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AVR GPIO macro defines more readable (#5937)

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* A little easier to read the definition of the GPIO control macro for AVR.

No change in build result.

* Changed to not use GNU statement expression extension.

No change in build result.

* Modified split_common/serial.c to use qmk_firmware standard GPIO control macro.

No change in build result.

* fix PE6 -> E6

* remove some space

* add some comment to config_common.h

* Changed split_common/serial.c to use a newer version of qmk_firmware standard GPIO control macro.
This commit is contained in:
Takeshi ISHII 2019-08-22 09:10:47 +09:00 • committed by Drashna Jaelre
parent b62e160a89
commit 1c5b0cbbeb
3 changed files with 30 additions and 26 deletions
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15
quantum/quantum.h
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@ -149,18 +149,17 @@ extern layer_state_t default_layer_state;
#if defined(__AVR__)
typedef uint8_t pin_t;
#define PIN_ADDRESS(p, offset) (_SFR_IO8(ADDRESS_BASE + ((p) >> PORT_SHIFTER) + (offset)))
#define setPinInput(pin) (PIN_ADDRESS(pin, 1) &= ~_BV((pin) & 0xF))
#define setPinInputHigh(pin) (PIN_ADDRESS(pin, 1) &= ~_BV((pin) & 0xF), \
PIN_ADDRESS(pin, 2) |= _BV((pin) & 0xF))
#define setPinInput(pin) (DDRx_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) (PIN_ADDRESS(pin, 1) |= _BV((pin) & 0xF))
#define setPinOutput(pin) (DDRx_ADDRESS(pin) |= _BV((pin) & 0xF))
#define writePinHigh(pin) (PIN_ADDRESS(pin, 2) |= _BV((pin) & 0xF))
#define writePinLow(pin) (PIN_ADDRESS(pin, 2) &= ~_BV((pin) & 0xF))
#define writePinHigh(pin) (PORTx_ADDRESS(pin) |= _BV((pin) & 0xF))
#define writePinLow(pin) (PORTx_ADDRESS(pin) &= ~_BV((pin) & 0xF))
#define writePin(pin, level) ((level) ? writePinHigh(pin) : writePinLow(pin))
#define readPin(pin) ((bool)(PIN_ADDRESS(pin, 0) & _BV((pin) & 0xF)))
#define readPin(pin) ((bool)(PINx_ADDRESS(pin) & _BV((pin) & 0xF)))
#elif defined(PROTOCOL_CHIBIOS)
typedef ioline_t pin_t;