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Fix MBL to handle re-entrant calls

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This commit is contained in:
Scott Lahteine 2016-04-02 18:03:46 -07:00
parent 5719fcba51
commit d659777e70
1 changed files with 22 additions and 2 deletions
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24
Marlin/ultralcd.cpp
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@ -2483,8 +2483,19 @@ char* ftostr52(const float& x) {
* - Click saves the Z and goes to the next mesh point
*/
static void _lcd_level_bed() {
static bool mbl_wait_for_move = false;
// Menu handlers may be called in a re-entrant fashion
// if they call st_synchronize or plan_buffer_line. So
// while waiting for a move we just ignore new input.
if (mbl_wait_for_move) {
lcdDrawUpdate = LCD_DRAW_UPDATE_CALL_NO_REDRAW;
return;
}
ENCODER_DIRECTION_NORMAL();
if ((encoderPosition != 0) && (movesplanned() <= 3)) {
// Encoder wheel adjusts the Z position
if (encoderPosition != 0 && movesplanned() <= 3) {
refresh_cmd_timeout();
current_position[Z_AXIS] += float((int)encoderPosition) * (MBL_Z_STEP);
if (min_software_endstops) NOLESS(current_position[Z_AXIS], Z_MIN_POS);
@ -2493,10 +2504,18 @@ char* ftostr52(const float& x) {
line_to_current(Z_AXIS);
lcdDrawUpdate = LCD_DRAW_UPDATE_CALL_NO_REDRAW;
}
// Update on first display, then only on updates to Z position
if (lcdDrawUpdate) {
float v = current_position[Z_AXIS] - MESH_HOME_SEARCH_Z;
lcd_implementation_drawedit(PSTR(MSG_MOVE_Z), ftostr43(v + (v < 0 ? -0.0001 : 0.0001), '+'));
}
// We want subsequent calls, but don't force redraw
// Set here so it can be overridden by lcd_return_to_status below
lcdDrawUpdate = LCD_DRAW_UPDATE_CALL_NO_REDRAW;
// Click sets the current Z and moves to the next position
static bool debounce_click = false;
if (LCD_CLICKED) {
if (!debounce_click) {
@ -2508,10 +2527,12 @@ char* ftostr52(const float& x) {
_lcd_level_bed_position++;
if (_lcd_level_bed_position == (MESH_NUM_X_POINTS) * (MESH_NUM_Y_POINTS)) {
current_position[Z_AXIS] = MESH_HOME_SEARCH_Z;
mbl_wait_for_move = true;
line_to_current(Z_AXIS);
st_synchronize();
mbl.active = 1;
enqueue_and_echo_commands_P(PSTR("G28"));
mbl_wait_for_move = false;
lcd_return_to_status();
#if ENABLED(NEWPANEL)
lcd_quick_feedback();
@ -2531,7 +2552,6 @@ char* ftostr52(const float& x) {
current_position[X_AXIS] = mbl.get_x(ix);
current_position[Y_AXIS] = mbl.get_y(iy);
line_to_current(manual_feedrate[X_AXIS] <= manual_feedrate[Y_AXIS] ? X_AXIS : Y_AXIS);
lcdDrawUpdate = LCD_DRAW_UPDATE_CALL_NO_REDRAW;
}
}
}