ManuelW/grbl-LPC-CoreXY
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fixed a nil dereferencing bug in planner_forward_pass_kernel thanks to jv4779

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Simen Svale Skogsrud 2011-07-10 21:54:03 +02:00
parent 804837a111
commit 5466bc0c33
1 changed files with 9 additions and 7 deletions
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4
planner.c
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@ -206,7 +206,8 @@ static void planner_forward_pass_kernel(block_t *previous, block_t *current, blo
// If the previous block is an acceleration block, but it is not long enough to // If the previous block is an acceleration block, but it is not long enough to
// complete the full speed change within the block, we need to adjust out entry // complete the full speed change within the block, we need to adjust out entry
// speed accordingly. Remember current->entry_factor equals the exit factor of // speed accordingly. Remember current->entry_factor equals the exit factor of
// the previous block. // the previous block.¨
if(previous) {
if(previous->entry_factor < current->entry_factor) { if(previous->entry_factor < current->entry_factor) {
double max_entry_speed = max_allowable_speed(-settings.acceleration, double max_entry_speed = max_allowable_speed(-settings.acceleration,
current->nominal_speed*previous->entry_factor, previous->millimeters); current->nominal_speed*previous->entry_factor, previous->millimeters);
@ -215,6 +216,7 @@ static void planner_forward_pass_kernel(block_t *previous, block_t *current, blo
current->entry_factor = max_entry_factor; current->entry_factor = max_entry_factor;
} }
} }
}
} }
// planner_recalculate() needs to go over the current plan twice. Once in reverse and once forward. This // planner_recalculate() needs to go over the current plan twice. Once in reverse and once forward. This