diff --git a/Marlin/src/HAL/HAL_LPC1768/fastio.h b/Marlin/src/HAL/HAL_LPC1768/fastio.h
index e19500141f8be3e1abe06423f333435c42302e90..891cbde6fb5b02a91285bef9d37d8f05956e9a17 100644
--- a/Marlin/src/HAL/HAL_LPC1768/fastio.h
+++ b/Marlin/src/HAL/HAL_LPC1768/fastio.h
@@ -55,7 +55,7 @@ bool useable_hardware_PWM(pin_t pin);
#define WRITE_PIN_CLR(IO) (LPC_GPIO(LPC1768_PIN_PORT(IO))->FIOCLR = LPC_PIN(LPC1768_PIN_PIN(IO)))
#define READ_PIN(IO) ((LPC_GPIO(LPC1768_PIN_PORT(IO))->FIOPIN & LPC_PIN(LPC1768_PIN_PIN(IO))) ? 1 : 0)
-#define WRITE_PIN(IO, v) ((v) ? WRITE_PIN_SET(IO) : WRITE_PIN_CLR(IO))
+#define WRITE_PIN(IO,V) ((V) ? WRITE_PIN_SET(IO) : WRITE_PIN_CLR(IO))
/**
* Magic I/O routines
@@ -66,76 +66,76 @@ bool useable_hardware_PWM(pin_t pin);
*/
/// Read a pin
-#define _READ(IO) READ_PIN(IO)
+#define _READ(IO) READ_PIN(IO)
/// Write to a pin
-#define _WRITE_VAR(IO, v) digitalWrite(IO, v)
+#define _WRITE_VAR(IO,V) digitalWrite(IO,V)
-#define _WRITE(IO, v) WRITE_PIN(IO, v)
+#define _WRITE(IO,V) WRITE_PIN(IO,V)
/// toggle a pin
-#define _TOGGLE(IO) _WRITE(IO, !READ(IO))
+#define _TOGGLE(IO) _WRITE(IO, !READ(IO))
/// set pin as input
-#define _SET_INPUT(IO) SET_DIR_INPUT(IO)
+#define _SET_INPUT(IO) SET_DIR_INPUT(IO)
/// set pin as output
-#define _SET_OUTPUT(IO) SET_DIR_OUTPUT(IO)
+#define _SET_OUTPUT(IO) SET_DIR_OUTPUT(IO)
/// set pin as input with pullup mode
-#define _PULLUP(IO, v) (pinMode(IO, (v!=LOW ? INPUT_PULLUP : INPUT)))
+#define _PULLUP(IO,V) pinMode(IO, (V) ? INPUT_PULLUP : INPUT)
/// set pin as input with pulldown mode
-#define _PULLDOWN(IO, v) (pinMode(IO, (v!=LOW ? INPUT_PULLDOWN : INPUT)))
+#define _PULLDOWN(IO,V) pinMode(IO, (V) ? INPUT_PULLDOWN : INPUT)
// hg42: all pins can be input or output (I hope)
// hg42: undefined pins create compile error (IO, is no pin)
// hg42: currently not used, but was used by pinsDebug
/// check if pin is an input
-#define _GET_INPUT(IO) (LPC1768_PIN_PIN(IO)>=0)
+#define _GET_INPUT(IO) (LPC1768_PIN_PIN(IO) >= 0)
/// check if pin is an output
-#define _GET_OUTPUT(IO) (LPC1768_PIN_PIN(IO)>=0)
+#define _GET_OUTPUT(IO) (LPC1768_PIN_PIN(IO) >= 0)
// hg42: GET_TIMER is used only to check if it's a PWM pin
// hg42: we cannot use USEABLE_HARDWARE_PWM because it uses a function that cannot be used statically
// hg42: instead use PWM bit from the #define
/// check if pin is a timer
-#define _GET_TIMER(IO) TRUE // could be LPC1768_PIN_PWM(IO), but there
+#define _GET_TIMER(IO) TRUE // could be LPC1768_PIN_PWM(IO), but there
// hg42: could be this:
// #define _GET_TIMER(IO) LPC1768_PIN_PWM(IO)
// but this is an incomplete check (12 pins are PWMable, but only 6 can be used at the same time)
/// Read a pin wrapper
-#define READ(IO) _READ(IO)
+#define READ(IO) _READ(IO)
/// Write to a pin wrapper
-#define WRITE_VAR(IO, v) _WRITE_VAR(IO, v)
-#define WRITE(IO, v) _WRITE(IO, v)
+#define WRITE_VAR(IO,V) _WRITE_VAR(IO,V)
+#define WRITE(IO,V) _WRITE(IO,V)
/// toggle a pin wrapper
-#define TOGGLE(IO) _TOGGLE(IO)
+#define TOGGLE(IO) _TOGGLE(IO)
/// set pin as input wrapper
-#define SET_INPUT(IO) _SET_INPUT(IO)
+#define SET_INPUT(IO) _SET_INPUT(IO)
/// set pin as input with pullup wrapper
-#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
+#define SET_INPUT_PULLUP(IO) do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
/// set pin as input with pulldown wrapper
-#define SET_INPUT_PULLDOWN(IO) do{ _SET_INPUT(IO); _PULLDOWN(IO, HIGH); }while(0)
+#define SET_INPUT_PULLDOWN(IO) do{ _SET_INPUT(IO); _PULLDOWN(IO, HIGH); }while(0)
/// set pin as output wrapper - reads the pin and sets the output to that value
-#define SET_OUTPUT(IO) do{ _WRITE(IO, _READ(IO)); _SET_OUTPUT(IO); }while(0)
+#define SET_OUTPUT(IO) do{ _WRITE(IO, _READ(IO)); _SET_OUTPUT(IO); }while(0)
/// check if pin is an input wrapper
-#define GET_INPUT(IO) _GET_INPUT(IO)
+#define GET_INPUT(IO) _GET_INPUT(IO)
/// check if pin is an output wrapper
-#define GET_OUTPUT(IO) _GET_OUTPUT(IO)
+#define GET_OUTPUT(IO) _GET_OUTPUT(IO)
/// check if pin is a timer (wrapper)
-#define GET_TIMER(IO) _GET_TIMER(IO)
+#define GET_TIMER(IO) _GET_TIMER(IO)
// Shorthand
-#define OUT_WRITE(IO, v) { SET_OUTPUT(IO); WRITE(IO, v); }
+#define OUT_WRITE(IO,V) do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
#endif // _FASTIO_LPC1768_H
diff --git a/Marlin/src/HAL/HAL_STM32F1/fastio_Stm32f1.h b/Marlin/src/HAL/HAL_STM32F1/fastio_Stm32f1.h
index a854c8dff630eef7a9f87e5a6c883f888ee06c0d..d6683e36eeefa55acf550b5b602e9770c81cebc8 100644
--- a/Marlin/src/HAL/HAL_STM32F1/fastio_Stm32f1.h
+++ b/Marlin/src/HAL/HAL_STM32F1/fastio_Stm32f1.h
@@ -34,7 +34,7 @@
#define READ(IO) (PIN_MAP[IO].gpio_device->regs->IDR & (1U << PIN_MAP[IO].gpio_bit) ? HIGH : LOW)
#define WRITE(IO,V) (PIN_MAP[IO].gpio_device->regs->BSRR = (1U << PIN_MAP[IO].gpio_bit) << (16 * !(bool)V))
#define TOGGLE(IO) (PIN_MAP[IO].gpio_device->regs->ODR = PIN_MAP[IO].gpio_device->regs->ODR ^ (1U << PIN_MAP[IO].gpio_bit))
-#define WRITE_VAR(IO,V) WRITE(io,V)
+#define WRITE_VAR(IO,V) WRITE(IO,V)
#define _GET_MODE(IO) gpio_get_mode(PIN_MAP[IO].gpio_device, PIN_MAP[IO].gpio_bit)
#define _SET_MODE(IO,M) gpio_set_mode(PIN_MAP[IO].gpio_device, PIN_MAP[IO].gpio_bit, M)
diff --git a/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h b/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
index 2b75668f9a81c20789f78d27b84a5b7ecf6c541c..27071acadde27157a4bab4107a796b349d9aee28 100644
--- a/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
+++ b/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
@@ -31,26 +31,27 @@
#define _BV(b) (1 << (b))
-#define READ(IO) digitalRead(IO)
-#define WRITE(IO, v) digitalWrite(IO,v)
-#define TOGGLE(IO) do{ _SET_OUTPUT(IO); digitalWrite(IO,!digitalRead(IO)); }while(0)
-#define WRITE_VAR(IO, v) digitalWrite(IO,v)
+#define READ(IO) digitalRead(IO)
+#define WRITE(IO,V) digitalWrite(IO,V)
+#define WRITE_VAR(IO,V) WRITE(IO,V)
#define _GET_MODE(IO)
-#define _SET_MODE(IO,M) pinMode(IO, M)
-#define _SET_OUTPUT(IO) pinMode(IO, OUTPUT) /*!< Output Push Pull Mode & GPIO_NOPULL */
+#define _SET_MODE(IO,M) pinMode(IO, M)
+#define _SET_OUTPUT(IO) pinMode(IO, OUTPUT) /*!< Output Push Pull Mode & GPIO_NOPULL */
-#define SET_INPUT(IO) _SET_MODE(IO, INPUT) /*!< Input Floating Mode */
-#define SET_INPUT_PULLUP(IO) _SET_MODE(IO, INPUT_PULLUP) /*!< Input with Pull-up activation */
-#define SET_INPUT_PULLDOW(IO) _SET_MODE(IO, INPUT_PULLDOWN) /*!< Input with Pull-down activation */
-#define SET_OUTPUT(IO) do{ _SET_OUTPUT(IO); WRITE(IO, LOW); }while(0)
+#define OUT_WRITE(IO,V) do{ _SET_OUTPUT(IO); WRITE(IO,V); }while(0)
+
+#define SET_INPUT(IO) _SET_MODE(IO, INPUT) /*!< Input Floating Mode */
+#define SET_INPUT_PULLUP(IO) _SET_MODE(IO, INPUT_PULLUP) /*!< Input with Pull-up activation */
+#define SET_INPUT_PULLDOWN(IO) _SET_MODE(IO, INPUT_PULLDOWN) /*!< Input with Pull-down activation */
+#define SET_OUTPUT(IO) OUT_WRITE(IO, LOW)
+
+#define TOGGLE(IO) OUT_WRITE(IO, !READ(IO))
#define GET_INPUT(IO)
#define GET_OUTPUT(IO)
#define GET_TIMER(IO)
-#define OUT_WRITE(IO, v) { _SET_OUTPUT(IO); WRITE(IO, v); }
-
#define PORTA 0
#define PORTB 1
#define PORTC 2
diff --git a/Marlin/src/HAL/HAL_STM32F7/fastio_STM32F7.h b/Marlin/src/HAL/HAL_STM32F7/fastio_STM32F7.h
index 9c07cf99186735cdca3fae1af87eba16afce8c18..2d82530b894a52da77716bc53688047952a3b118 100644
--- a/Marlin/src/HAL/HAL_STM32F7/fastio_STM32F7.h
+++ b/Marlin/src/HAL/HAL_STM32F7/fastio_STM32F7.h
@@ -31,26 +31,27 @@
#define _BV(b) (1 << (b))
-#define READ(IO) digitalRead(IO)
-#define WRITE(IO, v) digitalWrite(IO,v)
-#define TOGGLE(IO) do{ _SET_OUTPUT(IO); digitalWrite(IO,!digitalRead(IO)); }while(0)
-#define WRITE_VAR(IO, v) digitalWrite(IO,v)
+#define READ(IO) digitalRead(IO)
+#define WRITE(IO,V) digitalWrite(IO,V)
+#define WRITE_VAR(IO,V) WRITE(IO,V)
#define _GET_MODE(IO)
-#define _SET_MODE(IO,M) pinMode(IO, M)
-#define _SET_OUTPUT(IO) pinMode(IO, OUTPUT) /*!< Output Push Pull Mode & GPIO_NOPULL */
+#define _SET_MODE(IO,M) pinMode(IO, M)
+#define _SET_OUTPUT(IO) pinMode(IO, OUTPUT) /*!< Output Push Pull Mode & GPIO_NOPULL */
-#define SET_INPUT(IO) _SET_MODE(IO, INPUT) /*!< Input Floating Mode */
-#define SET_INPUT_PULLUP(IO) _SET_MODE(IO, INPUT_PULLUP) /*!< Input with Pull-up activation */
-#define SET_INPUT_PULLDOW(IO) _SET_MODE(IO, INPUT_PULLDOWN) /*!< Input with Pull-down activation */
-#define SET_OUTPUT(IO) do{ _SET_OUTPUT(IO); WRITE(IO, LOW); }while(0)
+#define OUT_WRITE(IO,V) do{ _SET_OUTPUT(IO); WRITE(IO,V); }while(0)
+
+#define SET_INPUT(IO) _SET_MODE(IO, INPUT) /*!< Input Floating Mode */
+#define SET_INPUT_PULLUP(IO) _SET_MODE(IO, INPUT_PULLUP) /*!< Input with Pull-up activation */
+#define SET_INPUT_PULLDOWN(IO) _SET_MODE(IO, INPUT_PULLDOWN) /*!< Input with Pull-down activation */
+#define SET_OUTPUT(IO) OUT_WRITE(IO, LOW)
+
+#define TOGGLE(IO) OUT_WRITE(IO, !READ(IO))
#define GET_INPUT(IO)
#define GET_OUTPUT(IO)
#define GET_TIMER(IO)
-#define OUT_WRITE(IO, v) { _SET_OUTPUT(IO); WRITE(IO, v); }
-
#define PORTA 0
#define PORTB 1
#define PORTC 2
diff --git a/Marlin/src/core/macros.h b/Marlin/src/core/macros.h
index 28cbbb18ae8472342ae2292b7ec49c1008e8b5f0..d5dee514b641fe9aa27445aab767a0153d6667e3 100644
--- a/Marlin/src/core/macros.h
+++ b/Marlin/src/core/macros.h
@@ -99,7 +99,7 @@
// Macros for bit masks
#undef _BV
-#define _BV(b) (1<<(b))
+#define _BV(b) (1 << (b))
#define TEST(n,b) !!((n)&_BV(b))
#define SBI(n,b) (n |= _BV(b))
#define CBI(n,b) (n &= ~_BV(b))