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Non-reentrant "Moving..." screen to safely wait in LCD

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This commit is contained in:
Scott Lahteine
2016-12-12 21:56:05 -08:00
parent 2b5d424394
commit b4dbf4d18a
4 changed files with 71 additions and 50 deletions
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36
Marlin/ultralcd.cpp
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@@ -390,7 +390,7 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to
bool screen_changed;
// LCD and menu clicks
bool lcd_clicked, wait_for_unclick, defer_return_to_status;
bool lcd_clicked, wait_for_unclick, defer_return_to_status, no_reentrance;
// Variables used when editing values.
const char* editLabel;
@@ -422,6 +422,27 @@ uint8_t lcdDrawUpdate = LCDVIEW_CLEAR_CALL_REDRAW; // Set when the LCD needs to
}
}
/**
* Synchronize safely while holding the current screen
* This blocks all further screen or stripe updates once called
*/
inline void lcd_synchronize() {
lcd_implementation_drawmenu_static(LCD_HEIGHT >= 4 ? 1 : 0, PSTR(MSG_MOVING));
if (no_reentrance) return;
no_reentrance = true;
screenFunc_t old_screen = currentScreen;
lcd_goto_screen(lcd_synchronize);
stepper.synchronize();
no_reentrance = false;
lcd_goto_screen(old_screen);
}
inline void lcd_wait_for_homing() {
no_reentrance = true;
while (!axis_homed[X_AXIS] || !axis_homed[Y_AXIS] || !axis_homed[Z_AXIS]) idle();
no_reentrance = true;
}
void lcd_return_to_status() { lcd_goto_screen(lcd_status_screen); }
void lcd_save_previous_screen() {
@@ -1063,6 +1084,7 @@ void kill_screen(const char* lcd_msg) {
// Note: During Manual Bed Leveling the homed Z position is MESH_HOME_SEARCH_Z
// Z position will be restored with the final action, a G28
inline void _mbl_goto_xy(float x, float y) {
if (no_reentrance) return;
current_position[Z_AXIS] = LOGICAL_Z_POSITION(MESH_HOME_SEARCH_Z + Z_HOMING_HEIGHT);
line_to_current(Z_AXIS);
current_position[X_AXIS] = LOGICAL_X_POSITION(x);
@@ -1072,7 +1094,7 @@ void kill_screen(const char* lcd_msg) {
current_position[Z_AXIS] = LOGICAL_Z_POSITION(MESH_HOME_SEARCH_Z);
line_to_current(Z_AXIS);
#endif
stepper.synchronize();
lcd_synchronize();
}
void _lcd_level_goto_next_point();
@@ -1094,6 +1116,8 @@ void kill_screen(const char* lcd_msg) {
void _lcd_level_bed_get_z() {
ENCODER_DIRECTION_NORMAL();
if (no_reentrance) goto KeepDrawing;
// Encoder wheel adjusts the Z position
if (encoderPosition) {
refresh_cmd_timeout();
@@ -1121,7 +1145,7 @@ void kill_screen(const char* lcd_msg) {
current_position[Z_AXIS] = MESH_HOME_SEARCH_Z + Z_HOMING_HEIGHT;
line_to_current(Z_AXIS);
stepper.synchronize();
lcd_synchronize();
mbl.set_has_mesh(true);
enqueue_and_echo_commands_P(PSTR("G28"));
@@ -1141,6 +1165,7 @@ void kill_screen(const char* lcd_msg) {
debounce_click = false;
}
KeepDrawing:
// Update on first display, then only on updates to Z position
// Show message above on clicks instead
if (lcdDrawUpdate) {
@@ -1215,8 +1240,9 @@ void kill_screen(const char* lcd_msg) {
LCDVIEW_CALL_NO_REDRAW
#endif
;
if (axis_homed[X_AXIS] && axis_homed[Y_AXIS] && axis_homed[Z_AXIS])
lcd_goto_screen(_lcd_level_bed_homing_done);
if (no_reentrance) return;
lcd_wait_for_homing();
lcd_goto_screen(_lcd_level_bed_homing_done);
}
/**