diff options
Diffstat (limited to 'platforms')
| -rw-r--r-- | platforms/arm_atsam/gpio.h | 12 | ||||
| -rw-r--r-- | platforms/avr/gpio.h | 17 | ||||
| -rw-r--r-- | platforms/chibios/gpio.h | 24 |
3 files changed, 17 insertions, 36 deletions
diff --git a/platforms/arm_atsam/gpio.h b/platforms/arm_atsam/gpio.h index 915ed0ef4f..a42aaff54d 100644 --- a/platforms/arm_atsam/gpio.h +++ b/platforms/arm_atsam/gpio.h @@ -22,9 +22,9 @@ typedef uint8_t pin_t; -#define SAMD_PORT(pin) ((pin & 0x20) >> 5) -#define SAMD_PIN(pin) (pin & 0x1f) -#define SAMD_PIN_MASK(pin) (1 << (pin & 0x1f)) +#define SAMD_PORT(pin) (((pin)&0x20) >> 5) +#define SAMD_PIN(pin) ((pin)&0x1f) +#define SAMD_PIN_MASK(pin) (1 << ((pin)&0x1f)) #define setPinInput(pin) \ do { \ @@ -48,12 +48,16 @@ typedef uint8_t pin_t; PORT->Group[SAMD_PORT(pin)].PINCFG[SAMD_PIN(pin)].bit.PULLEN = 1; \ } while (0) -#define setPinOutput(pin) \ +#define setPinOutputPushPull(pin) \ do { \ PORT->Group[SAMD_PORT(pin)].DIRSET.reg = SAMD_PIN_MASK(pin); \ PORT->Group[SAMD_PORT(pin)].OUTCLR.reg = SAMD_PIN_MASK(pin); \ } while (0) +#define setPinOutputOpenDrain(pin) _Static_assert(0, "arm_atsam platform does not implement an open-drain output") + +#define setPinOutput(pin) setPinOutputPushPull(pin) + #define writePinHigh(pin) \ do { \ PORT->Group[SAMD_PORT(pin)].OUTSET.reg = SAMD_PIN_MASK(pin); \ 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)) diff --git a/platforms/chibios/gpio.h b/platforms/chibios/gpio.h index 4d057f1cab..eb44a18f9c 100644 --- a/platforms/chibios/gpio.h +++ b/platforms/chibios/gpio.h @@ -22,10 +22,12 @@ typedef ioline_t pin_t; /* Operation of GPIO by pin. */ -#define setPinInput(pin) palSetLineMode(pin, PAL_MODE_INPUT) -#define setPinInputHigh(pin) palSetLineMode(pin, PAL_MODE_INPUT_PULLUP) -#define setPinInputLow(pin) palSetLineMode(pin, PAL_MODE_INPUT_PULLDOWN) -#define setPinOutput(pin) palSetLineMode(pin, PAL_MODE_OUTPUT_PUSHPULL) +#define setPinInput(pin) palSetLineMode((pin), PAL_MODE_INPUT) +#define setPinInputHigh(pin) palSetLineMode((pin), PAL_MODE_INPUT_PULLUP) +#define setPinInputLow(pin) palSetLineMode((pin), PAL_MODE_INPUT_PULLDOWN) +#define setPinOutputPushPull(pin) palSetLineMode((pin), PAL_MODE_OUTPUT_PUSHPULL) +#define setPinOutputOpenDrain(pin) palSetLineMode((pin), PAL_MODE_OUTPUT_OPENDRAIN) +#define setPinOutput(pin) setPinOutputPushPull(pin) #define writePinHigh(pin) palSetLine(pin) #define writePinLow(pin) palClearLine(pin) @@ -34,17 +36,3 @@ typedef ioline_t pin_t; #define readPin(pin) palReadLine(pin) #define togglePin(pin) palToggleLine(pin) - -/* Operation of GPIO by port. */ - -typedef uint16_t port_data_t; - -#define readPort(pin) palReadPort(PAL_PORT(pin)) - -#define setPortBitInput(pin, bit) palSetPadMode(PAL_PORT(pin), bit, PAL_MODE_INPUT) -#define setPortBitInputHigh(pin, bit) palSetPadMode(PAL_PORT(pin), bit, PAL_MODE_INPUT_PULLUP) -#define setPortBitInputLow(pin, bit) palSetPadMode(PAL_PORT(pin), bit, PAL_MODE_INPUT_PULLDOWN) -#define setPortBitOutput(pin, bit) palSetPadMode(PAL_PORT(pin), bit, PAL_MODE_OUTPUT_PUSHPULL) - -#define writePortBitLow(pin, bit) palClearLine(PAL_LINE(PAL_PORT(pin), bit)) -#define writePortBitHigh(pin, bit) palSetLine(PAL_LINE(PAL_PORT(pin), bit)) |