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Tweak M42 var

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This commit is contained in:
Scott Lahteine 2017-11-20 23:30:59 -06:00
parent cf2c5266ed
commit 3269d8dd62
1 changed files with 3 additions and 3 deletions
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6
Marlin/src/gcode/control/M42.cpp
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@ -37,10 +37,10 @@ void GcodeSuite::M42() {
if (!parser.seenval('S')) return;
const byte pin_status = parser.value_byte();
int pin_number = PARSED_PIN_INDEX('P', GET_PIN_MAP_INDEX(LED_PIN));
if (pin_number < 0) return;
const int pin_index = PARSED_PIN_INDEX('P', GET_PIN_MAP_INDEX(LED_PIN));
if (pin_index < 0) return;
const pin_t pin = GET_PIN_MAP_PIN(pin_number);
const pin_t pin = GET_PIN_MAP_PIN(pin_index);
if (pin_is_protected(pin)) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_ERR_PROTECTED_PIN);