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Protect Babystepping against other ISRs

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Especialy against stepper ISR.
This is even more important when a minimum pulse width is set,
increasing the runtime of a babystep.
This commit is contained in:
Sebastianv650 2017-03-21 18:05:44 +01:00
parent 80830919dc
commit bf57eb2447
1 changed files with 2 additions and 0 deletions
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2
Marlin/stepper.cpp
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@ -1250,6 +1250,7 @@ void Stepper::report_positions() {
// MUST ONLY BE CALLED BY AN ISR, // MUST ONLY BE CALLED BY AN ISR,
// No other ISR should ever interrupt this! // No other ISR should ever interrupt this!
void Stepper::babystep(const AxisEnum axis, const bool direction) { void Stepper::babystep(const AxisEnum axis, const bool direction) {
cli();
static uint8_t old_pin; static uint8_t old_pin;
#if STEP_PULSE_CYCLES > CYCLES_EATEN_BY_BABYSTEP #if STEP_PULSE_CYCLES > CYCLES_EATEN_BY_BABYSTEP
static uint32_t pulse_start; static uint32_t pulse_start;
@ -1336,6 +1337,7 @@ void Stepper::report_positions() {
default: break; default: break;
} }
sei();
} }
#endif //BABYSTEPPING #endif //BABYSTEPPING