🩹 Allow M42 S0/1 analogWrite on PWM pins (STM32) (#22631)

tpruvot · web-flow · commit 9a9d55ceb018 · 2021-09-01T18:45:17.000-05:00
diff --git a/Marlin/src/gcode/control/M42.cpp b/Marlin/src/gcode/control/M42.cpp
@@ -127,7 +127,7 @@ void GcodeSuite::M42() {
 
   #ifdef ARDUINO_ARCH_STM32
     // A simple I/O will be set to 0 by analogWrite()
-    if (pin_status <= 1) return;
+    if (pin_status <= 1 && !PWM_PIN(pin)) return;
   #endif
   analogWrite(pin, pin_status);
 }

Original file line number	Diff line number	Diff line change
`@@ -127,7 +127,7 @@ void GcodeSuite::M42() {`
`127`	`127`
`128`	`128`	`#ifdef ARDUINO_ARCH_STM32`
`129`	`129`	`// A simple I/O will be set to 0 by analogWrite()`
`130`		`- if (pin_status <= 1) return;`
	`130`	`+ if (pin_status <= 1 && !PWM_PIN(pin)) return;`
`131`	`131`	`#endif`
`132`	`132`	`analogWrite(pin, pin_status);`
`133`	`133`	`}`