save last extruder and set stepper directions too in case the extruder changed

fixes MarlinFirmware/Marlin#3144 and MarlinFirmware/Marlin#3083
This commit is contained in:
Alexander Leisentritt 2016-03-15 23:03:59 +01:00
parent 2ef49a9d53
commit 4338813814

View File

@ -574,8 +574,11 @@ void set_stepper_direction() {
// block begins.
FORCE_INLINE void trapezoid_generator_reset() {
if (current_block->direction_bits != out_bits) {
static int8_t last_extruder = -1;
if (current_block->direction_bits != out_bits || current_block->active_extruder != last_extruder) {
out_bits = current_block->direction_bits;
last_extruder = current_block->active_extruder;
set_stepper_direction();
}