unload with lowered current

This commit is contained in:
PavelSindler 2018-02-01 17:43:03 +01:00
parent a256a8ff19
commit d92f6292aa
2 changed files with 7 additions and 1 deletions

View file

@ -205,6 +205,7 @@ const bool Z_MIN_ENDSTOP_INVERTING = false; // set to true to invert the logic o
//new settings is possible for vsense = 1, running current value > 31 set vsense to zero and shift both currents by 1 bit right (Z axis only)
#define TMC2130_CURRENTS_H {13, 20, 25, 35} // default holding currents for all axes
#define TMC2130_CURRENTS_R {13, 20, 25, 35} // default running currents for all axes
#define TMC2130_UNLOAD_CURRENT_R 12 // lowe current for M600 to protect filament sensor
//#define TMC2130_DEBUG
//#define TMC2130_DEBUG_WR

View file

@ -5740,6 +5740,10 @@ case 404: //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
//plan_buffer_line(target[X_AXIS], target[Y_AXIS], target[Z_AXIS], target[E_AXIS], 3500 / 60, active_extruder);
target[E_AXIS] -= FILAMENTCHANGE_FINALRETRACT;
st_synchronize();
uint8_t tmc2130_current_r_bckp = tmc2130_current_r[E_AXIS];
tmc2130_set_current_r(E_AXIS, TMC2130_UNLOAD_CURRENT_R);
target[E_AXIS] -= 45;
plan_buffer_line(target[X_AXIS], target[Y_AXIS], target[Z_AXIS], target[E_AXIS], 5200 / 60, active_extruder);
st_synchronize();
@ -5750,6 +5754,7 @@ case 404: //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
plan_buffer_line(target[X_AXIS], target[Y_AXIS], target[Z_AXIS], target[E_AXIS], 1000 / 60, active_extruder);
st_synchronize();
tmc2130_set_current_r(E_AXIS, tmc2130_current_r_bckp);
#endif // SNMM
@ -6157,7 +6162,7 @@ case 404: //M404 Enter the nominal filament width (3mm, 1.75mm ) N<3.0> or disp
lcd_setstatuspgm(MSG_UNLOADING_FILAMENT);
// extr_unload2();
current_position[E_AXIS] -= 45;
plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 5200 / 60, active_extruder);
st_synchronize();