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Implement the delayed-move technique
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thinkyhead committed Jun 5, 2016
1 parent a3e25a0 commit 47b5c55
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Showing 2 changed files with 8 additions and 6 deletions.
2 changes: 2 additions & 0 deletions Marlin/planner.h
Original file line number Diff line number Diff line change
Expand Up @@ -189,6 +189,8 @@ class Planner {
*/
static uint8_t movesplanned() { return BLOCK_MOD(block_buffer_head - block_buffer_tail + BLOCK_BUFFER_SIZE); }

static bool is_full() { return (block_buffer_tail == BLOCK_MOD(block_buffer_head + 1)); }

#if ENABLED(AUTO_BED_LEVELING_FEATURE) || ENABLED(MESH_BED_LEVELING)

#if ENABLED(AUTO_BED_LEVELING_FEATURE)
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12 changes: 6 additions & 6 deletions Marlin/ultralcd.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -51,6 +51,7 @@
int8_t encoderDiff; // updated from interrupt context and added to encoderPosition every LCD update

int8_t manual_move_axis = (int8_t)NO_AXIS;
millis_t manual_move_start_time = 0;

bool encoderRateMultiplierEnabled;
int32_t lastEncoderMovementMillis;
Expand Down Expand Up @@ -1193,11 +1194,11 @@ static void lcd_prepare_menu() {
#endif // DELTA_CALIBRATION_MENU

/**
* If the manual move hasn't been fed to the planner yet,
* If the most recent manual move hasn't been fed to the planner yet,
* and the planner can accept one, send immediately
*/
inline void manage_manual_move() {
if (manual_move_axis != (int8_t)NO_AXIS && !planner.planner_is_full()) {
if (manual_move_axis != (int8_t)NO_AXIS && millis() >= manual_move_start_time && !planner.is_full()) {
#if ENABLED(DELTA)
calculate_delta(current_position);
planner.buffer_line(delta[X_AXIS], delta[Y_AXIS], delta[Z_AXIS], current_position[E_AXIS], manual_feedrate[manual_move_axis]/60, active_extruder);
Expand All @@ -1209,13 +1210,12 @@ inline void manage_manual_move() {
}

/**
* Set a flag that lcd_update() should send a move
* to "current_position" at the next opportunity,
* and try to send one now.
* Set a flag that lcd_update() should start a move
* to "current_position" after a short delay.
*/
inline void manual_move_to_current(AxisEnum axis) {
manual_move_start_time = millis() + 500UL; // 1/2 second delay
manual_move_axis = (int8_t)axis;
manage_manual_move();
}

/**
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