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Merge pull request #3921 from thinkyhead/rc_calc_timer_tweak 

Tiny calc_timer speedup
pull/1/head
Scott Lahteine 9 years ago
parent
ffe55c230d ecfdcf7250
commit
02735fd500
1 changed files with 2 additions and 2 deletions
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  1. 4
      Marlin/stepper.h

4
Marlin/stepper.h
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@ -257,11 +257,11 @@ class Stepper {
NOMORE(step_rate, MAX_STEP_FREQUENCY); NOMORE(step_rate, MAX_STEP_FREQUENCY);
if (step_rate > 20000) { // If steprate > 20kHz >> step 4 times if (step_rate > 20000) { // If steprate > 20kHz >> step 4 times
step_rate = (step_rate >> 2) & 0x3fff; step_rate >>= 2;
step_loops = 4; step_loops = 4;
} }
else if (step_rate > 10000) { // If steprate > 10kHz >> step 2 times else if (step_rate > 10000) { // If steprate > 10kHz >> step 2 times
step_rate = (step_rate >> 1) & 0x7fff; step_rate >>= 1;
step_loops = 2; step_loops = 2;
} }
else { else {

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