ManuelW/grbl-LPC-CoreXY
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Compile-option for inverting spindle enable.

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- Installed a compile-option for inverting the spindle enable pin for
certain electronics boards users have reported needing this.
This commit is contained in:
Sungeun Jeon
2015-03-27 19:59:34 -06:00
parent ed29d8a122
commit 234195e721
2 changed files with 27 additions and 4 deletions
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24
grbl/spindle_control.c
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@ -49,10 +49,18 @@ void spindle_stop()
#ifdef VARIABLE_SPINDLE
TCCRA_REGISTER &= ~(1<<COMB_BIT); // Disable PWM. Output voltage is zero.
#if defined(CPU_MAP_ATMEGA2560) || defined(USE_SPINDLE_DIR_AS_ENABLE_PIN)
SPINDLE_ENABLE_PORT &= ~(1<<SPINDLE_ENABLE_BIT); // Set pin to low.
#ifdef INVERT_SPINDLE_ENABLE_PIN
SPINDLE_ENABLE_PORT |= (1<<SPINDLE_ENABLE_BIT); // Set pin to high
#else
SPINDLE_ENABLE_PORT &= ~(1<<SPINDLE_ENABLE_BIT); // Set pin to low
#endif
#endif
#else
SPINDLE_ENABLE_PORT &= ~(1<<SPINDLE_ENABLE_BIT); // Set pin to low.
#ifdef INVERT_SPINDLE_ENABLE_PIN
SPINDLE_ENABLE_PORT |= (1<<SPINDLE_ENABLE_BIT); // Set pin to high
#else
SPINDLE_ENABLE_PORT &= ~(1<<SPINDLE_ENABLE_BIT); // Set pin to low
#endif
#endif
}
@ -101,11 +109,19 @@ void spindle_set_state(uint8_t state, float rpm)
// On the Uno, spindle enable and PWM are shared, unless otherwise specified.
#if defined(CPU_MAP_ATMEGA2560) || defined(USE_SPINDLE_DIR_AS_ENABLE_PIN)
SPINDLE_ENABLE_PORT |= (1<<SPINDLE_ENABLE_BIT);
#ifdef INVERT_SPINDLE_ENABLE_PIN
SPINDLE_ENABLE_PORT &= ~(1<<SPINDLE_ENABLE_BIT);
#else
SPINDLE_ENABLE_PORT |= (1<<SPINDLE_ENABLE_BIT);
#endif
#endif
#else
SPINDLE_ENABLE_PORT |= (1<<SPINDLE_ENABLE_BIT);
#ifdef INVERT_SPINDLE_ENABLE_PIN
SPINDLE_ENABLE_PORT &= ~(1<<SPINDLE_ENABLE_BIT);
#else
SPINDLE_ENABLE_PORT |= (1<<SPINDLE_ENABLE_BIT);
#endif
#endif
}