thebears/marlin_skr
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

PID now per extruder. Fixed typo

Browse Source
This commit is contained in:
Erik vd Zalm
2013-01-06 14:26:23 +01:00
parent 0ac452e252
commit 6752cb2d9c
7 changed files with 125 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
Marlin/temperature.cpp
View File

@@ -34,6 +34,16 @@
#include "temperature.h"
#include "watchdog.h"
#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
//===========================================================================
//=============================public variables============================
//===========================================================================
@@ -44,10 +54,10 @@ float current_temperature[EXTRUDERS] = { 0 };
int current_temperature_bed_raw = 0;
float current_temperature_bed = 0;
#ifdef PIDTEMP
float Kp=DEFAULT_Kp;
float Ki=(DEFAULT_Ki*PID_dT);
float Kd=(DEFAULT_Kd/PID_dT);
#ifdef PIDTEMP
float Kp[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Kp, DEFAULT_Kp_E1, DEFAULT_Kp_E2);
float Ki[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Ki*PID_dT, DEFAULT_Ki_E1*PID_dT, DEFAULT_Ki_E2*PID_dT);
float Kd[EXTRUDERS] = ARRAY_BY_EXTRUDERS(DEFAULT_Kd/PID_dT, DEFAULT_Kd_E1/PID_dT, DEFAULT_Kd_E2/PID_dT);
#ifdef PID_ADD_EXTRUSION_RATE
float Kc=DEFAULT_Kc;
#endif
@@ -102,15 +112,7 @@ static volatile bool temp_meas_ready = false;
#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 );
@@ -292,7 +294,7 @@ void updatePID()
{
#ifdef PIDTEMP
for(int e = 0; e < EXTRUDERS; e++) {
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / Ki;
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / Ki[e];
}
#endif
#ifdef PIDTEMPBED
@@ -337,14 +339,14 @@ void manage_heater()
temp_iState[e] = 0.0;
pid_reset[e] = false;
}
pTerm[e] = Kp * pid_error[e];
pTerm[e] = Kp[e] * 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];
iTerm[e] = Ki[e] * 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]);
dTerm[e] = (Kd[e] * (pid_input - temp_dState[e]))*K2 + (K1 * dTerm[e]);
temp_dState[e] = pid_input;
pid_output = constrain(pTerm[e] + iTerm[e] - dTerm[e], 0, PID_MAX);
@@ -577,7 +579,7 @@ void tp_init()
maxttemp[e] = maxttemp[0];
#ifdef PIDTEMP
temp_iState_min[e] = 0.0;
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / Ki;
temp_iState_max[e] = PID_INTEGRAL_DRIVE_MAX / Ki[e];
#endif //PIDTEMP
#ifdef PIDTEMPBED
temp_iState_min_bed = 0.0;