diff options
Diffstat (limited to 'quantum')
| -rw-r--r-- | quantum/keymap_extras/keymap_nordic.h | 2 | ||||
| -rw-r--r-- | quantum/pincontrol.h | 37 |
2 files changed, 38 insertions, 1 deletions
diff --git a/quantum/keymap_extras/keymap_nordic.h b/quantum/keymap_extras/keymap_nordic.h index da5c82975..9b0ef35ca 100644 --- a/quantum/keymap_extras/keymap_nordic.h +++ b/quantum/keymap_extras/keymap_nordic.h @@ -13,7 +13,7 @@ #define NO_ACUT KC_EQL #define NO_AM KC_LBRC -#define NO_QUOT KC_RBRC +#define NO_QUOT KC_RBRC // this is the "umlaut" char on Nordic keyboards, Apple layout #define NO_AE KC_SCLN #define NO_OSLH KC_QUOT #define NO_APOS KC_NUHS diff --git a/quantum/pincontrol.h b/quantum/pincontrol.h new file mode 100644 index 000000000..36ce29ef2 --- /dev/null +++ b/quantum/pincontrol.h @@ -0,0 +1,37 @@ +#pragma once +// Some helpers for controlling gpio pins +#include <avr/io.h> + +enum { + PinDirectionInput = 0, + PinDirectionOutput = 1, + PinLevelHigh = 1, + PinLevelLow = 0, +}; + +// ex: pinMode(B0, PinDirectionOutput); +static inline void pinMode(uint8_t pin, int mode) { + uint8_t bv = _BV(pin & 0xf); + if (mode == PinDirectionOutput) { + _SFR_IO8((pin >> 4) + 1) |= bv; + } else { + _SFR_IO8((pin >> 4) + 1) &= ~bv; + _SFR_IO8((pin >> 4) + 2) &= ~bv; + } +} + +// ex: digitalWrite(B0, PinLevelHigh); +static inline void digitalWrite(uint8_t pin, int mode) { + uint8_t bv = _BV(pin & 0xf); + if (mode == PinLevelHigh) { + _SFR_IO8((pin >> 4) + 2) |= bv; + } else { + _SFR_IO8((pin >> 4) + 2) &= ~bv; + } +} + +// Return true if the pin is HIGH +// digitalRead(B0) +static inline bool digitalRead(uint8_t pin) { + return _SFR_IO8(pin >> 4) & _BV(pin & 0xf); +} |