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dda.c: make update_position() work with an empty queue.

This commit is contained in:
Markus Hitter 2011-10-07 21:11:55 +02:00
parent 7a458486ed
commit 2f8a257a0d
1 changed files with 31 additions and 26 deletions
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11
dda.c
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@ -682,9 +682,13 @@ void dda_step(DDA *dda) {
void update_current_position() { void update_current_position() {
DDA *dda = &movebuffer[mb_tail]; DDA *dda = &movebuffer[mb_tail];
if (dda->live == 0) if (queue_empty()) {
return; current_position.X = startpoint.X;
current_position.Y = startpoint.Y;
current_position.Z = startpoint.Z;
current_position.E = startpoint.E;
}
else if (dda->live) {
if (dda->x_direction) if (dda->x_direction)
current_position.X = dda->endpoint.X - move_state.x_steps; current_position.X = dda->endpoint.X - move_state.x_steps;
else else
@ -711,3 +715,4 @@ void update_current_position() {
// current_position.F is updated in dda_start() // current_position.F is updated in dda_start()
} }
}