From 8a453e65f8fd6a4cd5a672be31c1e1a12765ff59 Mon Sep 17 00:00:00 2001
From: PavelSindler <sindlerpa@gmail.com>
Date: Wed, 29 Aug 2018 13:16:17 +0200
Subject: [PATCH] eject filament allowed only when nozzle is hot (there can be
filament loaded in printer nozzle)
---
Firmware/mmu.cpp | 34 +++++++++++++++++++++++++++++-----
1 file changed, 29 insertions(+), 5 deletions(-)
diff --git a/Firmware/mmu.cpp b/Firmware/mmu.cpp
index 12319d97..a23a402a 100644
--- a/Firmware/mmu.cpp
+++ b/Firmware/mmu.cpp
@@ -954,13 +954,37 @@ void mmu_eject_filament(uint8_t filament, bool recover)
{
if (filament < 5)
{
- mmu_command(MMU_CMD_E0 + filament);
- manage_response(false, false);
- if (recover)
+
+ if (degHotend0() > EXTRUDE_MINTEMP)
{
- lcd_show_fullscreen_message_and_wait_P(_i("Please remove filament and then press the knob."));
- mmu_command(MMU_CMD_R0);
+ st_synchronize();
+ lcd_update_enable(false);
+ lcd_clear();
+ lcd_set_cursor(0, 1); lcd_puts_P(_i("Ejecting filament"));
+ current_position[E_AXIS] -= 80;
+ plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS], 2500 / 60, active_extruder);
+ st_synchronize();
+
+ lcd_update_enable(true);
+
+ mmu_command(MMU_CMD_E0 + filament);
manage_response(false, false);
+ if (recover)
+ {
+ lcd_show_fullscreen_message_and_wait_P(_i("Please remove filament and then press the knob."));
+ mmu_command(MMU_CMD_R0);
+ manage_response(false, false);
+ }
+ }
+ else
+ {
+ lcd_clear();
+ lcd_set_cursor(0, 0);
+ lcd_puts_P(_T(MSG_ERROR));
+ lcd_set_cursor(0, 2);
+ lcd_puts_P(_T(MSG_PREHEAT_NOZZLE));
+ delay(2000);
+ lcd_clear();
}
}
else