Esempi in C++ (Cpp) per GPIOINT

Esempio n. 1

File: lpc17_gpioint.c Progetto: nsrango/Firmware

static void lpc17_setintedge(uint32_t intbase, unsigned int pin, unsigned int edges)
{
  int regval;

  /* Set/clear the rising edge enable bit */

  regval = getreg32(intbase + LPC17_GPIOINT_INTENR_OFFSET);
  if ((edges & 2) != 0)
    {
      regval |= GPIOINT(pin);
    }
  else
    {
      regval &= ~GPIOINT(pin);
    }
  putreg32(regval, intbase + LPC17_GPIOINT_INTENR_OFFSET);

  /* Set/clear the rising edge enable bit */

  regval = getreg32(intbase + LPC17_GPIOINT_INTENF_OFFSET);
  if ((edges & 1) != 0)
    {
      regval |= GPIOINT(pin);
    }
  else
    {
      regval &= ~GPIOINT(pin);
    }
  putreg32(regval, intbase + LPC17_GPIOINT_INTENF_OFFSET);
}

Esempio n. 2

File: lpc17_gpioint.c Progetto: CompagnieDesLampadaires/terrarium_2015

static void lpc17_setintedge(uint32_t intbase, unsigned int pin,
                             unsigned int edges)
{
  irqstate_t flags;
  int regval;

  /* These must be atomic */

  flags = irqsave();

  /* Set/clear the rising edge enable bit */

  regval = getreg32(intbase + LPC17_GPIOINT_INTENR_OFFSET);
  if ((edges & 2) != 0)
    {
      regval |= GPIOINT(pin);
    }
  else
    {
      regval &= ~GPIOINT(pin);
    }

  putreg32(regval, intbase + LPC17_GPIOINT_INTENR_OFFSET);

  /* Set/clear the falling edge enable bit */

  regval = getreg32(intbase + LPC17_GPIOINT_INTENF_OFFSET);
  if ((edges & 1) != 0)
    {
      regval |= GPIOINT(pin);
    }
  else
    {
      regval &= ~GPIOINT(pin);
    }

  putreg32(regval, intbase + LPC17_GPIOINT_INTENF_OFFSET);
  irqrestore(flags);
}