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Disable laser power when PWM goes to 0

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Scott Lahteine 2017-11-11 21:58:37 -06:00
parent 68f2d95f76
commit 98c1265e3b
1 changed files with 1 additions and 0 deletions
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Marlin/src/gcode/control/M3-M5.cpp
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@ -103,6 +103,7 @@ void GcodeSuite::M3_M4(bool is_M3) {
const float spindle_laser_power = parser.floatval('S'); const float spindle_laser_power = parser.floatval('S');
if (spindle_laser_power == 0) { if (spindle_laser_power == 0) {
WRITE(SPINDLE_LASER_ENABLE_PIN, !SPINDLE_LASER_ENABLE_INVERT); // turn spindle off (active low) WRITE(SPINDLE_LASER_ENABLE_PIN, !SPINDLE_LASER_ENABLE_INVERT); // turn spindle off (active low)
analogWrite(SPINDLE_LASER_PWM_PIN, SPINDLE_LASER_PWM_INVERT ? 255 : 0); // only write low byte
delay_for_power_down(); delay_for_power_down();
} }
else { else {