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Parametrize LA limits and threshold values

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Allow the LA 1.5 MAX value to be configured in Configuration_adv.h.

Define a customizable LA10<>15 detection threshold in function of the
above limit.

Clamp the result of of the LA10->15 return value to always
respect the new LA_K_MAX.
This commit is contained in:
Yuri D'Elia 2020-04-28 17:24:03 +02:00
parent baaa372a56
commit 0b666ee733
4 changed files with 15 additions and 10 deletions
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4
Firmware/Configuration_adv.h
View File

@ -285,7 +285,9 @@
#define LIN_ADVANCE
#ifdef LIN_ADVANCE
#define LIN_ADVANCE_K 0 // Unit: mm compression per 1mm/s extruder speed
#define LA_K_DEF 0 // Default K factor (Unit: mm compression per 1mm/s extruder speed)
#define LA_K_MAX 10 // Maximum acceptable K factor (exclusive, see notes in planner.cpp:plan_buffer_line)
#define LA_LA10_MIN LA_K_MAX // Lin. Advance 1.0 threshold value (inclusive)
//#define LA_NOCOMPAT // Disable Linear Advance 1.0 compatibility
//#define LA_LIVE_K // Allow adjusting K in the Tune menu
//#define LA_DEBUG // If enabled, this will generate debug information output over USB.

2
Firmware/Marlin_main.cpp
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@ -2066,7 +2066,7 @@ static float probe_pt(float x, float y, float z_before) {
inline void gcode_M900() {
float newK = code_seen('K') ? code_value_float() : -2;
#ifdef LA_NOCOMPAT
if (newK >= 0 && newK < 10)
if (newK >= 0 && newK < LA_K_MAX)
extruder_advance_K = newK;
else
SERIAL_ECHOLNPGM("K out of allowed range!");

9
Firmware/la10compat.cpp
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@ -1,5 +1,6 @@
#include "la10compat.h"
#include "Marlin.h"
#include <float.h>
static LA10C_MODE la10c_mode = LA10C_UNKNOWN; // Current LA compatibility mode
@ -38,7 +39,9 @@ void la10c_mode_change(LA10C_MODE mode)
static float la10c_convert(float k)
{
float new_K = k * 0.004 - 0.05;
return (new_K < 0? 0: new_K);
return new_K < 0? 0:
new_K > (LA_K_MAX - FLT_EPSILON)? (LA_K_MAX - FLT_EPSILON):
new_K;
}
@ -52,11 +55,11 @@ float la10c_value(float k)
else if(k < 0)
return -1;
la10c_mode_change(k < 10? LA10C_LA15: LA10C_LA10);
la10c_mode_change(k < LA_LA10_MIN? LA10C_LA15: LA10C_LA10);
}
if(la10c_mode == LA10C_LA15)
return (k >= 0 && k < 10? k: -1);
return (k >= 0 && k < LA_K_MAX? k: -1);
else
return (k >= 0? la10c_convert(k): -1);
}

2
Firmware/planner.cpp
View File

@ -126,7 +126,7 @@ float extrude_min_temp=EXTRUDE_MINTEMP;
#endif
#ifdef LIN_ADVANCE
float extruder_advance_K = LIN_ADVANCE_K;
float extruder_advance_K = LA_K_DEF;
float position_float[NUM_AXIS];
#endif