3DPrinting/Prusa-Firmware
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crash detection fix for absolute E coordinates

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This commit is contained in:
PavelSindler 2018-06-15 20:03:48 +02:00
parent 122d1348ce
commit ac1e089a7f
1 changed files with 23 additions and 7 deletions
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30
Firmware/Marlin_main.cpp
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@ -525,6 +525,7 @@ static float saved_pos[4] = { 0, 0, 0, 0 };
static float saved_feedrate2 = 0;
static uint8_t saved_active_extruder = 0;
static bool saved_extruder_under_pressure = false;
static bool saved_extruder_relative_mode = false;
//===========================================================================
//=============================Routines======================================
@ -660,12 +661,12 @@ void crashdet_disable()
void crashdet_stop_and_save_print()
{
stop_and_save_print_to_ram(10, -2); //XY - no change, Z 10mm up, E -2mm retract
stop_and_save_print_to_ram(10, -DEFAULT_RETRACTION); //XY - no change, Z 10mm up, E -1mm retract
}
void crashdet_restore_print_and_continue()
{
restore_print_from_ram_and_continue(2); //XYZ = orig, E +2mm unretract
restore_print_from_ram_and_continue(DEFAULT_RETRACTION); //XYZ = orig, E +1mm unretract
// babystep_apply();
}
@ -8774,11 +8775,11 @@ void stop_and_save_print_to_ram(float z_move, float e_move)
uint16_t value;
} sdlen_single;
int _bufindr = bufindr;
for (int _buflen = buflen; _buflen > 0; ++ iline) {
for (int _buflen = buflen; _buflen > 0; ++ iline) {
if (cmdbuffer[_bufindr] == CMDBUFFER_CURRENT_TYPE_SDCARD) {
sdlen_single.lohi.lo = cmdbuffer[_bufindr + 1];
sdlen_single.lohi.hi = cmdbuffer[_bufindr + 2];
}
}
SERIAL_ECHOPGM("Buffer line (from buffer): ");
MYSERIAL.print(int(iline), DEC);
SERIAL_ECHOPGM(", type: ");
@ -8789,7 +8790,6 @@ void stop_and_save_print_to_ram(float z_move, float e_move)
MYSERIAL.println(cmdbuffer + _bufindr + CMDHDRSIZE);
SERIAL_ECHOPGM("Buffer line (from file): ");
MYSERIAL.print(int(iline), DEC);
MYSERIAL.println(int(iline), DEC);
for (; sdlen_single.value > 0; -- sdlen_single.value)
MYSERIAL.print(char(card.get()));
@ -8836,10 +8836,17 @@ void stop_and_save_print_to_ram(float z_move, float e_move)
char buf[48];
// First unretract (relative extrusion)
saved_extruder_relative_mode = axis_relative_modes[E_AXIS];
if(!saved_extruder_relative_mode){
strcpy_P(buf, PSTR("M83"));
enquecommand(buf, false);
}
//retract 45mm/s
strcpy_P(buf, PSTR("G1 E"));
dtostrf(e_move, 6, 3, buf + strlen(buf));
strcat_P(buf, PSTR(" F"));
dtostrf(retract_feedrate*60, 8, 3, buf + strlen(buf));
dtostrf(2700, 8, 3, buf + strlen(buf));
enquecommand(buf, false);
// Then lift Z axis
@ -8868,10 +8875,19 @@ void restore_print_from_ram_and_continue(float e_move)
// current_position[axis] = st_get_position_mm(axis);
active_extruder = saved_active_extruder; //restore active_extruder
feedrate = saved_feedrate2; //restore feedrate
axis_relative_modes[E_AXIS] = saved_extruder_relative_mode;
float e = saved_pos[E_AXIS] - e_move;
plan_set_e_position(e);
plan_buffer_line(saved_pos[X_AXIS], saved_pos[Y_AXIS], saved_pos[Z_AXIS], saved_pos[E_AXIS], homing_feedrate[Z_AXIS]/13, active_extruder);
//first move print head in XY to the saved position:
plan_buffer_line(saved_pos[X_AXIS], saved_pos[Y_AXIS], current_position[Z_AXIS], saved_pos[E_AXIS] - e_move, homing_feedrate[Z_AXIS]/13, active_extruder);
st_synchronize();
//then move Z
plan_buffer_line(saved_pos[X_AXIS], saved_pos[Y_AXIS], saved_pos[Z_AXIS], saved_pos[E_AXIS] - e_move, homing_feedrate[Z_AXIS]/13, active_extruder);
st_synchronize();
//and finaly unretract (35mm/s)
plan_buffer_line(saved_pos[X_AXIS], saved_pos[Y_AXIS], saved_pos[Z_AXIS], saved_pos[E_AXIS], 35, active_extruder);
st_synchronize();
memcpy(current_position, saved_pos, sizeof(saved_pos));
memcpy(destination, current_position, sizeof(destination));
if (saved_printing_type == PRINTING_TYPE_SD) { //was sd printing