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Add support for printers with inverted fan pins (#13362)

Add support for printers with inverted fan pins by adding `#define FAN_INVERTING 1` to `Configuration_adv.h` and modifying the fan write macros.
pull/1/head
pinchies 6 years ago
committed by Scott Lahteine
parent
commit
4df9509ead
  1. 10
      Marlin/src/inc/Conditionals_post.h

10
Marlin/src/inc/Conditionals_post.h

@ -1169,6 +1169,10 @@
/**
* Up to 3 PWM fans
*/
#ifndef FAN_INVERTING
#define FAN_INVERTING false
#endif
#if HAS_FAN2
#define FAN_COUNT 3
#elif HAS_FAN1
@ -1180,14 +1184,14 @@
#endif
#if HAS_FAN0
#define WRITE_FAN(v) WRITE(FAN_PIN, v)
#define WRITE_FAN(v) WRITE(FAN_PIN, (v) ^ FAN_INVERTING)
#define WRITE_FAN0(v) WRITE_FAN(v)
#endif
#if HAS_FAN1
#define WRITE_FAN1(v) WRITE(FAN1_PIN, v)
#define WRITE_FAN1(v) WRITE(FAN1_PIN, (v) ^ FAN_INVERTING)
#endif
#if HAS_FAN2
#define WRITE_FAN2(v) WRITE(FAN2_PIN, v)
#define WRITE_FAN2(v) WRITE(FAN2_PIN, (v) ^ FAN_INVERTING)
#endif
#define WRITE_FAN_N(n, v) WRITE_FAN##n(v)

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