Gpio Class Reference

#include <Gpio.h>

Collaboration diagram for Gpio:

Static Public Member Functions
static bool	valid_pin (pin_type pin)
static void	set (pin_type pin)
static void	set (pin_type pin, uint16_t value)
static uint16_t	get (pin_type pin)
static void	clear (pin_type pin)
static void	setMode (pin_type pin, uint8_t value)
static uint8_t	getMode (pin_type pin)
static void	setDir (pin_type pin, uint8_t value)
static uint8_t	getDir (pin_type pin)
static void	attachPeripheral (pin_type pin, Peripheral *per)
static void	attachLogger (IOLogger *logger)

Static Public Attributes
static const pin_type	pin_count = 255
static pin_data	pin_map [pin_count+1]

Member Function Documentation

valid_pin()

static bool Gpio::valid_pin ( pin_type  pin )

static

                                      {
    return pin >= 0 && pin <= pin_count;
  }

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set() [1/2]

static void Gpio::set ( pin_type  pin )

static

                                {
    set(pin, 1);
  }

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set() [2/2]

static void Gpio::set ( pin_type  pin, uint16_t  value  )

static

                                                {
    if (!valid_pin(pin)) return;
    GpioEvent::Type evt_type = value > 1 ? GpioEvent::SET_VALUE : value > pin_map[pin].value ? GpioEvent::RISE : value < pin_map[pin].value ? GpioEvent::FALL : GpioEvent::NOP;
    pin_map[pin].value = value;
    GpioEvent evt(Clock::nanos(), pin, evt_type);
    if (pin_map[pin].cb != nullptr) {
      pin_map[pin].cb->interrupt(evt);
    }
    if (Gpio::logger != nullptr) Gpio::logger->log(evt);
  }

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get()

static uint16_t Gpio::get ( pin_type  pin )

static

                                    {
    if (!valid_pin(pin)) return 0;
    return pin_map[pin].value;
  }

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clear()

static void Gpio::clear ( pin_type  pin )

static

                                  {
    set(pin, 0);
  }

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setMode()

static void Gpio::setMode ( pin_type  pin, uint8_t  value  )

static

                                                   {
    if (!valid_pin(pin)) return;
    pin_map[pin].mode = value;
    GpioEvent evt(Clock::nanos(), pin, GpioEvent::Type::SETM);
    if (pin_map[pin].cb != nullptr) pin_map[pin].cb->interrupt(evt);
    if (Gpio::logger != nullptr) Gpio::logger->log(evt);
  }

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getMode()

static uint8_t Gpio::getMode ( pin_type  pin )

static

                                       {
    if (!valid_pin(pin)) return 0;
    return pin_map[pin].mode;
  }

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setDir()

static void Gpio::setDir ( pin_type  pin, uint8_t  value  )

static

                                                  {
    if (!valid_pin(pin)) return;
    pin_map[pin].dir = value;
    GpioEvent evt(Clock::nanos(), pin, GpioEvent::Type::SETD);
    if (pin_map[pin].cb != nullptr) pin_map[pin].cb->interrupt(evt);
    if (Gpio::logger != nullptr) Gpio::logger->log(evt);
  }

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getDir()

static uint8_t Gpio::getDir ( pin_type  pin )

static

                                      {
    if (!valid_pin(pin)) return 0;
    return pin_map[pin].dir;
  }

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attachPeripheral()

static void Gpio::attachPeripheral ( pin_type  pin, Peripheral *  per  )

static

                                                              {
    if (!valid_pin(pin)) return;
    pin_map[pin].cb = per;
  }

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attachLogger()

static void Gpio::attachLogger ( IOLogger *  logger )

static

                                             {
    Gpio::logger = logger;
  }

Member Data Documentation

pin_count

const pin_type Gpio::pin_count = 255

static

pin_map

pin_data Gpio::pin_map[pin_count+1]

static