// Apply the scale factors to the PID values
float scalePID_i(float i)
{
return i*PID_dT;
}
float unscalePID_i(float i)
{
return i/PID_dT;
}
float scalePID_d(float d)
{
return d/PID_dT;
}
float unscalePID_d(float d)
{
return d*PID_dT;
}
#endif //PIDTEMP
Reference in New Issue Copy Permalink