ErrorStatus LL_GPIO_Init(GPIO_TypeDef *GPIOx, LL_GPIO_InitTypeDef *GPIO_InitStruct)
{
  uint32_t pinmask;
  uint32_t pinpos;
  uint32_t currentpin;

  /* Check the parameters */
  assert_param(IS_GPIO_ALL_INSTANCE(GPIOx));
  assert_param(IS_LL_GPIO_PIN(GPIO_InitStruct->Pin));

  /* ------------------------- Configure the port pins ---------------- */
  /* Initialize  pinpos on first pin set */

  pinmask = ((GPIO_InitStruct->Pin) << GPIO_PIN_MASK_POS) >> GPIO_PIN_NB;
  pinpos = POSITION_VAL(pinmask);

  /* Configure the port pins */
  while ((pinmask  >> pinpos) != 0u)
  {
    /* skip if bit is not set */
    if ((pinmask & (1u << pinpos)) != 0u)
    {
      /* Get current io position */
      if (pinpos < GPIO_PIN_MASK_POS)
      {
        currentpin = (0x00000101uL << pinpos);
      }
      else
      {
        currentpin = ((0x00010001u << (pinpos - GPIO_PIN_MASK_POS)) | 0x04000000u);
      }

      /* Check Pin Mode and Pin Pull parameters */
      assert_param(IS_LL_GPIO_MODE(GPIO_InitStruct->Mode));
      assert_param(IS_LL_GPIO_PULL(GPIO_InitStruct->Pull));

      if ((GPIO_InitStruct->Mode == LL_GPIO_MODE_OUTPUT) || (GPIO_InitStruct->Mode == LL_GPIO_MODE_ALTERNATE))
      {
        /* Check speed and Output mode parameters */
        assert_param(IS_LL_GPIO_SPEED(GPIO_InitStruct->Speed));
        assert_param(IS_LL_GPIO_OUTPUT_TYPE(GPIO_InitStruct->OutputType));

        /* Speed mode configuration */
        LL_GPIO_SetPinSpeed(GPIOx, currentpin, GPIO_InitStruct->Speed);

        /* Output mode configuration*/
        LL_GPIO_SetPinOutputType(GPIOx, currentpin, GPIO_InitStruct->OutputType);
      }

      /* Pull-up Pull-down resistor configuration*/
      LL_GPIO_SetPinPull(GPIOx, currentpin, GPIO_InitStruct->Pull);

      /* Pin Mode configuration */
      LL_GPIO_SetPinMode(GPIOx, currentpin, GPIO_InitStruct->Mode);
    }
    pinpos++;
  }
  return (SUCCESS);
}