HAL_StatusTypeDef HAL_PWREx_ConfigPVM()

in CMake-armcc/Drivers/STM32L4xx_HAL_Driver/Src/stm32l4xx_hal_pwr_ex.c [968:1116]

• 105 lines of code
• 21 McCabe index (conditional complexity)

HAL_StatusTypeDef HAL_PWREx_ConfigPVM(PWR_PVMTypeDef *sConfigPVM)
{
  HAL_StatusTypeDef status = HAL_OK;

  /* Check the parameters */
  assert_param(IS_PWR_PVM_TYPE(sConfigPVM->PVMType));
  assert_param(IS_PWR_PVM_MODE(sConfigPVM->Mode));


  /* Configure EXTI 35 to 38 interrupts if so required:
     scan thru PVMType to detect which PVMx is set and
     configure the corresponding EXTI line accordingly. */
  switch (sConfigPVM->PVMType)
  {
#if defined(PWR_CR2_PVME1)
    case PWR_PVM_1:
      /* Clear any previous config. Keep it clear if no event or IT mode is selected */
      __HAL_PWR_PVM1_EXTI_DISABLE_EVENT();
      __HAL_PWR_PVM1_EXTI_DISABLE_IT();
      __HAL_PWR_PVM1_EXTI_DISABLE_FALLING_EDGE();
      __HAL_PWR_PVM1_EXTI_DISABLE_RISING_EDGE();

      /* Configure interrupt mode */
      if((sConfigPVM->Mode & PVM_MODE_IT) == PVM_MODE_IT)
      {
        __HAL_PWR_PVM1_EXTI_ENABLE_IT();
      }

      /* Configure event mode */
      if((sConfigPVM->Mode & PVM_MODE_EVT) == PVM_MODE_EVT)
      {
        __HAL_PWR_PVM1_EXTI_ENABLE_EVENT();
      }

      /* Configure the edge */
      if((sConfigPVM->Mode & PVM_RISING_EDGE) == PVM_RISING_EDGE)
      {
        __HAL_PWR_PVM1_EXTI_ENABLE_RISING_EDGE();
      }

      if((sConfigPVM->Mode & PVM_FALLING_EDGE) == PVM_FALLING_EDGE)
      {
        __HAL_PWR_PVM1_EXTI_ENABLE_FALLING_EDGE();
      }
      break;
#endif /* PWR_CR2_PVME1 */

#if defined(PWR_CR2_PVME2)
    case PWR_PVM_2:
      /* Clear any previous config. Keep it clear if no event or IT mode is selected */
      __HAL_PWR_PVM2_EXTI_DISABLE_EVENT();
      __HAL_PWR_PVM2_EXTI_DISABLE_IT();
      __HAL_PWR_PVM2_EXTI_DISABLE_FALLING_EDGE();
      __HAL_PWR_PVM2_EXTI_DISABLE_RISING_EDGE();

      /* Configure interrupt mode */
      if((sConfigPVM->Mode & PVM_MODE_IT) == PVM_MODE_IT)
      {
        __HAL_PWR_PVM2_EXTI_ENABLE_IT();
      }

      /* Configure event mode */
      if((sConfigPVM->Mode & PVM_MODE_EVT) == PVM_MODE_EVT)
      {
        __HAL_PWR_PVM2_EXTI_ENABLE_EVENT();
      }

      /* Configure the edge */
      if((sConfigPVM->Mode & PVM_RISING_EDGE) == PVM_RISING_EDGE)
      {
        __HAL_PWR_PVM2_EXTI_ENABLE_RISING_EDGE();
      }

      if((sConfigPVM->Mode & PVM_FALLING_EDGE) == PVM_FALLING_EDGE)
      {
        __HAL_PWR_PVM2_EXTI_ENABLE_FALLING_EDGE();
      }
      break;
#endif /* PWR_CR2_PVME2 */

    case PWR_PVM_3:
      /* Clear any previous config. Keep it clear if no event or IT mode is selected */
      __HAL_PWR_PVM3_EXTI_DISABLE_EVENT();
      __HAL_PWR_PVM3_EXTI_DISABLE_IT();
      __HAL_PWR_PVM3_EXTI_DISABLE_FALLING_EDGE();
      __HAL_PWR_PVM3_EXTI_DISABLE_RISING_EDGE();

      /* Configure interrupt mode */
      if((sConfigPVM->Mode & PVM_MODE_IT) == PVM_MODE_IT)
      {
        __HAL_PWR_PVM3_EXTI_ENABLE_IT();
      }

      /* Configure event mode */
      if((sConfigPVM->Mode & PVM_MODE_EVT) == PVM_MODE_EVT)
      {
        __HAL_PWR_PVM3_EXTI_ENABLE_EVENT();
      }

      /* Configure the edge */
      if((sConfigPVM->Mode & PVM_RISING_EDGE) == PVM_RISING_EDGE)
      {
        __HAL_PWR_PVM3_EXTI_ENABLE_RISING_EDGE();
      }

      if((sConfigPVM->Mode & PVM_FALLING_EDGE) == PVM_FALLING_EDGE)
      {
        __HAL_PWR_PVM3_EXTI_ENABLE_FALLING_EDGE();
      }
      break;

    case PWR_PVM_4:
      /* Clear any previous config. Keep it clear if no event or IT mode is selected */
      __HAL_PWR_PVM4_EXTI_DISABLE_EVENT();
      __HAL_PWR_PVM4_EXTI_DISABLE_IT();
      __HAL_PWR_PVM4_EXTI_DISABLE_FALLING_EDGE();
      __HAL_PWR_PVM4_EXTI_DISABLE_RISING_EDGE();

      /* Configure interrupt mode */
      if((sConfigPVM->Mode & PVM_MODE_IT) == PVM_MODE_IT)
      {
        __HAL_PWR_PVM4_EXTI_ENABLE_IT();
      }

      /* Configure event mode */
      if((sConfigPVM->Mode & PVM_MODE_EVT) == PVM_MODE_EVT)
      {
        __HAL_PWR_PVM4_EXTI_ENABLE_EVENT();
      }

      /* Configure the edge */
      if((sConfigPVM->Mode & PVM_RISING_EDGE) == PVM_RISING_EDGE)
      {
        __HAL_PWR_PVM4_EXTI_ENABLE_RISING_EDGE();
      }

      if((sConfigPVM->Mode & PVM_FALLING_EDGE) == PVM_FALLING_EDGE)
      {
        __HAL_PWR_PVM4_EXTI_ENABLE_FALLING_EDGE();
      }
      break;

    default:
      status = HAL_ERROR;
      break;
  }

  return status;
}