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add I parameter to M42 to allow access to sensitive pins

pull/1/head
Roxy-3D 6 years ago
committed by Scott Lahteine
parent
commit
fd15b1495a
  1. 3
      Marlin/src/gcode/control/M42.cpp

3
Marlin/src/gcode/control/M42.cpp

@ -32,6 +32,7 @@
* P1_20 as M42 P120, etc. * P1_20 as M42 P120, etc.
* *
* S<byte> Pin status from 0 - 255 * S<byte> Pin status from 0 - 255
* I Flag to ignore Marlin's pin protection
*/ */
void GcodeSuite::M42() { void GcodeSuite::M42() {
if (!parser.seenval('S')) return; if (!parser.seenval('S')) return;
@ -42,7 +43,7 @@ void GcodeSuite::M42() {
const pin_t pin = GET_PIN_MAP_PIN(pin_index); const pin_t pin = GET_PIN_MAP_PIN(pin_index);
if (pin_is_protected(pin)) return protected_pin_err(); if (!parser.boolval('I') && pin_is_protected(pin)) return protected_pin_err();
pinMode(pin, OUTPUT); pinMode(pin, OUTPUT);
digitalWrite(pin, pin_status); digitalWrite(pin, pin_status);

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