diff --git a/Marlin/src/HAL/HAL_AVR/fastio_AVR.h b/Marlin/src/HAL/HAL_AVR/fastio_AVR.h
index 14684d34d..a843f1ae7 100644
--- a/Marlin/src/HAL/HAL_AVR/fastio_AVR.h
+++ b/Marlin/src/HAL/HAL_AVR/fastio_AVR.h
@@ -81,9 +81,9 @@
 #define _SET_INPUT(IO)        CBI(DIO ## IO ## _DDR, DIO ## IO ## _PIN)
 #define _SET_OUTPUT(IO)       SBI(DIO ## IO ## _DDR, DIO ## IO ## _PIN)
 
-#define _GET_INPUT(IO)       !TEST(DIO ## IO ## _DDR, DIO ## IO ## _PIN)
-#define _GET_OUTPUT(IO)       TEST(DIO ## IO ## _DDR, DIO ## IO ## _PIN)
-#define _GET_TIMER(IO)        DIO ## IO ## _PWM
+#define _IS_INPUT(IO)        !TEST(DIO ## IO ## _DDR, DIO ## IO ## _PIN)
+#define _IS_OUTPUT(IO)        TEST(DIO ## IO ## _DDR, DIO ## IO ## _PIN)
+#define _HAS_TIMER(IO)        DIO ## IO ## _PWM
 
 // digitalRead/Write wrappers
 #ifdef FASTIO_EXT_START
@@ -104,9 +104,9 @@
 
 #define SET_PWM(IO)           SET_OUTPUT(IO)
 
-#define GET_INPUT(IO)         _GET_INPUT(IO)
-#define GET_OUTPUT(IO)        _GET_OUTPUT(IO)
-#define GET_TIMER(IO)         _GET_TIMER(IO)
+#define IS_INPUT(IO)          _IS_INPUT(IO)
+#define IS_OUTPUT(IO)         _IS_OUTPUT(IO)
+#define HAS_TIMER(IO)         _HAS_TIMER(IO)
 
 #define OUT_WRITE(IO,V)       do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
 
diff --git a/Marlin/src/HAL/HAL_DUE/fastio_Due.h b/Marlin/src/HAL/HAL_DUE/fastio_Due.h
index 4c23a5816..542469f65 100644
--- a/Marlin/src/HAL/HAL_DUE/fastio_Due.h
+++ b/Marlin/src/HAL/HAL_DUE/fastio_Due.h
@@ -177,11 +177,11 @@
 #define SET_PWM(IO)           SET_OUTPUT(IO)
 
 // Check if pin is an input
-#define GET_INPUT(IO)        ((digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO)) == 0)
+#define IS_INPUT(IO)         ((digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO)) == 0)
 // Check if pin is an output
-#define GET_OUTPUT(IO)       ((digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO)) != 0)
+#define IS_OUTPUT(IO)        ((digitalPinToPort(IO)->PIO_OSR & digitalPinToBitMask(IO)) != 0)
 // Check if pin is a timer - Must be a constexpr
-#define GET_TIMER(IO)         ((IO) >= 2 && (IO) <= 13)
+#define HAS_TIMER(IO)         ((IO) >= 2 && (IO) <= 13)
 
 // Shorthand
 #define OUT_WRITE(IO,V)       { SET_OUTPUT(IO); WRITE(IO,V); }
diff --git a/Marlin/src/HAL/HAL_LINUX/fastio.h b/Marlin/src/HAL/HAL_LINUX/fastio.h
index 23b19c878..8eae771a4 100644
--- a/Marlin/src/HAL/HAL_LINUX/fastio.h
+++ b/Marlin/src/HAL/HAL_LINUX/fastio.h
@@ -75,19 +75,19 @@
 // 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 _IS_INPUT(IO)         (LPC1768_PIN_PIN(IO) >= 0)
 
 /// check if pin is an output
-#define _GET_OUTPUT(IO)       (LPC1768_PIN_PIN(IO) >= 0)
+#define _IS_OUTPUT(IO)        (LPC1768_PIN_PIN(IO) >= 0)
 
-// hg42: GET_TIMER is used only to check if it's a PWM pin
+// hg42: HAS_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 _HAS_TIMER(IO)        true  // could be LPC1768_PIN_PWM(IO), but there
 // hg42: could be this:
-// #define _GET_TIMER(IO)        LPC1768_PIN_PWM(IO)
+// #define _HAS_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
@@ -112,12 +112,12 @@
 #define SET_PWM(IO)           SET_OUTPUT(IO)
 
 /// check if pin is an input wrapper
-#define GET_INPUT(IO)        _GET_INPUT(IO)
+#define IS_INPUT(IO)         _IS_INPUT(IO)
 /// check if pin is an output wrapper
-#define GET_OUTPUT(IO)       _GET_OUTPUT(IO)
+#define IS_OUTPUT(IO)        _IS_OUTPUT(IO)
 
 /// check if pin is a timer (wrapper)
-#define GET_TIMER(IO)        _GET_TIMER(IO)
+#define HAS_TIMER(IO)        _HAS_TIMER(IO)
 
 // Shorthand
 #define OUT_WRITE(IO,V)       do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
diff --git a/Marlin/src/HAL/HAL_LPC1768/fastio.h b/Marlin/src/HAL/HAL_LPC1768/fastio.h
index 1145c8054..49f8ec13c 100644
--- a/Marlin/src/HAL/HAL_LPC1768/fastio.h
+++ b/Marlin/src/HAL/HAL_LPC1768/fastio.h
@@ -84,14 +84,14 @@
 #define _PULLDOWN(IO,V)       pinMode(IO, (V) ? INPUT_PULLDOWN : INPUT)
 
 /// check if pin is an input
-#define _GET_INPUT(IO)        (!gpio_get_dir(IO))
+#define _IS_INPUT(IO)         (!gpio_get_dir(IO))
 
 /// check if pin is an output
-#define _GET_OUTPUT(IO)       (gpio_get_dir(IO))
+#define _IS_OUTPUT(IO)        (gpio_get_dir(IO))
 
 /// check if pin is a timer
 /// all gpio pins are pwm capable, either interrupt or hardware pwm controlled
-#define _GET_TIMER(IO)        true
+#define _HAS_TIMER(IO)        true
 
 /// Read a pin wrapper
 #define READ(IO)              _READ(IO)
@@ -115,12 +115,12 @@
 #define SET_PWM(IO)           SET_OUTPUT(IO)
 
 /// check if pin is an input wrapper
-#define GET_INPUT(IO)         _GET_INPUT(IO)
+#define IS_INPUT(IO)          _IS_INPUT(IO)
 /// check if pin is an output wrapper
-#define GET_OUTPUT(IO)        _GET_OUTPUT(IO)
+#define IS_OUTPUT(IO)         _IS_OUTPUT(IO)
 
 /// check if pin is a timer (wrapper)
-#define GET_TIMER(IO)         _GET_TIMER(IO)
+#define HAS_TIMER(IO)         _HAS_TIMER(IO)
 
 // Shorthand
 #define OUT_WRITE(IO,V)       do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
diff --git a/Marlin/src/HAL/HAL_STM32/fastio_STM32.h b/Marlin/src/HAL/HAL_STM32/fastio_STM32.h
index 78a5cafa6..d575e9cf4 100644
--- a/Marlin/src/HAL/HAL_STM32/fastio_STM32.h
+++ b/Marlin/src/HAL/HAL_STM32/fastio_STM32.h
@@ -78,11 +78,11 @@ void FastIO_init(); // Must be called before using fast io macros
 #define SET_OUTPUT(IO)          OUT_WRITE(IO, LOW)
 #define SET_PWM(IO)             _SET_MODE(IO, PWM)
 
-#define GET_INPUT(IO)
-#define GET_OUTPUT(IO)
-#define GET_TIMER(IO)
+#define IS_INPUT(IO)
+#define IS_OUTPUT(IO)
+#define HAS_TIMER(IO)
 
-#define PWM_PIN(P)              digitalPinHasPWM(P)
+#define PWM_PIN(P)              HAS_TIMER(P)
 #define USEABLE_HARDWARE_PWM(P) PWM_PIN(P)
 
 // digitalRead/Write wrappers
diff --git a/Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h b/Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h
index 8ed4fc48e..3994b3268 100644
--- a/Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h
+++ b/Marlin/src/HAL/HAL_STM32F1/fastio_STM32F1.h
@@ -45,11 +45,11 @@
 #define SET_OUTPUT(IO)        OUT_WRITE(IO, LOW)
 #define SET_PWM(IO)           pinMode(IO, PWM)    // do{ gpio_set_mode(PIN_MAP[pin].gpio_device, PIN_MAP[pin].gpio_bit, GPIO_AF_OUTPUT_PP); timer_set_mode(PIN_MAP[pin].timer_device, PIN_MAP[pin].timer_channel, TIMER_PWM); }while(0)
 
-#define GET_INPUT(IO)         (_GET_MODE(IO) == GPIO_INPUT_FLOATING || _GET_MODE(IO) == GPIO_INPUT_ANALOG || _GET_MODE(IO) == GPIO_INPUT_PU || _GET_MODE(IO) == GPIO_INPUT_PD)
-#define GET_OUTPUT(IO)        (_GET_MODE(IO) == GPIO_OUTPUT_PP)
-#define GET_TIMER(IO)         (PIN_MAP[IO].timer_device != NULL)
+#define IS_INPUT(IO)          (_GET_MODE(IO) == GPIO_INPUT_FLOATING || _GET_MODE(IO) == GPIO_INPUT_ANALOG || _GET_MODE(IO) == GPIO_INPUT_PU || _GET_MODE(IO) == GPIO_INPUT_PD)
+#define IS_OUTPUT(IO)         (_GET_MODE(IO) == GPIO_OUTPUT_PP)
+#define HAS_TIMER(IO)         (PIN_MAP[IO].timer_device != NULL)
 
-#define PWM_PIN(P)              digitalPinHasPWM(P)
+#define PWM_PIN(P)              HAS_TIMER(P)
 #define USEABLE_HARDWARE_PWM(P) PWM_PIN(P)
 
 // digitalRead/Write wrappers
diff --git a/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h b/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
index 3923f5199..5ad6227e2 100644
--- a/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
+++ b/Marlin/src/HAL/HAL_STM32F4/fastio_STM32F4.h
@@ -48,9 +48,9 @@
 
 #define TOGGLE(IO)              OUT_WRITE(IO, !READ(IO))
 
-#define GET_INPUT(IO)
-#define GET_OUTPUT(IO)
-#define GET_TIMER(IO)
+#define IS_INPUT(IO)
+#define IS_OUTPUT(IO)
+#define HAS_TIMER(IO)
 
 #define PWM_PIN(P)              true
 #define USEABLE_HARDWARE_PWM(P) PWM_PIN(P)
diff --git a/Marlin/src/HAL/HAL_STM32F7/fastio_STM32F7.h b/Marlin/src/HAL/HAL_STM32F7/fastio_STM32F7.h
index 946c04e89..1a19e1c3f 100644
--- a/Marlin/src/HAL/HAL_STM32F7/fastio_STM32F7.h
+++ b/Marlin/src/HAL/HAL_STM32F7/fastio_STM32F7.h
@@ -47,9 +47,9 @@
 
 #define TOGGLE(IO)              OUT_WRITE(IO, !READ(IO))
 
-#define GET_INPUT(IO)
-#define GET_OUTPUT(IO)
-#define GET_TIMER(IO)
+#define IS_INPUT(IO)
+#define IS_OUTPUT(IO)
+#define HAS_TIMER(IO)
 
 #define PWM_PIN(P)              true
 #define USEABLE_HARDWARE_PWM(P) PWM_PIN(P)
diff --git a/Marlin/src/HAL/HAL_TEENSY31_32/fastio_Teensy.h b/Marlin/src/HAL/HAL_TEENSY31_32/fastio_Teensy.h
index bebb1d9f5..928cd758e 100644
--- a/Marlin/src/HAL/HAL_TEENSY31_32/fastio_Teensy.h
+++ b/Marlin/src/HAL/HAL_TEENSY31_32/fastio_Teensy.h
@@ -67,8 +67,8 @@
   GPIO_BITBAND(CORE_PIN ## P ## _DDRREG , CORE_PIN ## P ## _BIT) = 0; \
 }while(0)
 
-#define _GET_INPUT(P)   ((CORE_PIN ## P ## _DDRREG & CORE_PIN ## P ## _BITMASK) == 0)
-#define _GET_OUTPUT(P)  ((CORE_PIN ## P ## _DDRREG & CORE_PIN ## P ## _BITMASK) == 0)
+#define _IS_INPUT(P)    ((CORE_PIN ## P ## _DDRREG & CORE_PIN ## P ## _BITMASK) == 0)
+#define _IS_OUTPUT(P)   ((CORE_PIN ## P ## _DDRREG & CORE_PIN ## P ## _BITMASK) == 0)
 
 #define READ(IO)              _READ(IO)
 
@@ -81,8 +81,8 @@
 #define SET_OUTPUT(IO)        _SET_OUTPUT(IO)
 #define SET_PWM(IO)            SET_OUTPUT(IO)
 
-#define GET_INPUT(IO)         _GET_INPUT(IO)
-#define GET_OUTPUT(IO)        _GET_OUTPUT(IO)
+#define IS_INPUT(IO)          _IS_INPUT(IO)
+#define IS_OUTPUT(IO)         _IS_OUTPUT(IO)
 
 #define OUT_WRITE(IO,V)       do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
 
diff --git a/Marlin/src/HAL/HAL_TEENSY35_36/fastio_Teensy.h b/Marlin/src/HAL/HAL_TEENSY35_36/fastio_Teensy.h
index e3c3c3a83..b9ddd957c 100644
--- a/Marlin/src/HAL/HAL_TEENSY35_36/fastio_Teensy.h
+++ b/Marlin/src/HAL/HAL_TEENSY35_36/fastio_Teensy.h
@@ -66,8 +66,8 @@
   GPIO_BITBAND(CORE_PIN ## P ## _DDRREG , CORE_PIN ## P ## _BIT) = 0; \
 }while(0)
 
-#define _GET_INPUT(P)   ((CORE_PIN ## P ## _DDRREG & CORE_PIN ## P ## _BITMASK) == 0)
-#define _GET_OUTPUT(P)  ((CORE_PIN ## P ## _DDRREG & CORE_PIN ## P ## _BITMASK) == 0)
+#define _IS_INPUT(P)    ((CORE_PIN ## P ## _DDRREG & CORE_PIN ## P ## _BITMASK) == 0)
+#define _IS_OUTPUT(P)   ((CORE_PIN ## P ## _DDRREG & CORE_PIN ## P ## _BITMASK) == 0)
 
 #define READ(IO)              _READ(IO)
 
@@ -80,8 +80,8 @@
 #define SET_OUTPUT(IO)        _SET_OUTPUT(IO)
 #define SET_PWM(IO)            SET_OUTPUT(IO)
 
-#define GET_INPUT(IO)         _GET_INPUT(IO)
-#define GET_OUTPUT(IO)        _GET_OUTPUT(IO)
+#define IS_INPUT(IO)          _IS_INPUT(IO)
+#define IS_OUTPUT(IO)         _IS_OUTPUT(IO)
 
 #define OUT_WRITE(IO,V)       do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
 
diff --git a/Marlin/src/pins/pinsDebug.h b/Marlin/src/pins/pinsDebug.h
index cd963f87c..a8003fcd9 100644
--- a/Marlin/src/pins/pinsDebug.h
+++ b/Marlin/src/pins/pinsDebug.h
@@ -139,11 +139,11 @@ inline void report_pin_state_extended(pin_t pin, bool ignore, bool extended = fa
           #if AVR_AT90USB1286_FAMILY //Teensy IDEs don't know about these pins so must use FASTIO
             if (pin == 46 || pin == 47) {
               if (pin == 46) {
-                print_input_or_output(GET_OUTPUT(46));
+                print_input_or_output(IS_OUTPUT(46));
                 SERIAL_CHAR('0' + READ(46));
               }
               else if (pin == 47) {
-                print_input_or_output(GET_OUTPUT(47));
+                print_input_or_output(IS_OUTPUT(47));
                 SERIAL_CHAR('0' + READ(47));
               }
             }
@@ -195,11 +195,11 @@ inline void report_pin_state_extended(pin_t pin, bool ignore, bool extended = fa
         if (pin == 46 || pin == 47) {
           SERIAL_ECHO_SP(12);
           if (pin == 46) {
-            print_input_or_output(GET_OUTPUT(46));
+            print_input_or_output(IS_OUTPUT(46));
             SERIAL_CHAR('0' + READ(46));
           }
           else {
-            print_input_or_output(GET_OUTPUT(47));
+            print_input_or_output(IS_OUTPUT(47));
             SERIAL_CHAR('0' + READ(47));
           }
         }