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-rw-r--r--docs/internals_gpio_control.md1
-rw-r--r--quantum/quantum.h4
2 files changed, 5 insertions, 0 deletions
diff --git a/docs/internals_gpio_control.md b/docs/internals_gpio_control.md
index 74ac090355..48eaf8875b 100644
--- a/docs/internals_gpio_control.md
+++ b/docs/internals_gpio_control.md
@@ -16,6 +16,7 @@ The following functions can provide basic control of GPIOs and are found in `qua
| `writePinLow(pin)` | Set pin level as low, assuming it is an output | `PORTB &= ~(1<<2)` | `palClearLine(pin)` |
| `writePin(pin, level)` | Set pin level, assuming it is an output | `(level) ? PORTB \|= (1<<2) : PORTB &= ~(1<<2)` | `(level) ? palSetLine(pin) : palClearLine(pin)` |
| `readPin(pin)` | Returns the level of the pin | `_SFR_IO8(pin >> 4) & _BV(pin & 0xF)` | `palReadLine(pin)` |
+| `togglePin(pin)` | Invert pin level, assuming it is an output | `PORTB ^= (1<<2)` | `palToggleLine(pin)` |
## Advanced Settings :id=advanced-settings
diff --git a/quantum/quantum.h b/quantum/quantum.h
index 45f44f49a1..72b0a1021f 100644
--- a/quantum/quantum.h
+++ b/quantum/quantum.h
@@ -197,6 +197,8 @@ typedef uint8_t pin_t;
# define readPin(pin) ((bool)(PINx_ADDRESS(pin) & _BV((pin)&0xF)))
+# define togglePin(pin) (PORTx_ADDRESS(pin) ^= _BV((pin)&0xF))
+
#elif defined(PROTOCOL_CHIBIOS)
typedef ioline_t pin_t;
@@ -210,6 +212,8 @@ typedef ioline_t pin_t;
# define writePin(pin, level) ((level) ? writePinHigh(pin) : writePinLow(pin))
# define readPin(pin) palReadLine(pin)
+
+# define togglePin(pin) palToggleLine(pin)
#endif
#define SEND_STRING(string) send_string_P(PSTR(string))