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| author | Nick Brassel <nick@tzarc.org> | 2021-12-27 11:52:10 +1100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-12-27 11:52:10 +1100 |
| commit | 6e40dfa0220e68a6628d9e7d18788df6bcae5473 (patch) | |
| tree | 743f0ad2504bad030b846477690fe6ceb228f580 /platforms/avr/gpio.h | |
| parent | f491e6b138c690263487bb791a1277b86da3a2e4 (diff) | |
| download | qmk_firmware-6e40dfa0220e68a6628d9e7d18788df6bcae5473.tar.gz qmk_firmware-6e40dfa0220e68a6628d9e7d18788df6bcae5473.zip | |
Add open-drain GPIO support. (#15282)
* Add open-drain GPIO support.
* `qmk format-c`
* Wording.
* Remove port GPIO implementations as the only board that uses it has its own internal defs anyway. Will wait for first-class handling of ports in core before reimplementing.
Diffstat (limited to 'platforms/avr/gpio.h')
| -rw-r--r-- | platforms/avr/gpio.h | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/platforms/avr/gpio.h b/platforms/avr/gpio.h index e9be68491d..95f15c28dc 100644 --- a/platforms/avr/gpio.h +++ b/platforms/avr/gpio.h @@ -25,7 +25,9 @@ typedef uint8_t pin_t; #define setPinInput(pin) (DDRx_ADDRESS(pin) &= ~_BV((pin)&0xF), PORTx_ADDRESS(pin) &= ~_BV((pin)&0xF)) #define setPinInputHigh(pin) (DDRx_ADDRESS(pin) &= ~_BV((pin)&0xF), PORTx_ADDRESS(pin) |= _BV((pin)&0xF)) #define setPinInputLow(pin) _Static_assert(0, "AVR processors cannot implement an input as pull low") -#define setPinOutput(pin) (DDRx_ADDRESS(pin) |= _BV((pin)&0xF)) +#define setPinOutputPushPull(pin) (DDRx_ADDRESS(pin) |= _BV((pin)&0xF)) +#define setPinOutputOpenDrain(pin) _Static_assert(0, "AVR platform does not implement an open-drain output") +#define setPinOutput(pin) setPinOutputPushPull(pin) #define writePinHigh(pin) (PORTx_ADDRESS(pin) |= _BV((pin)&0xF)) #define writePinLow(pin) (PORTx_ADDRESS(pin) &= ~_BV((pin)&0xF)) @@ -34,16 +36,3 @@ typedef uint8_t pin_t; #define readPin(pin) ((bool)(PINx_ADDRESS(pin) & _BV((pin)&0xF))) #define togglePin(pin) (PORTx_ADDRESS(pin) ^= _BV((pin)&0xF)) - -/* Operation of GPIO by port. */ - -typedef uint8_t port_data_t; - -#define readPort(port) PINx_ADDRESS(port) - -#define setPortBitInput(port, bit) (DDRx_ADDRESS(port) &= ~_BV((bit)&0xF), PORTx_ADDRESS(port) &= ~_BV((bit)&0xF)) -#define setPortBitInputHigh(port, bit) (DDRx_ADDRESS(port) &= ~_BV((bit)&0xF), PORTx_ADDRESS(port) |= _BV((bit)&0xF)) -#define setPortBitOutput(port, bit) (DDRx_ADDRESS(port) |= _BV((bit)&0xF)) - -#define writePortBitLow(port, bit) (PORTx_ADDRESS(port) &= ~_BV((bit)&0xF)) -#define writePortBitHigh(port, bit) (PORTx_ADDRESS(port) |= _BV((bit)&0xF)) |