C++ (Cpp) NVIC_IRQ_PRIORITYの例

コード例 #1

ファイル: stm32_irq.c プロジェクト: dagar/NuttX

int up_prioritize_irq(int irq, int priority)
{
  uint32_t regaddr;
  uint32_t regval;
  int shift;

  DEBUGASSERT(irq >= STM32_IRQ_MEMFAULT && irq < NR_IRQS &&
              (unsigned)priority <= NVIC_SYSH_PRIORITY_MIN);

  if (irq < STM32_IRQ_FIRST)
    {
      /* NVIC_SYSH_PRIORITY() maps {0..15} to one of three priority
       * registers (0-3 are invalid)
       */

      regaddr = NVIC_SYSH_PRIORITY(irq);
      irq    -= 4;
    }
  else
    {
      /* NVIC_IRQ_PRIORITY() maps {0..} to one of many priority registers */

      irq    -= STM32_IRQ_FIRST;
      regaddr = NVIC_IRQ_PRIORITY(irq);
    }

  regval      = getreg32(regaddr);
  shift       = ((irq & 3) << 3);
  regval     &= ~(0xff << shift);
  regval     |= (priority << shift);
  putreg32(regval, regaddr);

  stm32_dumpnvic("prioritize", irq);
  return OK;
}

コード例 #2

ファイル: stm32_irq.c プロジェクト: andrewms/nuttx_ap

int up_prioritize_irq(int irq, int priority)
{
  uint32_t regaddr;
  uint32_t regval;
  int shift;

  DEBUGASSERT(irq >= STM32_IRQ_MEMFAULT && irq < NR_IRQS && (unsigned)priority <= NVIC_SYSH_PRIORITY_MIN);

  if (irq < STM32_IRQ_INTERRUPTS)
    {
      irq    -= 4;
      regaddr = NVIC_SYSH_PRIORITY(irq);
    }
  else
    {
      irq    -= STM32_IRQ_INTERRUPTS;
      regaddr = NVIC_IRQ_PRIORITY(irq);
    }

  regval      = getreg32(regaddr);
  shift       = ((irq & 3) << 3);
  regval     &= ~(0xff << shift);
  regval     |= (priority << shift);
  putreg32(regval, regaddr);

  stm32_dumpnvic("prioritize", irq);
  return OK;
}

コード例 #3

ファイル: efm32_irq.c プロジェクト: FreddieChopin/NuttX

int up_prioritize_irq(int irq, int priority)
{
  uint32_t regaddr;
  uint32_t regval;
  int shift;

  DEBUGASSERT(irq >= EFM32_IRQ_MEMFAULT && irq < NR_VECTORS &&
              (unsigned)priority <= NVIC_SYSH_PRIORITY_MIN);

  if (irq < EFM32_IRQ_INTERRUPTS)
    {
      /* NVIC_SYSH_PRIORITY() maps {0..15} to one of three priority
       * registers (0-3 are invalid)
       */

      regaddr = NVIC_SYSH_PRIORITY(irq);
      irq    -= 4;
    }
  else (irq < NR_VECTORS)
    {
      /* NVIC_IRQ_PRIORITY() maps {0..} to one of many priority registers */

      irq    -= EFM32_IRQ_INTERRUPTS;
      regaddr = NVIC_IRQ_PRIORITY(irq);
    }

コード例 #4

ファイル: stm32_irq.c プロジェクト: CNCBASHER/Firmware

int up_prioritize_irq(int irq, int priority)
{
  uint32_t regaddr;
  uint32_t regval;
  int shift;

#ifdef CONFIG_ARMV7M_USEBASEPRI
  DEBUGASSERT(irq >= STM32_IRQ_MEMFAULT && irq < NR_IRQS &&
              priority >= NVIC_SYSH_DISABLE_PRIORITY &&
              priority <= NVIC_SYSH_PRIORITY_MIN);
#else
  DEBUGASSERT(irq >= STM32_IRQ_MEMFAULT && irq < NR_IRQS &&
              (unsigned)priority <= NVIC_SYSH_PRIORITY_MIN);
#endif

  if (irq < STM32_IRQ_INTERRUPTS)
    {
      /* NVIC_SYSH_PRIORITY() maps {0..15} to one of three priority
       * registers (0-3 are invalid)
       */

      regaddr = NVIC_SYSH_PRIORITY(irq);
      irq    -= 4;
    }
  else
    {
      /* NVIC_IRQ_PRIORITY() maps {0..} to one of many priority registers */

      irq    -= STM32_IRQ_INTERRUPTS;
      regaddr = NVIC_IRQ_PRIORITY(irq);
    }

  regval      = getreg32(regaddr);
  shift       = ((irq & 3) << 3);
  regval     &= ~(0xff << shift);
  regval     |= (priority << shift);
  putreg32(regval, regaddr);

  stm32_dumpnvic("prioritize", irq);
  return OK;
}