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Revert default conf and temperature.cpp

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chrono 2015-03-02 13:56:37 +00:00
parent 7f060d7caf
commit 187d336665
1 changed files with 921 additions and 1275 deletions
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1758
Marlin/temperature.cpp
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@ -33,9 +33,43 @@
#include "ultralcd.h" #include "ultralcd.h"
#include "temperature.h" #include "temperature.h"
#include "watchdog.h" #include "watchdog.h"
#include "language.h"
#include "Sd2PinMap.h" #include "Sd2PinMap.h"
//===========================================================================
//================================== macros =================================
//===========================================================================
#if EXTRUDERS > 4
#error Unsupported number of extruders
#elif EXTRUDERS > 3
#define ARRAY_BY_EXTRUDERS(v1, v2, v3, v4) { v1, v2, v3, v4 }
#elif EXTRUDERS > 2
#define ARRAY_BY_EXTRUDERS(v1, v2, v3, v4) { v1, v2, v3 }
#elif EXTRUDERS > 1
#define ARRAY_BY_EXTRUDERS(v1, v2, v3, v4) { v1, v2 }
#else
#define ARRAY_BY_EXTRUDERS(v1, v2, v3, v4) { v1 }
#endif
#define HAS_TEMP_0 (defined(TEMP_0_PIN) && TEMP_0_PIN >= 0)
#define HAS_TEMP_1 (defined(TEMP_1_PIN) && TEMP_1_PIN >= 0)
#define HAS_TEMP_2 (defined(TEMP_2_PIN) && TEMP_2_PIN >= 0)
#define HAS_TEMP_3 (defined(TEMP_3_PIN) && TEMP_3_PIN >= 0)
#define HAS_TEMP_BED (defined(TEMP_BED_PIN) && TEMP_BED_PIN >= 0)
#define HAS_FILAMENT_SENSOR (defined(FILAMENT_SENSOR) && defined(FILWIDTH_PIN) && FILWIDTH_PIN >= 0)
#define HAS_HEATER_0 (defined(HEATER_0_PIN) && HEATER_0_PIN >= 0)
#define HAS_HEATER_1 (defined(HEATER_1_PIN) && HEATER_1_PIN >= 0)
#define HAS_HEATER_2 (defined(HEATER_2_PIN) && HEATER_2_PIN >= 0)
#define HAS_HEATER_3 (defined(HEATER_3_PIN) && HEATER_3_PIN >= 0)
#define HAS_HEATER_BED (defined(HEATER_BED_PIN) && HEATER_BED_PIN >= 0)
#define HAS_AUTO_FAN_0 (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN >= 0)
#define HAS_AUTO_FAN_1 (defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN >= 0)
#define HAS_AUTO_FAN_2 (defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN >= 0)
#define HAS_AUTO_FAN_3 (defined(EXTRUDER_3_AUTO_FAN_PIN) && EXTRUDER_3_AUTO_FAN_PIN >= 0)
#define HAS_AUTO_FAN HAS_AUTO_FAN_0 || HAS_AUTO_FAN_1 || HAS_AUTO_FAN_2 || HAS_AUTO_FAN_3
#define HAS_FAN (defined(FAN_PIN) && FAN_PIN >= 0)
//=========================================================================== //===========================================================================
//============================= public variables ============================ //============================= public variables ============================
@ -71,7 +105,7 @@ float current_temperature_bed = 0.0;
unsigned char soft_pwm_bed; unsigned char soft_pwm_bed;
#ifdef BABYSTEPPING #ifdef BABYSTEPPING
volatile int babystepsTodo[3]={0,0,0}; volatile int babystepsTodo[3] = { 0 };
#endif #endif
#ifdef FILAMENT_SENSOR #ifdef FILAMENT_SENSOR
@ -116,40 +150,26 @@ static volatile bool temp_meas_ready = false;
#ifdef FAN_SOFT_PWM #ifdef FAN_SOFT_PWM
static unsigned char soft_pwm_fan; static unsigned char soft_pwm_fan;
#endif #endif
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \ #if HAS_AUTO_FAN
(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; static unsigned long extruder_autofan_last_check;
#endif #endif
#if EXTRUDERS > 4
# error Unsupported number of extruders
#elif EXTRUDERS > 3
# define ARRAY_BY_EXTRUDERS(v1, v2, v3, v4) { v1, v2, v3, v4 }
#elif EXTRUDERS > 2
# define ARRAY_BY_EXTRUDERS(v1, v2, v3, v4) { v1, v2, v3 }
#elif EXTRUDERS > 1
# define ARRAY_BY_EXTRUDERS(v1, v2, v3, v4) { v1, v2 }
#else
# define ARRAY_BY_EXTRUDERS(v1, v2, v3, v4) { v1 }
#endif
#ifdef PIDTEMP #ifdef PIDTEMP
#ifdef PID_PARAMS_PER_EXTRUDER #ifdef PID_PARAMS_PER_EXTRUDER
float Kp[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Kp, DEFAULT_Kp, DEFAULT_Kp, DEFAULT_Kp); float Kp[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Kp, DEFAULT_Kp, DEFAULT_Kp, DEFAULT_Kp);
float Ki[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Ki*PID_dT, DEFAULT_Ki*PID_dT, DEFAULT_Ki*PID_dT, DEFAULT_Ki*PID_dT); float Ki[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Ki*PID_dT, DEFAULT_Ki*PID_dT, DEFAULT_Ki*PID_dT, DEFAULT_Ki*PID_dT);
float Kd[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Kd / PID_dT, DEFAULT_Kd / PID_dT, DEFAULT_Kd / PID_dT, DEFAULT_Kd / PID_dT); float Kd[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Kd / PID_dT, DEFAULT_Kd / PID_dT, DEFAULT_Kd / PID_dT, DEFAULT_Kd / PID_dT);
#ifdef PID_ADD_EXTRUSION_RATE #ifdef PID_ADD_EXTRUSION_RATE
float Kc[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Kc, DEFAULT_Kc, DEFAULT_Kc, DEFAULT_Kc); float Kc[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Kc, DEFAULT_Kc, DEFAULT_Kc, DEFAULT_Kc);
#endif // PID_ADD_EXTRUSION_RATE #endif // PID_ADD_EXTRUSION_RATE
#else //PID_PARAMS_PER_EXTRUDER #else //PID_PARAMS_PER_EXTRUDER
float Kp = DEFAULT_Kp; float Kp = DEFAULT_Kp;
float Ki = DEFAULT_Ki * PID_dT; float Ki = DEFAULT_Ki * PID_dT;
float Kd = DEFAULT_Kd / PID_dT; float Kd = DEFAULT_Kd / PID_dT;
#ifdef PID_ADD_EXTRUSION_RATE #ifdef PID_ADD_EXTRUSION_RATE
float Kc = DEFAULT_Kc; float Kc = DEFAULT_Kc;
#endif // PID_ADD_EXTRUSION_RATE #endif // PID_ADD_EXTRUSION_RATE
#endif // PID_PARAMS_PER_EXTRUDER #endif // PID_PARAMS_PER_EXTRUDER
#endif //PIDTEMP #endif //PIDTEMP
// Init min and max temp with extreme values to prevent false errors during startup // Init min and max temp with extreme values to prevent false errors during startup
@ -159,7 +179,7 @@ static int minttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS( 0, 0, 0, 0 );
static int maxttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS( 16383, 16383, 16383, 16383 ); static int maxttemp[EXTRUDERS] = ARRAY_BY_EXTRUDERS( 16383, 16383, 16383, 16383 );
//static int bed_minttemp_raw = HEATER_BED_RAW_LO_TEMP; /* No bed mintemp error implemented?!? */ //static int bed_minttemp_raw = HEATER_BED_RAW_LO_TEMP; /* No bed mintemp error implemented?!? */
#ifdef BED_MAXTEMP #ifdef BED_MAXTEMP
static int bed_maxttemp_raw = HEATER_BED_RAW_HI_TEMP; static int bed_maxttemp_raw = HEATER_BED_RAW_HI_TEMP;
#endif #endif
#ifdef TEMP_SENSOR_1_AS_REDUNDANT #ifdef TEMP_SENSOR_1_AS_REDUNDANT
@ -175,12 +195,12 @@ static float analog2tempBed(int raw);
static void updateTemperaturesFromRawValues(); static void updateTemperaturesFromRawValues();
#ifdef WATCH_TEMP_PERIOD #ifdef WATCH_TEMP_PERIOD
int watch_start_temp[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0,0); int watch_start_temp[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0,0);
unsigned long watchmillis[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0,0); unsigned long watchmillis[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0,0);
#endif //WATCH_TEMP_PERIOD #endif //WATCH_TEMP_PERIOD
#ifndef SOFT_PWM_SCALE #ifndef SOFT_PWM_SCALE
#define SOFT_PWM_SCALE 0 #define SOFT_PWM_SCALE 0
#endif #endif
#ifdef FILAMENT_SENSOR #ifdef FILAMENT_SENSOR
@ -198,113 +218,98 @@ unsigned long watchmillis[EXTRUDERS] = ARRAY_BY_EXTRUDERS(0,0,0,0);
void PID_autotune(float temp, int extruder, int ncycles) void PID_autotune(float temp, int extruder, int ncycles)
{ {
float input = 0.0; float input = 0.0;
int cycles=0; int cycles = 0;
bool heating = true; bool heating = true;
unsigned long temp_millis = millis(); unsigned long temp_millis = millis(), t1 = temp_millis, t2 = temp_millis;
unsigned long t1=temp_millis; long t_high = 0, t_low = 0;
unsigned long t2=temp_millis;
long t_high = 0;
long t_low = 0;
long bias, d; long bias, d;
float Ku, Tu; float Ku, Tu;
float Kp, Ki, Kd; float Kp, Ki, Kd;
float max = 0, min = 10000; float max = 0, min = 10000;
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \ #if HAS_AUTO_FAN
(defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \ unsigned long extruder_autofan_last_check = temp_millis;
(defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_3_AUTO_FAN_PIN) && EXTRUDER_3_AUTO_FAN_PIN > -1)
unsigned long extruder_autofan_last_check = millis();
#endif
if ((extruder >= EXTRUDERS)
#if (TEMP_BED_PIN <= -1)
||(extruder < 0)
#endif #endif
){
SERIAL_ECHOLN("PID Autotune failed. Bad extruder number."); if (extruder >= EXTRUDERS
#if !HAS_TEMP_BED
|| extruder < 0
#endif
) {
SERIAL_ECHOLN(MSG_PID_BAD_EXTRUDER_NUM);
return; return;
} }
SERIAL_ECHOLN("PID Autotune start"); SERIAL_ECHOLN(MSG_PID_AUTOTUNE_START);
disable_heater(); // switch off all heaters. disable_heater(); // switch off all heaters.
if (extruder<0) if (extruder < 0)
{ soft_pwm_bed = bias = d = MAX_BED_POWER / 2;
soft_pwm_bed = (MAX_BED_POWER)/2;
bias = d = (MAX_BED_POWER)/2;
}
else else
{ soft_pwm[extruder] = bias = d = PID_MAX / 2;
soft_pwm[extruder] = (PID_MAX)/2;
bias = d = (PID_MAX)/2;
}
// PID Tuning loop
for(;;) { for(;;) {
if(temp_meas_ready == true) { // temp sample ready unsigned long ms = millis();
if (temp_meas_ready == true) { // temp sample ready
updateTemperaturesFromRawValues(); updateTemperaturesFromRawValues();
input = (extruder<0)?current_temperature_bed:current_temperature[extruder]; input = (extruder<0)?current_temperature_bed:current_temperature[extruder];
max=max(max,input); max = max(max, input);
min=min(min,input); min = min(min, input);
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \ #if HAS_AUTO_FAN
(defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1) || \ if (ms > extruder_autofan_last_check + 2500) {
(defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1) || \
(defined(EXTRUDER_3_AUTO_FAN_PIN) && EXTRUDER_3_AUTO_FAN_PIN > -1)
if(millis() - extruder_autofan_last_check > 2500) {
checkExtruderAutoFans(); checkExtruderAutoFans();
extruder_autofan_last_check = millis(); extruder_autofan_last_check = ms;
} }
#endif #endif
if(heating == true && input > temp) { if (heating == true && input > temp) {
if(millis() - t2 > 5000) { if (ms - t2 > 5000) {
heating=false; heating = false;
if (extruder<0) if (extruder < 0)
soft_pwm_bed = (bias - d) >> 1; soft_pwm_bed = (bias - d) >> 1;
else else
soft_pwm[extruder] = (bias - d) >> 1; soft_pwm[extruder] = (bias - d) >> 1;
t1=millis(); t1 = ms;
t_high=t1 - t2; t_high = t1 - t2;
max=temp; max = temp;
} }
} }
if(heating == false && input < temp) { if (heating == false && input < temp) {
if(millis() - t1 > 5000) { if (ms - t1 > 5000) {
heating=true; heating = true;
t2=millis(); t2 = ms;
t_low=t2 - t1; t_low = t2 - t1;
if(cycles > 0) { if (cycles > 0) {
long max_pow = extruder < 0 ? MAX_BED_POWER : PID_MAX;
bias += (d*(t_high - t_low))/(t_low + t_high); bias += (d*(t_high - t_low))/(t_low + t_high);
bias = constrain(bias, 20 ,(extruder<0?(MAX_BED_POWER):(PID_MAX))-20); bias = constrain(bias, 20, max_pow - 20);
if(bias > (extruder<0?(MAX_BED_POWER):(PID_MAX))/2) d = (extruder<0?(MAX_BED_POWER):(PID_MAX)) - 1 - bias; d = (bias > max_pow / 2) ? max_pow - 1 - bias : bias;
else d = bias;
SERIAL_PROTOCOLPGM(" bias: "); SERIAL_PROTOCOL(bias); SERIAL_PROTOCOLPGM(MSG_BIAS); SERIAL_PROTOCOL(bias);
SERIAL_PROTOCOLPGM(" d: "); SERIAL_PROTOCOL(d); SERIAL_PROTOCOLPGM(MSG_D); SERIAL_PROTOCOL(d);
SERIAL_PROTOCOLPGM(" min: "); SERIAL_PROTOCOL(min); SERIAL_PROTOCOLPGM(MSG_MIN); SERIAL_PROTOCOL(min);
SERIAL_PROTOCOLPGM(" max: "); SERIAL_PROTOCOLLN(max); SERIAL_PROTOCOLPGM(MSG_MAX); SERIAL_PROTOCOLLN(max);
if(cycles > 2) { if (cycles > 2) {
Ku = (4.0*d)/(3.14159*(max-min)/2.0); Ku = (4.0 * d) / (3.14159265 * (max - min) / 2.0);
Tu = ((float)(t_low + t_high)/1000.0); Tu = ((float)(t_low + t_high) / 1000.0);
SERIAL_PROTOCOLPGM(" Ku: "); SERIAL_PROTOCOL(Ku); SERIAL_PROTOCOLPGM(MSG_KU); SERIAL_PROTOCOL(Ku);
SERIAL_PROTOCOLPGM(" Tu: "); SERIAL_PROTOCOLLN(Tu); SERIAL_PROTOCOLPGM(MSG_TU); SERIAL_PROTOCOLLN(Tu);
Kp = 0.6*Ku; Kp = 0.6 * Ku;
Ki = 2*Kp/Tu; Ki = 2 * Kp / Tu;
Kd = Kp*Tu/8; Kd = Kp * Tu / 8;
SERIAL_PROTOCOLLNPGM(" Classic PID "); SERIAL_PROTOCOLLNPGM(MSG_CLASSIC_PID);
SERIAL_PROTOCOLPGM(" Kp: "); SERIAL_PROTOCOLLN(Kp); SERIAL_PROTOCOLPGM(MSG_KP); SERIAL_PROTOCOLLN(Kp);
SERIAL_PROTOCOLPGM(" Ki: "); SERIAL_PROTOCOLLN(Ki); SERIAL_PROTOCOLPGM(MSG_KI); SERIAL_PROTOCOLLN(Ki);
SERIAL_PROTOCOLPGM(" Kd: "); SERIAL_PROTOCOLLN(Kd); SERIAL_PROTOCOLPGM(MSG_KD); SERIAL_PROTOCOLLN(Kd);
/* /*
Kp = 0.33*Ku; Kp = 0.33*Ku;
Ki = Kp/Tu; Ki = Kp/Tu;
@ -323,70 +328,68 @@ void PID_autotune(float temp, int extruder, int ncycles)
*/ */
} }
} }
if (extruder<0) if (extruder < 0)
soft_pwm_bed = (bias + d) >> 1; soft_pwm_bed = (bias + d) >> 1;
else else
soft_pwm[extruder] = (bias + d) >> 1; soft_pwm[extruder] = (bias + d) >> 1;
cycles++; cycles++;
min=temp; min = temp;
} }
} }
} }
if(input > (temp + 20)) { if (input > temp + 20) {
SERIAL_PROTOCOLLNPGM("PID Autotune failed! Temperature too high"); SERIAL_PROTOCOLLNPGM(MSG_PID_TEMP_TOO_HIGH);
return; return;
} }
if(millis() - temp_millis > 2000) { // Every 2 seconds...
if (ms > temp_millis + 2000) {
int p; int p;
if (extruder<0){ if (extruder < 0) {
p=soft_pwm_bed; p = soft_pwm_bed;
SERIAL_PROTOCOLPGM("ok B:"); SERIAL_PROTOCOLPGM(MSG_OK_B);
}else{ }
p=soft_pwm[extruder]; else {
SERIAL_PROTOCOLPGM("ok T:"); p = soft_pwm[extruder];
SERIAL_PROTOCOLPGM(MSG_OK_T);
} }
SERIAL_PROTOCOL(input); SERIAL_PROTOCOL(input);
SERIAL_PROTOCOLPGM(" @:"); SERIAL_PROTOCOLPGM(MSG_AT);
SERIAL_PROTOCOLLN(p); SERIAL_PROTOCOLLN(p);
temp_millis = millis(); temp_millis = ms;
} } // every 2 seconds
if(((millis() - t1) + (millis() - t2)) > (10L*60L*1000L*2L)) { // Over 2 minutes?
SERIAL_PROTOCOLLNPGM("PID Autotune failed! timeout"); if (((ms - t1) + (ms - t2)) > (10L*60L*1000L*2L)) {
SERIAL_PROTOCOLLNPGM(MSG_PID_TIMEOUT);
return; return;
} }
if(cycles > ncycles) { if (cycles > ncycles) {
SERIAL_PROTOCOLLNPGM("PID Autotune finished! Put the last Kp, Ki and Kd constants from above into Configuration.h"); SERIAL_PROTOCOLLNPGM(MSG_PID_AUTOTUNE_FINISHED);
return; return;
} }
lcd_update(); lcd_update();
} }
} }
void updatePID() void updatePID() {
{ #ifdef PIDTEMP
#ifdef PIDTEMP for (int e = 0; e < EXTRUDERS; e++) {
for(int e = 0; e < EXTRUDERS; e++) {
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / PID_PARAM(Ki,e); temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / PID_PARAM(Ki,e);
} }
#endif #endif
#ifdef PIDTEMPBED #ifdef PIDTEMPBED
temp_iState_max_bed = PID_INTEGRAL_DRIVE_MAX / bedKi; temp_iState_max_bed = PID_INTEGRAL_DRIVE_MAX / bedKi;
#endif #endif
} }
int getHeaterPower(int heater) { int getHeaterPower(int heater) {
if (heater<0) return heater < 0 ? soft_pwm_bed : soft_pwm[heater];
return soft_pwm_bed;
return soft_pwm[heater];
} }
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \ #if HAS_AUTO_FAN
(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 HAS_FAN
#if EXTRUDER_0_AUTO_FAN_PIN == FAN_PIN #if EXTRUDER_0_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_0_AUTO_FAN_PIN equal to FAN_PIN" #error "You cannot set EXTRUDER_0_AUTO_FAN_PIN equal to FAN_PIN"
#endif #endif
@ -396,6 +399,9 @@ int getHeaterPower(int heater) {
#if EXTRUDER_2_AUTO_FAN_PIN == FAN_PIN #if EXTRUDER_2_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_2_AUTO_FAN_PIN equal to FAN_PIN" #error "You cannot set EXTRUDER_2_AUTO_FAN_PIN equal to FAN_PIN"
#endif #endif
#if EXTRUDER_3_AUTO_FAN_PIN == FAN_PIN
#error "You cannot set EXTRUDER_3_AUTO_FAN_PIN equal to FAN_PIN"
#endif
#endif #endif
void setExtruderAutoFanState(int pin, bool state) void setExtruderAutoFanState(int pin, bool state)
@ -412,11 +418,11 @@ void checkExtruderAutoFans()
uint8_t fanState = 0; uint8_t fanState = 0;
// which fan pins need to be turned on? // which fan pins need to be turned on?
#if defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1 #if HAS_AUTO_FAN_0
if (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE) if (current_temperature[0] > EXTRUDER_AUTO_FAN_TEMPERATURE)
fanState |= 1; fanState |= 1;
#endif #endif
#if defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1 #if HAS_AUTO_FAN_1
if (current_temperature[1] > EXTRUDER_AUTO_FAN_TEMPERATURE) if (current_temperature[1] > EXTRUDER_AUTO_FAN_TEMPERATURE)
{ {
if (EXTRUDER_1_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN) if (EXTRUDER_1_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN)
@ -425,7 +431,7 @@ void checkExtruderAutoFans()
fanState |= 2; fanState |= 2;
} }
#endif #endif
#if defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1 #if HAS_AUTO_FAN_2
if (current_temperature[2] > EXTRUDER_AUTO_FAN_TEMPERATURE) if (current_temperature[2] > EXTRUDER_AUTO_FAN_TEMPERATURE)
{ {
if (EXTRUDER_2_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN) if (EXTRUDER_2_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN)
@ -436,7 +442,7 @@ void checkExtruderAutoFans()
fanState |= 4; fanState |= 4;
} }
#endif #endif
#if defined(EXTRUDER_3_AUTO_FAN_PIN) && EXTRUDER_3_AUTO_FAN_PIN > -1 #if HAS_AUTO_FAN_3
if (current_temperature[3] > EXTRUDER_AUTO_FAN_TEMPERATURE) if (current_temperature[3] > EXTRUDER_AUTO_FAN_TEMPERATURE)
{ {
if (EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN) if (EXTRUDER_3_AUTO_FAN_PIN == EXTRUDER_0_AUTO_FAN_PIN)
@ -451,19 +457,19 @@ void checkExtruderAutoFans()
#endif #endif
// update extruder auto fan states // update extruder auto fan states
#if defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1 #if HAS_AUTO_FAN_0
setExtruderAutoFanState(EXTRUDER_0_AUTO_FAN_PIN, (fanState & 1) != 0); setExtruderAutoFanState(EXTRUDER_0_AUTO_FAN_PIN, (fanState & 1) != 0);
#endif #endif
#if defined(EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_1_AUTO_FAN_PIN > -1 #if HAS_AUTO_FAN_1
if (EXTRUDER_1_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN) if (EXTRUDER_1_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN)
setExtruderAutoFanState(EXTRUDER_1_AUTO_FAN_PIN, (fanState & 2) != 0); setExtruderAutoFanState(EXTRUDER_1_AUTO_FAN_PIN, (fanState & 2) != 0);
#endif #endif
#if defined(EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN > -1 #if HAS_AUTO_FAN_2
if (EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN if (EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN
&& EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_1_AUTO_FAN_PIN) && EXTRUDER_2_AUTO_FAN_PIN != EXTRUDER_1_AUTO_FAN_PIN)
setExtruderAutoFanState(EXTRUDER_2_AUTO_FAN_PIN, (fanState & 4) != 0); setExtruderAutoFanState(EXTRUDER_2_AUTO_FAN_PIN, (fanState & 4) != 0);
#endif #endif
#if defined(EXTRUDER_3_AUTO_FAN_PIN) && EXTRUDER_3_AUTO_FAN_PIN > -1 #if HAS_AUTO_FAN_3
if (EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_0_AUTO_FAN_PIN if (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_1_AUTO_FAN_PIN
&& EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_2_AUTO_FAN_PIN) && EXTRUDER_3_AUTO_FAN_PIN != EXTRUDER_2_AUTO_FAN_PIN)
@ -473,29 +479,63 @@ void checkExtruderAutoFans()
#endif // any extruder auto fan pins set #endif // any extruder auto fan pins set
void manage_heater() //
{ // Error checking and Write Routines
float pid_input; //
float pid_output; #if !HAS_HEATER_0
#error HEATER_0_PIN not defined for this board
#endif
#define WRITE_HEATER_0P(v) WRITE(HEATER_0_PIN, v)
#if EXTRUDERS > 1 || defined(HEATERS_PARALLEL)
#if !HAS_HEATER_1
#error HEATER_1_PIN not defined for this board
#endif
#define WRITE_HEATER_1(v) WRITE(HEATER_1_PIN, v)
#if EXTRUDERS > 2
#if !HAS_HEATER_2
#error HEATER_2_PIN not defined for this board
#endif
#define WRITE_HEATER_2(v) WRITE(HEATER_2_PIN, v)
#if EXTRUDERS > 3
#if !HAS_HEATER_3
#error HEATER_3_PIN not defined for this board
#endif
#define WRITE_HEATER_3(v) WRITE(HEATER_3_PIN, v)
#endif
#endif
#endif
#ifdef HEATERS_PARALLEL
#define WRITE_HEATER_0(v) { WRITE_HEATER_0P(v); WRITE_HEATER_1(v); }
#else
#define WRITE_HEATER_0(v) WRITE_HEATER_0P(v)
#endif
#if HAS_HEATER_BED
#define WRITE_HEATER_BED(v) WRITE(HEATER_BED_PIN, v)
#endif
#if HAS_FAN
#define WRITE_FAN(v) WRITE(FAN_PIN, v)
#endif
if(temp_meas_ready != true) //better readability void manage_heater() {
return;
if (!temp_meas_ready) return;
float pid_input, pid_output;
updateTemperaturesFromRawValues(); updateTemperaturesFromRawValues();
#ifdef HEATER_0_USES_MAX6675 #ifdef HEATER_0_USES_MAX6675
if (current_temperature[0] > 1023 || current_temperature[0] > HEATER_0_MAXTEMP) { float ct = current_temperature[0];
max_temp_error(0); if (ct > min(HEATER_0_MAXTEMP, 1023)) max_temp_error(0);
} if (ct < max(HEATER_0_MINTEMP, 0.01)) min_temp_error(0);
if (current_temperature[0] == 0 || current_temperature[0] < HEATER_0_MINTEMP) {
min_temp_error(0);
}
#endif //HEATER_0_USES_MAX6675 #endif //HEATER_0_USES_MAX6675
for(int e = 0; e < EXTRUDERS; e++) unsigned long ms = millis();
{
#if defined (THERMAL_RUNAWAY_PROTECTION_PERIOD) && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0 // Loop through all extruders
for (int e = 0; e < EXTRUDERS; e++) {
#if defined (THERMAL_RUNAWAY_PROTECTION_PERIOD) && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0
thermal_runaway_protection(&thermal_runaway_state_machine[e], &thermal_runaway_timer[e], current_temperature[e], target_temperature[e], e, THERMAL_RUNAWAY_PROTECTION_PERIOD, THERMAL_RUNAWAY_PROTECTION_HYSTERESIS); thermal_runaway_protection(&thermal_runaway_state_machine[e], &thermal_runaway_timer[e], current_temperature[e], target_temperature[e], e, THERMAL_RUNAWAY_PROTECTION_PERIOD, THERMAL_RUNAWAY_PROTECTION_HYSTERESIS);
#endif #endif
@ -504,16 +544,16 @@ void manage_heater()
#ifndef PID_OPENLOOP #ifndef PID_OPENLOOP
pid_error[e] = target_temperature[e] - pid_input; pid_error[e] = target_temperature[e] - pid_input;
if(pid_error[e] > PID_FUNCTIONAL_RANGE) { if (pid_error[e] > PID_FUNCTIONAL_RANGE) {
pid_output = BANG_MAX; pid_output = BANG_MAX;
pid_reset[e] = true; pid_reset[e] = true;
} }
else if(pid_error[e] < -PID_FUNCTIONAL_RANGE || target_temperature[e] == 0) { else if (pid_error[e] < -PID_FUNCTIONAL_RANGE || target_temperature[e] == 0) {
pid_output = 0; pid_output = 0;
pid_reset[e] = true; pid_reset[e] = true;
} }
else { else {
if(pid_reset[e] == true) { if (pid_reset[e] == true) {
temp_iState[e] = 0.0; temp_iState[e] = 0.0;
pid_reset[e] = false; pid_reset[e] = false;
} }
@ -524,95 +564,89 @@ void manage_heater()
//K1 defined in Configuration.h in the PID settings //K1 defined in Configuration.h in the PID settings
#define K2 (1.0-K1) #define K2 (1.0-K1)
dTerm[e] = (PID_PARAM(Kd,e) * (pid_input - temp_dState[e]))*K2 + (K1 * dTerm[e]); dTerm[e] = (PID_PARAM(Kd,e) * (pid_input - temp_dState[e])) * K2 + (K1 * dTerm[e]);
pid_output = pTerm[e] + iTerm[e] - dTerm[e]; pid_output = pTerm[e] + iTerm[e] - dTerm[e];
if (pid_output > PID_MAX) { if (pid_output > PID_MAX) {
if (pid_error[e] > 0 ) temp_iState[e] -= pid_error[e]; // conditional un-integration if (pid_error[e] > 0) temp_iState[e] -= pid_error[e]; // conditional un-integration
pid_output=PID_MAX; pid_output = PID_MAX;
} else if (pid_output < 0){ }
if (pid_error[e] < 0 ) temp_iState[e] -= pid_error[e]; // conditional un-integration else if (pid_output < 0) {
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; temp_dState[e] = pid_input;
#else #else
pid_output = constrain(target_temperature[e], 0, PID_MAX); pid_output = constrain(target_temperature[e], 0, PID_MAX);
#endif //PID_OPENLOOP #endif //PID_OPENLOOP
#ifdef PID_DEBUG #ifdef PID_DEBUG
SERIAL_ECHO_START; SERIAL_ECHO_START;
SERIAL_ECHO(" PID_DEBUG "); SERIAL_ECHO(MSG_PID_DEBUG);
SERIAL_ECHO(e); SERIAL_ECHO(e);
SERIAL_ECHO(": Input "); SERIAL_ECHO(MSG_PID_DEBUG_INPUT);
SERIAL_ECHO(pid_input); SERIAL_ECHO(pid_input);
SERIAL_ECHO(" Output "); SERIAL_ECHO(MSG_PID_DEBUG_OUTPUT);
SERIAL_ECHO(pid_output); SERIAL_ECHO(pid_output);
SERIAL_ECHO(" pTerm "); SERIAL_ECHO(MSG_PID_DEBUG_PTERM);
SERIAL_ECHO(pTerm[e]); SERIAL_ECHO(pTerm[e]);
SERIAL_ECHO(" iTerm "); SERIAL_ECHO(MSG_PID_DEBUG_ITERM);
SERIAL_ECHO(iTerm[e]); SERIAL_ECHO(iTerm[e]);
SERIAL_ECHO(" dTerm "); SERIAL_ECHO(MSG_PID_DEBUG_DTERM);
SERIAL_ECHOLN(dTerm[e]); SERIAL_ECHOLN(dTerm[e]);
#endif //PID_DEBUG #endif //PID_DEBUG
#else /* PID off */ #else /* PID off */
pid_output = 0; pid_output = 0;
if(current_temperature[e] < target_temperature[e]) { if (current_temperature[e] < target_temperature[e]) pid_output = PID_MAX;
pid_output = PID_MAX;
}
#endif #endif
// Check if temperature is within the correct range // Check if temperature is within the correct range
if((current_temperature[e] > minttemp[e]) && (current_temperature[e] < maxttemp[e])) soft_pwm[e] = current_temperature[e] > minttemp[e] && current_temperature[e] < maxttemp[e] ? (int)pid_output >> 1 : 0;
{
soft_pwm[e] = (int)pid_output >> 1;
}
else {
soft_pwm[e] = 0;
}
#ifdef WATCH_TEMP_PERIOD #ifdef WATCH_TEMP_PERIOD
if(watchmillis[e] && millis() - watchmillis[e] > WATCH_TEMP_PERIOD) if (watchmillis[e] && ms > watchmillis[e] + WATCH_TEMP_PERIOD) {
{ if (degHotend(e) < watch_start_temp[e] + WATCH_TEMP_INCREASE) {
if(degHotend(e) < watch_start_temp[e] + WATCH_TEMP_INCREASE)
{
setTargetHotend(0, e); setTargetHotend(0, e);
LCD_MESSAGEPGM("Heating failed"); LCD_MESSAGEPGM(MSG_HEATING_FAILED_LCD); // translatable
SERIAL_ECHO_START; SERIAL_ECHO_START;
SERIAL_ECHOLN("Heating failed"); SERIAL_ECHOLNPGM(MSG_HEATING_FAILED);
}else{ }
else {
watchmillis[e] = 0; watchmillis[e] = 0;
} }
} }
#endif #endif //WATCH_TEMP_PERIOD
#ifdef TEMP_SENSOR_1_AS_REDUNDANT #ifdef TEMP_SENSOR_1_AS_REDUNDANT
if(fabs(current_temperature[0] - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF) { if (fabs(current_temperature[0] - redundant_temperature) > MAX_REDUNDANT_TEMP_SENSOR_DIFF) {
disable_heater(); disable_heater();
if(IsStopped() == false) { if (IsStopped() == false) {
SERIAL_ERROR_START; SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Extruder switched off. Temperature difference between temp sensors is too high !"); SERIAL_ERRORLNPGM(MSG_EXTRUDER_SWITCHED_OFF);
LCD_ALERTMESSAGEPGM("Err: REDUNDANT TEMP ERROR"); LCD_ALERTMESSAGEPGM(MSG_ERR_REDUNDANT_TEMP); // translatable
} }
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE #ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop(); Stop();
#endif #endif
} }
#endif #endif //TEMP_SENSOR_1_AS_REDUNDANT
} // End extruder for loop
#if (defined(EXTRUDER_0_AUTO_FAN_PIN) && EXTRUDER_0_AUTO_FAN_PIN > -1) || \ } // Extruders Loop
(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 HAS_AUTO_FAN
if(millis() - extruder_autofan_last_check > 2500) // only need to check fan state very infrequently if (ms > extruder_autofan_last_check + 2500) { // only need to check fan state very infrequently
{
checkExtruderAutoFans(); checkExtruderAutoFans();
extruder_autofan_last_check = millis(); extruder_autofan_last_check = ms;
} }
#endif #endif
#ifndef PIDTEMPBED #ifndef PIDTEMPBED
if(millis() - previous_millis_bed_heater < BED_CHECK_INTERVAL) if (ms < previous_millis_bed_heater + BED_CHECK_INTERVAL) return;
return; previous_millis_bed_heater = ms;
previous_millis_bed_heater = millis(); #endif //PIDTEMPBED
#endif
#if TEMP_SENSOR_BED != 0 #if TEMP_SENSOR_BED != 0
@ -632,90 +666,63 @@ void manage_heater()
//K1 defined in Configuration.h in the PID settings //K1 defined in Configuration.h in the PID settings
#define K2 (1.0-K1) #define K2 (1.0-K1)
dTerm_bed= (bedKd * (pid_input - temp_dState_bed))*K2 + (K1 * dTerm_bed); dTerm_bed = (bedKd * (pid_input - temp_dState_bed))*K2 + (K1 * dTerm_bed);
temp_dState_bed = pid_input; temp_dState_bed = pid_input;
pid_output = pTerm_bed + iTerm_bed - dTerm_bed; pid_output = pTerm_bed + iTerm_bed - dTerm_bed;
if (pid_output > MAX_BED_POWER) { if (pid_output > MAX_BED_POWER) {
if (pid_error_bed > 0 ) temp_iState_bed -= pid_error_bed; // conditional un-integration if (pid_error_bed > 0) temp_iState_bed -= pid_error_bed; // conditional un-integration
pid_output=MAX_BED_POWER; pid_output = MAX_BED_POWER;
} else if (pid_output < 0){ }
if (pid_error_bed < 0 ) temp_iState_bed -= pid_error_bed; // conditional un-integration else if (pid_output < 0) {
pid_output=0; if (pid_error_bed < 0) temp_iState_bed -= pid_error_bed; // conditional un-integration
pid_output = 0;
} }
#else #else
pid_output = constrain(target_temperature_bed, 0, MAX_BED_POWER); pid_output = constrain(target_temperature_bed, 0, MAX_BED_POWER);
#endif //PID_OPENLOOP #endif //PID_OPENLOOP
if((current_temperature_bed > BED_MINTEMP) && (current_temperature_bed < BED_MAXTEMP)) soft_pwm_bed = current_temperature_bed > BED_MINTEMP && current_temperature_bed < BED_MAXTEMP ? (int)pid_output >> 1 : 0;
{
soft_pwm_bed = (int)pid_output >> 1;
}
else {
soft_pwm_bed = 0;
}
#elif !defined(BED_LIMIT_SWITCHING) #elif !defined(BED_LIMIT_SWITCHING)
// Check if temperature is within the correct range // Check if temperature is within the correct range
if((current_temperature_bed > BED_MINTEMP) && (current_temperature_bed < BED_MAXTEMP)) if (current_temperature_bed > BED_MINTEMP && current_temperature_bed < BED_MAXTEMP) {
{ soft_pwm_bed = current_temperature_bed < target_temperature_bed ? MAX_BED_POWER >> 1 : 0;
if(current_temperature_bed >= target_temperature_bed) }
{ else {
soft_pwm_bed = 0; soft_pwm_bed = 0;
} WRITE_HEATER_BED(LOW);
else
{
soft_pwm_bed = MAX_BED_POWER>>1;
}
}
else
{
soft_pwm_bed = 0;
WRITE(HEATER_BED_PIN,LOW);
} }
#else //#ifdef BED_LIMIT_SWITCHING #else //#ifdef BED_LIMIT_SWITCHING
// Check if temperature is within the correct band // Check if temperature is within the correct band
if((current_temperature_bed > BED_MINTEMP) && (current_temperature_bed < BED_MAXTEMP)) if (current_temperature_bed > BED_MINTEMP && current_temperature_bed < BED_MAXTEMP) {
{ if (current_temperature_bed >= target_temperature_bed + BED_HYSTERESIS)
if(current_temperature_bed > target_temperature_bed + BED_HYSTERESIS)
{
soft_pwm_bed = 0; soft_pwm_bed = 0;
else if (current_temperature_bed <= target_temperature_bed - BED_HYSTERESIS)
soft_pwm_bed = MAX_BED_POWER >> 1;
} }
else if(current_temperature_bed <= target_temperature_bed - BED_HYSTERESIS) else {
{
soft_pwm_bed = MAX_BED_POWER>>1;
}
}
else
{
soft_pwm_bed = 0; soft_pwm_bed = 0;
WRITE(HEATER_BED_PIN,LOW); WRITE_HEATER_BED(LOW);
} }
#endif #endif
#endif #endif //TEMP_SENSOR_BED != 0
//code for controlling the extruder rate based on the width sensor // Control the extruder rate based on the width sensor
#ifdef FILAMENT_SENSOR #ifdef FILAMENT_SENSOR
if(filament_sensor) if (filament_sensor) {
{ meas_shift_index = delay_index1 - meas_delay_cm;
meas_shift_index=delay_index1-meas_delay_cm; if (meas_shift_index < 0) meas_shift_index += MAX_MEASUREMENT_DELAY + 1; //loop around buffer if needed
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 // Get the delayed info and add 100 to reconstitute to a percent of
//then square it to get an area // the nominal filament diameter then square it to get an area
meas_shift_index = constrain(meas_shift_index, 0, MAX_MEASUREMENT_DELAY);
if(meas_shift_index<0) float vm = pow((measurement_delay[meas_shift_index] + 100.0) / 100.0, 2);
meas_shift_index=0; if (vm < 0.01) vm = 0.01;
else if (meas_shift_index>MAX_MEASUREMENT_DELAY) volumetric_multiplier[FILAMENT_SENSOR_EXTRUDER_NUM] = vm;
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 #endif //FILAMENT_SENSOR
} }
#define PGM_RD_W(x) (short)pgm_read_word(&x) #define PGM_RD_W(x) (short)pgm_read_word(&x)
@ -723,14 +730,14 @@ void manage_heater()
// For hot end temperature measurement. // For hot end temperature measurement.
static float analog2temp(int raw, uint8_t e) { static float analog2temp(int raw, uint8_t e) {
#ifdef TEMP_SENSOR_1_AS_REDUNDANT #ifdef TEMP_SENSOR_1_AS_REDUNDANT
if(e > EXTRUDERS) if (e > EXTRUDERS)
#else #else
if(e >= EXTRUDERS) if (e >= EXTRUDERS)
#endif #endif
{ {
SERIAL_ERROR_START; SERIAL_ERROR_START;
SERIAL_ERROR((int)e); SERIAL_ERROR((int)e);
SERIAL_ERRORLNPGM(" - Invalid extruder number !"); SERIAL_ERRORLNPGM(MSG_INVALID_EXTRUDER_NUM);
kill(); kill();
return 0.0; return 0.0;
} }
@ -799,20 +806,18 @@ static float analog2tempBed(int raw) {
/* Called to get the raw values into the the actual temperatures. The raw values are created in interrupt context, /* 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 */ 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() static void updateTemperaturesFromRawValues() {
{
#ifdef HEATER_0_USES_MAX6675 #ifdef HEATER_0_USES_MAX6675
current_temperature_raw[0] = read_max6675(); current_temperature_raw[0] = read_max6675();
#endif #endif
for(uint8_t e=0;e<EXTRUDERS;e++) for(uint8_t e = 0; e < EXTRUDERS; e++) {
{
current_temperature[e] = analog2temp(current_temperature_raw[e], e); current_temperature[e] = analog2temp(current_temperature_raw[e], e);
} }
current_temperature_bed = analog2tempBed(current_temperature_bed_raw); current_temperature_bed = analog2tempBed(current_temperature_bed_raw);
#ifdef TEMP_SENSOR_1_AS_REDUNDANT #ifdef TEMP_SENSOR_1_AS_REDUNDANT
redundant_temperature = analog2temp(redundant_temperature_raw, 1); redundant_temperature = analog2temp(redundant_temperature_raw, 1);
#endif #endif
#if defined (FILAMENT_SENSOR) && (FILWIDTH_PIN > -1) //check if a sensor is supported #if HAS_FILAMENT_SENSOR
filament_width_meas = analog2widthFil(); filament_width_meas = analog2widthFil();
#endif #endif
//Reset the watchdog after we know we have a temperature measurement. //Reset the watchdog after we know we have a temperature measurement.
@ -824,29 +829,22 @@ static void updateTemperaturesFromRawValues()
} }
// For converting raw Filament Width to milimeters
#ifdef FILAMENT_SENSOR #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 // Convert raw Filament Width to millimeters
int widthFil_to_size_ratio() { float analog2widthFil() {
return current_raw_filwidth / 16383.0 * 5.0;
//return current_raw_filwidth;
}
float temp; // Convert raw Filament Width to a ratio
int widthFil_to_size_ratio() {
float temp = filament_width_meas;
if (temp < MEASURED_LOWER_LIMIT) temp = filament_width_nominal; //assume sensor cut out
else if (temp > MEASURED_UPPER_LIMIT) temp = MEASURED_UPPER_LIMIT;
return filament_width_nominal / temp * 100;
}
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 #endif
@ -855,42 +853,42 @@ return(filament_width_nominal/temp*100);
void tp_init() void tp_init()
{ {
#if MB(RUMBA) && ((TEMP_SENSOR_0==-1)||(TEMP_SENSOR_1==-1)||(TEMP_SENSOR_2==-1)||(TEMP_SENSOR_BED==-1)) #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 //disable RUMBA JTAG in case the thermocouple extension is plugged on top of JTAG connector
MCUCR=(1<<JTD); MCUCR=(1<<JTD);
MCUCR=(1<<JTD); MCUCR=(1<<JTD);
#endif #endif
// Finish init of mult extruder arrays // Finish init of mult extruder arrays
for(int e = 0; e < EXTRUDERS; e++) { for (int e = 0; e < EXTRUDERS; e++) {
// populate with the first value // populate with the first value
maxttemp[e] = maxttemp[0]; maxttemp[e] = maxttemp[0];
#ifdef PIDTEMP #ifdef PIDTEMP
temp_iState_min[e] = 0.0; temp_iState_min[e] = 0.0;
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / PID_PARAM(Ki,e); temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / PID_PARAM(Ki,e);
#endif //PIDTEMP #endif //PIDTEMP
#ifdef PIDTEMPBED #ifdef PIDTEMPBED
temp_iState_min_bed = 0.0; temp_iState_min_bed = 0.0;
temp_iState_max_bed = PID_INTEGRAL_DRIVE_MAX / bedKi; temp_iState_max_bed = PID_INTEGRAL_DRIVE_MAX / bedKi;
#endif //PIDTEMPBED #endif //PIDTEMPBED
} }
#if defined(HEATER_0_PIN) && (HEATER_0_PIN > -1) #if HAS_HEATER_0
SET_OUTPUT(HEATER_0_PIN); SET_OUTPUT(HEATER_0_PIN);
#endif #endif
#if defined(HEATER_1_PIN) && (HEATER_1_PIN > -1) #if HAS_HEATER_1
SET_OUTPUT(HEATER_1_PIN); SET_OUTPUT(HEATER_1_PIN);
#endif #endif
#if defined(HEATER_2_PIN) && (HEATER_2_PIN > -1) #if HAS_HEATER_2
SET_OUTPUT(HEATER_2_PIN); SET_OUTPUT(HEATER_2_PIN);
#endif #endif
#if defined(HEATER_3_PIN) && (HEATER_3_PIN > -1) #if HAS_HEATER_3
SET_OUTPUT(HEATER_3_PIN); SET_OUTPUT(HEATER_3_PIN);
#endif #endif
#if defined(HEATER_BED_PIN) && (HEATER_BED_PIN > -1) #if HAS_HEATER_BED
SET_OUTPUT(HEATER_BED_PIN); SET_OUTPUT(HEATER_BED_PIN);
#endif #endif
#if defined(FAN_PIN) && (FAN_PIN > -1) #if HAS_FAN
SET_OUTPUT(FAN_PIN); SET_OUTPUT(FAN_PIN);
#ifdef FAST_PWM_FAN #ifdef FAST_PWM_FAN
setPwmFrequency(FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8 setPwmFrequency(FAN_PIN, 1); // No prescaling. Pwm frequency = F_CPU/256/8
@ -921,57 +919,35 @@ void tp_init()
#endif //HEATER_0_USES_MAX6675 #endif //HEATER_0_USES_MAX6675
#ifdef DIDR2
#define ANALOG_SELECT(pin) do{ if (pin < 8) DIDR0 |= 1 << pin; else DIDR2 |= 1 << (pin - 8); }while(0)
#else
#define ANALOG_SELECT(pin) do{ DIDR0 |= 1 << pin; }while(0)
#endif
// Set analog inputs // Set analog inputs
ADCSRA = 1<<ADEN | 1<<ADSC | 1<<ADIF | 0x07; ADCSRA = 1<<ADEN | 1<<ADSC | 1<<ADIF | 0x07;
DIDR0 = 0; DIDR0 = 0;
#ifdef DIDR2 #ifdef DIDR2
DIDR2 = 0; DIDR2 = 0;
#endif #endif
#if defined(TEMP_0_PIN) && (TEMP_0_PIN > -1) #if HAS_TEMP_0
#if TEMP_0_PIN < 8 ANALOG_SELECT(TEMP_0_PIN);
DIDR0 |= 1 << TEMP_0_PIN;
#else
DIDR2 |= 1<<(TEMP_0_PIN - 8);
#endif #endif
#if HAS_TEMP_1
ANALOG_SELECT(TEMP_1_PIN);
#endif #endif
#if defined(TEMP_1_PIN) && (TEMP_1_PIN > -1) #if HAS_TEMP_2
#if TEMP_1_PIN < 8 ANALOG_SELECT(TEMP_2_PIN);
DIDR0 |= 1<<TEMP_1_PIN;
#else
DIDR2 |= 1<<(TEMP_1_PIN - 8);
#endif #endif
#if HAS_TEMP_3
ANALOG_SELECT(TEMP_3_PIN);
#endif #endif
#if defined(TEMP_2_PIN) && (TEMP_2_PIN > -1) #if HAS_TEMP_BED
#if TEMP_2_PIN < 8 ANALOG_SELECT(TEMP_BED_PIN);
DIDR0 |= 1 << TEMP_2_PIN;
#else
DIDR2 |= 1<<(TEMP_2_PIN - 8);
#endif
#endif
#if defined(TEMP_3_PIN) && (TEMP_3_PIN > -1)
#if TEMP_3_PIN < 8
DIDR0 |= 1 << TEMP_3_PIN;
#else
DIDR2 |= 1<<(TEMP_3_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
#if HAS_FILAMENT_SENSOR
ANALOG_SELECT(FILWIDTH_PIN);
#endif #endif
// Use timer0 for temperature measurement // Use timer0 for temperature measurement
@ -982,128 +958,89 @@ void tp_init()
// Wait for temperature measurement to settle // Wait for temperature measurement to settle
delay(250); delay(250);
#ifdef HEATER_0_MINTEMP #define TEMP_MIN_ROUTINE(NR) \
minttemp[0] = HEATER_0_MINTEMP; minttemp[NR] = HEATER_ ## NR ## _MINTEMP; \
while(analog2temp(minttemp_raw[0], 0) < HEATER_0_MINTEMP) { while(analog2temp(minttemp_raw[NR], NR) < HEATER_ ## NR ## _MINTEMP) { \
#if HEATER_0_RAW_LO_TEMP < HEATER_0_RAW_HI_TEMP if (HEATER_ ## NR ## _RAW_LO_TEMP < HEATER_ ## NR ## _RAW_HI_TEMP) \
minttemp_raw[0] += OVERSAMPLENR; minttemp_raw[NR] += OVERSAMPLENR; \
#else else \
minttemp_raw[0] -= OVERSAMPLENR; minttemp_raw[NR] -= OVERSAMPLENR; \
#endif
} }
#endif //MINTEMP #define TEMP_MAX_ROUTINE(NR) \
#ifdef HEATER_0_MAXTEMP maxttemp[NR] = HEATER_ ## NR ## _MAXTEMP; \
maxttemp[0] = HEATER_0_MAXTEMP; while(analog2temp(maxttemp_raw[NR], NR) > HEATER_ ## NR ## _MAXTEMP) { \
while(analog2temp(maxttemp_raw[0], 0) > HEATER_0_MAXTEMP) { if (HEATER_ ## NR ## _RAW_LO_TEMP < HEATER_ ## NR ## _RAW_HI_TEMP) \
#if HEATER_0_RAW_LO_TEMP < HEATER_0_RAW_HI_TEMP maxttemp_raw[NR] -= OVERSAMPLENR; \
maxttemp_raw[0] -= OVERSAMPLENR; else \
#else maxttemp_raw[NR] += OVERSAMPLENR; \
maxttemp_raw[0] += OVERSAMPLENR;
#endif
} }
#endif //MAXTEMP
#if (EXTRUDERS > 1) && defined(HEATER_1_MINTEMP) #ifdef HEATER_0_MINTEMP
minttemp[1] = HEATER_1_MINTEMP; TEMP_MIN_ROUTINE(0);
while(analog2temp(minttemp_raw[1], 1) < HEATER_1_MINTEMP) { #endif
#if HEATER_1_RAW_LO_TEMP < HEATER_1_RAW_HI_TEMP #ifdef HEATER_0_MAXTEMP
minttemp_raw[1] += OVERSAMPLENR; TEMP_MAX_ROUTINE(0);
#else #endif
minttemp_raw[1] -= OVERSAMPLENR; #if EXTRUDERS > 1
#endif #ifdef HEATER_1_MINTEMP
} TEMP_MIN_ROUTINE(1);
#endif // MINTEMP 1 #endif
#if (EXTRUDERS > 1) && defined(HEATER_1_MAXTEMP) #ifdef HEATER_1_MAXTEMP
maxttemp[1] = HEATER_1_MAXTEMP; TEMP_MAX_ROUTINE(1);
while(analog2temp(maxttemp_raw[1], 1) > HEATER_1_MAXTEMP) { #endif
#if HEATER_1_RAW_LO_TEMP < HEATER_1_RAW_HI_TEMP #if EXTRUDERS > 2
maxttemp_raw[1] -= OVERSAMPLENR; #ifdef HEATER_2_MINTEMP
#else TEMP_MIN_ROUTINE(2);
maxttemp_raw[1] += OVERSAMPLENR; #endif
#endif #ifdef HEATER_2_MAXTEMP
} TEMP_MAX_ROUTINE(2);
#endif //MAXTEMP 1 #endif
#if EXTRUDERS > 3
#ifdef HEATER_3_MINTEMP
TEMP_MIN_ROUTINE(3);
#endif
#ifdef HEATER_3_MAXTEMP
TEMP_MAX_ROUTINE(3);
#endif
#endif // EXTRUDERS > 3
#endif // EXTRUDERS > 2
#endif // EXTRUDERS > 1
#if (EXTRUDERS > 2) && defined(HEATER_2_MINTEMP) #ifdef BED_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
#if (EXTRUDERS > 3) && defined(HEATER_3_MINTEMP)
minttemp[3] = HEATER_3_MINTEMP;
while(analog2temp(minttemp_raw[3], 3) < HEATER_3_MINTEMP) {
#if HEATER_3_RAW_LO_TEMP < HEATER_3_RAW_HI_TEMP
minttemp_raw[3] += OVERSAMPLENR;
#else
minttemp_raw[3] -= OVERSAMPLENR;
#endif
}
#endif //MINTEMP 3
#if (EXTRUDERS > 3) && defined(HEATER_3_MAXTEMP)
maxttemp[3] = HEATER_3_MAXTEMP;
while(analog2temp(maxttemp_raw[3], 3) > HEATER_3_MAXTEMP) {
#if HEATER_3_RAW_LO_TEMP < HEATER_3_RAW_HI_TEMP
maxttemp_raw[3] -= OVERSAMPLENR;
#else
maxttemp_raw[3] += OVERSAMPLENR;
#endif
}
#endif // MAXTEMP 3
#ifdef BED_MINTEMP
/* No bed MINTEMP error implemented?!? */ /* /* No bed MINTEMP error implemented?!? */ /*
while(analog2tempBed(bed_minttemp_raw) < BED_MINTEMP) { while(analog2tempBed(bed_minttemp_raw) < BED_MINTEMP) {
#if HEATER_BED_RAW_LO_TEMP < HEATER_BED_RAW_HI_TEMP #if HEATER_BED_RAW_LO_TEMP < HEATER_BED_RAW_HI_TEMP
bed_minttemp_raw += OVERSAMPLENR; bed_minttemp_raw += OVERSAMPLENR;
#else #else
bed_minttemp_raw -= OVERSAMPLENR; bed_minttemp_raw -= OVERSAMPLENR;
#endif #endif
} }
*/ */
#endif //BED_MINTEMP #endif //BED_MINTEMP
#ifdef BED_MAXTEMP #ifdef BED_MAXTEMP
while(analog2tempBed(bed_maxttemp_raw) > BED_MAXTEMP) { while(analog2tempBed(bed_maxttemp_raw) > BED_MAXTEMP) {
#if HEATER_BED_RAW_LO_TEMP < HEATER_BED_RAW_HI_TEMP #if HEATER_BED_RAW_LO_TEMP < HEATER_BED_RAW_HI_TEMP
bed_maxttemp_raw -= OVERSAMPLENR; bed_maxttemp_raw -= OVERSAMPLENR;
#else #else
bed_maxttemp_raw += OVERSAMPLENR; bed_maxttemp_raw += OVERSAMPLENR;
#endif #endif
} }
#endif //BED_MAXTEMP #endif //BED_MAXTEMP
} }
void setWatch() void setWatch() {
{ #ifdef WATCH_TEMP_PERIOD
#ifdef WATCH_TEMP_PERIOD unsigned long ms = millis();
for (int e = 0; e < EXTRUDERS; e++) for (int e = 0; e < EXTRUDERS; e++) {
{ if (degHotend(e) < degTargetHotend(e) - (WATCH_TEMP_INCREASE * 2)) {
if(degHotend(e) < degTargetHotend(e) - (WATCH_TEMP_INCREASE * 2))
{
watch_start_temp[e] = degHotend(e); watch_start_temp[e] = degHotend(e);
watchmillis[e] = millis(); watchmillis[e] = ms;
} }
} }
#endif #endif
} }
#if defined (THERMAL_RUNAWAY_PROTECTION_PERIOD) && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0 #if defined(THERMAL_RUNAWAY_PROTECTION_PERIOD) && THERMAL_RUNAWAY_PROTECTION_PERIOD > 0
void thermal_runaway_protection(int *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc) void thermal_runaway_protection(int *state, unsigned long *timer, float temperature, float target_temperature, int heater_id, int period_seconds, int hysteresis_degc)
{ {
/* /*
@ -1135,16 +1072,18 @@ void thermal_runaway_protection(int *state, unsigned long *timer, float temperat
if (temperature >= target_temperature) *state = 2; if (temperature >= target_temperature) *state = 2;
break; break;
case 2: // "Temperature Stable" state case 2: // "Temperature Stable" state
{
unsigned long ms = millis();
if (temperature >= (target_temperature - hysteresis_degc)) if (temperature >= (target_temperature - hysteresis_degc))
{ {
*timer = millis(); *timer = ms;
} }
else if ( (millis() - *timer) > ((unsigned long) period_seconds) * 1000) else if ( (ms - *timer) > ((unsigned long) period_seconds) * 1000)
{ {
SERIAL_ERROR_START; SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Thermal Runaway, system stopped! Heater_ID: "); SERIAL_ERRORLNPGM(MSG_THERMAL_RUNAWAY_STOP);
SERIAL_ERRORLN((int)heater_id); SERIAL_ERRORLN((int)heater_id);
LCD_ALERTMESSAGEPGM("THERMAL RUNAWAY"); LCD_ALERTMESSAGEPGM(MSG_THERMAL_RUNAWAY); // translatable
thermal_runaway = true; thermal_runaway = true;
while(1) while(1)
{ {
@ -1160,54 +1099,45 @@ void thermal_runaway_protection(int *state, unsigned long *timer, float temperat
lcd_update(); lcd_update();
} }
} }
break; } break;
} }
} }
#endif #endif //THERMAL_RUNAWAY_PROTECTION_PERIOD
void disable_heater()
{ void disable_heater() {
for(int i=0;i<EXTRUDERS;i++) for (int i=0; i<EXTRUDERS; i++) setTargetHotend(0, i);
setTargetHotend(0,i);
setTargetBed(0); setTargetBed(0);
#if defined(TEMP_0_PIN) && TEMP_0_PIN > -1
target_temperature[0]=0; #if HAS_TEMP_0
soft_pwm[0]=0; target_temperature[0] = 0;
#if defined(HEATER_0_PIN) && HEATER_0_PIN > -1 soft_pwm[0] = 0;
WRITE(HEATER_0_PIN,LOW); WRITE_HEATER_0P(LOW); // If HEATERS_PARALLEL should apply, change to WRITE_HEATER_0
#endif
#endif #endif
#if defined(TEMP_1_PIN) && TEMP_1_PIN > -1 && EXTRUDERS > 1 #if EXTRUDERS > 1 && HAS_TEMP_1
target_temperature[1]=0; target_temperature[1] = 0;
soft_pwm[1]=0; soft_pwm[1] = 0;
#if defined(HEATER_1_PIN) && HEATER_1_PIN > -1 WRITE_HEATER_1(LOW);
WRITE(HEATER_1_PIN,LOW);
#endif
#endif #endif
#if defined(TEMP_2_PIN) && TEMP_2_PIN > -1 && EXTRUDERS > 2 #if EXTRUDERS > 2 && HAS_TEMP_2
target_temperature[2]=0; target_temperature[2] = 0;
soft_pwm[2]=0; soft_pwm[2] = 0;
#if defined(HEATER_2_PIN) && HEATER_2_PIN > -1 WRITE_HEATER_2(LOW);
WRITE(HEATER_2_PIN,LOW);
#endif
#endif #endif
#if defined(TEMP_3_PIN) && TEMP_3_PIN > -1 && EXTRUDERS > 3 #if EXTRUDERS > 3 && HAS_TEMP_3
target_temperature[3]=0; target_temperature[3] = 0;
soft_pwm[3]=0; soft_pwm[3] = 0;
#if defined(HEATER_3_PIN) && HEATER_3_PIN > -1 WRITE_HEATER_3(LOW);
WRITE(HEATER_3_PIN,LOW);
#endif
#endif #endif
#if HAS_TEMP_BED
#if defined(TEMP_BED_PIN) && TEMP_BED_PIN > -1 target_temperature_bed = 0;
target_temperature_bed=0; soft_pwm_bed = 0;
soft_pwm_bed=0; #if HAS_HEATER_BED
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1 WRITE_HEATER_BED(LOW);
WRITE(HEATER_BED_PIN,LOW);
#endif #endif
#endif #endif
} }
@ -1217,8 +1147,8 @@ void max_temp_error(uint8_t e) {
if(IsStopped() == false) { if(IsStopped() == false) {
SERIAL_ERROR_START; SERIAL_ERROR_START;
SERIAL_ERRORLN((int)e); SERIAL_ERRORLN((int)e);
SERIAL_ERRORLNPGM(": Extruder switched off. MAXTEMP triggered !"); SERIAL_ERRORLNPGM(MSG_MAXTEMP_EXTRUDER_OFF);
LCD_ALERTMESSAGEPGM("Err: MAXTEMP"); LCD_ALERTMESSAGEPGM(MSG_ERR_MAXTEMP); // translatable
} }
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE #ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop(); Stop();
@ -1230,8 +1160,8 @@ void min_temp_error(uint8_t e) {
if(IsStopped() == false) { if(IsStopped() == false) {
SERIAL_ERROR_START; SERIAL_ERROR_START;
SERIAL_ERRORLN((int)e); SERIAL_ERRORLN((int)e);
SERIAL_ERRORLNPGM(": Extruder switched off. MINTEMP triggered !"); SERIAL_ERRORLNPGM(MSG_MINTEMP_EXTRUDER_OFF);
LCD_ALERTMESSAGEPGM("Err: MINTEMP"); LCD_ALERTMESSAGEPGM(MSG_ERR_MINTEMP); // translatable
} }
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE #ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop(); Stop();
@ -1239,13 +1169,13 @@ void min_temp_error(uint8_t e) {
} }
void bed_max_temp_error(void) { void bed_max_temp_error(void) {
#if HEATER_BED_PIN > -1 #if HAS_HEATER_BED
WRITE(HEATER_BED_PIN, 0); WRITE_HEATER_BED(0);
#endif #endif
if(IsStopped() == false) { if (IsStopped() == false) {
SERIAL_ERROR_START; SERIAL_ERROR_START;
SERIAL_ERRORLNPGM("Temperature heated bed switched off. MAXTEMP triggered !!"); SERIAL_ERRORLNPGM(MSG_MAXTEMP_BED_OFF);
LCD_ALERTMESSAGEPGM("Err: MAXTEMP BED"); LCD_ALERTMESSAGEPGM(MSG_ERR_MAXTEMP_BED); // translatable
} }
#ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE #ifndef BOGUS_TEMPERATURE_FAILSAFE_OVERRIDE
Stop(); Stop();
@ -1253,16 +1183,17 @@ void bed_max_temp_error(void) {
} }
#ifdef HEATER_0_USES_MAX6675 #ifdef HEATER_0_USES_MAX6675
#define MAX6675_HEAT_INTERVAL 250 #define MAX6675_HEAT_INTERVAL 250
long max6675_previous_millis = MAX6675_HEAT_INTERVAL; long max6675_previous_millis = MAX6675_HEAT_INTERVAL;
int max6675_temp = 2000; int max6675_temp = 2000;
static int read_max6675() static int read_max6675() {
{
if (millis() - max6675_previous_millis < MAX6675_HEAT_INTERVAL) unsigned long ms = millis();
if (ms < max6675_previous_millis + MAX6675_HEAT_INTERVAL)
return max6675_temp; return max6675_temp;
max6675_previous_millis = millis(); max6675_previous_millis = ms;
max6675_temp = 0; max6675_temp = 0;
#ifdef PRR #ifdef PRR
@ -1294,25 +1225,42 @@ static int read_max6675()
// disable TT_MAX6675 // disable TT_MAX6675
WRITE(MAX6675_SS, 1); WRITE(MAX6675_SS, 1);
if (max6675_temp & 4) if (max6675_temp & 4) {
{
// thermocouple open // thermocouple open
max6675_temp = 4000; max6675_temp = 4000;
} }
else else {
{
max6675_temp = max6675_temp >> 3; max6675_temp = max6675_temp >> 3;
} }
return max6675_temp; return max6675_temp;
} }
#endif //HEATER_0_USES_MAX6675 #endif //HEATER_0_USES_MAX6675
/**
* Stages in the ISR loop
*/
enum TempState {
PrepareTemp_0,
MeasureTemp_0,
PrepareTemp_BED,
MeasureTemp_BED,
PrepareTemp_1,
MeasureTemp_1,
PrepareTemp_2,
MeasureTemp_2,
PrepareTemp_3,
MeasureTemp_3,
Prepare_FILWIDTH,
Measure_FILWIDTH,
StartupDelay // Startup, delay initial temp reading a tiny bit so the hardware can settle
};
//
// Timer 0 is shared with millies // Timer 0 is shared with millies
ISR(TIMER0_COMPB_vect) //
{ ISR(TIMER0_COMPB_vect) {
//these variables are only accesible from the ISR, but static, so they don't lose their value //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 char temp_count = 0;
static unsigned long raw_temp_0_value = 0; static unsigned long raw_temp_0_value = 0;
@ -1320,340 +1268,172 @@ ISR(TIMER0_COMPB_vect)
static unsigned long raw_temp_2_value = 0; static unsigned long raw_temp_2_value = 0;
static unsigned long raw_temp_3_value = 0; static unsigned long raw_temp_3_value = 0;
static unsigned long raw_temp_bed_value = 0; static unsigned long raw_temp_bed_value = 0;
static unsigned char temp_state = 12; static TempState temp_state = StartupDelay;
static unsigned char pwm_count = (1 << SOFT_PWM_SCALE); static unsigned char pwm_count = (1 << SOFT_PWM_SCALE);
static unsigned char soft_pwm_0;
#ifdef SLOW_PWM_HEATERS // Static members for each heater
#ifdef SLOW_PWM_HEATERS
static unsigned char slow_pwm_count = 0; static unsigned char slow_pwm_count = 0;
static unsigned char state_heater_0 = 0; #define ISR_STATICS(n) \
static unsigned char state_timer_heater_0 = 0; static unsigned char soft_pwm_ ## n; \
#endif static unsigned char state_heater_ ## n = 0; \
static unsigned char state_timer_heater_ ## n = 0
#else
#define ISR_STATICS(n) static unsigned char soft_pwm_ ## n
#endif
#if (EXTRUDERS > 1) || defined(HEATERS_PARALLEL) // Statics per heater
static unsigned char soft_pwm_1; ISR_STATICS(0);
#ifdef SLOW_PWM_HEATERS #if (EXTRUDERS > 1) || defined(HEATERS_PARALLEL)
static unsigned char state_heater_1 = 0; ISR_STATICS(1);
static unsigned char state_timer_heater_1 = 0; #if EXTRUDERS > 2
#endif ISR_STATICS(2);
#endif #if EXTRUDERS > 3
#if EXTRUDERS > 2 ISR_STATICS(3);
static unsigned char soft_pwm_2; #endif
#ifdef SLOW_PWM_HEATERS #endif
static unsigned char state_heater_2 = 0; #endif
static unsigned char state_timer_heater_2 = 0; #if HAS_HEATER_BED
#endif ISR_STATICS(BED);
#endif #endif
#if EXTRUDERS > 3
static unsigned char soft_pwm_3;
#ifdef SLOW_PWM_HEATERS
static unsigned char state_heater_3 = 0;
static unsigned char state_timer_heater_3 = 0;
#endif
#endif
#if HEATER_BED_PIN > -1 #if HAS_FILAMENT_SENSOR
static unsigned char soft_pwm_b; static unsigned long raw_filwidth_value = 0;
#ifdef SLOW_PWM_HEATERS #endif
static unsigned char state_heater_b = 0;
static unsigned char state_timer_heater_b = 0;
#endif
#endif
#if defined(FILWIDTH_PIN) &&(FILWIDTH_PIN > -1) #ifndef SLOW_PWM_HEATERS
static unsigned long raw_filwidth_value = 0; //added for filament width sensor /**
#endif
#ifndef SLOW_PWM_HEATERS
/*
* standard PWM modulation * standard PWM modulation
*/ */
if(pwm_count == 0){ if (pwm_count == 0) {
soft_pwm_0 = soft_pwm[0]; soft_pwm_0 = soft_pwm[0];
if(soft_pwm_0 > 0) { if (soft_pwm_0 > 0) {
WRITE(HEATER_0_PIN,1); WRITE_HEATER_0(1);
#ifdef HEATERS_PARALLEL }
WRITE(HEATER_1_PIN,1); else WRITE_HEATER_0P(0); // If HEATERS_PARALLEL should apply, change to WRITE_HEATER_0
#endif
} else WRITE(HEATER_0_PIN,0);
#if EXTRUDERS > 1 #if EXTRUDERS > 1
soft_pwm_1 = soft_pwm[1]; soft_pwm_1 = soft_pwm[1];
if(soft_pwm_1 > 0) WRITE(HEATER_1_PIN,1); else WRITE(HEATER_1_PIN,0); WRITE_HEATER_1(soft_pwm_1 > 0 ? 1 : 0);
#endif #if EXTRUDERS > 2
#if EXTRUDERS > 2
soft_pwm_2 = soft_pwm[2]; soft_pwm_2 = soft_pwm[2];
if(soft_pwm_2 > 0) WRITE(HEATER_2_PIN,1); else WRITE(HEATER_2_PIN,0); WRITE_HEATER_2(soft_pwm_2 > 0 ? 1 : 0);
#endif #if EXTRUDERS > 3
#if EXTRUDERS > 3
soft_pwm_3 = soft_pwm[3]; soft_pwm_3 = soft_pwm[3];
if(soft_pwm_3 > 0) WRITE(HEATER_3_PIN,1); else WRITE(HEATER_3_PIN,0); WRITE_HEATER_3(soft_pwm_3 > 0 ? 1 : 0);
#endif #endif
#endif
#endif
#if HAS_HEATER_BED
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1 soft_pwm_BED = soft_pwm_bed;
soft_pwm_b = soft_pwm_bed; WRITE_HEATER_BED(soft_pwm_BED > 0 ? 1 : 0);
if(soft_pwm_b > 0) WRITE(HEATER_BED_PIN,1); else WRITE(HEATER_BED_PIN,0); #endif
#endif #ifdef FAN_SOFT_PWM
#ifdef FAN_SOFT_PWM
soft_pwm_fan = fanSpeedSoftPwm / 2; soft_pwm_fan = fanSpeedSoftPwm / 2;
if(soft_pwm_fan > 0) WRITE(FAN_PIN,1); else WRITE(FAN_PIN,0); WRITE_FAN(soft_pwm_fan > 0 ? 1 : 0);
#endif #endif
}
if(soft_pwm_0 < pwm_count) {
WRITE(HEATER_0_PIN,0);
#ifdef HEATERS_PARALLEL
WRITE(HEATER_1_PIN,0);
#endif
} }
#if EXTRUDERS > 1 if (soft_pwm_0 < pwm_count) { WRITE_HEATER_0(0); }
if(soft_pwm_1 < pwm_count) WRITE(HEATER_1_PIN,0); #if EXTRUDERS > 1
#endif if (soft_pwm_1 < pwm_count) WRITE_HEATER_1(0);
#if EXTRUDERS > 2 #if EXTRUDERS > 2
if(soft_pwm_2 < pwm_count) WRITE(HEATER_2_PIN,0); if (soft_pwm_2 < pwm_count) WRITE_HEATER_2(0);
#endif #if EXTRUDERS > 3
#if EXTRUDERS > 3 if (soft_pwm_3 < pwm_count) WRITE_HEATER_3(0);
if(soft_pwm_3 < pwm_count) WRITE(HEATER_3_PIN,0); #endif
#endif #endif
#endif
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1 #if HAS_HEATER_BED
if(soft_pwm_b < pwm_count) WRITE(HEATER_BED_PIN,0); if (soft_pwm_BED < pwm_count) WRITE_HEATER_BED(0);
#endif #endif
#ifdef FAN_SOFT_PWM
if(soft_pwm_fan < pwm_count) WRITE(FAN_PIN,0); #ifdef FAN_SOFT_PWM
#endif if (soft_pwm_fan < pwm_count) WRITE_FAN(0);
#endif
pwm_count += (1 << SOFT_PWM_SCALE); pwm_count += (1 << SOFT_PWM_SCALE);
pwm_count &= 0x7f; pwm_count &= 0x7f;
#else //ifndef SLOW_PWM_HEATERS #else // SLOW_PWM_HEATERS
/* /*
* SLOW PWM HEATERS * SLOW PWM HEATERS
* *
* for heaters drived by relay * for heaters drived by relay
*/ */
#ifndef MIN_STATE_TIME #ifndef MIN_STATE_TIME
#define MIN_STATE_TIME 16 // MIN_STATE_TIME * 65.5 = time in milliseconds #define MIN_STATE_TIME 16 // MIN_STATE_TIME * 65.5 = time in milliseconds
#endif #endif
// Macros for Slow PWM timer logic - HEATERS_PARALLEL applies
#define _SLOW_PWM_ROUTINE(NR, src) \
soft_pwm_ ## NR = src; \
if (soft_pwm_ ## NR > 0) { \
if (state_timer_heater_ ## NR == 0) { \
if (state_heater_ ## NR == 0) state_timer_heater_ ## NR = MIN_STATE_TIME; \
state_heater_ ## NR = 1; \
WRITE_HEATER_ ## NR(1); \
} \
} \
else { \
if (state_timer_heater_ ## NR == 0) { \
if (state_heater_ ## NR == 1) state_timer_heater_ ## NR = MIN_STATE_TIME; \
state_heater_ ## NR = 0; \
WRITE_HEATER_ ## NR(0); \
} \
}
#define SLOW_PWM_ROUTINE(n) _SLOW_PWM_ROUTINE(n, soft_pwm[n])
#define PWM_OFF_ROUTINE(NR) \
if (soft_pwm_ ## NR < slow_pwm_count) { \
if (state_timer_heater_ ## NR == 0) { \
if (state_heater_ ## NR == 1) state_timer_heater_ ## NR = MIN_STATE_TIME; \
state_heater_ ## NR = 0; \
WRITE_HEATER_ ## NR (0); \
} \
}
if (slow_pwm_count == 0) { 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 SLOW_PWM_ROUTINE(0); // EXTRUDER 0
// EXTRUDER 1 #if EXTRUDERS > 1
soft_pwm_1 = soft_pwm[1]; SLOW_PWM_ROUTINE(1); // EXTRUDER 1
if (soft_pwm_1 > 0) { #if EXTRUDERS > 2
// turn ON heather only if the minimum time is up SLOW_PWM_ROUTINE(2); // EXTRUDER 2
if (state_timer_heater_1 == 0) { #if EXTRUDERS > 3
// if change state set timer SLOW_PWM_ROUTINE(3); // EXTRUDER 3
if (state_heater_1 == 0) { #endif
state_timer_heater_1 = MIN_STATE_TIME; #endif
} #endif
state_heater_1 = 1; #if HAS_HEATER_BED
WRITE(HEATER_1_PIN, 1); _SLOW_PWM_ROUTINE(BED, soft_pwm_bed); // BED
} #endif
} 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 } // slow_pwm_count == 0
// 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 EXTRUDERS > 3 PWM_OFF_ROUTINE(0); // EXTRUDER 0
// EXTRUDER 3 #if EXTRUDERS > 1
soft_pwm_3 = soft_pwm[3]; PWM_OFF_ROUTINE(1); // EXTRUDER 1
if (soft_pwm_3 > 0) { #if EXTRUDERS > 2
// turn ON heather only if the minimum time is up PWM_OFF_ROUTINE(2); // EXTRUDER 2
if (state_timer_heater_3 == 0) { #if EXTRUDERS > 3
// if change state set timer PWM_OFF_ROUTINE(3); // EXTRUDER 3
if (state_heater_3 == 0) { #endif
state_timer_heater_3 = MIN_STATE_TIME; #endif
} #endif
state_heater_3 = 1; #if HAS_HEATER_BED
WRITE(HEATER_3_PIN, 1); PWM_OFF_ROUTINE(BED); // BED
} #endif
} else {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_3 == 0) {
// if change state set timer
if (state_heater_3 == 1) {
state_timer_heater_3 = MIN_STATE_TIME;
}
state_heater_3 = 0;
WRITE(HEATER_3_PIN, 0);
}
}
#endif
#if defined(HEATER_BED_PIN) && HEATER_BED_PIN > -1 #ifdef FAN_SOFT_PWM
// BED if (pwm_count == 0) {
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 EXTRUDERS > 3
// EXTRUDER 3
if (soft_pwm_3 < slow_pwm_count) {
// turn OFF heather only if the minimum time is up
if (state_timer_heater_3 == 0) {
// if change state set timer
if (state_heater_3 == 1) {
state_timer_heater_3 = MIN_STATE_TIME;
}
state_heater_3 = 0;
WRITE(HEATER_3_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; soft_pwm_fan = fanSpeedSoftPwm / 2;
if (soft_pwm_fan > 0) WRITE(FAN_PIN,1); else WRITE(FAN_PIN,0); WRITE_FAN(soft_pwm_fan > 0 ? 1 : 0);
} }
if (soft_pwm_fan < pwm_count) WRITE(FAN_PIN,0); if (soft_pwm_fan < pwm_count) WRITE_FAN(0);
#endif #endif //FAN_SOFT_PWM
pwm_count += (1 << SOFT_PWM_SCALE); pwm_count += (1 << SOFT_PWM_SCALE);
pwm_count &= 0x7f; pwm_count &= 0x7f;
@ -1663,199 +1443,149 @@ ISR(TIMER0_COMPB_vect)
slow_pwm_count++; slow_pwm_count++;
slow_pwm_count &= 0x7f; slow_pwm_count &= 0x7f;
// Extruder 0 // EXTRUDER 0
if (state_timer_heater_0 > 0) { if (state_timer_heater_0 > 0) state_timer_heater_0--;
state_timer_heater_0--; #if EXTRUDERS > 1 // EXTRUDER 1
} if (state_timer_heater_1 > 0) state_timer_heater_1--;
#if EXTRUDERS > 2 // EXTRUDER 2
if (state_timer_heater_2 > 0) state_timer_heater_2--;
#if EXTRUDERS > 3 // EXTRUDER 3
if (state_timer_heater_3 > 0) state_timer_heater_3--;
#endif
#endif
#endif
#if HAS_HEATER_BED
if (state_timer_heater_BED > 0) state_timer_heater_BED--;
#endif
} // (pwm_count % 64) == 0
#if EXTRUDERS > 1 #endif // SLOW_PWM_HEATERS
// Extruder 1
if (state_timer_heater_1 > 0)
state_timer_heater_1--;
#endif
#if EXTRUDERS > 2 #define SET_ADMUX_ADCSRA(pin) ADMUX = (1 << REFS0) | (pin & 0x07); ADCSRA |= 1<<ADSC
// Extruder 2 #ifdef MUX5
if (state_timer_heater_2 > 0) #define START_ADC(pin) if (pin > 7) ADCSRB = 1 << MUX5; else ADCSRB = 0; SET_ADMUX_ADCSRA(pin)
state_timer_heater_2--; #else
#endif #define START_ADC(pin) ADCSRB = 0; SET_ADMUX_ADCSRA(pin)
#endif
#if EXTRUDERS > 3
// Extruder 3
if (state_timer_heater_3 > 0)
state_timer_heater_3--;
#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) { switch(temp_state) {
case 0: // Prepare TEMP_0 case PrepareTemp_0:
#if defined(TEMP_0_PIN) && (TEMP_0_PIN > -1) #if HAS_TEMP_0
#if TEMP_0_PIN > 7 START_ADC(TEMP_0_PIN);
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_0_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif #endif
lcd_buttons_update(); lcd_buttons_update();
temp_state = 1; temp_state = MeasureTemp_0;
break; break;
case 1: // Measure TEMP_0 case MeasureTemp_0:
#if defined(TEMP_0_PIN) && (TEMP_0_PIN > -1) #if HAS_TEMP_0
raw_temp_0_value += ADC; raw_temp_0_value += ADC;
#endif #endif
temp_state = 2; temp_state = PrepareTemp_BED;
break; break;
case 2: // Prepare TEMP_BED case PrepareTemp_BED:
#if defined(TEMP_BED_PIN) && (TEMP_BED_PIN > -1) #if HAS_TEMP_BED
#if TEMP_BED_PIN > 7 START_ADC(TEMP_BED_PIN);
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_BED_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif #endif
lcd_buttons_update(); lcd_buttons_update();
temp_state = 3; temp_state = MeasureTemp_BED;
break; break;
case 3: // Measure TEMP_BED case MeasureTemp_BED:
#if defined(TEMP_BED_PIN) && (TEMP_BED_PIN > -1) #if HAS_TEMP_BED
raw_temp_bed_value += ADC; raw_temp_bed_value += ADC;
#endif #endif
temp_state = 4; temp_state = PrepareTemp_1;
break; break;
case 4: // Prepare TEMP_1 case PrepareTemp_1:
#if defined(TEMP_1_PIN) && (TEMP_1_PIN > -1) #if HAS_TEMP_1
#if TEMP_1_PIN > 7 START_ADC(TEMP_1_PIN);
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_1_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif #endif
lcd_buttons_update(); lcd_buttons_update();
temp_state = 5; temp_state = MeasureTemp_1;
break; break;
case 5: // Measure TEMP_1 case MeasureTemp_1:
#if defined(TEMP_1_PIN) && (TEMP_1_PIN > -1) #if HAS_TEMP_1
raw_temp_1_value += ADC; raw_temp_1_value += ADC;
#endif #endif
temp_state = 6; temp_state = PrepareTemp_2;
break; break;
case 6: // Prepare TEMP_2 case PrepareTemp_2:
#if defined(TEMP_2_PIN) && (TEMP_2_PIN > -1) #if HAS_TEMP_2
#if TEMP_2_PIN > 7 START_ADC(TEMP_2_PIN);
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_2_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif #endif
lcd_buttons_update(); lcd_buttons_update();
temp_state = 7; temp_state = MeasureTemp_2;
break; break;
case 7: // Measure TEMP_2 case MeasureTemp_2:
#if defined(TEMP_2_PIN) && (TEMP_2_PIN > -1) #if HAS_TEMP_2
raw_temp_2_value += ADC; raw_temp_2_value += ADC;
#endif #endif
temp_state = 8; temp_state = PrepareTemp_3;
break; break;
case 8: // Prepare TEMP_3 case PrepareTemp_3:
#if defined(TEMP_3_PIN) && (TEMP_3_PIN > -1) #if HAS_TEMP_3
#if TEMP_3_PIN > 7 START_ADC(TEMP_3_PIN);
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (TEMP_3_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif #endif
lcd_buttons_update(); lcd_buttons_update();
temp_state = 9; temp_state = MeasureTemp_3;
break; break;
case 9: // Measure TEMP_3 case MeasureTemp_3:
#if defined(TEMP_3_PIN) && (TEMP_3_PIN > -1) #if HAS_TEMP_3
raw_temp_3_value += ADC; raw_temp_3_value += ADC;
#endif #endif
temp_state = 10; //change so that Filament Width is also measured temp_state = Prepare_FILWIDTH;
break; break;
case 10: //Prepare FILWIDTH case Prepare_FILWIDTH:
#if defined(FILWIDTH_PIN) && (FILWIDTH_PIN> -1) #if HAS_FILAMENT_SENSOR
#if FILWIDTH_PIN>7 START_ADC(FILWIDTH_PIN);
ADCSRB = 1<<MUX5;
#else
ADCSRB = 0;
#endif
ADMUX = ((1 << REFS0) | (FILWIDTH_PIN & 0x07));
ADCSRA |= 1<<ADSC; // Start conversion
#endif #endif
lcd_buttons_update(); lcd_buttons_update();
temp_state = 11; temp_state = Measure_FILWIDTH;
break; break;
case 11: //Measure FILWIDTH case Measure_FILWIDTH:
#if defined(FILWIDTH_PIN) &&(FILWIDTH_PIN > -1) #if HAS_FILAMENT_SENSOR
//raw_filwidth_value += ADC; //remove to use an IIR filter approach // 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. 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>>7); //multiply raw_filwidth_value by 127/128
raw_filwidth_value= raw_filwidth_value-(raw_filwidth_value>>7); //multipliy raw_filwidth_value by 127/128 raw_filwidth_value += ((unsigned long)ADC<<7); //add new ADC reading
raw_filwidth_value= raw_filwidth_value + ((unsigned long)ADC<<7); //add new ADC reading
} }
#endif #endif
temp_state = 0; temp_state = PrepareTemp_0;
temp_count++; temp_count++;
break; break;
case StartupDelay:
temp_state = PrepareTemp_0;
case 12: //Startup, delay initial temp reading a tiny bit so the hardware can settle.
temp_state = 0;
break; break;
// default:
// SERIAL_ERROR_START;
// SERIAL_ERRORLNPGM("Temp measurement error!");
// break;
}
if(temp_count >= OVERSAMPLENR) // 10 * 16 * 1/(16000000/64/256) = 164ms. // default:
{ // SERIAL_ERROR_START;
if (!temp_meas_ready) //Only update the raw values if they have been read. Else we could be updating them during reading. // SERIAL_ERRORLNPGM("Temp measurement error!");
{ // break;
#ifndef HEATER_0_USES_MAX6675 } // switch(temp_state)
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.
#ifndef HEATER_0_USES_MAX6675
current_temperature_raw[0] = raw_temp_0_value; current_temperature_raw[0] = raw_temp_0_value;
#endif #endif
#if EXTRUDERS > 1 #if EXTRUDERS > 1
current_temperature_raw[1] = raw_temp_1_value; current_temperature_raw[1] = raw_temp_1_value;
#endif #if EXTRUDERS > 2
#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; current_temperature_raw[2] = raw_temp_2_value;
#endif #if EXTRUDERS > 3
#if EXTRUDERS > 3
current_temperature_raw[3] = raw_temp_3_value; current_temperature_raw[3] = raw_temp_3_value;
#endif #endif
#endif
#endif
#ifdef TEMP_SENSOR_1_AS_REDUNDANT
redundant_temperature_raw = raw_temp_1_value;
#endif
current_temperature_bed_raw = raw_temp_bed_value; current_temperature_bed_raw = raw_temp_bed_value;
} } //!temp_meas_ready
//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
// Filament Sensor - can be read any time since IIR filtering is used
#if HAS_FILAMENT_SENSOR
current_raw_filwidth = raw_filwidth_value >> 10; // Divide to get to 0-16384 range since we used 1/128 IIR filter approach
#endif
temp_meas_ready = true; temp_meas_ready = true;
temp_count = 0; temp_count = 0;
@ -1865,131 +1595,47 @@ ISR(TIMER0_COMPB_vect)
raw_temp_3_value = 0; raw_temp_3_value = 0;
raw_temp_bed_value = 0; raw_temp_bed_value = 0;
#if HEATER_0_RAW_LO_TEMP > HEATER_0_RAW_HI_TEMP #if HEATER_0_RAW_LO_TEMP > HEATER_0_RAW_HI_TEMP
if(current_temperature_raw[0] <= maxttemp_raw[0]) { #define MAXTEST <=
#else #define MINTEST >=
if(current_temperature_raw[0] >= maxttemp_raw[0]) { #else
#endif #define MAXTEST >=
#ifndef HEATER_0_USES_MAX6675 #define MINTEST <=
max_temp_error(0); #endif
#endif
}
#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
#ifndef HEATER_0_USES_MAX6675
min_temp_error(0);
#endif
}
for (int i=0; i<EXTRUDERS; i++) {
#if EXTRUDERS > 1 if (current_temperature_raw[i] MAXTEST maxttemp_raw[i]) max_temp_error(i);
#if HEATER_1_RAW_LO_TEMP > HEATER_1_RAW_HI_TEMP else if (current_temperature_raw[i] MINTEST minttemp_raw[i]) min_temp_error(i);
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
#if EXTRUDERS > 3
#if HEATER_3_RAW_LO_TEMP > HEATER_3_RAW_HI_TEMP
if(current_temperature_raw[3] <= maxttemp_raw[3]) {
#else
if(current_temperature_raw[3] >= maxttemp_raw[3]) {
#endif
max_temp_error(3);
}
#if HEATER_3_RAW_LO_TEMP > HEATER_3_RAW_HI_TEMP
if(current_temperature_raw[3] >= minttemp_raw[3]) {
#else
if(current_temperature_raw[3] <= minttemp_raw[3]) {
#endif
min_temp_error(3);
}
#endif
/* No bed MINTEMP error? */ /* No bed MINTEMP error? */
#if defined(BED_MAXTEMP) && (TEMP_SENSOR_BED != 0) #if defined(BED_MAXTEMP) && (TEMP_SENSOR_BED != 0)
# if HEATER_BED_RAW_LO_TEMP > HEATER_BED_RAW_HI_TEMP if (current_temperature_bed_raw MAXTEST bed_maxttemp_raw) {
if(current_temperature_bed_raw <= bed_maxttemp_raw) {
#else
if(current_temperature_bed_raw >= bed_maxttemp_raw) {
#endif
target_temperature_bed = 0; target_temperature_bed = 0;
bed_max_temp_error(); bed_max_temp_error();
} }
#endif #endif
} } // temp_count >= OVERSAMPLENR
#ifdef BABYSTEPPING #ifdef BABYSTEPPING
for(uint8_t axis=0;axis<3;axis++) for (uint8_t axis=X_AXIS; axis<=Z_AXIS; axis++) {
{
int curTodo=babystepsTodo[axis]; //get rid of volatile for performance int curTodo=babystepsTodo[axis]; //get rid of volatile for performance
if(curTodo>0) if (curTodo > 0) {
{
babystep(axis,/*fwd*/true); babystep(axis,/*fwd*/true);
babystepsTodo[axis]--; //less to do next time babystepsTodo[axis]--; //less to do next time
} }
else else if(curTodo < 0) {
if(curTodo<0)
{
babystep(axis,/*fwd*/false); babystep(axis,/*fwd*/false);
babystepsTodo[axis]++; //less to do next time babystepsTodo[axis]++; //less to do next time
} }
} }
#endif //BABYSTEPPING #endif //BABYSTEPPING
} }
#ifdef PIDTEMP #ifdef PIDTEMP
// Apply the scale factors to the PID values // 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_i(float i) float scalePID_d(float d) { return d / PID_dT; }
{ float unscalePID_d(float d) { return d * PID_dT; }
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 #endif //PIDTEMP