bissen21/Marlin_Firmware
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Make multiple PID parameters a config option

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* Adds config parameter `PID_PARAMS_PER_EXTRUDER` - allows single PID
parameters to be used where this would be preferable (e.g. dual
identical extruders)
* When disabled, will use `float Kp, Ki, Kd, Kc;` as before.
Preprocessor macros used to switch between.
* ultralcd.cpp defines extra menus for extra parameters only where
required
* M301 reports `e:xx` only if independent pid parameters enabled
* EEPROM structure still leaves space for 3 extruders worth, when undef
will save single parameter to all extruder positions, but only read the
first
* Switching off saves approx 330 B with no LCD enabled, 2634B with LCD
(RRD) enabled: this is significant.
* LCD modifications should be tested.
This commit is contained in:
grob6000
2015-01-11 13:50:17 +11:00
parent 0877aa0fe0
commit bf2c923db5
6 changed files with 96 additions and 70 deletions
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38
Marlin/ConfigurationStore.cpp
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@ -81,11 +81,11 @@ void Config_StoreSettings()
{
if (e < EXTRUDERS)
{
EEPROM_WRITE_VAR(i,Kp[e]);
EEPROM_WRITE_VAR(i,Ki[e]);
EEPROM_WRITE_VAR(i,Kd[e]);
EEPROM_WRITE_VAR(i,PID_PARAM(Kp,e));
EEPROM_WRITE_VAR(i,PID_PARAM(Ki,e));
EEPROM_WRITE_VAR(i,PID_PARAM(Kd,e));
#ifdef PID_ADD_EXTRUSION_RATE
EEPROM_WRITE_VAR(i,Kc[e]);
EEPROM_WRITE_VAR(i,PID_PARAM(Kc,e));
#else//PID_ADD_EXTRUSION_RATE
dummy = 1.0f; // 1.0 = default kc
EEPROM_WRITE_VAR(dummmy);
@ -232,9 +232,9 @@ SERIAL_ECHOLNPGM("Scaling factors:");
SERIAL_ECHO_START;
SERIAL_ECHOLNPGM("PID settings:");
SERIAL_ECHO_START;
SERIAL_ECHOPAIR(" M301 P", Kp[0]); // for compatibility with hosts, only echos values for E0
SERIAL_ECHOPAIR(" I" ,unscalePID_i(Ki[0]));
SERIAL_ECHOPAIR(" D" ,unscalePID_d(Kd[0]));
SERIAL_ECHOPAIR(" M301 P", PID_PARAM(Kp,0)); // for compatibility with hosts, only echos values for E0
SERIAL_ECHOPAIR(" I", unscalePID_i(PID_PARAM(Ki, 0)));
SERIAL_ECHOPAIR(" D", unscalePID_d(PID_PARAM(Kd, 0)));
SERIAL_ECHOLN("");
#endif//PIDTEMP
#ifdef FWRETRACT
@ -341,11 +341,11 @@ void Config_RetrieveSettings()
if (e < EXTRUDERS)
{
// do not need to scale PID values as the values in EEPROM are already scaled
EEPROM_READ_VAR(i,Kp[e]);
EEPROM_READ_VAR(i,Ki[e]);
EEPROM_READ_VAR(i,Kd[e]);
EEPROM_READ_VAR(i,PID_PARAM(Kp,e));
EEPROM_READ_VAR(i,PID_PARAM(Ki,e));
EEPROM_READ_VAR(i,PID_PARAM(Kd,e));
#ifdef PID_ADD_EXTRUSION_RATE
EEPROM_READ_VAR(i,Kc[e]);
EEPROM_READ_VAR(i,PID_PARAM(Kc,e));
#else//PID_ADD_EXTRUSION_RATE
EEPROM_READ_VAR(i,dummy);
#endif//PID_ADD_EXTRUSION_RATE
@ -470,14 +470,18 @@ void Config_ResetDefault()
lcd_contrast = DEFAULT_LCD_CONTRAST;
#endif//DOGLCD
#ifdef PIDTEMP
#ifdef PID_PARAMS_PER_EXTRUDER
for (int e = 0; e < EXTRUDERS; e++)
#else // PID_PARAMS_PER_EXTRUDER
int e = 0; // only need to write once
#endif // PID_PARAMS_PER_EXTRUDER
{
Kp[e] = DEFAULT_Kp;
Ki[e] = scalePID_i(DEFAULT_Ki);
Kd[e] = scalePID_d(DEFAULT_Kd);
#ifdef PID_ADD_EXTRUSION_RATE
Kc[e] = DEFAULT_Kc;
#endif//PID_ADD_EXTRUSION_RATE
PID_PARAM(Kp,e) = DEFAULT_Kp;
PID_PARAM(Ki,e) = scalePID_i(DEFAULT_Ki);
PID_PARAM(Kd,e) = scalePID_d(DEFAULT_Kd);
#ifdef PID_ADD_EXTRUSION_RATE
PID_PARAM(Kc,e) = DEFAULT_Kc;
#endif//PID_ADD_EXTRUSION_RATE
}
// call updatePID (similar to when we have processed M301)
updatePID();