aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-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 74ac09035..48eaf8875 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
16| `writePinLow(pin)` | Set pin level as low, assuming it is an output | `PORTB &= ~(1<<2)` | `palClearLine(pin)` | 16| `writePinLow(pin)` | Set pin level as low, assuming it is an output | `PORTB &= ~(1<<2)` | `palClearLine(pin)` |
17| `writePin(pin, level)` | Set pin level, assuming it is an output | `(level) ? PORTB \|= (1<<2) : PORTB &= ~(1<<2)` | `(level) ? palSetLine(pin) : palClearLine(pin)` | 17| `writePin(pin, level)` | Set pin level, assuming it is an output | `(level) ? PORTB \|= (1<<2) : PORTB &= ~(1<<2)` | `(level) ? palSetLine(pin) : palClearLine(pin)` |
18| `readPin(pin)` | Returns the level of the pin | `_SFR_IO8(pin >> 4) & _BV(pin & 0xF)` | `palReadLine(pin)` | 18| `readPin(pin)` | Returns the level of the pin | `_SFR_IO8(pin >> 4) & _BV(pin & 0xF)` | `palReadLine(pin)` |
19| `togglePin(pin)` | Invert pin level, assuming it is an output | `PORTB ^= (1<<2)` | `palToggleLine(pin)` |
19 20
20## Advanced Settings :id=advanced-settings 21## Advanced Settings :id=advanced-settings
21 22
diff --git a/quantum/quantum.h b/quantum/quantum.h
index 45f44f49a..72b0a1021 100644
--- a/quantum/quantum.h
+++ b/quantum/quantum.h
@@ -197,6 +197,8 @@ typedef uint8_t pin_t;
197 197
198# define readPin(pin) ((bool)(PINx_ADDRESS(pin) & _BV((pin)&0xF))) 198# define readPin(pin) ((bool)(PINx_ADDRESS(pin) & _BV((pin)&0xF)))
199 199
200# define togglePin(pin) (PORTx_ADDRESS(pin) ^= _BV((pin)&0xF))
201
200#elif defined(PROTOCOL_CHIBIOS) 202#elif defined(PROTOCOL_CHIBIOS)
201typedef ioline_t pin_t; 203typedef ioline_t pin_t;
202 204
@@ -210,6 +212,8 @@ typedef ioline_t pin_t;
210# define writePin(pin, level) ((level) ? writePinHigh(pin) : writePinLow(pin)) 212# define writePin(pin, level) ((level) ? writePinHigh(pin) : writePinLow(pin))
211 213
212# define readPin(pin) palReadLine(pin) 214# define readPin(pin) palReadLine(pin)
215
216# define togglePin(pin) palToggleLine(pin)
213#endif 217#endif
214 218
215#define SEND_STRING(string) send_string_P(PSTR(string)) 219#define SEND_STRING(string) send_string_P(PSTR(string))