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Update system.c

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Correct control pin state checking within pin change interrupt. Improper if-else statements could lead to missed signal.
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Sonny Jeon 2018-11-12 08:25:32 -07:00 • committed by GitHub
parent 0b5604bd7b
commit addb1a9813
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1 changed files with 5 additions and 3 deletions
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8
grbl/system.c
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@ -66,13 +66,15 @@ ISR(CONTROL_INT_vect)
if (pin) { if (pin) {
if (bit_istrue(pin,CONTROL_PIN_INDEX_RESET)) { if (bit_istrue(pin,CONTROL_PIN_INDEX_RESET)) {
mc_reset(); mc_reset();
} else if (bit_istrue(pin,CONTROL_PIN_INDEX_CYCLE_START)) { }
if (bit_istrue(pin,CONTROL_PIN_INDEX_CYCLE_START)) {
bit_true(sys_rt_exec_state, EXEC_CYCLE_START); bit_true(sys_rt_exec_state, EXEC_CYCLE_START);
}
#ifndef ENABLE_SAFETY_DOOR_INPUT_PIN #ifndef ENABLE_SAFETY_DOOR_INPUT_PIN
} else if (bit_istrue(pin,CONTROL_PIN_INDEX_FEED_HOLD)) { if (bit_istrue(pin,CONTROL_PIN_INDEX_FEED_HOLD)) {
bit_true(sys_rt_exec_state, EXEC_FEED_HOLD); bit_true(sys_rt_exec_state, EXEC_FEED_HOLD);
#else #else
} else if (bit_istrue(pin,CONTROL_PIN_INDEX_SAFETY_DOOR)) { if (bit_istrue(pin,CONTROL_PIN_INDEX_SAFETY_DOOR)) {
bit_true(sys_rt_exec_state, EXEC_SAFETY_DOOR); bit_true(sys_rt_exec_state, EXEC_SAFETY_DOOR);
#endif #endif
} }